/* ==========================================================================
   ZULORA AI - MASTER STYLESHEET (v6.0 - Crisp Daylight Bright Theme)
   Lead Architect: Shiven Panwar
   Theme: Pure White, Light Grays, High Contrast, ZERO Glow Effects
   Architecture: Flexbox/Grid Hybrid, Fully Responsive
   ========================================================================== */

/* --- 1. CORE DESIGN SYSTEM VARIABLES (Bright Theme) --- */
:root {
    /* Clean, Bright Backgrounds */
    --bg-app: #f4f7f9;          /* Very soft, cool gray for the app background */
    --bg-sidebar: #ffffff;      /* Pure white for sidebar */
    --bg-surface: #ffffff;      /* Pure white for cards and floating elements */
    --bg-hover: #f1f5f9;        /* Light slate for hover states */
    --bg-input: #ffffff;        /* Pure white for text input */
    --bg-modal-backdrop: rgba(15, 23, 42, 0.4); /* Dimmed background for modals */
    
    /* Typography Colors (High Contrast for Readability) */
    --text-primary: #0f172a;    /* Near black for primary text */
    --text-secondary: #475569;  /* Slate gray for descriptions */
    --text-tertiary: #64748b;   /* Lighter slate for timestamps/labels */
    --text-muted: #94a3b8;      /* Muted gray for placeholders */
    
    /* Professional Accent Colors (Flat, No Glow) */
    --accent-blue: #2563eb;     /* Professional Royal Blue */
    --accent-blue-hover: #1d4ed8;
    --accent-cyan: #0891b2;
    --accent-purple: #7c3aed;
    --accent-teal: #0d9488;
    
    /* UI Action Colors (Solid, Flat) */
    --action-green: #059669;
    --action-red: #e11d48;
    --action-yellow: #d97706;
    --action-pink: #db2777;
    
    /* Borders & Soft Shadows (Strictly NO Neon/Glow) */
    --border-light: #e2e8f0;    /* Soft gray border */
    --border-medium: #cbd5e1;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
    --shadow-float: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 10px 10px -5px rgba(0, 0, 0, 0.02);
    
    /* Layout Dimensions */
    --sidebar-width: 300px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-pill: 9999px;
    
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
}

/* --- 2. GLOBAL RESET & BASE SETTINGS --- */
* { 
    margin: 0; 
    padding: 0; 
    box-sizing: border-box; 
    -webkit-tap-highlight-color: transparent; 
}

body.zulora-midnight-theme { /* Keeping class name to match your HTML, but styling is bright */
    font-family: var(--font-sans);
    background-color: var(--bg-app);
    color: var(--text-primary);
    height: 100vh; 
    width: 100vw;
    overflow: hidden; 
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

button { 
    cursor: pointer; 
    font-family: inherit; 
    border: none; 
    background: transparent; 
    transition: all 0.2s ease-in-out; 
}

ul { list-style: none; }
a { color: var(--accent-blue); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--accent-blue-hover); text-decoration: underline; }

/* Custom Clean Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: var(--radius-pill); }
::-webkit-scrollbar-thumb:hover { background: #94a3b8; }

/* --- 3. LAYOUT & SIDEBAR --- */
.app-container { 
    display: flex; 
    width: 100%; 
    height: 100%; 
}

.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-light);
    display: flex; 
    flex-direction: column;
    transition: transform 0.3s ease-in-out;
    z-index: 50;
    box-shadow: var(--shadow-sm);
}

.sidebar-header { 
    padding: 1.5rem 1.25rem 1rem; 
}

.brand-title { 
    display: flex; 
    align-items: center; 
    gap: 0.75rem; 
    margin-bottom: 1.25rem; 
}

/* Static, Clean Logo - NO GLOW */
.brand-logo {
    height: 32px;
    width: auto;
    display: block;
    /* Removed all drop-shadows and glowing animations */
}

