/* ==========================================
   Citystars Mall - Premium Chat Interface
   ========================================== */

:root {
    /* Gold Luxury Colors */
    --primary: #D4AF37;
    --primary-light: #E8D7A0;
    --primary-dark: #C5A028;
    --accent: #B8960F;
    --gold-shimmer: #F4E4C1;
    
    /* Status Colors */
    --success: #2e7d32;
    --warning: #f57c00;
    --danger: #c62828;
    --link: #1976d2;

    /* Backgrounds - Light Theme */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F8F8F8;
    --bg-tertiary: #F5F5F0;
    --bg-card: #FFFFFF;
    --bg-card-hover: #F8F8F8;

    /* Text - Dark on Light */
    --text-primary: #1a1a1a;
    --text-secondary: #4a4a4a;
    --text-muted: #787878;
    --text-on-gold: #FFFFFF;

    /* Borders */
    --border-color: rgba(212, 175, 55, 0.15);
    --border-color-hover: rgba(212, 175, 55, 0.3);
    --border-solid: #E0E0E0;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.16);
    --shadow-gold: 0 0 20px rgba(212, 175, 55, 0.3);

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
}

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

html {
    font-size: 16px;
}

body {
    font-family: 'Cairo', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    min-height: 100dvh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Font family based on language */
[data-lang="ar"] body,
[data-lang="ar"] * {
    font-family: 'Cairo', -apple-system, BlinkMacSystemFont, sans-serif;
}

[data-lang="en"] body,
[data-lang="en"] * {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* Admin Layout */
.admin-layout {
    display: flex;
    min-height: 100vh;
    min-height: 100dvh;
    background: var(--bg-primary);
}

/* Sidebar */
.sidebar {
    width: 240px;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    right: 0;
    top: 0;
    height: 100vh;
    height: 100dvh;
    z-index: 1000;
    overflow-y: auto;
}

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

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex: 1;
}

.sidebar-logo-text {
    font-size: 1rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-light), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sidebar-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

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

.sidebar-nav {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    padding: var(--spacing-lg);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 500;
    text-align: right;
    white-space: nowrap;
}

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

.nav-item.active {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(168, 85, 247, 0.1));
    color: var(--primary-light);
    border-right: 3px solid var(--primary);
}

.nav-label {
    flex: 1;
}

.nav-item svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* Admin Content */
.admin-content {
    flex: 1;
    margin-right: 240px;
    min-height: 100vh;
    min-height: 100dvh;
    overflow-y: auto;
}

.page {
    display: none;
    min-height: 100vh;
    min-height: 100dvh;
}

.page.active {
    display: block;
}

/* App Container */
.app {
    max-width: 480px;
    margin: 0 auto;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    padding: var(--spacing-md);
    gap: var(--spacing-lg);
}

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-light), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.badge-dot {
    width: 6px;
    height: 6px;
    background: var(--success);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

/* Main Content */
.main {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

/* Status Card */
.status-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
}

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

.status-indicator {
    position: relative;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.status-ring {
    position: absolute;
    inset: 0;
    border: 2px solid var(--border-color);
    border-radius: 50%;
    transition: var(--transition-base);
}

.status-dot {
    width: 16px;
    height: 16px;
    background: var(--text-muted);
    border-radius: 50%;
    transition: var(--transition-base);
}

.status.connected .status-ring {
    border-color: var(--success);
}

.status.connected .status-dot {
    background: var(--success);
    animation: pulse 2s infinite;
}

.status.connecting .status-ring {
    border-color: var(--warning);
}

.status.connecting .status-dot {
    background: var(--warning);
    animation: pulse 1s infinite;
}

.status.speaking .status-ring {
    border-color: var(--accent);
}

.status.speaking .status-dot {
    background: var(--accent);
    animation: pulse 0.5s infinite;
}

.status.listening .status-ring {
    border-color: var(--primary);
}

.status.listening .status-dot {
    background: var(--primary);
    animation: pulse 1s infinite;
}

.status-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.status-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.status-text {
    font-size: 1.125rem;
    font-weight: 600;
}

/* Visualizer */
.visualizer-container {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    overflow: hidden;
}

.visualizer-bg {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

#visualizer {
    width: 100%;
    height: 100px;
    position: relative;
    z-index: 1;
}

.visualizer-label {
    text-align: center;
    margin-top: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Controls */
.controls {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    border: none;
    border-radius: var(--radius-xl);
    cursor: pointer;
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 600;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.1), transparent);
    pointer-events: none;
}

.btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: var(--transition-base);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 10px 40px -10px rgba(99, 102, 241, 0.5);
}

.btn-primary:hover:not(:disabled) .btn-icon {
    background: rgba(255, 255, 255, 0.2);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger), #f87171);
    color: white;
}

.btn-danger:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 10px 40px -10px rgba(239, 68, 68, 0.5);
}

.btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

/* Info Grid */
.info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.info-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    transition: var(--transition-base);
}

.info-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-color-hover);
}

.info-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-md);
    color: var(--primary-light);
    flex-shrink: 0;
}

.info-content {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.info-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.info-value {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Logs Panel */
.logs-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.logs-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    cursor: pointer;
    transition: var(--transition-base);
}

.logs-header:hover {
    background: var(--bg-card-hover);
}

.logs-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.logs-chevron {
    color: var(--text-muted);
    transition: var(--transition-base);
}

.logs-panel.expanded .logs-chevron {
    transform: rotate(180deg);
}

.logs-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.logs-panel.expanded .logs-content {
    max-height: 250px;
}

#logContent {
    max-height: 200px;
    overflow-y: auto;
    padding: var(--spacing-md);
    font-family: 'SF Mono', 'Consolas', 'Monaco', monospace;
    font-size: 0.75rem;
    direction: ltr;
    text-align: left;
    border-top: 1px solid var(--border-color);
}

.log-entry {
    padding: var(--spacing-xs) 0;
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.02);
}

.log-entry:last-child {
    border-bottom: none;
}

.log-entry.info {
    color: var(--primary-light);
}

.log-entry.success {
    color: var(--success);
}

.log-entry.error {
    color: var(--danger);
}

.log-entry.audio {
    color: var(--warning);
}

/* Footer */
.footer {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md) 0;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.footer strong {
    color: var(--text-secondary);
    font-weight: 500;
}

/* Animations */
@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.6;
        transform: scale(1.1);
    }
}

/* Recordings Container */
.recordings-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-xl);
    height: 100%;
}

.recordings-header {
    margin-bottom: var(--spacing-2xl);
}

.recordings-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.recordings-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
}

.recordings-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.recordings-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    gap: var(--spacing-lg);
    color: var(--text-secondary);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* Recordings Table */
.recordings-table {
    width: 100%;
    border-collapse: collapse;
}

.recordings-table thead {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.recordings-table th {
    padding: var(--spacing-lg);
    text-align: right;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.recordings-table td {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 0.875rem;
}

.recordings-table tr:last-child td {
    border-bottom: none;
}

.recordings-table tbody tr:hover {
    background: var(--bg-card-hover);
}

.recording-number {
    font-family: 'SF Mono', 'Consolas', 'Monaco', monospace;
    direction: ltr;
    text-align: left;
}

.recording-date {
    color: var(--text-secondary);
    font-size: 0.8rem;
}

.recording-duration {
    font-weight: 600;
    color: var(--primary-light);
}

.recording-actions {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-base);
    padding: 0;
    font-size: 0;
}

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

.action-btn svg {
    width: 16px;
    height: 16px;
}

/* Empty State */
.recordings-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    gap: var(--spacing-lg);
    color: var(--text-secondary);
    text-align: center;
}

.recordings-empty-icon {
    width: 64px;
    height: 64px;
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
}

.recordings-empty-icon svg {
    width: 40px;
    height: 40px;
}

/* Audio Player Modal */
.audio-player-modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.audio-player-modal.active {
    opacity: 1;
    visibility: visible;
}

.audio-player-modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    max-width: 500px;
    width: 100%;
    position: relative;
}

.audio-player-modal-close {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--spacing-xs);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
}

.audio-player-modal-close:hover {
    color: var(--text-primary);
}

.audio-player-modal-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    margin-right: var(--spacing-2xl);
}

.audio-tracks {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.audio-track {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.audio-track-name {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
}

.audio-track audio {
    width: 100%;
    outline: none;
}

/* Responsive Mobile */
@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
        border-left: none;
        border-bottom: 1px solid var(--border-color);
        right: auto;
    }

