/* DeepAgents Web - Modern CSS Styles */

:root {
    /* Color Palette - Light Theme (Default) */
    --primary: #2563eb;       /* Blue 600 */
    --primary-rgb: 37, 99, 235; /* Blue 600 RGB */
    --primary-dark: #1d4ed8;  /* Blue 700 */
    --primary-light: #3b82f6; /* Blue 500 */
    --secondary: #059669;     /* Emerald 600 */
    --accent: #d97706;        /* Amber 600 */
    --danger: #dc2626;        /* Red 600 */
    
    /* Eisenhower Matrix Colors */
    --quadrant-1: #ef4444;    /* Red 500 - Urgent & Important */
    --quadrant-2: #f59e0b;    /* Amber 500 - Not Urgent & Important */
    --quadrant-3: #3b82f6;    /* Blue 500 - Urgent & Unimportant */
    --quadrant-4: #10b981;    /* Emerald 500 - Not Urgent & Unimportant */
    
    --bg-dark: #ffffff;       /* White (Changed from Slate 50) */
    --bg-darker: #f8fafc;     /* Slate 50 */
    --bg-card: #ffffff;       /* White */
    --bg-card-hover: #f1f5f9; /* Slate 100 */
    --bg-input: #f8fafc;      /* Slate 50 */
    --bg-message-user: #eff6ff; /* Blue 50 */
    --bg-hover: rgba(0, 0, 0, 0.05); /* Generic hover */
    --bg-glass: rgba(255, 255, 255, 0.7);
    
    --text-primary: #1e293b;   /* Slate 800 */
    --text-secondary: #475569; /* Slate 600 */
    --text-muted: #94a3b8;     /* Slate 400 */
    
    --border-color: #e2e8f0;   /* Slate 200 */
    --border-light: #cbd5e1;   /* Slate 300 */
    
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08);
    
    /* Spacing */
    --sidebar-width: clamp(240px, 20vw, 300px);
    --header-height: clamp(48px, 6vh, 64px);
    
    /* Transitions */
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);

    --mobile-input-space: 0px;
    --keyboard-inset: 0px;
    --vv-bottom-inset: 0px;
    --safe-area-top: constant(safe-area-inset-top);
    --safe-area-top: env(safe-area-inset-top);
    --safe-area-right: constant(safe-area-inset-right);
    --safe-area-right: env(safe-area-inset-right);
    --safe-area-bottom: constant(safe-area-inset-bottom);
    --safe-area-bottom: env(safe-area-inset-bottom);
    --safe-area-left: constant(safe-area-inset-left);
    --safe-area-left: env(safe-area-inset-left);

    --tool-panel-width: 450px;
}

/* Dark Theme - Cyberpunk Dark */
[data-theme="default"], [data-theme="dark"] {
    /* Deep, rich blacks with vibrant neon accents */
    --primary: #8b5cf6;       /* Violet 500 */
    --primary-rgb: 139, 92, 246; /* Violet 500 RGB */
    --primary-dark: #7c3aed;  /* Violet 600 */
    --primary-light: #a78bfa; /* Violet 400 */
    --secondary: #10b981;     /* Emerald 500 */
    --accent: #f59e0b;        /* Amber 500 */
    --danger: #ef4444;        /* Red 500 */
    
    --bg-dark: #050505;       /* Almost Black */
    --bg-darker: #000000;     /* Pure Black */
    --bg-card: #121212;       /* Dark Grey */
    --bg-card-hover: #1e1e1e; /* Lighter Grey */
    --bg-input: #121212;      /* Dark Grey */
    --bg-message-user: #2e1065; /* Violet 950 */
    --bg-hover: rgba(255, 255, 255, 0.05); /* Generic hover */
    --bg-glass: rgba(18, 18, 18, 0.7);
    
    --text-primary: #f4f4f5;   /* Zinc 100 */
    --text-secondary: #a1a1aa; /* Zinc 400 */
    --text-muted: #52525b;     /* Zinc 600 */
    
    --border-color: #27272a;   /* Zinc 800 */
    --border-light: #3f3f46;   /* Zinc 700 */
    
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.7);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.8);
}

/* Ocean Theme - Deep Blue */
[data-theme="ocean"] {
    --primary: #0ea5e9;       /* Sky 500 */
    --primary-rgb: 14, 165, 233; /* Sky 500 RGB */
    --primary-dark: #0284c7;  /* Sky 600 */
    --primary-light: #38bdf8; /* Sky 400 */
    --secondary: #06b6d4;     /* Cyan 500 */
    --accent: #f59e0b;        /* Amber 500 */
    --danger: #ef4444;        /* Red 500 */
    
    --bg-dark: #0f172a;       /* Slate 900 */
    --bg-darker: #020617;     /* Slate 950 */
    --bg-card: #1e293b;       /* Slate 800 */
    --bg-card-hover: #334155; /* Slate 700 */
    --bg-input: #1e293b;      /* Slate 800 */
    --bg-message-user: #075985; /* Sky 800 */
    --bg-hover: rgba(255, 255, 255, 0.05); /* Generic hover */
    --bg-glass: rgba(30, 41, 59, 0.7);
    
    --text-primary: #f0f9ff;   /* Sky 50 */
    --text-secondary: #cbd5e1; /* Slate 300 */
    --text-muted: #64748b;     /* Slate 500 */
    
    --border-color: #334155;   /* Slate 700 */
    --border-light: #475569;   /* Slate 600 */
    
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    height: 100dvh; /* Use dynamic viewport height for mobile */
    /* height: -webkit-fill-available; Removed to prevent white bar at bottom */
    margin: 0;
    padding: 0;
    overflow: hidden !important; /* Lock root scrolling */
    position: fixed; /* Lock body on iOS */
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-dark); /* Ensure background covers full screen */
    color: var(--text-primary);
    line-height: 1.6;
    font-size: clamp(14px, 1vw + 10px, 16px); /* Fluid font size */
    overscroll-behavior: none; /* Prevent bounce effects revealing background */
    -webkit-text-size-adjust: 100%; /* Prevent font scaling in landscape */
}

/* App Container */
.app-container {
    display: flex;
    position: absolute;
    top: var(--viewport-offset-top, 0px); /* Adjust top based on visual viewport */
    left: 0;
    right: 0;
    bottom: 0; /* Force bottom anchor */
    width: 100%;
    height: 100dvh; /* Force full dynamic height */
    height: var(--app-height, 100dvh); /* Allow JS override but default to dvh */
    overflow: hidden;
    padding-top: var(--safe-area-top);
    padding-left: var(--safe-area-left);
    padding-right: var(--safe-area-right);
    /* padding-bottom: var(--safe-area-bottom); Removed to allow content to flow behind home indicator */
}

/* Force scrollable containers for sub-apps */
.mobile-scrollable,
.chat-messages,
.panel-content,
.diary-list-content,
.editor-content-area,
.file-list-content,
.file-viewer-content,
.file-preview-content,
.markdown-preview,
.diary-markdown-preview,
.diary-markdown-editor,
.sheet-content,
.game-shelf,
.dashboard-content,
.schedule-content-wrapper,
.year-view {
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch !important;
    overscroll-behavior-y: contain;
    touch-action: pan-y;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-card);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    transition: width var(--transition-normal), transform var(--transition-normal);
    z-index: 100;
    flex-shrink: 0;
}



.sidebar.hidden-sidebar {
    width: 0 !important;
    border-right: none !important;
    overflow: hidden !important;
    min-width: 0 !important;
}

.sidebar-header {
    height: var(--header-height);
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid transparent;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    font-size: 1.5rem;
}

.tech-text {
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 1.6rem;
    font-weight: 700;
    margin: 0;
    letter-spacing: 0.1em;
    background: linear-gradient(
        90deg,
        #ffffff 0%,
        #e0e7ff 40%,
        #00fff9 50%,
        #6366f1 60%,
        #ffffff 100%
    );
    background-size: 200% auto;
    color: #fff;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: shine 6s linear infinite;
    text-shadow: 0 0 10px rgba(99, 102, 241, 0.5);
}

/* Light Theme Optimization for Logo */
[data-theme="light"] .tech-text {
    background: linear-gradient(
        90deg,
        #2563eb 0%,       /* Blue 600 */
        #4f46e5 40%,      /* Indigo 600 */
        #0ea5e9 50%,      /* Sky 500 */
        #4f46e5 60%,      /* Indigo 600 */
        #2563eb 100%      /* Blue 600 */
    );
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: none;
    filter: drop-shadow(0 2px 4px rgba(37, 99, 235, 0.15));
}

