/* =================================================================
   CSS RESET, BASE STYLES & TYPOGRAPHY
   ================================================================= */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

html {
    background-color: var(--background-color);
}

body {
    font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--secondary-bg);
    color: var(--text-primary);
    line-height: 1.5;
    font-size: 14px;
}

/* =================================================================
   CSS CUSTOM PROPERTIES (VARIABLES)
   ================================================================= */

:root {
    /* Color Palette */
    --background-color: #1a1a1a;
    --content-bg: #2d2d2d;
    --secondary-bg: #3a3a3a;
    --sidebar-bg: #242424;
    --tile-bg: #2d2d2d;
    --input-bg: #3a3a3a;

    /* Borders & Lines */
    --border-color: #404040;
    --sidebar-border: #404040;
    --tile-border: #404040;
    --input-border: #5f6368;
    --input-border-focus: #8ab4f8;

    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #b3b3b3;
    --text-muted: #888888;

    /* Interactive Colors */
    --accent-blue: #3b82f6;
    --accent-blue-hover: #aecbfa;
    --success-color: #22c55e;
    --warning-color: #f59e0b;
    --error-color: #ef4444;

    /* Interactive States */
    --sidebar-link-hover: #404040;
    --button-bg: #8ab4f8;
    --button-text: #ffffff;

    /* Shadows */
    --shadow-light: rgba(0, 0, 0, 0.3);
    --shadow-medium: rgba(0, 0, 0, 0.5);

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 12px;
    --spacing-lg: 16px;
    --spacing-xl: 24px;
    --spacing-xxl: 32px;
    --spacing-xxxl: 48px;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
}

/* Dark Theme Overrides */
[data-theme="dark"] {
    --background-color: #1f1f1f;
    --content-bg: #1f1f1f;
    --secondary-bg: #2d2d2d;
    --sidebar-bg: #2d2d2d;
    --tile-bg: #303134;
    --input-bg: #303134;
    --border-color: #3c4043;
    --tile-border: #3c4043;
    --text-primary: #e8eaed;
    --text-secondary: #9aa0a6;
    --text-muted: #5f6368;
    --accent-blue: #8ab4f8;
    --success-color: #81c995;
    --warning-color: #fdd663;
    --error-color: #f28b82;
    --sidebar-link-hover: rgba(138, 180, 248, 0.08);
    --shadow-light: rgba(0, 0, 0, 0.2);
    --shadow-medium: rgba(0, 0, 0, 0.3);
    --button-text: #1f1f1f;
}

/* =================================================================
   LAYOUT CONTAINERS
   ================================================================= */

.app-container,
.main-container {
    display: flex;
    flex: 1;
}

.app-container {
    min-height: 100vh;
}

.content {
    flex: 1;
    padding: var(--spacing-xl);
    background-color: var(--secondary-bg);
    min-height: calc(100vh - 73px);
}

/* =================================================================
   HEADER COMPONENT
   ================================================================= */

.header {
    background-color: var(--content-bg);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-lg) var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 3px var(--shadow-light);
    max-height: 73px;
}

.logo {
    font-size: 22px;
    font-weight: 500;
    color: var(--text-primary);
    margin: 0;
}

.header-logo {
    position: fixed;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    height: 175px;
    width: auto;
    z-index: 101;
    pointer-events: none;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-xl);
    font-size: 14px;
    font-weight: 500;
}

.nav-link:hover {
    background-color: var(--sidebar-link-hover);
    color: var(--accent-blue);
}

/* =================================================================
   USER PROFILE IN HEADER (New)
   ================================================================= */
.user-profile {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-left: var(--spacing-lg);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    object-fit: cover;
    background-color: var(--secondary-bg);
}

.user-nickname {
    font-weight: 500;
    color: var(--text-secondary);
}


/* =================================================================
   SIDEBAR COMPONENT
   ================================================================= */