/* Fallback icon if logo image is missing */
.brand-icon {
    color: var(--accent-blue);
    font-size: 1.8rem !important;
}

.brand-title h2 {
    font-size: 1.25rem; 
    font-weight: 700; 
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

/* Search Box */
.search-box {
    display: flex; 
    align-items: center;
    background: var(--bg-app);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    padding: 0.6rem 0.8rem;
    transition: all 0.2s ease;
}

.search-box:focus-within { 
    border-color: var(--accent-blue); 
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1); 
    background: var(--bg-surface); 
}

.search-icon { color: var(--text-tertiary); font-size: 1.2rem !important; }

.search-box input { 
    border: none; 
    outline: none; 
    background: transparent; 
    width: 100%; 
    margin-left: 0.5rem; 
    color: var(--text-primary); 
    font-size: 0.9rem; 
}

.search-box input::placeholder { color: var(--text-muted); }

/* Navigation Buttons */
.sidebar-actions { 
    padding: 0.5rem 1.25rem; 
    display: flex; 
    flex-direction: column; 
    gap: 0.25rem; 
}

.menu-btn { 
    display: flex; 
    align-items: center; 
    gap: 0.75rem; 
    padding: 0.6rem 0.75rem; 
    border-radius: var(--radius-sm); 
    color: var(--text-secondary); 
    font-weight: 500; 
    font-size: 0.95rem; 
    width: 100%; 
    text-align: left; 
}

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

/* Flat Primary Action Button - NO NEON */
.primary-action {
    background: var(--bg-surface);
    border: 1px solid var(--border-light);
    color: var(--text-primary); 
    font-weight: 600; 
    box-shadow: var(--shadow-sm); 
    margin-bottom: 0.5rem;
}

.primary-action:hover { 
    background: var(--bg-hover);
    border-color: var(--border-medium);
}

/* History Section */
.chat-history-container { 
    flex-grow: 1; 
    overflow-y: auto; 
    padding: 1rem 1.25rem; 
    display: flex; 
    flex-direction: column; 
    gap: 1.5rem; 
}

.history-category { display: flex; flex-direction: column; gap: 0.25rem; }

.history-date-label { 
    font-size: 0.75rem; 
    color: var(--text-tertiary); 
    font-weight: 700; 
    text-transform: uppercase; 
    letter-spacing: 0.05em; 
    margin-bottom: 0.25rem; 
    padding-left: 0.5rem; 
}

.history-list { display: flex; flex-direction: column; gap: 0.1rem; }

.history-item { 
    padding: 0.5rem 0.75rem; 
    border-radius: var(--radius-sm); 
    font-size: 0.9rem; 
    color: var(--text-secondary); 
    cursor: pointer; 
    white-space: nowrap; 
    overflow: hidden; 
    text-overflow: ellipsis; 
}

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

.history-item.active { 
    background: rgba(37, 99, 235, 0.1); 
    color: var(--accent-blue); 
    font-weight: 600; 
}

.empty-history-msg { 
    padding: 0.5rem 0.75rem; 
    font-size: 0.85rem; 
    color: var(--text-muted); 
    font-style: italic; 
}

/* Sidebar Footer Profile */
.sidebar-footer { 
    padding: 1rem 1.25rem; 
    border-top: 1px solid var(--border-light); 
    background: var(--bg-sidebar); 
}

.profile-btn { 
    display: flex; 
    align-items: center; 
    width: 100%; 
    gap: 0.75rem; 
    padding: 0.5rem; 
    border-radius: var(--radius-sm); 
    text-align: left; 
}

.profile-btn:hover { background: var(--bg-hover); }

/* Flat Avatar - NO GLOW */
.avatar-gradient { 
    background: var(--accent-blue); 
}

.avatar-circle { 
    width: 36px; 
    height: 36px; 
    min-width: 36px; 
    border-radius: 50%; 
    color: white; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    font-weight: 600; 
    font-size: 1rem; 
}