@keyframes shine {
    to {
        background-position: 200% center;
    }
}



/* Navigation */
.sidebar-nav {
    flex: 1;
    padding: 1.5rem 1rem;
    overflow-y: auto;
    min-height: 0;
}

.nav-section {
    margin-bottom: 1rem;
}

.nav-title {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
    padding: 0 0.75rem;
}

.nav-btn {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 0.75rem;
    margin-bottom: 0.25rem;
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: 0.5rem;
    transition: var(--transition-fast);
    text-align: left;
    font-size: 0.9rem;
    font-weight: 500;
}

.nav-btn:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

.nav-btn.active {
    background: var(--bg-card-hover);
    color: var(--text-primary);
    border-color: var(--border-color);
    box-shadow: var(--shadow-sm);
}

.nav-btn i {
    width: 1.25rem;
    text-align: center;
    opacity: 0.8;
}

.nav-btn.active i {
    opacity: 1;
    color: var(--primary-light);
}

.user-info {
    padding: 0.75rem;
    color: var(--text-primary);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--bg-darker); /* Use contrastive background */
    border-radius: 1rem;
    position: relative;
    overflow: hidden;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.05); /* Sunken effect */
    transition: var(--transition-base);
}

[data-theme="dark"] .user-info {
    background: linear-gradient(135deg, var(--bg-darker), #0a0a0a);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

.user-info::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent, rgba(251, 191, 36, 0.03), transparent);
    pointer-events: none;
}

.user-avatar {
    position: relative;
    width: 40px;
    height: 40px;
    background: rgba(251, 191, 36, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.user-avatar i {
    font-size: 1.1rem;
    color: #fbbf24;
    filter: drop-shadow(0 2px 4px rgba(251, 191, 36, 0.3));
}

.user-details {
    display: flex;
    flex-direction: column;
    min-width: 0;
    z-index: 1;
}

.user-details .username {
    font-weight: 600;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 1rem;
}

.user-premium-tag {
    display: flex;
    align-items: center;
    gap: 4px;
}

.user-premium-tag .premium-label {
    font-size: 0.65rem;
    color: #fbbf24;
    letter-spacing: 0.5px;
    font-weight: 700;
    text-transform: uppercase;
}

.user-premium-tag .premium-text {
    font-size: 0.65rem;
    color: var(--text-muted);
    opacity: 0.8;
}

.sidebar-footer {
    padding: 1rem;
    padding-bottom: calc(1rem + var(--safe-area-bottom));
    border-top: 1px solid var(--border-color);
    flex-shrink: 0;
    background: var(--bg-card);
    z-index: 10;
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: row; /* Changed from column to row for side-panel layout */
    min-width: 0;
    min-height: 0;
    position: relative;
    background: var(--bg-dark);
}

/* Tool Panel Layout for Desktop */
@media (min-width: 1024px) {
    body.tool-panel-open .main-content {
        margin-right: var(--tool-panel-width);
        transition: margin-right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
}

.chat-container {
    display: flex;
    flex-direction: column;
    height: 100%;
    flex: 1; /* Allow it to shrink/grow */
    min-height: 0;
    min-width: 0; /* Prevent overflow */
    width: auto; /* Let flex handle width */
    position: relative; /* Ensure absolute children are positioned relative to this container */
}

.chat-header {
    height: var(--header-height);
    padding: 0 0.5rem; /* Reduced padding */
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-dark);
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden; /* Force hide horizontal scroll */
    min-height: 0;
    -webkit-overflow-scrolling: touch;
    padding: 0.25rem 1rem 160px 1rem; /* Compact top padding */
    /* scroll-behavior: smooth;  <-- Removed to prevent scrolling lag during streaming */
    
    /* Premium Mesh Gradient Background - Moved here to cover full scrollable area */
    position: relative;
    background-color: transparent;
    /* Gradient removed as per user request */
    isolation: isolate;
}

/* Background Word Cloud */
.background-word-cloud {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
    z-index: 0;
    opacity: 0;
    transition: opacity 0.8s ease;
    display: flex;
    flex-wrap: wrap;
    align-content: space-around;
    justify-content: space-around;
    padding: 2rem;
}

/* Show state triggered by JS */
.main-content.show-art .background-word-cloud {
    opacity: 1;
}

.word-cloud-item {
    padding: 1rem 2rem;
    font-weight: 800;
    white-space: nowrap;
    user-select: none;
    cursor: default;
    /* Base color, will be overridden by JS for variety if needed */
    color: var(--text-muted);
    opacity: 0.15; /* Subtle by default */
    transition: transform 0.5s ease, opacity 0.5s ease;
    /* Default animation */
    animation: float-word 10s ease-in-out infinite;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* Specific highlight styles */
.word-cloud-item.highlight {
    background: linear-gradient(135deg, #ef4444, #f59e0b); /* Red to Amber */
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    opacity: 0.25; /* Subtle */
    font-weight: 900;
    z-index: 1;
}

@keyframes float-word {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(10px, -10px) rotate(2deg); }
    50% { transform: translate(-5px, 5px) rotate(-1deg); }
    75% { transform: translate(-10px, -5px) rotate(1deg); }
}

@keyframes float-center {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -55%) scale(1.05); }
}

.chat-messages::before {
    display: none; /* Hide noise texture as well */
}

/* Mobile adjustments for chat area */
/* Responsive Optimizations for All Sizes */
@media (min-width: 769px) and (max-width: 1024px) {
    :root {
        --sidebar-width: 240px;
    }
    /* Removed forced collapsed sidebar logic */
}

@media (min-width: 1440px) {
    .input-wrapper {
        max-width: 900px;
        margin: 0 auto;
    }
    .chat-input-container {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .chat-messages {
        padding: 0 0 120px 0; /* Adjusted from 160px for tighter fit */
    }
    
    /* Removed .chat-input-container override to respect global safe-area padding */
}

.scroll-to-bottom-btn {
    position: absolute;
    right: 1.25rem;
    bottom: 124px;
    display: none;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    background: var(--bg-glass);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    color: var(--text-primary);
    box-shadow: var(--shadow-md);
    z-index: 60;
}

.scroll-to-bottom-btn:hover {
    background: var(--bg-card-hover);
}

.scroll-to-bottom-btn.show {
    display: inline-flex;
}

/* Suggestion Chips */
.suggestion-chips-container {
    max-width: 800px;
    width: 100%;
    margin: 0 auto 0.25rem auto; /* Reduced bottom margin to 0.25rem */
    display: flex;
    justify-content: flex-start;
    gap: 0.5rem; /* Reduced gap to 0.5rem */
    flex-wrap: nowrap;
    pointer-events: auto; /* Allow clicking */
    animation: fade-in-up 0.5s ease-out;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding: 0.25rem 1rem; /* Reduced vertical padding */
    scrollbar-width: none; /* Firefox */
    position: relative;
    z-index: 10; /* Lower than input wrapper */
}

.suggestion-chips-container::-webkit-scrollbar {
    display: none; /* Chrome/Safari */
}

@keyframes fade-in-up {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.suggestion-chip {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 0.35rem 0.85rem; /* Reduced padding for compactness */
    font-size: 0.85rem; /* Slightly smaller font */
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    transition: all 0.2s;
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    flex-shrink: 0; /* Prevent shrinking */
    white-space: nowrap; /* Prevent text wrap */
}

.suggestion-chip:hover {
    background: var(--bg-card);
    color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}

.suggestion-chip i {
    color: var(--primary);
    font-size: 1rem;
}

/* Chat Input Area */
.chat-input-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    /* Use padding-bottom to handle safe area, plus a fixed gap */
    /* Increased base padding from 1rem to 2rem for consistent floating look */
    padding: 0 2rem calc(2rem + var(--safe-area-bottom)) 2rem;
    /* Floating positioning */
    position: absolute;
    /* Use bottom: 0 and rely on padding for spacing */
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 20;
    background: linear-gradient(to top, var(--bg-dark) 20%, transparent 100%);
    pointer-events: none; /* Let clicks pass through empty areas */
    /* Adjust bottom based on keyboard inset if present */
    transform: translateY(calc(0px - var(--keyboard-inset, 0px)));
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.input-wrapper {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    background: var(--bg-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: 1.5rem;
    padding: 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    max-width: 800px; /* Reduced from 900px */
    width: 100%;
    margin: 0 auto;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    pointer-events: auto; /* Re-enable clicks */
    min-height: 56px; /* Collapsed height */
    position: relative;
    z-index: 20; /* Ensure it stays above chips */
    /* Ensure no extra margin interfering with bottom spacing */
    margin-bottom: 0; 
}