.sidebar {
    width: 280px;
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--border-color);
    padding: var(--spacing-xl) 0;
    overflow-y: auto;
    position: sticky;
}

.sidebar-nav {
    padding: 0 var(--spacing-md);
}

.sidebar-link {
    display: flex;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    position: relative;
}

.sidebar-link:hover {
    background-color: var(--sidebar-link-hover);
    color: var(--accent-blue);
}

.sidebar-link.active {
    background-color: var(--accent-blue);
    color: var(--button-text);
}

.sidebar-icon {
    margin-right: var(--spacing-md);
    font-size: 20px;
    width: 24px;
    text-align: center;
}

/* =================================================================
   MAIN CONTENT & PAGE HEADER
   ================================================================= */

.page-header {
    margin-bottom: var(--spacing-xxl);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.page-header h2 {
    font-size: 32px;
    font-weight: 400;
    margin: 0;
}

.refresh-info {
    color: var(--text-muted);
    font-size: 14px;
    margin-top: var(--spacing-xs);
}

.header-actions {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    flex-wrap: wrap;
}

/* =================================================================
   DASHBOARD & CARDS
   ================================================================= */

.dashboard-tiles {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xxl);
}

.dashboard-tile {
    background-color: var(--tile-bg);
    border: 1px solid var(--tile-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 1px 3px var(--shadow-light);
}

.dashboard-tile:hover {
    box-shadow: 0 4px 12px var(--shadow-medium);
}

.tile-header {
    max-height: 60px;
    padding: 20px var(--spacing-xl) var(--spacing-lg);
    border-bottom: 1px solid var(--tile-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.tile-header h3 {
    font-size: 16px;
    font-weight: 500;
    margin: 0;
}

.tile-content {
    padding: 20px var(--spacing-xl);
}

/* =================================================================
   BUTTONS & INTERACTIVE ELEMENTS
   ================================================================= */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background-color: var(--input-bg);
    color: var(--text-primary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    gap: var(--spacing-sm);
}

.btn:hover {
    background-color: var(--sidebar-link-hover);
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}

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

.btn-primary:hover {
    background-color: var(--accent-blue-hover);
    border-color: var(--accent-blue-hover);
    color: var(--button-text);
}

.btn-add {
    background-color: var(--success-color);
    color: white;
    border-color: var(--success-color);
}

.btn-refresh {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 13px;
}

.btn-expand {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 12px;
    min-width: auto;
}

.btn-file-action {
    width: 32px;
    height: 32px;
    color: var(--text-secondary);
}

/* =================================================================
   THEME TOGGLE
   ================================================================= */

.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-sm) var(--spacing-md);
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 14px;
    min-width: 40px;
    height: 32px;
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    background-color: var(--sidebar-link-hover);
    border-color: var(--accent-blue);
    color: var(--accent-blue);
    transform: scale(1.05);
}

.theme-toggle:active {
    transform: scale(0.95);
}

#theme-icon {
    transition: transform 0.3s ease;
    display: block;
}

.theme-toggle:hover #theme-icon {
    transform: rotate(180deg);
}

/* =================================================================
   FORM ELEMENTS
   ================================================================= */

.form-group {
    margin-bottom: var(--spacing-xl);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    border: 1px solid var(--input-border);
    border-radius: var(--radius-sm);
    background-color: var(--input-bg);
    color: var(--text-primary);
    font-size: 14px;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--input-border-focus);
    box-shadow: 0 0 0 2px rgba(26, 115, 232, 0.1);
}

/* =================================================================
   STATUS INDICATORS & MESSAGES
   ================================================================= */

.status-indicator {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
}

.status-indicator.running {
    background-color: rgba(52, 168, 83, 0.1);
    color: var(--success-color);
}

.status-indicator.stopped,
.status-indicator.error {
    background-color: rgba(234, 67, 53, 0.1);
    color: var(--error-color);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: currentColor;
}