.profile-info { flex-grow: 1; display: flex; flex-direction: column; overflow: hidden; }
.profile-name { font-weight: 600; font-size: 0.9rem; color: var(--text-primary); }
.profile-plan { font-size: 0.75rem; color: var(--text-tertiary); }
.toggle-icon { color: var(--text-tertiary); font-size: 1.2rem !important; }

/* --- 4. MAIN CHAT AREA & HEADER --- */
.main-chat-area { 
    flex-grow: 1; 
    display: flex; 
    flex-direction: column; 
    position: relative; 
    background: var(--bg-app); 
    min-width: 0; 
}

/* Light Glass Effect */
.glass-effect { 
    background: rgba(255, 255, 255, 0.9); 
    backdrop-filter: blur(12px); 
    -webkit-backdrop-filter: blur(12px); 
    border-bottom: 1px solid var(--border-light); 
}

.chat-header { 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    padding: 1rem 1.5rem; 
    height: 64px; 
    z-index: 10; 
}

.mobile-menu-trigger { 
    display: none; 
    cursor: pointer; 
    color: var(--text-secondary); 
    padding: 0.5rem; 
    border-radius: var(--radius-sm); 
}

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

.model-selector-btn { 
    display: flex; 
    align-items: center; 
    gap: 0.25rem; 
    font-weight: 600; 
    font-size: 1.1rem; 
    color: var(--text-primary); 
    padding: 0.5rem 0.75rem; 
    border-radius: var(--radius-sm); 
}

.model-selector-btn:hover { background: var(--bg-hover); }

.header-actions { display: flex; align-items: center; gap: 0.5rem; }

/* Flat Login Button */
.login-prompt-btn { 
    background: var(--accent-blue); 
    border: 1px solid var(--accent-blue); 
    color: #ffffff; 
    padding: 0.5rem 1.25rem; 
    border-radius: var(--radius-pill); 
    font-weight: 600; 
    font-size: 0.9rem; 
}

.login-prompt-btn:hover { 
    background: var(--accent-blue-hover); 
}

.disabled-feature { opacity: 0.5; cursor: not-allowed; }

/* --- 5. WELCOME SCREEN & INTERACTIVE CARDS --- */
.welcome-screen { 
    flex-grow: 1; 
    display: flex; 
    flex-direction: column; 
    align-items: center; 
    justify-content: center; 
    padding: 2rem; 
    overflow-y: auto; 
    animation: fadeIn 0.3s ease-out; 
}

.welcome-logo-area { margin-bottom: 1.5rem; }

/* Large Avatar - NO PULSING GLOW */
.large-avatar-circle { 
    background: #e0e7ff; /* Soft light blue */
    color: var(--accent-blue);
    width: 64px; 
    height: 64px; 
    font-size: 2rem; 
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    /* Removed pulseGlow animation */
}

.greeting-text { 
    font-size: 2rem; 
    font-weight: 700; 
    margin-bottom: 2.5rem; 
    color: var(--text-primary); 
    text-align: center; 
    letter-spacing: -0.02em; 
}

.suggestion-grid { 
    display: grid; 
    grid-template-columns: repeat(2, 1fr); 
    gap: 1rem; 
    max-width: 700px; 
    width: 100%; 
}

/* Flat, Clean Cards */
.suggestion-card { 
    display: flex; 
    align-items: flex-start; 
    gap: 1rem; 
    padding: 1.25rem; 
    background: var(--bg-surface); 
    border: 1px solid var(--border-light); 
    border-radius: var(--radius-md); 
    text-align: left; 
    box-shadow: var(--shadow-sm);
}

.suggestion-card:hover { 
    border-color: var(--border-medium); 
    box-shadow: var(--shadow-md); 
    background: var(--bg-hover);
}

/* Flat Icon Backgrounds for Cards */
.card-icon-wrapper { 
    width: 44px; 
    height: 44px; 
    border-radius: 10px; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    flex-shrink: 0; 
}