/* Collapsed state (default) */
.input-wrapper:not(.expanded) {
    min-height: 56px;
    padding: 0.5rem 1rem;
    align-items: center;
    flex-direction: row;
}

.input-wrapper:not(.expanded) #chatInput {
    height: auto !important;
    min-height: 24px;
    padding: 0;
}

.input-wrapper:not(.expanded) .input-footer {
    width: auto;
    flex-shrink: 0;
}

.input-wrapper:not(.expanded) .custom-model-selector,
.input-wrapper:not(.expanded) .upload-btn,
.input-wrapper:not(.expanded) .voice-btn {
    display: none; /* Hide extra tools in collapsed mode */
}

.input-wrapper:not(.expanded) .send-btn {
    width: 32px;
    height: 32px;
}

/* Expanded state */
.input-wrapper.expanded {
    /* transform: translateY(-2px); Removed to maintain consistent bottom distance */
    border-color: var(--primary);
    background: var(--bg-card);
    box-shadow: 0 12px 40px rgba(var(--primary-rgb), 0.15);
    padding-top: 1rem; /* Reduced from 3.5rem as toggles are now outside */
    position: relative;
    /* animation: slide-up-input 0.3s cubic-bezier(0.4, 0, 0.2, 1); Removed to prevent jump */
}

/* @keyframes slide-up-input {
    from { transform: translateY(10px); opacity: 0.8; }
    to { transform: translateY(-2px); opacity: 1; }
} */

.input-wrapper.expanded #chatInput {
    min-height: 40px; /* Reduced from 60px */
}

/* Segmented Control for Schedule Views */
.segmented-control {
    display: flex;
    background: var(--bg-card-hover);
    padding: 3px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.segment-btn {
    border: none;
    background: transparent;
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
    font-weight: 500;
}

.segment-btn:hover {
    color: var(--text-primary);
}

.segment-btn.active {
    background: var(--bg-card);
    color: var(--text-primary);
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

/* Schedule Panel Overlay */
.schedule-panel-overlay {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    top: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 100;
    display: none;
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
}

.schedule-panel-overlay.open {
    display: block;
    opacity: 1;
    pointer-events: auto;
}

.schedule-bottom-sheet {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 85vh;
    background: var(--bg-card);
    border-top-left-radius: 1.5rem;
    border-top-right-radius: 1.5rem;
    box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.2);
    transform: translateY(100%);
    transition: transform 0.4s cubic-bezier(0.32, 0.72, 0, 1);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.schedule-panel-overlay.open .schedule-bottom-sheet {
    transform: translateY(0);
}

.sheet-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.sheet-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.sheet-close-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.25rem;
    cursor: pointer;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.sheet-close-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.sheet-action-btn {
    background: transparent;
    border: none;
    color: var(--primary);
    font-size: 1.1rem;
    cursor: pointer;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    margin-right: 0.5rem;
}

.sheet-action-btn:hover {
    background: rgba(139, 92, 246, 0.1);
    transform: scale(1.1);
}

.sheet-action-btn:active {
    transform: scale(0.95);
}

.sheet-content {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
}

@keyframes fade-in {
    from { opacity: 0; transform: translateX(-50%) translateY(5px); }
    to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* .input-wrapper:focus-within {
    Removed default focus-within styles to handle via class
} */

#chatInput {
    width: 100%;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1rem;
    resize: none;
    min-height: 28px; /* Ensure at least one line height + padding */
    max-height: 300px;
    /* Increase padding to ensure cursor and text align correctly */
    padding: 2px 0;
    font-family: inherit;
    line-height: 1.5;
    outline: none;
}

#chatInput:focus {
    outline: none;
    box-shadow: none;
    background: transparent;
    border-color: transparent;
}

/* Voice Visualizer */
.voice-visualizer {
    position: absolute;
    top: 50%; /* Center vertically */
    left: 1rem;
    right: 1rem;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    height: 32px; /* Match new compact input height */
    z-index: 10;
    pointer-events: none;
    color: var(--primary);
}

.voice-wave-bar {
    width: 3px; /* Slightly thinner */
    height: 60%; /* Smaller bars */
    background: var(--primary);
    border-radius: 2px;
    animation: voice-bar 1s ease-in-out infinite;
}

.voice-wave-bar:nth-child(1) { animation-delay: 0.0s; height: 40%; }
.voice-wave-bar:nth-child(2) { animation-delay: 0.1s; height: 70%; }
.voice-wave-bar:nth-child(3) { animation-delay: 0.2s; height: 100%; }
.voice-wave-bar:nth-child(4) { animation-delay: 0.3s; height: 70%; }
.voice-wave-bar:nth-child(5) { animation-delay: 0.4s; height: 40%; }

@keyframes voice-bar {
    0%, 100% { transform: scaleY(0.5); opacity: 0.5; }
    50% { transform: scaleY(1); opacity: 1; }
}

.voice-text {
    margin-left: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
    animation: pulse 1.5s infinite;
}

.input-wrapper.voice-mode {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(var(--primary-rgb), 0.2);
}

/* Hide input when voice active - REMOVED to keep layout space
.input-wrapper.voice-mode #chatInput {
    display: none;
} 
*/
.input-wrapper.voice-mode #chatInput {
    /* Ensure it takes up space but is invisible (handled by JS visibility: hidden) */
    display: block !important; 
}

/* Show visualizer when voice active */
.input-wrapper.voice-mode #voiceVisualizer {
    display: flex !important;
}

/* Hide original voice wave in button when active (since we show it in box) */
.input-wrapper.voice-mode .voice-btn .voice-wave-container {
    display: none;
}

.input-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.input-tools-left, .input-tools-right {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.upload-btn, .send-btn, .stop-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    /* Fixed size for circular buttons */
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: 50%;
    transition: all 0.2s cubic-bezier(0.25, 0.8, 0.25, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0; /* Prevent shrinking */
}

.upload-btn:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
    transform: scale(1.1);
}

/* Voice Input Button (Kimi Style) */
.voice-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    position: relative;
    overflow: visible; /* Allow waves to spread out */
    flex-shrink: 0;
}

.voice-btn:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

.voice-btn.recording {
    background: var(--primary);
    color: white;
    transform: scale(1.1);
}

.voice-wave-container {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    pointer-events: none;
    display: none;
}

.voice-btn.recording .voice-wave-container {
    display: block;
}

.voice-wave {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: rgba(var(--primary-rgb), 0.3);
    opacity: 0;
    z-index: -1;
}

.voice-btn.recording .voice-wave:nth-child(1) {
    animation: wave-animation 1.5s infinite;
}

.voice-btn.recording .voice-wave:nth-child(2) {
    animation: wave-animation 1.5s infinite 0.5s;
}

.voice-btn.recording .voice-wave:nth-child(3) {
    animation: wave-animation 1.5s infinite 1.0s;
}

@keyframes wave-animation {
    0% {
        width: 100%;
        height: 100%;
        opacity: 0.6;
    }
    100% {
        width: 180%; /* Reduced from 250% */
        height: 180%; /* Reduced from 250% */
        opacity: 0;
    }
}

.send-btn {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 6px rgba(139, 92, 246, 0.2);
}

.send-btn:hover {
    background: var(--primary-dark);
    transform: scale(1.1);
    box-shadow: 0 6px 10px rgba(139, 92, 246, 0.3);
}

.stop-btn {
    color: var(--danger);
    border: 1px solid var(--danger);
    background: rgba(239, 68, 68, 0.05);
    position: relative;
    overflow: hidden;
    animation: pulse-red-shadow 2s infinite;
}

.stop-btn:hover {
    background: var(--danger);
    color: white;
    animation: none;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
    transform: scale(1.1);
}

.stop-btn:active {
    transform: scale(0.95);
}

@keyframes pulse-red-shadow {
    0% {
        box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4);
        border-color: rgba(239, 68, 68, 0.4);
    }
    50% {
        box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.1);
        border-color: var(--danger);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4);
        border-color: rgba(239, 68, 68, 0.4);
    }
}

.input-hints {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 0.5rem;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.voice-sheet {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.72);
    backdrop-filter: blur(10px);
    z-index: 1200;
    display: none;
    align-items: flex-end;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
    padding: 1rem;
}

.voice-sheet.open {
    display: flex;
    opacity: 1;
    pointer-events: auto;
}

.voice-sheet-panel {
    width: 100%;
    max-width: 520px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 1.25rem;
    box-shadow: var(--shadow-lg);
    padding: 1.25rem;
}

.voice-sheet-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.75rem;
}

.voice-sheet-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.voice-sheet-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 0.75rem;
    gap: 0.75rem;
}

