/* Modern CSS Reset and Variables */
:root {
    /* ============================================
       CLOUDLINE MODERN PALETTE - DO NOT OVERRIDE
       Colors inherited from artemis-design-system.css
       ============================================ */
    /* Primary Colors - Cloudline Modern */
    --primary: #9ED9F5;           /* Pale Blue - light, airy, digital */
    --primary-dark: #7AC5E8;      /* Moonlit Blue - darker variant */
    --secondary: #CBE8F6;         /* Arctic Blue - enhances clarity */
    --accent: #8E7CC3;            /* Electric Violet - futuristic spark */

    /* Status Colors (preserved) */
    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;
    --info: #3B82F6;

    /* Neutral Colors */
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;

    /* Dark Mode Colors - Cloudline Modern */
    --dark-bg: #0F1419;          /* Deep Charcoal - rich dark foundation */
    --dark-surface: #1A1F2E;     /* Elevated surface */
    --dark-surface-2: #1E2A3A;   /* Deep Night Blue - midnight layer */
    --dark-border: #3A4556;      /* Slate Gray - subtle dividers */

    /* Base color for gradients */
    --base: #FFFFFF;             /* White - clean foundation */

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --font-size-xs: 12px;
    --font-size-sm: 14px;
    --font-size-base: 16px;
    --font-size-lg: 18px;
    --font-size-xl: 20px;
    --font-size-2xl: 24px;
    --font-size-3xl: 30px;
    --font-size-4xl: 36px;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Mode Variables - Cloudline Modern */
[data-theme="dark"] {
    /* Override colors for dark mode */
    --primary: #7AC5E8;          /* Moonlit Blue - glowing interactive elements */
    --primary-dark: #9ED9F5;     /* Brighter on hover */
    --secondary: #1E2A3A;        /* Deep Night Blue - midnight layer */
    --accent: #A08DD6;           /* Bright Violet - aurora highlights */
    --base: #0F1419;             /* Deep Charcoal - rich dark foundation */

    /* Gray scale inverted for dark mode */
    --gray-50: #111827;
    --gray-100: #1F2937;
    --gray-200: #374151;
    --gray-300: #4B5563;
    --gray-400: #6B7280;
    --gray-500: #9CA3AF;
    --gray-600: #D1D5DB;
    --gray-700: #E5E7EB;
    --gray-800: #F3F4F6;
    --gray-900: #F9FAFB;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    /* Cloudline Modern - Light: Ethereal sky gradient */
    background: linear-gradient(135deg, var(--secondary) 0%, var(--base) 50%, var(--secondary) 100%);
    color: var(--gray-900);
    line-height: 1.6;
    height: 100vh;
    max-height: 100vh;
    overflow-x: hidden; /* Prevent horizontal scroll, allow vertical scroll */
    overflow-y: auto;
}

[data-theme="dark"] body {
    /* Cloudline Modern - Dark: Night sky with moonlit aurora */
    background: linear-gradient(135deg, var(--base) 0%, var(--secondary) 50%, var(--base) 100%);
    color: var(--gray-600);
}

/* Glass Morphism Effect */
.glass-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-xl);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
}

[data-theme="dark"] .glass-card {
    background: rgba(30, 41, 59, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Header - Cloudline Modern */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    /* Cloudline Modern: Pale Blue → Arctic Blue gradient */
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(158, 217, 245, 0.5);
    box-shadow: 0 2px 8px rgba(158, 217, 245, 0.15);
    position: sticky;
    top: 0;
    z-index: 100;
}

[data-theme="dark"] .header {
    /* Cloudline Modern Dark: Deep Night Blue → Deep Charcoal gradient */
    background: linear-gradient(135deg, var(--secondary) 0%, var(--base) 100%);
    border-bottom: 1px solid rgba(122, 197, 232, 0.2);
    box-shadow: 0 4px 16px rgba(122, 197, 232, 0.2);
}

.header-left,
.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.header-center {
    flex: 1;
    text-align: center;
}

.menu-toggle {
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    color: var(--gray-700);
    font-size: 20px;
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.menu-toggle:hover {
    background: var(--gray-100);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 700;
    font-size: var(--font-size-xl);
    color: var(--primary);
}

.logo-icon {
    width: 32px;
    height: 32px;
}

.logo-text {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--gray-800);
}

[data-theme="dark"] .page-title {
    color: var(--gray-700);
}

.header-btn {
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    color: var(--gray-600);
    font-size: 18px;
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    position: relative;
}

/* Fix P0: Header button icons should be 18px for readability */
.header-btn i,
.header-btn .fas,
.header-btn .fa {
    font-size: 18px !important;
}