.error-message,
.login-error {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: 20px;
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(234, 67, 53, 0.15);
    color: var(--error-color);
    border-radius: var(--radius-md);
    border: 1px solid rgba(234, 67, 53, 0.3);
    backdrop-filter: blur(10px);
}

.error-icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

/* =================================================================
   LOGIN PAGE
   ================================================================= */

body.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh !important;
    background-image: url('/static/media/bg.webp') !important;
    background-size: cover !important;
    background-position: center !important;
    background-repeat: no-repeat !important;
    background-attachment: fixed !important;
    position: relative;
}

body.login-page::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1;
}

[data-theme="dark"] body.login-page::before {
    background: rgba(0, 0, 0, 0.6);
}

.login-container {
    width: 100%;
    max-width: 420px;
    position: relative;
    z-index: 2;
    padding: 20px;
}

.login-card {
    background: rgba(255, 255, 255, 0.95) !important;
    border-radius: var(--radius-xl);
    padding: var(--spacing-xxxl) 40px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    text-align: center;
    animation: loginCardAppear 0.8s ease-out;
    will-change: transform, opacity;
}

[data-theme="dark"] .login-card {
    background: rgba(30, 30, 30, 0.95) !important;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.login-header {
    margin-bottom: 40px;
}

.login-title {
    font-size: var(--spacing-xxxl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    letter-spacing: -1px;
    background: linear-gradient(135deg, var(--accent-blue), #667eea);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

[data-theme="dark"] .login-title {
    background: linear-gradient(135deg, var(--accent-blue), #aecbfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-subtitle {
    font-size: 16px;
    color: var(--text-secondary);
    font-weight: 400;
}

.login-content {
    margin-bottom: var(--spacing-xxl);
}

.discord-login-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    width: 100%;
    padding: var(--spacing-lg) var(--spacing-xl);
    background: #5865F2;
    color: white;
    text-decoration: none;
    border-radius: var(--radius-lg);
    font-size: 16px;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(88, 101, 242, 0.4);
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.discord-login-btn:before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.discord-login-btn:hover {
    background: #4752C4;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(88, 101, 242, 0.5);
    color: white;
}

.discord-login-btn:hover:before {
    left: 100%;
}

.discord-login-btn:active {
    transform: translateY(0);
}

.discord-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.login-text {
    font-weight: 600;
    letter-spacing: 0.025em;
}

.login-footer {
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
}

.login-help {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.5;
}

body.login-page .theme-toggle {
    position: fixed;
    top: var(--spacing-xl);
    right: var(--spacing-xl);
    z-index: 1000;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    width: var(--spacing-xxxl);
    height: var(--spacing-xxxl);
    border-radius: 50%;
    font-size: 20px;
}

body.login-page .theme-toggle:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

/* =================================================================
   HOME DASHBOARD & QUICK LINKS
   ================================================================= */

.home-dashboard {
    max-width: 1200px;
}

.welcome-section h3 {
    font-size: 20px;
    font-weight: 500;
    margin-bottom: var(--spacing-xl);
}

.quick-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.quick-link-card {
    display: flex;
    flex-direction: column;
    padding: var(--spacing-xl);
    background-color: var(--tile-bg);
    border: 1px solid var(--tile-border);
    border-radius: var(--radius-lg);
    text-decoration: none;
    box-shadow: 0 1px 3px var(--shadow-light);
}

.quick-link-card:hover {
    box-shadow: 0 4px 12px var(--shadow-medium);
    transform: translateY(-2px);
}

.quick-link-icon {
    font-size: 32px;
    margin-bottom: var(--spacing-lg);
}

.quick-link-title {
    font-size: 18px;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.quick-link-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* =================================================================
   FILE LISTS & VIEWS
   ================================================================= */

.recent-files-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.recent-file-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--secondary-bg);
    border-radius: var(--radius-md);
    border: 1px solid var(--tile-border);
}