.voice-hold-btn {
    width: 100%;
    height: 56px;
    border-radius: 28px;
    border: none;
    background: var(--primary);
    color: white;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    user-select: none;
    touch-action: none;
    transition: var(--transition-fast);
}

.voice-hold-btn:active {
    transform: scale(0.98);
}

#voiceSheet[data-state="recording"] .voice-hold-btn {
    background: var(--primary-dark);
}

#voiceSheet[data-state="cancel"] .voice-hold-btn {
    background: var(--danger);
}

#voiceSheet[data-state="processing"] .voice-hold-btn {
    background: var(--bg-card-hover);
    color: var(--text-muted);
    cursor: default;
}

.voice-sheet-transcript {
    margin-top: 0.75rem;
    min-height: 52px;
    padding: 0.75rem;
    border-radius: 0.75rem;
    border: 1px solid var(--border-color);
    background: var(--bg-darker);
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
    white-space: pre-wrap;
    word-break: break-word;
}

kbd {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 0.25rem;
    padding: 0.1rem 0.3rem;
    font-family: monospace;
}

/* Welcome Message */
.welcome-message {
    max-width: 950px;
    margin: 4rem auto;
    text-align: center;
    animation: fadeIn 0.5s ease;
    padding: 0 1rem;
}

.welcome-message h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(to right, var(--primary-light), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.welcome-message p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

/* Feature Grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 1.5rem;
    cursor: pointer;
    transition: var(--transition-normal);
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

.feature-card i {
    font-size: 1.5rem;
    color: var(--primary);
}

.feature-card h3 {
    font-size: 1rem;
    font-weight: 600;
}

.feature-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0;
}

/* Hero Card */
.hero-card {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(16, 185, 129, 0.05) 100%);
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: 1rem;
    padding: 2rem;
    margin-bottom: 2rem;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: var(--transition-normal);
}

.hero-card:hover {
    border-color: var(--primary);
    box-shadow: 0 0 20px rgba(139, 92, 246, 0.15);
}

.card-content {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    position: relative;
    z-index: 2;
}

.hero-card i {
    font-size: 2.5rem;
}

/* Game Hall */
.game-hall-container {
    flex: 1;
    padding: 2rem;
    overflow-y: auto;
    background: var(--bg-dark);
}

.game-hall-header {
    margin-bottom: 2rem;
    text-align: center;
}

.game-hall-header h2 {
    font-size: 2rem;
    font-family: system-ui, -apple-system, sans-serif;
    color: var(--primary-light);
    margin-bottom: 0.5rem;
}

.game-shelf {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.game-card {
    background: var(--bg-card);
    border-radius: 1rem;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition-normal);
    cursor: pointer;
    display: flex;
    flex-direction: column;
}

.game-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
}

.game-cover {
    height: 160px;
    background: linear-gradient(45deg, #2e1065, #4c1d95);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.game-cover i {
    font-size: 4rem;
    color: rgba(255, 255, 255, 0.2);
}

.game-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: 0.3s;
}

.game-card:hover .game-overlay {
    opacity: 1;
}

.play-text {
    color: white;
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

.game-info {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.game-info h3 {
    margin-bottom: 0.5rem;
    color: var(--primary-light);
}

.game-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.5;
    flex: 1;
}

.game-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tag {
    background: rgba(139, 92, 246, 0.1);
    color: var(--primary-light);
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    border: 1px solid rgba(139, 92, 246, 0.2);
}

.coming-soon {
    opacity: 0.7;
    cursor: default;
}

.coming-soon:hover {
    transform: none;
    border-color: var(--border-color);
    box-shadow: none;
}

/* Hint Text */
.hint {
    margin-top: 3rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    opacity: 0.6;
    letter-spacing: 0.05em;
}

/* Message Bubbles */
.message {
    display: flex;
    gap: 1.5rem;
    max-width: 850px; /* Reduced from 950px for more compact look */
    margin: 0 auto 2rem auto;
    width: 100%;
    animation: fadeIn 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.message.user {
    flex-direction: row-reverse;
}

.message-avatar {
    display: none !important;
}

.message-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.default-avatar {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: white;
}

.message.assistant .message-avatar {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 10px rgba(124, 58, 237, 0.3);
}

.message-content {
    flex: 1;
    min-width: 0;
    background: transparent;
    border: none;
    padding: 0 1.25rem;
    line-height: 1.7;
}

.message.user .message-content {
    background: var(--primary);
    border: none;
    border-radius: 1.25rem 1.25rem 0.25rem 1.25rem; /* Standard modern chat bubble */
    padding: 0.85rem 1.25rem;
    max-width: 100%;
    margin-left: auto;
    box-shadow: 0 2px 12px rgba(139, 92, 246, 0.25);
    color: white;
    position: relative;
    font-weight: 400;
    line-height: 1.6;
}

/* Remove the cheap shine effect */
.message.user .message-content::before {
    display: none;
}

/* Tool Calls Styling */
.tool-call {
    margin: 0.1rem 0;
    border: none;
    border-radius: 0.5rem;
    overflow: hidden;
    background: transparent;
    width: fit-content; /* Narrow width */
    max-width: 100%;
    box-shadow: none;
    transition: all 0.2s;
}

.tool-call:hover {
    background: var(--bg-hover);
}

.tool-call.expanded {
    margin: 1rem 0;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    box-shadow: var(--shadow-sm);
    width: 100%; /* Expand to full width when open */
}

/* ... (existing styles) */

/* Modern Component System */

/* 1. Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.6rem 1.2rem;
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: 0.6rem;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    gap: 0.5rem;
    line-height: 1.2;
    user-select: none;
    position: relative;
    overflow: hidden;
}

.btn:active {
    transform: scale(0.96);
}

.btn:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Primary Button */
.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 6px -1px rgba(var(--primary-rgb), 0.3);
}

.btn-primary:hover {
    background: var(--primary-dark);
    box-shadow: 0 6px 10px -1px rgba(var(--primary-rgb), 0.4);
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(0) scale(0.96);
}

/* Secondary/Cancel Button */
.btn-secondary {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--text-muted);
    color: white;
}

/* Danger Button */
.btn-danger {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: var(--danger);
}

.btn-danger:hover {
    background: var(--danger);
    color: white;
    box-shadow: 0 4px 6px -1px rgba(239, 68, 68, 0.4);
}

/* Danger Outline Button */
.btn-danger-outline {
    background: transparent;
    border: 1px solid var(--danger);
    color: var(--danger);
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
    border-radius: 0.6rem;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-danger-outline:hover {
    background: var(--danger);
    color: white;
    box-shadow: 0 4px 6px -1px rgba(239, 68, 68, 0.3);
}

/* Ghost Button */
.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
}

.btn-ghost:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

/* 2. Inputs */
.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.input-label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-left: 0.2rem;
}

.input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 0.6rem;
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: inherit;
    transition: all 0.2s ease;
    outline: none;
}

.input:hover {
    border-color: var(--border-light);
}

.input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.15);
    background: var(--bg-card);
}

.input::placeholder {
    color: var(--text-muted);
    opacity: 0.7;
}

/* 3. Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 1.5rem;
    transition: var(--transition-normal);
}

.card:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-md);
}

/* 4. Modals (Enhanced) */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    z-index: 5000;
    display: none; /* Hidden by default */
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.show,
.modal.open {
    display: flex; /* Flex when shown */
    opacity: 1;
}

.modal-content {
    background: var(--bg-card);
    width: 90%;
    max-width: 500px;
    border-radius: 1.2rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255, 255, 255, 0.05);
    transform: scale(0.95) translateY(10px);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    display: flex;
    flex-direction: column;
    max-height: 85vh;
    overflow: hidden;
}

.modal.show .modal-content {
    transform: scale(1) translateY(0);
}

.modal.large-preview .modal-content {
    max-width: 1000px;
    width: 95%;
    height: 90vh;
    max-height: 90vh;
}

.modal-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-darker);
}

.modal-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.modal-close {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    transform: rotate(90deg);
}

.modal-body {
    padding: 1.5rem;
    overflow-y: auto;
    color: var(--text-secondary);
    line-height: 1.6;
}

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 1rem;
    background: var(--bg-darker);
}

/* Animations */
@keyframes popIn {
    0% { opacity: 0; transform: scale(0.9); }
    100% { opacity: 1; transform: scale(1); }
}

.tool-call-header {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 0.25rem;
    padding: 0.25rem 0.5rem;
    background: transparent;
    cursor: pointer;
    border-bottom: 1px solid transparent;
    transition: var(--transition-fast);
}

.tool-call-header:hover {
    background: transparent;
}

/* Tool icon and name */
.tool-call-name {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: monospace;
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: normal;
}