.header-btn:hover {
    background: var(--gray-100);
    color: var(--gray-800);
}

.notification-badge {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 16px;
    height: 16px;
    background: var(--danger);
    color: white;
    font-size: 10px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.connect-btn,
.export-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--gray-300);
    background: white;
    color: var(--gray-700);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.connect-btn {
    border-color: var(--gray-300);
    color: var(--gray-600);
    background: var(--gray-50);
}

/* Dynamic connection states */
.connect-btn.connected {
    border-color: var(--success);
    color: var(--success);
    background: rgba(16, 185, 129, 0.1);
}

.connect-btn.disconnected {
    border-color: var(--warning);
    color: var(--warning);
    background: rgba(245, 158, 11, 0.1);
}

.connect-btn.error {
    border-color: var(--danger);
    color: var(--danger);
    background: rgba(239, 68, 68, 0.1);
}

.connect-btn:hover {
    opacity: 0.8;
    cursor: default;
}

.export-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

/* Fix P0: Connect and export button icons should be 18px for readability - Deployment v2 Oct 28 2025 */
.connect-btn i,
.connect-btn .fas,
.connect-btn .fa,
.export-btn i,
.export-btn .fas,
.export-btn .fa {
    font-size: 18px !important;
}

/* App Container */
.app-container {
    display: flex;
    height: calc(100vh - 73px); /* Fixed: Match artemis-global-layout.css header height - Oct 29 2025 */
    max-height: calc(100vh - 73px);
    overflow-x: hidden;
    overflow-y: auto; /* Allow vertical scroll */
}

/* Sidebar */
.sidebar {
    width: 200px;  /* Changed from 240px to match index.html and ai-assistant.html - Oct 29 2025 */
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-right: 1px solid rgba(255, 255, 255, 0.2);
    /* padding removed - artemis-global-layout.css handles nav padding consistently - Oct 29 2025 */
    transition: transform var(--transition-base);
}

[data-theme="dark"] .sidebar {
    background: rgba(30, 41, 59, 0.95);  /* Changed from slate-900 to slate-800 (#1e293b) - Oct 29 2025 */
    border-right: 1px solid rgba(51, 65, 85, 0.8);  /* Match header border for perfect alignment */
}

.sidebar.collapsed {
    transform: translateX(-100%);
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    color: var(--gray-600);
    text-decoration: none;
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    font-weight: 500;
}

.nav-item:hover {
    background: var(--gray-100);
    color: var(--gray-900);
}

/* Removed conflicting active state - artemis-global-layout.css handles this consistently - Oct 29 2025 */
/*.nav-item.active {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
}*/

.nav-item i {
    width: 20px;
    text-align: center;
}

/* Dark Mode Navigation Styles - Oct 26 2025: Fix navigation panel not matching dark mode */
[data-theme="dark"] .nav-item {
    color: var(--gray-500); /* Light gray text for dark background */
}

[data-theme="dark"] .nav-item:hover {
    background: var(--gray-200); /* Slightly lighter dark background on hover */
    color: var(--gray-700); /* Even lighter text on hover */
}

[data-theme="dark"] .nav-item.active {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white; /* Keep white text on gradient background */
}

/* Dark Mode Class Support (.dark-mode) - Oct 26 2025 */
.dark-mode .sidebar {
    background: rgba(30, 41, 59, 0.95);  /* Changed from slate-900 to slate-800 (#1e293b) - Oct 29 2025 */
    border-right: 1px solid rgba(51, 65, 85, 0.8);  /* Match header border for perfect alignment */
}

.dark-mode .nav-item {
    color: rgb(156, 163, 175); /* Light gray text (gray-400) */
}

.dark-mode .nav-item:hover {
    background: rgb(55, 65, 81); /* Dark gray background (gray-700) */
    color: rgb(229, 231, 235); /* Very light text (gray-200) */
}

.dark-mode /* Removed conflicting active state - artemis-global-layout.css handles this consistently - Oct 29 2025 */
/*.nav-item.active {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
}*/

/* Main Content */
.main-content {
    flex: 1;
    padding: var(--spacing-md);
    padding-bottom: var(--spacing-xl); /* Add breathing room at bottom */
    overflow-y: auto;
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-lg);
    /* Cloudline Modern - Light: Pale Blue to Arctic Blue gradient */
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: var(--radius-lg);
    box-shadow: var(--artemis-shadow-lg);
}

[data-theme="dark"] .content-grid {
    /* Cloudline Modern - Dark: Deep moonlit gradient */
    background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.2) 0%, rgba(var(--secondary-rgb), 0.1) 100%);
}

/* Budget Card */
.budget-card {
    padding: 4px; /* Ultra-minimal - 1/4 original size - Oct 29 2025 */
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2px; /* Ultra-minimal spacing - Oct 29 2025 */
}