    .sidebar-header {
        justify-content: space-between;
    }

    .sidebar-toggle {
        display: flex;
    }

    .sidebar.collapsed {
        height: auto;
    }

    .sidebar.collapsed .sidebar-nav {
        display: none;
    }

    .sidebar:not(.collapsed) .sidebar-nav {
        display: flex;
    }

    .nav-item {
        padding: var(--spacing-md) var(--spacing-lg);
    }

    .nav-label {
        display: block;
    }

    .admin-content {
        margin-right: 0;
        margin-top: 0;
    }

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

    .recordings-title {
        font-size: 1.5rem;
    }

    .recordings-table th,
    .recordings-table td {
        padding: var(--spacing-md);
        font-size: 0.75rem;
    }
}

/* Responsive - Tablets and larger */
@media (min-width: 640px) {
    .app {
        max-width: 540px;
        padding: var(--spacing-xl);
    }

    .status-card {
        padding: var(--spacing-xl);
    }

    .btn {
        padding: var(--spacing-xl);
    }
}

/* Desktop - Wide Layout */
@media (min-width: 1024px) {
    .app {
        max-width: 1200px;
        padding: var(--spacing-2xl);
        min-height: 100vh;
    }

    .header {
        padding: var(--spacing-lg) 0;
    }

    .main {
        flex: 1;
        display: grid;
        grid-template-columns: 1fr 380px;
        grid-template-rows: auto 1fr;
        gap: var(--spacing-xl);
        align-content: center;
    }

    /* Left Column - Status and Visualizer */
    .status-card {
        grid-column: 1;
        grid-row: 1;
        padding: var(--spacing-xl);
    }

    .visualizer-container {
        grid-column: 1;
        grid-row: 2;
        height: 280px;
        display: flex;
        flex-direction: column;
    }

    #visualizer {
        flex: 1;
        height: auto;
        min-height: 180px;
    }

    /* Right Column - Controls and Info */
    .controls {
        grid-column: 2;
        grid-row: 1;
        display: flex;
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .info-grid {
        grid-column: 2;
        grid-row: 2;
        display: flex;
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .btn {
        flex-direction: row;
        padding: var(--spacing-xl) var(--spacing-2xl);
        justify-content: flex-start;
        gap: var(--spacing-lg);
    }

    .btn-icon {
        width: 64px;
        height: 64px;
    }

    .btn-text {
        font-size: 1.125rem;
    }
}

/* Extra Large Desktop */
@media (min-width: 1400px) {
    .app {
        max-width: 1400px;
    }

    .main {
        grid-template-columns: 1fr 450px;
        gap: var(--spacing-2xl);
    }

    .visualizer-container {
        height: 320px;
    }

    .btn {
        padding: var(--spacing-2xl);
    }

    .btn-icon {
        width: 72px;
        height: 72px;
    }
}

/* Dark mode scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-color-hover);
}

/* Focus styles for accessibility */
.btn:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Dark mode support for call overlay */
@media (prefers-color-scheme: dark) {
    .call-overlay {
        background: linear-gradient(135deg, rgba(26, 26, 26, 0.98), rgba(18, 18, 18, 0.98));
    }

    .call-overlay::before {
        background: radial-gradient(circle at 20% 50%, rgba(212, 175, 55, 0.15) 0%, transparent 50%),
                    radial-gradient(circle at 80% 50%, rgba(212, 175, 55, 0.12) 0%, transparent 50%);
    }

    .call-avatar {
        background: linear-gradient(135deg, rgba(212, 175, 55, 0.3), rgba(212, 175, 55, 0.15));
        box-shadow: 
            0 0 0 0 rgba(212, 175, 55, 0.9),
            0 10px 40px rgba(212, 175, 55, 0.4);
    }

    .call-control-btn {
        background: rgba(74, 74, 74, 0.8);
        border-color: rgba(212, 175, 55, 0.3);
    }

    .connection-indicator {
        background: rgba(42, 42, 42, 0.9);
        border-color: rgba(212, 175, 55, 0.2);
    }
}

/* Reduced motion - Accessibility */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }

    /* Keep essential animations for state indication */
    .call-avatar,
    .call-avatar::before,
    .call-avatar::after {
        animation: none !important;
    }

    .badge-dot,
    .status-dot,
    .connection-indicator .signal-dot {
        animation: none !important;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    .call-overlay {
        background: rgba(255, 255, 255, 1);
    }

    .call-avatar {
        border-width: 4px;
    }

    .call-control-btn {
        border-width: 3px;
    }
}

/* Battery saver mode - reduce visual effects */
.battery-saver .call-overlay::before,
.battery-saver .visualizer-container::before,
.battery-saver .call-avatar::before,
.battery-saver .call-avatar::after {
    display: none;
}