.tool-call-name i {
    color: inherit;
    width: 1.2em;
    text-align: center;
    opacity: 0.8;
}

.tool-call-time {
    margin-left: 0;
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: normal;
}

.tool-call-toggle {
    color: var(--text-muted);
    transition: transform 0.2s;
    font-size: 0.8rem;
}

.tool-call.expanded .tool-call-toggle {
    transform: rotate(180deg);
}

.tool-call.expanded .tool-call-header {
    border-bottom-color: var(--border-color);
    background: var(--bg-darker);
    padding: 0.75rem 1rem;
    color: var(--text-primary);
}

.tool-call-body {
    padding: 1rem;
    background: var(--bg-darker);
    /* border-top handled by header border-bottom */
    font-family: monospace;
    font-size: 0.85rem;
    overflow-x: auto;
    display: none;
    animation: slideDown 0.2s ease-out;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-5px); }
    to { opacity: 1; transform: translateY(0); }
}

.tool-call.expanded .tool-call-body {
    display: block;
}

.tool-call-section {
    margin-bottom: 1rem;
}

.tool-call-section:last-child {
    margin-bottom: 0;
}

.tool-call-section h4 {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    letter-spacing: 0.05em;
}

.tool-call-section pre {
    margin: 0;
    background: rgba(0,0,0,0.2);
    padding: 0.75rem;
    border-radius: 0.5rem;
    overflow-x: auto;
    border: 1px solid rgba(255,255,255,0.05);
}

.tool-call-section code {
    font-family: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
    color: var(--text-secondary);
}

/* Modern Button System */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.6rem 1.2rem;
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: 0.6rem;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    gap: 0.5rem;
    line-height: 1.2;
}

.btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 6px -1px rgba(var(--primary-rgb), 0.3);
}

.btn-primary:hover {
    background: var(--primary-dark);
    box-shadow: 0 6px 8px -1px rgba(var(--primary-rgb), 0.4);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-secondary);
    border-color: var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
    border-color: var(--text-muted);
}

.btn-danger {
    background: var(--danger);
    color: white;
    box-shadow: 0 4px 6px -1px rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
    background: #dc2626; /* Darker red */
    transform: translateY(-1px);
    box-shadow: 0 6px 8px -1px rgba(239, 68, 68, 0.4);
}

.btn-text {
    background: transparent;
    color: var(--text-muted);
    padding: 0.5rem;
}

.btn-text:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}

/* Custom Select Dropdown Styling */
select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.5rem center;
    background-size: 1em;
    padding-right: 2rem !important; /* Make room for arrow */
    cursor: pointer;
}

select:hover {
    border-color: var(--primary-light);
}

select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.15);
}

/* Modern Input Fields */
input[type="text"], 
input[type="password"], 
input[type="email"],
input[type="number"],
input[type="datetime-local"],
textarea,
select {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 0.6rem;
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: inherit;
    transition: all 0.2s ease;
    outline: none;
}

input:focus, textarea:focus, select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.15);
    background: var(--bg-card);
}

input::placeholder, textarea::placeholder {
    color: var(--text-muted);
    opacity: 0.7;
}

/* Modal Enhancements */
.modal {
    display: none;
    position: fixed;
    z-index: 10000; /* Ensure this is higher than anything else (Diary is 200) */
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: rgba(0,0,0,0.4);
    backdrop-filter: blur(4px);
    justify-content: center;
    align-items: center;
    animation: fadeIn 0.2s ease-out;
}

.modal.open {
    display: flex;
}

.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 1.2rem; /* Softer corners */
    box-shadow: 
        0 20px 25px -5px rgba(0, 0, 0, 0.5), 
        0 8px 10px -6px rgba(0, 0, 0, 0.5);
    overflow: hidden;
    animation: modalPop 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative; /* Ensure stacking context */
    z-index: 10001;
}

@keyframes modalPop {
    from { opacity: 0; transform: scale(0.95) translateY(10px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-card);
}

.modal-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.modal-body {
    padding: 1.5rem;
    background: var(--bg-card);
}

.modal-footer {
    padding: 1.25rem 1.5rem;
    border-top: 1px solid var(--border-color);
    background: var(--bg-darker); /* Subtle contrast for footer */
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}

/* Close Button refinement */
.modal-close {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
}

.modal-close:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    transform: rotate(90deg);
}

#authModal {
    background: rgba(0, 0, 0, 0.78);
    backdrop-filter: blur(10px);
}

/* Auth Modal Styling (Adaptive Theme) */
#authModal .auth-modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 1.5rem;
    box-shadow: 
        var(--shadow-lg),
        0 0 0 1px rgba(var(--primary-rgb), 0.1);
    max-width: 380px;
    width: 90%;
    /* Ensure content is scrollable when keyboard opens */
    max-height: 85vh;
    max-height: 85dvh;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-y: contain;
    position: relative;
    transition: background 0.3s, border-color 0.3s, box-shadow 0.3s;
}

/* Header Section */
.auth-header {
    text-align: center;
    padding: 2.5rem 2rem 1rem 2rem;
    position: relative;
    background: radial-gradient(circle at top, var(--bg-card-hover), transparent 70%);
}

.auth-icon-wrapper {
    width: 64px;
    height: 64px;
    background: var(--bg-darker);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem auto;
    font-size: 1.75rem;
    color: var(--primary);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.auth-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.auth-subtitle {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
}

#authModal .modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 32px;
    height: 32px;
    background: var(--bg-hover);
    border-radius: 50%;
    transition: all 0.2s;
    color: var(--text-muted);
    border: 1px solid transparent;
}

#authModal .modal-close:hover {
    background: var(--bg-card-hover);
    transform: rotate(90deg);
    color: var(--text-primary);
    border-color: var(--border-color);
}

/* Body Section */
.auth-body {
    padding: 1rem 2rem 2.5rem 2rem;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

/* Simplified Form Styling */
.simple-form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.simple-form-group label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-left: 0.25rem;
}

.simple-input {
    width: 100%;
    padding: 0.85rem 1rem;
    border-radius: 0.75rem;
    border: 1px solid var(--border-color);
    background: var(--bg-input);
    color: var(--text-primary);
    font-size: 1rem;
    outline: none;
    transition: all 0.2s ease;
}

.simple-input::placeholder {
    color: var(--text-muted);
    opacity: 0.7;
}

.simple-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.15);
    background: var(--bg-card);
}

/* Fallback for focus ring */
.simple-input:focus {
    box-shadow: 0 0 0 3px var(--primary-light);
}

/* Error Message */
.auth-error {
    display: none; /* JS will toggle this */
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--danger);
    color: var(--danger);
    padding: 0.75rem;
    border-radius: 0.75rem;
    font-size: 0.85rem;
    align-items: center;
    gap: 0.5rem;
    animation: fadeIn 0.3s ease;
}

/* Success Message Override */
.auth-error.success {
    background: rgba(16, 185, 129, 0.1);
    border-color: var(--secondary);
    color: var(--secondary);
}

.auth-error[style*="display: block"] {
    display: flex !important;
}

/* Submit Button */
.auth-submit-btn {
    width: 100%;
    padding: 1rem;
    background: var(--primary);
    border: none;
    border-radius: 0.75rem;
    color: white;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1.5rem; /* Increased from 0.5rem to ~24px */
    transition: all 0.2s;
    box-shadow: var(--shadow-sm);
}

.auth-submit-btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
    background: var(--primary-dark);
}

.auth-submit-btn:active {
    transform: translateY(0);
}

/* Footer */
.auth-footer {
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

.auth-footer a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s;
    margin-left: 0.25rem;
}

.auth-footer a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* Utilities */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes pulse {
    0% { opacity: 0.5; }
    50% { opacity: 1; }
    100% { opacity: 0.5; }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
    background: transparent; /* Initially transparent */
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: transparent; /* Hide thumb by default */
    border-radius: 3px;
    transition: background 0.3s ease;
}

/* Show scrollbar on hover (Desktop) or always (Mobile if supported) */
@media (hover: hover) {
    *:hover::-webkit-scrollbar-thumb {
        background: var(--border-light);
    }
}

@media (max-width: 768px) {
    ::-webkit-scrollbar {
        width: 4px; /* Thinner on mobile */
    }
    ::-webkit-scrollbar-thumb {
        background: rgba(128, 128, 128, 0.3); /* Semi-transparent grey on mobile */
    }
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Responsive */
@media (max-width: 768px) {
    html, body {
        height: 100%;
        height: 100dvh; /* Use dynamic viewport height for mobile */
        overflow: hidden;
        overscroll-behavior: none;
        position: fixed;
        width: 100%;
        -webkit-overflow-scrolling: touch;
    }