.card-header h2 {
    font-size: 11px; /* Ultra-minimal headers - Oct 29 2025 */
    font-weight: 600;
    color: var(--gray-800);
}

[data-theme="dark"] .card-header h2 {
    color: var(--gray-700);
}

.optimization-indicator {
    display: flex;
    align-items: center;
}

.optimization-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-md);
    background: linear-gradient(135deg, var(--success), #059669);
    color: white;
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.budget-amount {
    display: flex;
    align-items: baseline;
    margin-bottom: 2px; /* Ultra-minimal - Oct 29 2025 */
}

.currency {
    font-size: var(--font-size-base); /* Ultra-minimal - Oct 29 2025 */
    font-weight: 600;
    color: var(--gray-500);
    margin-right: 2px;
}

.amount {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    /* Cloudline Modern - Gradient text effect */
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

[data-theme="dark"] .amount {
    /* Cloudline Modern - Dark: Glowing gradient */
    text-shadow: 0 0 20px rgba(var(--primary-rgb), 0.4);
}

.budget-slider-container {
    margin-bottom: 2px; /* Ultra-minimal - Oct 29 2025 */
}

.budget-slider {
    width: 100%;
    height: 4px; /* Ultra-thin slider - Oct 29 2025 */
    border-radius: var(--radius-full);
    background: var(--gray-200);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

.budget-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 12px; /* Ultra-small thumb - Oct 29 2025 */
    height: 12px; /* Ultra-small thumb - Oct 29 2025 */
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    cursor: pointer;
    box-shadow: 0 1px 4px rgba(99, 102, 241, 0.4);
}

.budget-slider::-moz-range-thumb {
    width: 12px; /* Ultra-small thumb - Oct 29 2025 */
    height: 12px; /* Ultra-small thumb - Oct 29 2025 */
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    cursor: pointer;
    box-shadow: 0 1px 4px rgba(99, 102, 241, 0.4);
}

.slider-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 1px; /* Ultra-minimal - Oct 29 2025 */
    font-size: 9px; /* Ultra-tiny labels - Oct 29 2025 */
    color: var(--gray-500);
}

.budget-metrics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2px; /* Ultra-minimal gap - Oct 29 2025 */
    padding-top: 2px; /* Ultra-minimal padding - Oct 29 2025 */
    border-top: 1px solid var(--gray-200);
}

.metric {
    text-align: center;
}

.metric-label {
    display: block;
    font-size: 8px; /* Ultra-tiny text - Oct 29 2025 */
    color: var(--gray-500);
    margin-bottom: 0;
}

.metric-value {
    font-size: var(--font-size-sm); /* Ultra-minimal - Oct 29 2025 */
    font-weight: 600;
    color: var(--gray-800);
}

[data-theme="dark"] .metric-value {
    color: var(--gray-700);
}

/* Targeting Card */
.targeting-card {
    padding: 4px; /* Ultra-minimal - 1/4 original size - Oct 29 2025 */
}

.add-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.add-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.zip-input-container {
    display: flex;
    gap: 2px; /* Ultra-minimal gap - Oct 29 2025 */
    margin-bottom: 0;
    padding-bottom: 2px; /* Ultra-minimal padding - Oct 29 2025 */
}

.zip-input {
    flex: 1;
    padding: 4px; /* Ultra-minimal padding - Oct 29 2025 */
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 10px; /* Ultra-tiny text - Oct 29 2025 */
    transition: all var(--transition-fast);
}

.zip-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.zip-add-btn {
    width: 22px; /* Ultra-minimal design - Oct 29 2025 */
    height: 22px; /* Ultra-minimal design - Oct 29 2025 */
    border: none;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    font-size: 11px; /* Ultra-tiny icon - Oct 29 2025 */
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.zip-add-btn:hover {
    transform: scale(1.05);
}

.zip-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 2px; /* Ultra-minimal gap - Oct 29 2025 */
    margin-bottom: 2px; /* Ultra-minimal margin - Oct 29 2025 */
    min-height: 12px; /* Ultra-minimal height - Oct 29 2025 */
}

.zip-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--gray-100);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
}

.zip-tag button {
    background: none;
    border: none;
    color: var(--gray-500);
    cursor: pointer;
    padding: 0;
    margin-left: var(--spacing-xs);
}

.zip-tag button:hover {
    color: var(--danger);
}

.targeting-stats {
    padding-top: 2px; /* Ultra-minimal padding - Oct 29 2025 */
    border-top: 1px solid var(--gray-200);
    font-size: 8px; /* Ultra-tiny text - Oct 29 2025 */
    color: var(--gray-600);
}