.battery-saver .call-avatar {
    animation: none;
}

/* Touch feedback enhancement */
@media (hover: none) and (pointer: coarse) {
    .call-control-btn:active {
        transform: scale(0.9);
        transition-duration: 0.1s;
    }

    .call-control-btn.end-call:active {
        transform: scale(0.92);
    }
}

/* Landscape orientation optimizations */
@media (max-width: 768px) and (orientation: landscape) {
    .call-overlay-content {
        flex-direction: row;
        align-items: center;
        justify-content: space-around;
        padding: var(--spacing-md) var(--spacing-lg);
    }

    .call-avatar {
        width: 100px;
        height: 100px;
        margin-top: 0;
    }

    .audio-visualizer {
        height: 120px;
        max-width: 300px;
    }

    .call-info {
        order: -1;
    }

    .call-controls {
        flex-direction: column;
        gap: var(--spacing-md);
        margin-bottom: 0;
    }
}

/* ==========================================
   PIN Authentication Overlay
   ========================================== */

.pin-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    opacity: 1;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.pin-overlay.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.pin-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    max-width: 400px;
    width: 100%;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.pin-container::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at top, rgba(99, 102, 241, 0.1) 0%, transparent 60%);
    pointer-events: none;
}

.pin-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    position: relative;
    z-index: 1;
}

.pin-logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-light), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pin-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    position: relative;
    z-index: 1;
}

.pin-subtitle {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    position: relative;
    z-index: 1;
}

.pin-input-wrapper {
    position: relative;
    z-index: 1;
}

.pin-digits {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    direction: ltr;
}

.pin-digit {
    width: 48px;
    height: 56px;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.pin-digit::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(168, 85, 247, 0.1));
    opacity: 0;
    transition: var(--transition-base);
}

.pin-digit.filled {
    border-color: var(--primary);
    box-shadow: 0 0 20px -5px rgba(99, 102, 241, 0.4);
}

.pin-digit.filled::before {
    opacity: 1;
}

.pin-digit.active {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2);
}

.pin-digit .dot {
    width: 12px;
    height: 12px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 50%;
    animation: dotPop 0.2s ease;
}

@keyframes dotPop {
    0% {
        transform: scale(0);
        opacity: 0;
    }

    50% {
        transform: scale(1.3);
    }

    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.pin-hidden-input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
    width: 1px;
    height: 1px;
}

.pin-error {
    min-height: 24px;
    font-size: 0.875rem;
    color: var(--danger);
    margin-bottom: var(--spacing-md);
    position: relative;
    z-index: 1;
}

.pin-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    width: 100%;
    padding: var(--spacing-md) var(--spacing-xl);
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    border: none;
    border-radius: var(--radius-lg);
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-base);
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.pin-submit::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.1), transparent);
    pointer-events: none;
}

.pin-submit:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 10px 40px -10px rgba(99, 102, 241, 0.5);
}

.pin-submit:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
}

.pin-submit.loading {
    pointer-events: none;
}

.pin-submit.loading span {
    opacity: 0;
}

.pin-submit.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Shake animation for error */
.pin-digits.shake {
    animation: shake 0.5s ease;
}

@keyframes shake {

    0%,
    100% {
        transform: translateX(0);
    }

    10%,
    30%,
    50%,
    70%,
    90% {
        transform: translateX(-8px);
    }

    20%,
    40%,
    60%,
    80% {
        transform: translateX(8px);
    }
}

.pin-digit.error {
    border-color: var(--danger);
    box-shadow: 0 0 20px -5px rgba(239, 68, 68, 0.4);
}

/* Responsive PIN overlay */
@media (min-width: 640px) {
    .pin-container {
        padding: var(--spacing-2xl) calc(var(--spacing-2xl) * 1.5);
    }

    .pin-digit {
        width: 56px;
        height: 64px;
        font-size: 1.75rem;
    }
}

@media (max-width: 380px) {
    .pin-digit {
        width: 40px;
        height: 48px;
        font-size: 1.25rem;
    }

    .pin-digits {
        gap: 6px;
    }
}

/* ==========================================
   Call Me Card
   ========================================== */

.call-me-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    position: relative;
    overflow: hidden;
}

.call-me-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at top right, rgba(99, 102, 241, 0.08) 0%, transparent 60%);
    pointer-events: none;
}

.call-me-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    position: relative;
    z-index: 1;
}