    /* Universal scrollable container for mobile */
    .mobile-scrollable,
    .chat-messages,
    .panel-content,
    .diary-list-content,
    .editor-content-area,
    .file-list-content,
    .file-viewer-content,
    .game-shelf {
        overflow-y: auto !important;
        -webkit-overflow-scrolling: touch !important;
        overscroll-behavior-y: contain;
        touch-action: pan-y;
    }

    .app-container {
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        width: 100%;
        height: 100%;
        overflow: hidden;
        /* Remove bottom padding to prevent double spacing, let content handle safe area */
        padding: var(--safe-area-top) var(--safe-area-right) 0 var(--safe-area-left);
        background-color: var(--bg-dark); /* Ensure background covers full area */
    }

    .main-content {
        height: 100%;
        /* Remove double padding from main content */
        padding: 0;
    }

    .chat-container {
        height: 100%;
        min-height: 0;
        overflow: hidden;
    }

    .chat-header {
        height: 52px;
        padding: 0 1rem;
    }

    .chat-messages {
        overscroll-behavior: contain;
        touch-action: pan-y;
        padding: 1rem 1rem calc(var(--mobile-input-space, calc(100px + var(--safe-area-bottom))) + var(--keyboard-inset, 0px) + var(--vv-bottom-inset, 0px)) 1rem;
    }

    .chat-input-container {
        position: fixed !important;
        bottom: 0 !important;
        left: 0;
        right: 0;
        /* Default: use safe area padding */
        /* Increased from 4px to 1.25rem (20px) to prevent sticking to bottom */
        padding: 0 1rem calc(1.25rem + var(--safe-area-bottom)) 1rem;
        z-index: 80;
        /* Use a single background definition with gradient */
        /* This ensures no gaps between pseudo-elements */
        /* Gradient logic: Solid color from bottom up to (Safe Area + 1.25rem + 60px), then fade to transparent */
        background: linear-gradient(
            to top, 
            var(--bg-dark) 0%, 
            var(--bg-dark) calc(1.25rem + var(--safe-area-bottom) + 60px), 
            rgba(255,255,255,0) 100%
        );
        pointer-events: none;
        transform: none !important;
        transition: none !important;
    }

    /* When keyboard is open, remove bottom safe area padding and adjust gradient */
    body.keyboard-open .chat-input-container {
        /* Increased from 4px to 1rem (16px) to maintain gap even with keyboard */
        padding-bottom: 1rem !important;
        background: linear-gradient(
            to top, 
            var(--bg-dark) 0%, 
            var(--bg-dark) 80px, 
            rgba(255,255,255,0) 100%
        );
    }

    /* Dark theme adjustment for gradient colors */
    [data-theme="dark"] .chat-input-container,
    [data-theme="default"] .chat-input-container {
        background: linear-gradient(
            to top, 
            var(--bg-dark) 0%, 
            var(--bg-dark) calc(1.25rem + var(--safe-area-bottom) + 60px), 
            rgba(0,0,0,0) 100%
        );
    }

    [data-theme="dark"] body.keyboard-open .chat-input-container,
    [data-theme="default"] body.keyboard-open .chat-input-container {
        background: linear-gradient(
            to top, 
            var(--bg-dark) 0%, 
            var(--bg-dark) 80px, 
            rgba(0,0,0,0) 100%
        );
    }

    .scroll-to-bottom-btn {
        right: 1rem;
        position: fixed;
        bottom: calc(var(--mobile-input-space, 148px) + var(--safe-area-bottom) + var(--keyboard-inset, 0px) + var(--vv-bottom-inset, 0px));
        transform: translateY(-0.75rem);
    }

    .input-wrapper {
        padding: 0.75rem;
        gap: 0.5rem;
        border-radius: 1.25rem;
        max-width: 100%;
    }

    .sidebar {
        position: fixed;
        top: 0;
        left: -100%;
        height: 100%;
        box-shadow: var(--shadow-lg);
        z-index: 2002;
        /* Sidebar needs its own safe area padding since it's fixed */
        padding-top: var(--safe-area-top); 
        padding-bottom: var(--safe-area-bottom);
    }

    .panel-header {
        padding-top: var(--safe-area-top);
        height: calc(var(--header-height) + var(--safe-area-top));
        box-sizing: content-box;
    }
    
    .sidebar.open {
        left: 0;
    }
    
    .side-panel {
        position: fixed;
        right: -100%;
        height: 100%;
        width: 100%;
        max-width: 100%; /* Override desktop max-width */
        z-index: 101;
    }
    
    .sidebar.open {
        left: 0;
        z-index: 2002 !important; /* Ensure it's above side panel (1001) */
    }

    /* Mobile Panel Layout - Revised for Animation */
    .side-panel.open {
        position: fixed !important;
        top: 0 !important;
        height: 100% !important;
        height: 100dvh !important; /* Ensure full height */
        z-index: 1001 !important;
        
        /* Full width on mobile, sliding from right */
        width: 100% !important;
        right: 0 !important;
        left: auto !important;
        margin: 0 !important;
        
        /* Ensure content respects safe area */
        padding-bottom: var(--safe-area-bottom);
        
        /* Ensure transform works */
        transform: translateX(0) !important;
    }
    
    .message {
        max-width: 100%;
    }
}

@media (hover: none) and (pointer: coarse) {
    html, body {
        height: 100%;
        overflow: hidden;
        overscroll-behavior: none;
    }

    .app-container {
        height: 100vh;
        height: -webkit-fill-available;
        height: 100svh;
        height: 100dvh;
        height: var(--app-height, 100vh);
    }

    .chat-messages {
        overscroll-behavior: contain;
        touch-action: pan-y;
        padding: 1rem 1rem calc(var(--mobile-input-space, 148px) + var(--safe-area-bottom) + var(--keyboard-inset, 0px) + var(--vv-bottom-inset, 0px)) 1rem;
    }

    .chat-input-container {
        position: fixed !important;
        bottom: 0 !important;
        left: 0;
        right: 0;
        /* Force minimal padding, safe area handled by env() */
        padding: 0 1rem calc(4px + var(--safe-area-bottom)) 1rem;
        z-index: 80;
        background: linear-gradient(to top, var(--bg-dark) 35%, transparent 100%);
        pointer-events: none;
        transform: none !important;
        transition: none !important;
    }

    .scroll-to-bottom-btn {
        position: fixed;
        right: 1rem;
        bottom: calc(var(--mobile-input-space, 148px) + var(--safe-area-bottom) + var(--keyboard-inset, 0px) + var(--vv-bottom-inset, 0px));
        transform: translateY(-0.75rem);
    }

    .input-wrapper {
        padding: 0.75rem;
        gap: 0.5rem;
        border-radius: 1.25rem;
        max-width: 100%;
    }
}

html.is-standalone {
    --safe-area-bottom: 0px;
}

html.is-ios, html.is-ios body {
    height: 100%;
    overflow: hidden;
    overscroll-behavior: none;
}

.is-ios .app-container {
    height: 100vh;
    height: -webkit-fill-available;
    height: 100svh;
    height: 100dvh;
    height: var(--app-height, 100vh);
}

.is-ios .chat-messages {
        overscroll-behavior: contain;
        touch-action: pan-y;
        padding: 1rem 1rem calc(var(--mobile-input-space, calc(100px + var(--safe-area-bottom))) + var(--keyboard-inset, 0px) + var(--vv-bottom-inset, 0px)) 1rem;
    }

.is-ios .chat-input-container {
    position: fixed !important;
    bottom: 0 !important;
    left: 0;
    right: 0;
    /* Increased from 4px to 1.25rem (20px) */
    padding: 0 1rem calc(1.25rem + var(--safe-area-bottom)) 1rem;
    z-index: 80;
    background: linear-gradient(to top, var(--bg-dark) 35%, transparent 100%);
    pointer-events: none;
    transform: none !important;
    transition: none !important;
}

.is-ios .scroll-to-bottom-btn {
    position: fixed;
    right: 1rem;
    bottom: calc(var(--mobile-input-space, 148px) + var(--safe-area-bottom) + var(--keyboard-inset, 0px) + var(--vv-bottom-inset, 0px));
    transform: translateY(-0.75rem);
    z-index: 5001;
}

.is-ios .input-wrapper {
    padding: 0.75rem;
    gap: 0.5rem;
    border-radius: 1.25rem;
    max-width: 100%;
}