.tint-green { background: #d1fae5; color: var(--action-green); }
.tint-blue { background: #dbeafe; color: var(--accent-blue); }
.tint-yellow { background: #fef3c7; color: var(--action-yellow); }
.tint-red { background: #fee2e2; color: var(--action-red); }

.card-text { display: flex; flex-direction: column; gap: 0.2rem; }
.card-title { font-weight: 600; font-size: 0.95rem; color: var(--text-primary); }
.card-desc { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.4; }

/* --- 6. LOADER (Anti-Freeze) --- */
.generation-loader {
    position: absolute;
    top: 64px; 
    left: 0;
    width: 100%;
    height: calc(100% - 64px - 100px); 
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 20;
    animation: fadeIn 0.2s ease;
}

.loader-content { display: flex; flex-direction: column; align-items: center; text-align: center; }

/* Simple, clean spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-light);
    border-left-color: var(--accent-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

.loader-content h3 { font-size: 1.2rem; color: var(--text-primary); margin-bottom: 0.25rem; }
.loader-content p { color: var(--text-secondary); font-size: 0.9rem; }

/* --- 7. CHAT DISPLAY & BUBBLES --- */
.chat-display { 
    flex-grow: 1; 
    overflow-y: auto; 
    padding: 2rem 1.5rem; 
    display: flex; 
    flex-direction: column; 
    gap: 1.5rem; 
    scroll-behavior: smooth; 
}

.message-row { 
    display: flex; 
    gap: 1rem; 
    max-width: 800px; 
    margin: 0 auto; 
    width: 100%; 
    animation: slideUpFade 0.2s ease-out forwards; 
}

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

.message-bubble { 
    padding: 1rem 1.25rem; 
    border-radius: var(--radius-lg); 
    line-height: 1.6; 
    font-size: 1rem; 
    max-width: 85%; 
}

.ai-message .message-bubble { 
    background: var(--bg-surface); 
    color: var(--text-primary); 
    border: 1px solid var(--border-light); 
    box-shadow: var(--shadow-sm); 
}

.user-message .message-bubble { 
    background: var(--bg-input); 
    color: var(--text-primary); 
    border: 1px solid var(--border-light); 
    border-radius: var(--radius-lg) var(--radius-lg) 0 var(--radius-lg); 
}

/* --- 8. INPUT SECTION & FLOATING MENUS --- */
.input-section { 
    padding: 1rem 2rem 1.5rem; 
    max-width: 840px; 
    margin: 0 auto; 
    width: 100%; 
    position: relative; 
    background: transparent; 
}

/* Flat Input Box */
.input-wrapper { 
    display: flex; 
    align-items: flex-end; 
    border-radius: var(--radius-lg); 
    padding: 0.6rem 0.6rem 0.6rem 1rem; 
    background: var(--bg-surface);
    border: 1px solid var(--border-light); 
    box-shadow: var(--shadow-md); 
    gap: 0.5rem; 
}

.input-wrapper:focus-within { 
    border-color: var(--accent-blue); 
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08); 
}

.icon-btn { 
    color: var(--text-tertiary); 
    padding: 0.5rem; 
    border-radius: 50%; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    margin-bottom: 2px; 
}

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

.input-wrapper textarea { 
    flex-grow: 1; 
    border: none; 
    background: transparent; 
    outline: none; 
    resize: none; 
    padding: 0.75rem 0; 
    font-family: inherit; 
    font-size: 1rem; 
    color: var(--text-primary); 
    max-height: 200px; 
    line-height: 1.5; 
}

.input-wrapper textarea::placeholder { color: var(--text-muted); }

/* Solid Send Button */
.send-btn { 
    background: var(--text-primary); 
    color: var(--bg-surface); 
    width: 40px; 
    height: 40px; 
    border-radius: 50%; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    margin-bottom: 3px; 
    margin-right: 3px; 
}