/* AI Assistant Container */
.ai-assistant-container {
    padding: var(--spacing-xl);
    padding-bottom: calc(var(--spacing-xl) * 2); /* Enterprise UX: Extra bottom padding for chat input - Oct 24 2025 */
    margin-bottom: var(--spacing-xl); /* Enhanced spacing for new layout - Oct 29 2025 */
    margin-top: 0; /* Remove top margin - primary section - Oct 29 2025 */
    max-height: 500px; /* Constrain height to eliminate whitespace - Oct 24 2025 */
    overflow-y: auto; /* Make features scrollable within container */
    /* UX Enhancement: Smooth entrance animation - Oct 29 2025 */
    animation: fadeInUp 0.6s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Campaign Settings Section - Enhanced Visual Hierarchy (UX Enhancement: Oct 29, 2025) */
.campaign-settings-section {
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    /* Subtle entrance animation with delay */
    animation: fadeInUp 0.6s ease-out 0.2s both;
    /* Add subtle visual separation */
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(148, 163, 184, 0.1);
}

/* Enhanced focus states for campaign settings */
.campaign-settings-section .glass-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.campaign-settings-section .glass-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(79, 70, 229, 0.15);
}

.assistant-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    position: relative;
}

.selection-counter {
    position: absolute;
    top: -10px;
    right: -10px;
    background: var(--success);
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: var(--font-size-sm);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        transform: translateX(20px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.assistant-info h2 {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: var(--spacing-xs);
}

[data-theme="dark"] .assistant-info h2 {
    color: var(--gray-700);
}

.ai-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--gray-500);
}

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: var(--radius-full);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(16, 185, 129, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    }
}

.tell-sports-btn {
    padding: var(--spacing-md) var(--spacing-lg);
    background: linear-gradient(135deg, var(--secondary), var(--accent));
    color: white;
    border: none;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tell-sports-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

.welcome-message {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.1));
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
}

.welcome-message p {
    line-height: 1.8;
    color: var(--gray-700);
}

[data-theme="dark"] .welcome-message p {
    color: var(--gray-300);
}

.recommendation-box {
    background: var(--gray-50);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-xl);
    border-left: 4px solid var(--primary);
}

.recommendation-box p {
    color: var(--gray-700);
}

/* Feature Grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.feature-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-fast);
    position: relative; /* For Phase 2 badges */
}

[data-theme="dark"] .feature-card {
    background: var(--dark-surface-2);
    border-color: var(--dark-border);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
    cursor: pointer;
}

.feature-card.selected {
    border-color: var(--primary) !important;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(139, 92, 246, 0.05)) !important;
    position: relative;
}

.feature-card.selected::after {
    content: '✓';
    position: absolute;
    top: 12px;
    right: 12px;
    background: var(--primary);
    color: white;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

/* ===================================================================
   PHASE 2 UI ENHANCEMENTS - Core + Refinement Visual Indicators
   Date: October 25, 2025
   Purpose: Visual markers for protected segments and timeline
   =================================================================== */

/* Core Segment Styling */
.feature-card.core-segment {
    border: 2px solid var(--success);
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.05), rgba(5, 150, 105, 0.05));
}

/* Core Badge */
.core-badge {
    position: absolute;
    top: 8px;
    left: 8px;
    background: var(--success);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 4px;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
    z-index: 2;
    pointer-events: none; /* Allow clicks to pass through to card */
}

.core-badge i {
    font-size: 10px;
}

/* Pin Indicator */
.pin-indicator {
    position: absolute;
    top: 8px;
    right: 8px;
    background: var(--warning);
    color: white;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3);
    z-index: 2;
    pointer-events: none; /* Allow clicks to pass through to card */
}

/* HHI Enhancement (Oct 26, 2025): Income Demographics Badge */
.hhi-badge {
    position: absolute;
    top: 8px;
    left: 8px;
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 4px;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
    z-index: 2;
    pointer-events: none; /* Allow clicks to pass through to card */
}

.hhi-badge i {
    font-size: 10px;
}

/* HHI Segment Card Styling */
.feature-card.hhi-segment {
    border: 2px solid #2563eb;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05), rgba(29, 78, 216, 0.05));
}

/* Protection Reason */
.protection-reason {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    background: rgba(16, 185, 129, 0.1);
    border-left: 3px solid var(--success);
    border-radius: 4px;
    font-size: var(--font-size-xs);
    color: var(--success);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.protection-reason i {
    font-size: 12px;
}

/* Timeline View Container */
.segment-timeline {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
}

[data-theme="dark"] .segment-timeline {
    background: var(--dark-surface-2);
    border-color: var(--dark-border);
}