.input-portal .chat-input-container {
    position: fixed !important;
    left: 0;
    right: 0;
    bottom: 0 !important;
    /* Increased from 0.25rem to 1.25rem */
    padding: 0 1rem calc(1.25rem + var(--safe-area-bottom)) 1rem;
    z-index: 80;
    background: linear-gradient(to top, var(--bg-dark) 35%, transparent 100%);
    pointer-events: none;
    transform: none !important;
    transition: none !important;
}

/* Rich File Card Styling */
.rich-file-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    margin: 1rem 0;
    overflow: hidden;
    transition: border-color 0.2s;
    position: relative;
}

.rich-file-card:hover {
    border-color: var(--primary);
}

.file-card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 1rem;
    background: var(--bg-card);
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s;
}

.rich-file-card:hover .file-card-header {
    border-bottom-color: var(--border-color);
}

/* Removed .file-icon-wrapper styles */

.file-info {
    flex: 1;
    min-width: 0;
}

.file-name {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.95rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 0.1rem;
}

.file-meta {
    font-size: 0.75rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.file-actions {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.action-btn {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.4rem;
    border: 1px solid transparent;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s;
}

.action-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.action-btn.primary {
    color: var(--primary);
}

.action-btn.primary:hover {
    background: rgba(139, 92, 246, 0.1);
    color: var(--primary-dark);
}

.file-preview-content {
    padding: 1rem;
    background: var(--bg-darker); /* Slightly darker for contrast */
    font-family: 'Menlo', 'Monaco', 'Courier New', monospace;
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
    max-height: 200px; /* Increased height slightly */
    overflow: hidden;
    position: relative;
    border-top: 1px solid var(--border-color);
    white-space: pre-wrap;
    word-break: break-all;
}

.file-preview-content::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 40px;
    background: linear-gradient(to bottom, transparent, var(--bg-darker));
    pointer-events: none;
}

/* Removed .preview-tag */

/* Add these to end of style.css */

/* Markdown Preview Styles within File Card */
.file-preview-content.markdown-preview {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

.file-preview-content.markdown-preview h1,
.file-preview-content.markdown-preview h2,
.file-preview-content.markdown-preview h3,
.file-preview-content.markdown-preview h4,
.file-preview-content.markdown-preview h5,
.file-preview-content.markdown-preview h6 {
    margin-top: 0.5rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
    line-height: 1.25;
    color: var(--text-primary);
}

.file-preview-content.markdown-preview h1 { font-size: 1.1rem; }
.file-preview-content.markdown-preview h2 { font-size: 1rem; }
.file-preview-content.markdown-preview h3 { font-size: 0.95rem; }

.file-preview-content.markdown-preview p {
    margin-bottom: 0.5rem;
}

.file-preview-content.markdown-preview ul,
.file-preview-content.markdown-preview ol {
    margin-bottom: 0.5rem;
    padding-left: 1.25rem;
}

.file-preview-content.markdown-preview code {
    background-color: rgba(110, 118, 129, 0.4);
    padding: 0.2em 0.4em;
    border-radius: 3px;
    font-size: 85%;
    font-family: ui-monospace, SFMono-Regular, SF Mono, Menlo, Consolas, Liberation Mono, monospace;
}

.file-preview-content.markdown-preview pre {
    background-color: rgba(0, 0, 0, 0.2);
    padding: 0.5rem;
    border-radius: 0.5rem;
    overflow-x: auto;
    margin-bottom: 0.5rem;
}

.file-preview-content.markdown-preview pre code {
    background-color: transparent;
    padding: 0;
    font-size: 100%;
}

.file-preview-content.markdown-preview blockquote {
    margin: 0 0 0.5rem;
    padding: 0 1em;
    color: var(--text-muted);
    border-left: 0.25em solid var(--border-color);
}

/* Side Panel Styles - Restored & Modified for Squeeze Layout */
.side-panel {
    /* Base styles */
    background: var(--bg-card);
    display: flex;
    flex-direction: column;
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    flex-shrink: 0;
    z-index: 200;
    height: 100%;
    box-shadow: -5px 0 20px rgba(0, 0, 0, 0.05);
}

/* Desktop: Squeeze Layout */
@media (min-width: 769px) {
    .side-panel {
        position: relative; /* In flow to squeeze chat */
        right: auto;
        top: auto;
        bottom: auto;
        transform: none;
        border-left: 1px solid var(--border-color);
    }

    /* Force width to 0 when not open to override any inline styles from resizer */
    .side-panel:not(.open) {
        width: 0 !important;
        border-left: none !important;
        overflow: hidden;
        min-width: 0 !important;
        padding: 0 !important;
    }

    .side-panel.open {
        width: 400px; /* Default width */
        /* min-width and max-width handled in resizer.css or JS */
    }
}

/* Mobile: Overlay Layout */
@media (max-width: 768px) {
    .side-panel {
        position: fixed;
        right: 0;
        top: 0;
        bottom: 0;
        width: 100%;
        transform: translateX(100%);
    }
    
    .side-panel.open {
        transform: translateX(0);
    }
}

/* Month View Improvements */
.month-view-container {
    background: var(--bg-card);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 0;
    overflow: hidden;
    padding: clamp(0.5rem, 2vw, 1.5rem);
}

/* Ensure header row is a grid */
.month-header-row {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    margin-bottom: 0.5rem;
    text-align: center;
}

.month-header-row .week-header {
    padding: 0.5rem;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Ensure body is a grid */
.month-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    /* Auto-rows fallback, but we will make it expand */
    grid-auto-rows: 1fr;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: var(--bg-card);
    /* Ensure it takes full height if container allows */
    flex: 1;
    min-height: 0;
    overflow: hidden;
}

.month-day {
    border-right: 1px solid rgba(var(--primary-rgb), 0.08);
    border-bottom: 1px solid rgba(var(--primary-rgb), 0.08);
    transition: all 0.2s ease;
    background: transparent;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: clamp(80px, 12vh, 140px);
}

.month-day:hover {
    background-color: rgba(var(--primary-rgb), 0.02) !important;
}

.day-events-list {
    flex: 1;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 2px;
}

.day-events-list .event-chip {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}

.month-day.past {
    background: rgba(0, 0, 0, 0.02);
    color: var(--text-muted);
}

.month-day-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 8px 10px;
    width: 100%;
    border: none !important;
    background: transparent !important;
    min-width: 0 !important;
    height: auto !important;
}

.month-day-number {
    font-size: 1rem;
    color: var(--text-primary);
    font-weight: 500;
    line-height: 1;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s;
}

.month-day.today .month-day-number {
    background: var(--primary);
    color: white;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(var(--primary-rgb), 0.3);
}

.month-day.other-month {
    opacity: 0.3;
    background: rgba(0, 0, 0, 0.01);
}

.month-day:nth-child(7n) {
    border-right: none;
}

/* Remove bottom border for last row (approximate) */
/* Hard to target last row exactly with generic CSS without knowing row count, 
   but grid container border handles the outer edge. */

/* User Dropdown Menu Styles */
.user-dropdown-menu {
    display: none;
    flex-direction: column;
    gap: 0.2rem;
    padding: 0.5rem;
    background: var(--bg-card);
    border-radius: 1rem;
    box-shadow: 0 -10px 25px -5px rgba(0, 0, 0, 0.2), 0 -8px 10px -6px rgba(0, 0, 0, 0.1);
    position: absolute;
    bottom: 100%;
    left: 0;
    right: 0;
    margin-bottom: 0.5rem;
    border: 1px solid var(--border-color);
    transform-origin: bottom center;
    animation: menu-slide-up 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
    z-index: 100;
}

@keyframes menu-slide-up {
    from {
        opacity: 0;
        transform: translateY(10px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.user-dropdown-menu.show {
    display: flex;
}

.user-menu-arrow {
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    font-size: 0.8rem;
    color: var(--text-muted);
}

.user-info:hover .user-menu-arrow {
    color: var(--primary);
    transform: translateY(-2px);
}

.user-info:hover .user-menu-arrow.rotated {
    transform: rotate(180deg) translateY(2px);
}

/* Mobile Modal Adaptations */
@media (max-width: 768px) {
    .modal-content {
        width: 90% !important;
        max-width: none !important;
        margin: 20px auto;
        padding: 1rem;
    }
    
    .user-dropdown-menu {
        width: calc(100% - 2rem);
        left: 1rem;
        right: 1rem;
        bottom: 80px; /* Position above user info */
        position: absolute;
    }
}

.menu-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 0.75rem;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 0.375rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
    width: 100%;
}

.menu-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.menu-item i {
    width: 1.25rem;
    text-align: center;
    font-size: 1rem;
}

/* User Info Area (Modernized) */
.sidebar-user-area {
    position: relative;
    width: 100%;
}