.send-btn:hover { background: var(--text-secondary); }

/* Action Icons inside Menus */
.action-blue { color: var(--accent-blue) !important; }
.action-green { color: var(--action-green) !important; }
.action-purple { color: var(--accent-purple) !important; }
.action-pink { color: var(--action-pink) !important; }
.action-red { color: var(--action-red) !important; }

/* Flat Popup Menus */
.popup-menu { 
    position: absolute; 
    bottom: calc(100% - 10px); 
    left: 2rem; 
    background: var(--bg-surface);
    border: 1px solid var(--border-light); 
    border-radius: var(--radius-md); 
    padding: 0.5rem; 
    min-width: 240px; 
    z-index: 50; 
    box-shadow: var(--shadow-float); 
}

.popup-header { 
    font-size: 0.75rem; 
    font-weight: 700; 
    color: var(--text-tertiary); 
    padding: 0.5rem 1rem 0.5rem; 
    text-transform: uppercase; 
    border-bottom: 1px solid var(--border-light); 
    margin-bottom: 0.25rem; 
}

.popup-item { 
    display: flex; 
    align-items: center; 
    gap: 0.75rem; 
    padding: 0.75rem 1rem; 
    border-radius: var(--radius-sm); 
    color: var(--text-primary); 
    font-size: 0.95rem; 
    font-weight: 500; 
    width: 100%; 
    text-align: left; 
}

.popup-item:hover { background: var(--bg-hover); }

.disclaimer-text {
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.75rem;
}

/* --- 9. MODALS & OVERLAYS --- */
.modal-overlay { 
    position: fixed; 
    top: 0; left: 0; width: 100vw; height: 100vh; 
    background: var(--bg-modal-backdrop); 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    z-index: 1000; 
}

/* Light Glass Panel for Modals */
.glass-panel { 
    background: var(--bg-surface); 
    border: 1px solid var(--border-light); 
    box-shadow: var(--shadow-float); 
}

.modal-content { 
    border-radius: var(--radius-lg); 
    width: 90%; 
    max-width: 450px; 
    max-height: 90vh; 
    display: flex; 
    flex-direction: column; 
    animation: modalSlideUp 0.2s ease-out; 
}

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

.modal-header h2 { font-size: 1.15rem; font-weight: 600; color: var(--text-primary); }
.header-title-group { display: flex; align-items: center; gap: 0.5rem; }
.modal-body { padding: 1.5rem; overflow-y: auto; }
.modal-footer { padding: 1rem 1.5rem; border-top: 1px solid var(--border-light); background: var(--bg-app); border-radius: 0 0 var(--radius-lg) var(--radius-lg); }

/* Flat Buttons inside Modals */
.btn-primary { 
    background: var(--text-primary); 
    color: var(--bg-surface); 
    padding: 0.75rem; 
    border-radius: var(--radius-sm); 
    font-weight: 600; 
    font-size: 0.95rem; 
    width: 100%; 
}

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

.btn-secondary { 
    background: var(--bg-surface); 
    color: var(--text-secondary); 
    padding: 0.75rem; 
    border: 1px solid var(--border-light); 
    border-radius: var(--radius-sm); 
    font-weight: 600; 
    width: 100%; 
}

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

/* Modals Specifics */
.auth-layout { text-align: center; padding: 2.5rem 2rem; }
.auth-icon-container { background: #fef3c7; width: 64px; height: 64px; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 1.25rem; }
.auth-icon { font-size: 2rem !important; color: #d97706; }
.flex-center { display: flex; align-items: center; justify-content: center; background-color: white; color: black; border: 1px solid var(--border-medium); margin-bottom: 0.75rem;}
.flex-center:hover { background-color: var(--bg-hover); }