.segment-timeline h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

[data-theme="dark"] .segment-timeline h4 {
    color: var(--gray-700);
}

.segment-timeline h4 i {
    color: var(--primary);
}

/* Timeline Entry */
.timeline-entry {
    padding: var(--spacing-md);
    background: white;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    border-left: 4px solid var(--primary);
}

[data-theme="dark"] .timeline-entry {
    background: var(--dark-surface);
}

.timeline-entry:last-child {
    margin-bottom: 0;
}

.timeline-turn {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.timeline-query {
    font-size: var(--font-size-sm);
    color: var(--gray-700);
    margin: var(--spacing-xs) 0;
}

[data-theme="dark"] .timeline-query {
    color: var(--gray-300);
}

.timeline-count {
    font-size: var(--font-size-xs);
    color: var(--gray-500);
}

/* Shopping Cart Container */
.shopping-cart {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(139, 92, 246, 0.05));
    border-radius: var(--radius-lg);
    border: 2px solid var(--primary);
}

.shopping-cart h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

[data-theme="dark"] .shopping-cart h4 {
    color: var(--gray-700);
}

.shopping-cart h4 i {
    color: var(--primary);
}

/* Cart Item */
.cart-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    background: white;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    border: 1px solid var(--gray-200);
}

[data-theme="dark"] .cart-item {
    background: var(--dark-surface);
    border-color: var(--dark-border);
}

.cart-item:last-child {
    margin-bottom: 0;
}

.cart-item-info {
    flex: 1;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.cart-item-badge {
    font-size: 10px;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 4px;
    background: var(--success);
    color: white;
}

.cart-item-name {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--gray-800);
}

[data-theme="dark"] .cart-item-name {
    color: var(--gray-700);
}

.cart-item-actions {
    display: flex;
    gap: var(--spacing-xs);
}

.cart-action-btn {
    width: 32px;
    height: 32px;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}

.cart-action-btn.pin {
    background: var(--warning);
    color: white;
}

.cart-action-btn.pin:hover {
    background: #D97706;
}

.cart-action-btn.remove {
    background: var(--danger);
    color: white;
}

.cart-action-btn.remove:hover {
    background: #DC2626;
}

.feature-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.feature-header i {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    font-size: var(--font-size-lg);
}

.feature-header h3 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--gray-800);
}

[data-theme="dark"] .feature-header h3 {
    color: var(--gray-700);
}

.feature-card p {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    line-height: 1.6;
}

[data-theme="dark"] .feature-card p {
    color: var(--gray-400);
}

/* Quick Actions */
.quick-actions {
    background: var(--gray-50);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-top: var(--spacing-xl);
}

[data-theme="dark"] .quick-actions {
    background: var(--dark-surface-2);
}

.quick-start-label {
    display: block;
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--gray-500);
    margin-bottom: var(--spacing-md);
}

.business-type-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--spacing-md);
}

.business-type-btn {
    padding: var(--spacing-md);
    background: white;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base); /* Fix P2: Enhanced from sm (14px) to base (16px) for better readability */
    font-weight: 500;
    color: var(--gray-700);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

[data-theme="dark"] .business-type-btn {
    background: var(--dark-surface);
    border-color: var(--dark-border);
    color: var(--gray-300);
}

.business-type-btn i {
    font-size: var(--font-size-xl);
}

.business-type-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.2);
}

/* Action Panel */
.action-panel {
    background: var(--gray-50);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
}

[data-theme="dark"] .action-panel {
    background: var(--dark-surface-2);
}

.search-container {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.search-input {
    flex: 1;
    padding: var(--spacing-md);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
}

[data-theme="dark"] .search-input {
    background: var(--dark-surface);
    border-color: var(--dark-border);
    color: var(--gray-700);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.search-btn {
    width: 56px;
    height: 56px;
    border: none;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    font-size: var(--font-size-lg);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.search-btn:hover {
    transform: scale(1.05);
}

.action-buttons {
    display: flex;
    gap: var(--spacing-md);
}

.action-btn {
    flex: 1;
    padding: var(--spacing-md);
    border: 2px solid var(--gray-200);
    background: white;
    color: var(--gray-700);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

[data-theme="dark"] .action-btn {
    background: var(--dark-surface);
    border-color: var(--dark-border);
    color: var(--gray-300);
}

.action-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
}

.action-btn.save {
    background: linear-gradient(135deg, var(--success), #059669);
    border-color: var(--success);
    color: white;
}

.action-btn.save:hover {
    background: linear-gradient(135deg, #059669, var(--success));
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.3);
}

/* Right Sidebar */
.right-sidebar {
    width: 320px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-left: 1px solid rgba(255, 255, 255, 0.2);
    padding: var(--spacing-lg);
    overflow-y: auto;
}