.user-info {
    cursor: pointer;
    padding: 0.6rem 0.8rem;
    border-radius: 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: transparent;
    border: 1px solid transparent;
    position: relative;
    user-select: none;
}

.user-info:hover {
    background: var(--bg-glass);
    border-color: rgba(var(--primary-rgb), 0.1);
}

.user-avatar {
    width: 2.2rem;
    height: 2.2rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.9rem;
    box-shadow: 0 4px 10px rgba(var(--primary-rgb), 0.2);
    flex-shrink: 0;
}

.user-details {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    flex: 1;
}

.user-details .username {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-premium-tag {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    margin-top: 0.1rem;
}

.premium-label {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.premium-text {
    font-size: 0.7rem;
    color: var(--text-muted);
}

.user-menu-arrow {
    width: 1.5rem;
    height: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: var(--text-muted);
    font-size: 0.75rem;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    background: transparent;
    opacity: 0.5;
    margin-left: 0.25rem;
}

.user-info:hover .user-menu-arrow {
    opacity: 1;
    background: rgba(var(--primary-rgb), 0.05);
    color: var(--primary);
}

.user-menu-arrow.rotated {
    transform: rotate(180deg);
    color: var(--primary);
    background: rgba(var(--primary-rgb), 0.1);
    opacity: 1;
}

/* User Dropdown Menu (Enhanced) */
.user-dropdown-menu {
    display: none;
    flex-direction: column;
    gap: 0.2rem;
    padding: 0.5rem;
    background: var(--bg-card);
    border-radius: 1rem;
    box-shadow: 0 -10px 25px -5px rgba(0, 0, 0, 0.2), 0 -8px 10px -6px rgba(0, 0, 0, 0.1);
    position: absolute;
    bottom: 100%;
    left: 0;
    right: 0;
    margin-bottom: 0.5rem;
    border: 1px solid var(--border-color);
    transform-origin: bottom center;
    animation: menu-slide-up 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
    z-index: 100;
}

@keyframes menu-slide-up {
    from {
        opacity: 0;
        transform: translateY(10px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.user-dropdown-menu.show {
    display: flex;
}

.menu-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: 0.6rem;
    border: none;
    background: transparent;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.9rem;
    font-weight: 500;
}

.menu-item:hover {
    background: var(--bg-glass);
    color: var(--primary);
    transform: translateX(4px);
}

.menu-item i {
    font-size: 1rem;
    width: 1.2rem;
    text-align: center;
    opacity: 0.8;
}

.menu-item#logoutBtn:hover {
    color: #ef4444;
    background: rgba(239, 68, 68, 0.05);
}

.month-day:hover {
    background-color: var(--bg-hover) !important;
}

.holiday-badge {
    font-size: 0.65rem;
    background: #fef2f2;
    color: #ef4444;
    padding: 1px 4px;
    border-radius: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
    margin-left: 4px;
    font-weight: 500;
}

.more-events {
    font-size: 0.75rem;
    color: var(--text-muted);
    padding: 2px 6px;
    font-weight: 500;
}

/* Mobile optimizations for Month View */
@media (max-width: 768px) {
    .month-view-container {
        padding: 0.25rem !important;
        height: calc(100vh - 120px) !important; /* Fix container height on mobile */
        display: flex;
        flex-direction: column;
        overflow: hidden;
    }
    
    /* Ensure header row aligns with grid */
    .month-header-row {
        display: grid;
        grid-template-columns: repeat(7, 1fr);
        margin-bottom: 0;
        text-align: center;
        border: none;
        padding-bottom: 0.25rem;
        flex-shrink: 0;
    }

    .month-header-row .week-header {
        padding: 0.25rem;
        font-size: 0.75rem; /* Smaller text */
        color: var(--text-muted);
    }
    
    .month-grid {
        display: grid;
        grid-template-columns: repeat(7, 1fr);
        grid-template-rows: repeat(6, 1fr); /* Force 6 rows to fill container */
        border: 1px solid var(--border-color);
        border-radius: 8px;
        overflow: hidden;
        flex: 1;
        background: var(--bg-card);
    }

    .month-day {
        min-height: 0 !important; /* Allow shrinking */
        padding: 0 !important;
        display: flex;
        flex-direction: column;
        border-right: 1px solid var(--border-color);
        border-bottom: 1px solid var(--border-color);
    }

    .month-day:nth-child(7n) {
        border-right: none;
    }

    .month-day-header {
        padding: 2px 4px !important;
        display: flex;
        align-items: center;
        justify-content: center;
        min-height: 20px;
    }

    .month-day-number {
        font-size: 0.75rem !important;
        font-weight: 500;
        margin-bottom: 0;
    }

    .holiday-badge {
        display: none; /* Hide holiday names on very small screens to save space */
    }

    .day-events-list {
        flex: 1;
        overflow: hidden;
        display: flex;
        flex-direction: column;
        gap: 1px;
        padding: 0 2px;
    }

    .event-chip {
        font-size: 0.6rem !important;
        padding: 1px 2px !important;
        margin: 0 !important;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        border-radius: 2px !important;
    }

    .more-events {
        font-size: 0.6rem;
        text-align: center;
        padding: 0;
    }

    .holiday-badge {
        display: none; /* Hide holiday names on very small screens to save space */
    }

    /* Dot style for events on mobile */
    .day-events-list {
        flex: 1;
        overflow: hidden;
        display: flex;
        flex-direction: row !important;
        flex-wrap: wrap;
        justify-content: flex-start; /* Left align dots */
        gap: 3px !important;
        padding: 0 2px;
        margin-top: auto; /* Push to bottom */
        width: 100%;
        padding-bottom: 2px;
    }

    .day-events-list .event-chip {
        display: block !important;
        width: 6px;
        height: 6px;
        min-width: 6px; /* Force size */
        padding: 0 !important;
        border-radius: 50% !important;
        font-size: 0 !important; /* Hide text */
        color: transparent !important;
        overflow: hidden;
        background-color: var(--primary); /* Fallback color */
        border: none; /* No border for dots */
        margin: 0;
    }
    
    /* Specific colors for dots */
    .day-events-list .event-chip.quadrant-1 { background-color: #ef4444; }
    .day-events-list .event-chip.quadrant-2 { background-color: #f59e0b; }
    .day-events-list .event-chip.quadrant-3 { background-color: #3b82f6; }
    .day-events-list .event-chip.quadrant-4 { background-color: #10b981; }
    
    /* Hide the 'more' text on mobile */
    .more-events {
        display: none !important;
    }
}

.panel-header {
    height: var(--header-height);
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
    white-space: nowrap;
}

.panel-header h2 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.panel-close {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.panel-close:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    /* transform: rotate(90deg); Removed for back button style */
}

.panel-content {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
    min-width: 0; /* Changed from 300px to avoid layout issues */
}

/* When side panel is open, hide mobile sidebar close button to avoid clutter */
body:has(.side-panel.open) #mobileSidebarClose {
    display: none !important;
}

/* File Management & Search Styles */
.file-nav-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

.file-action-btn {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.file-action-btn:hover {
    background: var(--bg-hover);
    color: var(--primary);
}

.file-action-btn.active {
    background: rgba(var(--primary-rgb), 0.1);
    color: var(--primary);
}

#fileSearchBar {
    padding: 10px 1.5rem;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-card);
    animation: fileSearchSlideDown 0.3s ease;
}

#fileSearchInput {
    width: 100%;
    padding: 8px 12px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: var(--bg-body);
    color: var(--text-primary);
    font-size: 0.9rem;
    outline: none;
}

#fileSearchInput:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(var(--primary-rgb), 0.1);
}

@keyframes fileSearchSlideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* File Viewer Improvements */
.file-viewer-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

@media (max-width: 768px) {
    #fileViewerTitle {
        display: none !important; /* Hide filename on mobile status bar */
    }
    
    .file-viewer-actions {
        margin-left: auto;
    }
    
    .panel-header {
        padding: 0 1rem;
    }
    
    /* Ensure back button isn't blocked by long content */
    #fileViewerContent {
        padding: 1rem;
    }
}

/* Dashboard App */
.dashboard-app {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-darker);
    z-index: 6000;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform: translateX(0);
    visibility: visible;
    transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.3s;
}

/* Desktop Sidebar Adjustments for Dashboard */
@media (min-width: 768px) {
    /* When sidebar is expanded (default) */
    body:not(.sidebar-hidden) .dashboard-app {
        left: var(--sidebar-width);
        width: calc(100% - var(--sidebar-width));
    }
}

.dashboard-app.hidden {
    transform: translateX(100%);
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
}