.settings-profile-card { padding: 2rem 1.5rem; border-bottom: 1px solid var(--border-light); display: flex; flex-direction: column; align-items: center; background: var(--bg-app);}
.avatar-large { width: 64px; height: 64px; border-radius: 50%; background: var(--accent-blue); color: white; font-size: 1.5rem; display: flex; align-items: center; justify-content: center; margin-bottom: 0.75rem; }
.settings-group { padding: 1.5rem; border-bottom: 1px solid var(--border-light); }
.settings-group h4 { font-size: 0.75rem; color: var(--text-tertiary); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 1rem; }
.setting-row { display: flex; align-items: center; gap: 1rem; width: 100%; padding: 0.75rem 0; color: var(--text-primary); font-weight: 500;}
.interactive-row { padding: 0.75rem; border-radius: var(--radius-sm); margin-left: -0.75rem; width: calc(100% + 1.5rem); }
.interactive-row:hover { background: var(--bg-hover); }
.setting-info { display: flex; flex-direction: column; text-align: left; }
.setting-info small { color: var(--text-secondary); font-size: 0.85rem; font-weight: 400;}
.chevron-right { margin-left: auto; color: var(--text-tertiary); }
.logout-btn { color: var(--action-red); display: flex; align-items: center; justify-content: center; gap: 0.5rem; width: 100%; padding: 0.75rem; font-weight: 600; background: #fee2e2; border-radius: var(--radius-sm); margin-top: 1rem;}

.legal-layout { max-width: 600px; height: 85vh; }
.legal-document { padding: 0; }
.legal-section { margin-bottom: 2rem; }
.legal-section h3 { font-size: 1.05rem; color: var(--text-primary); margin-bottom: 0.75rem; padding-bottom: 0.25rem; border-bottom: 1px solid var(--border-light);}
.legal-section p, .legal-section li { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.6; margin-bottom: 0.5rem; }
.last-updated { font-size: 0.8rem; color: var(--text-tertiary); text-align: right; margin-bottom: 1.5rem; font-style: italic;}

.about-hero { background: var(--bg-hover); color: var(--text-primary); padding: 2rem; text-align: center; border-radius: var(--radius-lg) var(--radius-lg) 0 0; border-bottom: 1px solid var(--border-light);}
.huge-icon { font-size: 3rem !important; color: var(--accent-blue); margin-bottom: 0.5rem; }
.about-desc { color: var(--text-secondary); line-height: 1.5; margin-bottom: 1.5rem; font-size: 0.95rem; }
.founder-card { background: var(--bg-app); padding: 1.25rem; border-radius: var(--radius-md); position: relative; margin-bottom: 1.5rem; border: 1px solid var(--border-light); }
.founder-badge { position: absolute; top: -10px; left: 50%; transform: translateX(-50%); background: var(--text-primary); color: var(--bg-surface); padding: 0.15rem 0.75rem; border-radius: var(--radius-pill); font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; }
.contact-list { display: flex; flex-direction: column; gap: 0.5rem; align-items: center; }
.contact-list li { display: flex; align-items: center; gap: 0.5rem; color: var(--text-secondary); font-size: 0.9rem;}

/* --- 10. ANIMATIONS (Clean, No Glow) --- */
.hidden { display: none !important; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes modalSlideUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes slideUpFade { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* --- 11. MOBILE RESPONSIVENESS --- */
@media (max-width: 768px) {
    .sidebar { position: fixed; left: 0; top: 0; height: 100vh; transform: translateX(-100%); box-shadow: 4px 0 15px rgba(0,0,0,0.1); }
    .sidebar.open { transform: translateX(0); }
    .mobile-menu-trigger { display: block; }
    .chat-header { padding: 1rem; }
    .suggestion-grid { grid-template-columns: 1fr; }
    .greeting-text { font-size: 1.75rem; }
    .input-section { padding: 0.5rem 1rem 1rem; }
    .popup-menu { left: 1rem; right: 1rem; bottom: 85px; min-width: auto; }
}