.recent-file-item:hover {
    background-color: var(--sidebar-link-hover);
    border-color: var(--accent-blue);
}

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

.file-name {
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

.file-meta {
    display: flex;
    gap: var(--spacing-md);
    font-size: 12px;
    color: var(--text-muted);
}

.file-size {
    font-weight: 500;
}

.file-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.no-files {
    text-align: center;
    color: var(--text-muted);
    padding: var(--spacing-xxl) 0;
    font-style: italic;
}

.file-view .content pre {
    white-space: pre-wrap;
    word-wrap: break-word;
    font-family: 'SF Mono', 'Consolas', 'Menlo', 'monospace';
    background-color: var(--background-color);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 13px;
}

/* =================================================================
   UTILITY & HELPER CLASSES
   ================================================================= */

.no-transition * {
    transition: none !important;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }
.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.p-xl { padding: var(--spacing-xl); }
.d-flex { display: flex; }
.d-block { display: block; }
.d-none { display: none; }
.flex-column { flex-direction: column; }
.flex-row { flex-direction: row; }
.justify-center { justify-content: center; }
.align-center { align-items: center; }
.flex-wrap { flex-wrap: wrap; }
.w-full { width: 100%; }
.h-full { height: 100%; }
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.position-relative { position: relative; }
.position-absolute { position: absolute; }
.position-fixed { position: fixed; }
.z-10 { z-index: 10; }
.z-50 { z-index: 50; }
.z-100 { z-index: 100; }

/* =================================================================
   TRANSITIONS, ANIMATIONS & PERFORMANCE
   ================================================================= */

button, .btn, .nav-link, .sidebar-link, .dashboard-tile,
.quick-link-card, .recent-file-item, .form-input,
.form-textarea, .form-select {
    transition: all 0.2s ease;
}

/* GPU acceleration for animations */
.discord-login-btn,
.quick-link-card,
.dashboard-tile {
    transform: translateZ(0);
}

@keyframes loginCardAppear {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* =================================================================
   RESPONSIVE DESIGN
   ================================================================= */

@media (max-width: 768px) {
    .main-container {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        height: auto;
        position: static;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }

    .sidebar-nav {
        display: flex;
        overflow-x: auto;
        gap: var(--spacing-sm);
        padding: var(--spacing-md);
    }

    .sidebar-link {
        white-space: nowrap;
        margin-bottom: 0;
    }

    .content {
        padding: var(--spacing-lg);
    }

    .dashboard-tiles {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .header-actions {
        width: 100%;
        justify-content: flex-start;
    }

    .recent-file-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }

    .file-actions {
        align-self: flex-end;
    }

    .header-logo {
        height: 120px;
        top: 12px;
    }
}

@media (max-width: 480px) {
    body.login-page {
        background-attachment: scroll !important;
    }

    .login-card {
        padding: var(--spacing-xxl) var(--spacing-xl);
        border-radius: var(--spacing-lg);
        margin: 0 var(--spacing-lg);
    }

    .login-title {
        font-size: 36px;
    }

    .discord-login-btn {
        padding: 14px 20px;
        font-size: 15px;
    }

    body.login-page .theme-toggle {
        top: var(--spacing-lg);
        right: var(--spacing-lg);
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
}


/* =================================================================
   HEADER COMPONENT
   ================================================================= */

.header {
    background-color: var(--content-bg);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-lg) var(--spacing-xl);
    display: flex; /* Establishes a flex container */
    justify-content: space-between; /* Pushes children to opposite ends */
    align-items: center; /* Vertically aligns children */
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 3px var(--shadow-light);
    max-height: 73px;
}

/* Add this to style the left and right containers */
.header-left, .header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg); /* Adds space between items inside */
}

/* =================================================================
   USER PROFILE IN HEADER
   ================================================================= */
.user-profile {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-left: var(--spacing-lg);
}