.call-me-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(168, 85, 247, 0.2));
    border-radius: var(--radius-md);
    color: var(--primary-light);
}

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

.call-me-subtitle {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    position: relative;
    z-index: 1;
}

.call-me-input-wrapper {
    display: flex;
    gap: var(--spacing-sm);
    position: relative;
    z-index: 1;
}

.call-me-input {
    flex: 1;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    font-family: inherit;
    font-size: 1rem;
    color: var(--text-primary);
    direction: ltr;
    text-align: left;
    transition: var(--transition-base);
}

.call-me-input::placeholder {
    color: var(--text-muted);
}

.call-me-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15);
}

.call-me-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md) var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border: none;
    border-radius: var(--radius-md);
    color: white;
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-base);
    white-space: nowrap;
}

.call-me-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px -8px rgba(99, 102, 241, 0.5);
}

.call-me-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

.call-me-btn.loading {
    pointer-events: none;
}

.call-me-btn.loading span {
    opacity: 0;
}

.call-me-btn.loading::after {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.call-me-status {
    margin-top: var(--spacing-sm);
    font-size: 0.8rem;
    text-align: center;
    position: relative;
    z-index: 1;
    min-height: 1.2em;
}

.call-me-status.success {
    color: var(--success);
}

.call-me-status.error {
    color: var(--danger);
}

.call-me-status.info {
    color: var(--primary-light);
}

/* Divider */
.divider {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    color: var(--text-muted);
    font-size: 0.75rem;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-color);
}

/* Responsive Call Me Card */
@media (max-width: 480px) {
    .call-me-input-wrapper {
        flex-direction: column;
    }

    .call-me-btn {
        width: 100%;
        padding: var(--spacing-md);
    }
}

@media (min-width: 1024px) {
    .call-me-card {
        grid-column: 1 / -1;
        grid-row: 1;
        margin-bottom: var(--spacing-md);
    }

    .call-me-input-wrapper {
        max-width: 500px;
    }
}

/* ==========================================
   Call Me Link Card (Navigation)
   ========================================== */

.call-me-link-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    text-decoration: none;
    color: inherit;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.call-me-link-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at top right, rgba(99, 102, 241, 0.08) 0%, transparent 60%);
    pointer-events: none;
}

.call-me-link-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px -8px rgba(99, 102, 241, 0.3);
}

.call-me-link-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    position: relative;
    z-index: 1;
}

.call-me-link-card .call-me-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(168, 85, 247, 0.2));
    border-radius: var(--radius-lg);
    color: var(--primary-light);
}

.call-me-link-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.call-me-link-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.call-me-link-subtitle {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.call-me-link-arrow {
    color: var(--text-muted);
    transition: var(--transition-base);
    position: relative;
    z-index: 1;
}

.call-me-link-card:hover .call-me-link-arrow {
    color: var(--primary-light);
    transform: translateX(-4px);
}

/* ==========================================
   Chat Interface Styles
   ========================================== */

/* RTL/LTR Layout Support */
[dir="rtl"] body {
    direction: rtl;
}

[dir="ltr"] body {
    direction: ltr;
}

/* Text alignment based on direction */
[dir="ltr"] .chat-header-info,
[dir="ltr"] .chat-welcome h2,
[dir="ltr"] .chat-welcome p {
    text-align: left;
}

[dir="rtl"] .chat-header-info,
[dir="rtl"] .chat-welcome h2,
[dir="rtl"] .chat-welcome p {
    text-align: right;
}

/* Message bubble alignment */
[dir="ltr"] .user-message {
    justify-content: flex-end;
}

[dir="rtl"] .user-message {
    justify-content: flex-end;
}

[dir="ltr"] .ai-message {
    justify-content: flex-start;
}

[dir="rtl"] .ai-message {
    justify-content: flex-start;
}

/* Message time alignment */
[dir="ltr"] .message-time {
    text-align: left;
}

[dir="rtl"] .message-time {
    text-align: right;
}

[dir="ltr"] .user-message .message-time {
    text-align: right;
}

[dir="rtl"] .user-message .message-time {
    text-align: left;
}

/* Typing indicator margin */
[dir="ltr"] .typing-bubble {
    margin-left: 40px;
    margin-right: 0;
}

[dir="rtl"] .typing-bubble {
    margin-left: 0;
    margin-right: 40px;
}

/* Call info text alignment */
[dir="ltr"] .call-info {
    text-align: center;
}