[data-theme="dark"] .right-sidebar {
    background: rgba(15, 23, 42, 0.95);
    border-left: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-section h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: var(--spacing-md);
}

[data-theme="dark"] .sidebar-section h3 {
    color: var(--gray-700);
}

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

.segment-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--gray-50);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    cursor: pointer;
}

[data-theme="dark"] .segment-item {
    background: var(--dark-surface-2);
}

.segment-item:hover {
    background: var(--gray-100);
    transform: translateX(-4px);
}

.segment-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    color: white;
    font-size: 28px !important; /* Fix P0: Increased from 18px (var lg) to 28px for readability - Oct 28 2025 */
}

/* Fix P0: Feature card icons (collectibles, segments) should be white for contrast - Oct 28 2025 */
.feature-card .fas,
.feature-card .fa,
.feature-card i[class*="fa"] {
    font-size: 28px !important;
    color: rgb(248, 250, 252) !important; /* White/very light gray for high contrast on dark backgrounds */
}

.segment-icon.sports {
    background: linear-gradient(135deg, #F59E0B, #EF4444);
}

.segment-icon.art {
    background: linear-gradient(135deg, #8B5CF6, #EC4899);
}

.segment-icon.coin {
    background: linear-gradient(135deg, #F59E0B, #F97316);
}

.segment-icon.retail {
    background: linear-gradient(135deg, #3B82F6, #6366F1);
}

.segment-icon.dolls {
    background: linear-gradient(135deg, #EC4899, #F472B6);
}

.segment-icon.figurines {
    background: linear-gradient(135deg, #10B981, #059669);
}

.segment-info {
    flex: 1;
}

.segment-name {
    display: block;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: var(--spacing-xs);
}

[data-theme="dark"] .segment-name {
    color: var(--gray-700);
}

.segment-desc {
    font-size: var(--font-size-xs);
    color: var(--gray-500);
    line-height: 1.4;
}

/* Mobile-only elements (hidden on desktop) */
.mobile-only {
    display: none;
}

@media (max-width: 768px) {
    .mobile-only {
        display: flex;
    }
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--gray-900);
    color: white;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 200;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
    visibility: visible;
}

/* Responsive Design */
@media (max-width: 1400px) {
    /* Chat panel now always visible on desktop, hidden on mobile */
}

@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        left: 0;
        top: 60px;
        height: calc(100vh - 60px);
        z-index: 90;
        transform: translateX(-100%);
    }

    .sidebar.active {
        transform: translateX(0);
    }

    /* Mobile sidebar overlay */
    .sidebar-overlay {
        display: none;
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 89;
        opacity: 0;
        transition: opacity 0.3s ease;
        pointer-events: none; /* Allow clicks to pass through to sidebar */
    }

    .sidebar-overlay.active {
        display: block;
        opacity: 1;
    }

    .content-grid {
        grid-template-columns: 1fr;
    }

    .feature-grid {
        grid-template-columns: 1fr;
    }

    .business-type-buttons {
        grid-template-columns: repeat(2, 1fr);
    }

    .header-center {
        display: none;
    }

    /* Prevent header button wrapping on mobile */
    .header-right {
        flex-wrap: nowrap !important;
        gap: 4px !important;
    }

    /* Hide database status button on mobile to reduce header crowding */
    .connect-btn {
        display: none !important;
    }

    /* Reduce header button sizes on mobile */
    .header-right button {
        padding: 6px 10px !important;
        font-size: 0.875rem !important;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.glass-card {
    animation: fadeIn 0.5s ease-out;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-400);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-500);
}

/* =================================================================
   CONVERSATIONAL CHAT PANEL (v2.5.0)
   ================================================================= */

/* Chat Panel Container - Claude Desktop Style */
.chat-panel {
    width: 420px;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-left: 1px solid rgba(255, 255, 255, 0.2);
    display: none; /* FIXED OCT 26: Hidden by default, shown via .active class */
    flex-direction: column;
    overflow-y: hidden; /* Messages container handles scroll */
    /* Enterprise UX: Constrain panel height to leave 32px bottom spacing - Oct 24 2025 */
    height: calc(100% - 32px); /* Subtract 32px for enterprise-level bottom spacing */
    max-height: calc(100vh - 125px); /* 93px header + 32px bottom spacing */
    margin-bottom: 32px; /* Explicit bottom margin for breathing room */
}

/* FIXED OCT 26: Desktop visibility controlled by .active class */
.chat-panel.active {
    display: flex; /* Show when active */
}

[data-theme="dark"] .chat-panel {
    background: rgba(15, 23, 42, 0.98);
    border-left: 1px solid rgba(255, 255, 255, 0.1);
}