.user-avatar {
    width: 40px;  /* Increased size for better visibility */
    height: 40px;
    border-radius: 50%; /* This is the key to making the image a circle */
    border: 2px solid var(--accent-blue); /* Adds a colored border */
    object-fit: cover;
    background-color: var(--secondary-bg);
    box-shadow: 0 0 5px rgba(0,0,0,0.4); /* Adds a subtle shadow */
    transition: transform 0.2s ease-in-out; /* Smooth transition for hover effect */
}

.user-avatar:hover {
    transform: scale(1.1); /* Makes the avatar slightly larger on hover */
}

.user-nickname {
    font-weight: 500;
    font-size: 16px; /* Makes the font slightly larger */
    color: var(--text-primary); /* Uses the primary text color for more contrast */
    letter-spacing: 0.5px; /* Adds a little space between letters */
}
.header-nav{
    width:100%
}
.user-profile{
    position:absolute;
    right:50px;
}

/* =================================================================
   CHAT BUBBLE STYLES
   ================================================================= */
#chat-toggle-btn {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    width: 60px;
    height: 60px;
    background-color: var(--accent-blue);
    color: white;
    border-radius: 50%;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 12px var(--shadow-medium);
    z-index: 1001;
    transition: transform 0.2s ease, background-color 0.2s ease;
}

#chat-toggle-btn:hover {
    transform: scale(1.1);
    background-color: var(--accent-blue-hover);
}

#chat-toggle-btn svg {
    transition: opacity 0.2s ease;
    position: absolute;
}

#chat-toggle-btn .hidden {
    opacity: 0;
    pointer-events: none;
}

#chat-container {
    position: fixed;
    bottom: 100px;
    right: var(--spacing-xl);
    width: 350px;
    max-width: 90vw;
    height: 500px;
    max-height: 70vh;
    background-color: var(--content-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 24px var(--shadow-medium);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: opacity 0.3s ease, transform 0.3s ease;
    transform-origin: bottom right;
}

#chat-container.hidden {
    opacity: 0;
    transform: scale(0.95) translateY(10px);
    pointer-events: none;
}

.chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--sidebar-bg);
    border-bottom: 1px solid var(--border-color);
}

.chat-header p {
    font-weight: 500;
    color: var(--text-primary);
}

.chat-header button {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 24px;
    cursor: pointer;
}

#chat-messages {
    flex-grow: 1;
    padding: var(--spacing-lg);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.message {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    max-width: 80%;
    line-height: 1.4;
    word-wrap: break-word;
}

.message.bot {
    background-color: var(--secondary-bg);
    color: var(--text-primary);
    align-self: flex-start;
    border-bottom-left-radius: var(--spacing-xs);
}

.message.user {
    background-color: var(--accent-blue);
    color: white;
    align-self: flex-end;
    border-bottom-right-radius: var(--spacing-xs);
}

.message.bot.thinking span {
    animation: blink 1.4s infinite both;
    display: inline-block;
}
.message.bot.thinking span:nth-child(2) {
    animation-delay: .2s;
}
.message.bot.thinking span:nth-child(3) {
    animation-delay: .4s;
}
@keyframes blink {
    0% { opacity: .2; }
    20% { opacity: 1; }
    100% { opacity: .2; }
}

.chat-input-area {
    display: flex;
    padding: var(--spacing-md);
    border-top: 1px solid var(--border-color);
    background-color: var(--sidebar-bg);
}

#chat-input {
    flex-grow: 1;
    border: none;
    background-color: var(--secondary-bg);
    color: var(--text-primary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
}

#chat-input:focus {
    outline: none;
    box-shadow: 0 0 0 2px var(--accent-blue);
}

#send-btn {
    background: none;
    border: none;
    color: var(--accent-blue);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: 50%;
    margin-left: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

#send-btn:hover {
    background-color: var(--sidebar-link-hover);
}

#send-btn:disabled {
    color: var(--text-muted);
    cursor: not-allowed;
}