/* Chat Header */
.chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(139, 92, 246, 0.05));
}

[data-theme="dark"] .chat-header {
    border-bottom-color: var(--dark-border);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.1));
}

.chat-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--gray-800);
}

[data-theme="dark"] .chat-title {
    color: var(--gray-700);
}

.chat-title i {
    color: var(--primary);
}

.chat-header-actions {
    display: flex;
    gap: var(--spacing-xs);
}

.chat-header-btn {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    color: var(--gray-500);
    font-size: var(--font-size-sm);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.chat-header-btn:hover {
    background: var(--gray-100);
    color: var(--gray-800);
}

/* Chat Progress Bar */
.chat-progress {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
    background: var(--gray-50);
}

[data-theme="dark"] .chat-progress {
    border-bottom-color: var(--dark-border);
    background: var(--dark-surface-2);
}

.progress-bar {
    height: 6px;
    background: var(--gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: var(--radius-full);
    transition: width 0.3s ease-out;
}

.progress-text {
    font-size: var(--font-size-xs);
    color: var(--gray-600);
    display: block;
}

[data-theme="dark"] .progress-text {
    color: var(--gray-400);
}

/* Chat Messages Container */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
    padding-bottom: 0; /* Zero padding to eliminate white space above input - Oct 24 2025 */
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.chat-welcome {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--gray-600);
}

.chat-welcome i {
    font-size: 48px;
    color: var(--primary);
    margin-bottom: var(--spacing-md);
}

.chat-welcome h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: var(--spacing-md);
}

[data-theme="dark"] .chat-welcome h3 {
    color: var(--gray-700);
}

.chat-welcome p {
    font-size: var(--font-size-sm);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.chat-welcome-prompt {
    font-weight: 500;
    color: var(--primary) !important;
}

.quick-start-examples {
    background: var(--gray-50);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-lg);
    text-align: left;
}

[data-theme="dark"] .quick-start-examples {
    background: var(--dark-surface-2);
}

.examples-label {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--gray-500);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.quick-start-examples ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.quick-start-examples li {
    padding: var(--spacing-sm) 0;
    color: var(--gray-700);
    font-size: var(--font-size-sm);
    font-style: italic;
    border-bottom: 1px solid var(--gray-200);
}

[data-theme="dark"] .quick-start-examples li {
    color: var(--gray-300);
    border-bottom-color: var(--dark-border);
}

.quick-start-examples li:last-child {
    border-bottom: none;
}

/* Message Bubbles */
.chat-message {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    max-width: 85%;
    animation: messageSlideIn 0.2s ease-out;
}

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

.chat-message.ai {
    align-self: flex-start;
}

.chat-message.user {
    align-self: flex-end;
}

.chat-message.system {
    align-self: center;
    max-width: 90%;
}

.message-bubble {
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    line-height: 1.6;
    font-size: var(--font-size-sm);
    word-wrap: break-word;
}

.chat-message.ai .message-bubble {
    background: var(--gray-100);
    color: var(--gray-800);
    border-bottom-left-radius: 4px;
}

[data-theme="dark"] .chat-message.ai .message-bubble {
    background: var(--dark-surface-2);
    color: var(--gray-700);
}

.chat-message.user .message-bubble {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border-bottom-right-radius: 4px;
}

.chat-message.system .message-bubble {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    text-align: center;
    font-size: var(--font-size-xs);
    padding: var(--spacing-sm) var(--spacing-md);
}

.message-meta {
    font-size: var(--font-size-xs);
    color: var(--gray-500);
    padding: 0 var(--spacing-sm);
}

/* Streaming message animation */
.message-bubble.streaming {
    position: relative;
}

.message-bubble.streaming::after {
    content: '▊';
    animation: blink 1s infinite;
    margin-left: 2px;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* Error message styling */
.message-bubble.error {
    background: rgba(239, 68, 68, 0.1);
    border-left: 3px solid var(--danger);
}

/* Typing Indicator */
.typing-indicator {
    display: flex;
    gap: 6px;
    padding: var(--spacing-md);
    align-self: flex-start;
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    background: var(--gray-400);
    border-radius: 50%;
    animation: typingDot 1.4s infinite;
}

.typing-indicator span:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-indicator span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typingDot {
    0%, 60%, 100% {
        transform: translateY(0);
    }
    30% {
        transform: translateY(-10px);
    }
}

/* Quick Replies */
.quick-replies {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    max-height: 120px;
    overflow-y: auto;
}

.quick-reply-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background: white;
    border: 2px solid var(--primary);
    color: var(--primary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: 20px;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

[data-theme="dark"] .quick-reply-btn {
    background: var(--dark-surface);
}

.quick-reply-btn:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.quick-reply-btn:active {
    transform: translateY(0);
}

/* Chat Input Container */
.chat-input-container {
    border-top: 1px solid var(--gray-200);
    background: var(--gray-50);
    padding: var(--spacing-md);
    padding-bottom: var(--spacing-md); /* Standard padding since panel now has bottom margin */
}

[data-theme="dark"] .chat-input-container {
    border-top-color: var(--dark-border);
    background: var(--dark-surface-2);
}

.chat-input-wrapper {
    display: flex;
    gap: var(--spacing-sm);
}

.chat-input {
    flex: 1;
    padding: var(--spacing-md);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    font-family: var(--font-family);
    transition: all var(--transition-fast);
    background: white;
}

[data-theme="dark"] .chat-input {
    background: var(--dark-surface);
    border-color: var(--dark-border);
    color: var(--gray-700);
}

.chat-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.chat-send-btn {
    width: 48px;
    height: 48px;
    border: none;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    font-size: var(--font-size-base);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.chat-send-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

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

.chat-send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Chat FAB (Floating Action Button) - FIXED OCT 26: Visible on all screen sizes */
.mobile-chat-fab {
    display: flex; /* FIXED OCT 26: Show on desktop too */
    align-items: center;
    justify-content: center;
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #0F6BD6, #3B82F6);
    color: white;
    font-size: 24px;
    border: none;
    border-radius: 50%;
    box-shadow: 0 4px 12px rgba(15, 107, 214, 0.4);
    cursor: pointer;
    z-index: 50;
    transition: all 0.2s ease;
}

.mobile-chat-fab:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 16px rgba(15, 107, 214, 0.5);
}

.mobile-chat-fab:active {
    transform: scale(0.95);
}

/* Hide FAB when chat panel is active (desktop) */
.chat-panel.active ~ .mobile-chat-fab {
    display: none;
}

/* Chat Panel Responsive */
@media (max-width: 768px) {
    .chat-panel {
        position: fixed;
        top: 180px;                  /* Panel at 180px from top */
        right: -100%;
        width: 100%;
        height: calc(100vh - 180px); /* Remaining viewport height */
        z-index: 60;
        display: none;               /* FIXED OCT 26: Hidden by default on mobile too */
        transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        overflow-y: auto;            /* Scrollable content */
        -webkit-overflow-scrolling: touch;  /* Smooth iOS scrolling */
    }

    .chat-panel.active {
        display: flex;               /* FIXED OCT 26: Show when active */
        right: 0;                    /* Slide into view */
    }

    /* Enhanced mobile scrollbar for better visibility */
    .chat-panel::-webkit-scrollbar {
        width: 12px;
    }

    .chat-panel::-webkit-scrollbar-track {
        background: rgba(0, 0, 0, 0.1);
    }

    .chat-panel::-webkit-scrollbar-thumb {
        background: var(--primary);
        border-radius: 6px;
        border: 2px solid rgba(255, 255, 255, 0.2);
    }

    .chat-panel::-webkit-scrollbar-thumb:hover {
        background: var(--primary-dark);
    }

    /* FIXED OCT 26: Mobile FAB positioning adjustment for mobile */
    .mobile-chat-fab {
        bottom: 80px; /* Higher on mobile to avoid touch areas */
        right: var(--spacing-xl);
    }
}

/* ===================================================================
   ENTERPRISE UI CONSOLIDATION - Action Panel Hidden
   Date: October 10, 2025
   Reason: Consolidating all user input through right-side chat panel
   =================================================================== */
.action-panel,
.search-container,
.action-buttons {
    display: none !important;
}

/* ===================================================================
   MARKDOWN FORMATTING FOR CHAT MESSAGES
   Date: October 14, 2025
   Purpose: Enhanced text formatting for AI responses
   =================================================================== */
.message-bubble p {
    margin: 0 0 12px 0;
    line-height: 1.6;
}

.message-bubble p:last-child {
    margin-bottom: 0;
}

.message-bubble ul,
.message-bubble ol {
    margin: 8px 0 12px 0;
    padding-left: 24px;
}

.message-bubble ul li,
.message-bubble ol li {
    margin: 4px 0;
    line-height: 1.7;
}

.message-bubble ul li::marker {
    color: var(--primary);
}

.message-bubble ol li::marker {
    color: var(--primary);
    font-weight: 600;
}

.message-bubble code {
    background: rgba(0, 0, 0, 0.05);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Monaco', 'Menlo', 'Courier New', monospace;
    font-size: 0.9em;
}

[data-theme="dark"] .message-bubble code {
    background: rgba(255, 255, 255, 0.1);
}