[dir="rtl"] .call-info {
    text-align: center;
}

/* Store card text alignment */
[dir="ltr"] .store-card-content {
    text-align: left;
}

[dir="rtl"] .store-card-content {
    text-align: right;
}

/* Accessibility - Screen reader only content */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Focus visible styles for keyboard navigation */
.call-control-btn:focus-visible,
.phone-call-btn:focus-visible,
.language-toggle:focus-visible {
    outline: 3px solid var(--primary);
    outline-offset: 4px;
}

/* High visibility mode for accessibility */
@media (prefers-contrast: more) {
    .call-avatar {
        border-width: 5px;
    }
    
    .call-control-btn {
        border-width: 4px;
    }
    
    .connection-indicator {
        border-width: 2px;
    }
}

/* ==========================================
   Toast Notifications System
   ========================================== */

.toast-container {
    position: fixed;
    bottom: var(--spacing-2xl);
    left: 50%;
    transform: translateX(-50%);
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    pointer-events: none;
    max-width: 90%;
    width: 400px;
}

.toast {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md) var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    pointer-events: auto;
    transform: translateY(100px);
    opacity: 0;
    animation: toastSlideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes toastSlideIn {
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.toast.removing {
    animation: toastSlideOut 0.3s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes toastSlideOut {
    to {
        transform: translateY(100px);
        opacity: 0;
    }
}

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

.toast-content {
    flex: 1;
    font-size: 0.875rem;
    line-height: 1.4;
    color: var(--text-primary);
}

.toast.success {
    border-left: 4px solid var(--success);
}

.toast.error {
    border-left: 4px solid var(--danger);
}

.toast.warning {
    border-left: 4px solid var(--warning);
}

.toast.info {
    border-left: 4px solid var(--primary);
}

.toast-close {
    width: 20px;
    height: 20px;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
}

.toast-close:hover {
    color: var(--text-primary);
}

/* ==========================================
   Loading Skeleton Screens
   ========================================== */

.skeleton-loader {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
}

.skeleton-item {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    position: relative;
    overflow: hidden;
}

.skeleton-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.5) 50%,
        transparent 100%
    );
    animation: skeletonShimmer 1.5s ease-in-out infinite;
}

@keyframes skeletonShimmer {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

.skeleton-avatar {
    width: 140px;
    height: 140px;
    border-radius: var(--radius-full);
    margin: 0 auto;
}

.skeleton-text {
    height: 24px;
    width: 60%;
    margin: 0 auto;
}

.skeleton-text-sm {
    height: 16px;
    width: 40%;
    margin: 0 auto;
}

.skeleton-visualizer {
    width: 100%;
    height: 200px;
}

/* ==========================================
   Floating Action Button (Quick Actions)
   ========================================== */

.fab-container {
    position: fixed;
    bottom: var(--spacing-2xl);
    right: var(--spacing-xl);
    z-index: 999;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: var(--spacing-md);
}

.fab {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border: none;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(212, 175, 55, 0.4);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.fab::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, transparent 70%);
    transform: scale(0);
    transition: transform 0.4s ease;
}

.fab:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(212, 175, 55, 0.6);
}

.fab:active::before {
    transform: scale(2);
}

.fab svg {
    width: 24px;
    height: 24px;
    position: relative;
    z-index: 1;
}

/* ==========================================
   Pull to Refresh Indicator (Mobile)
   ========================================== */

.ptr-indicator {
    position: fixed;
    top: 0;
    left: 50%;
    transform: translateX(-50%) translateY(-100%);
    padding: var(--spacing-md);
    background: var(--bg-card);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: transform 0.3s ease;
    z-index: 1001;
}

.ptr-indicator.active {
    transform: translateX(-50%) translateY(0);
}

.ptr-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* ==========================================
   Bottom Sheet for Settings (Mobile)
   ========================================== */

.bottom-sheet {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-card);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
    transform: translateY(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 2500;
    max-height: 80vh;
    overflow-y: auto;
}

.bottom-sheet.active {
    transform: translateY(0);
}

.bottom-sheet-handle {
    width: 40px;
    height: 4px;
    background: var(--border-color);
    border-radius: 2px;
    margin: var(--spacing-md) auto;
}

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

.bottom-sheet-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

.bottom-sheet-option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--border-color);
}

.bottom-sheet-option:last-child {
    border-bottom: none;
}

/* ==========================================
   Live Transcription Display
   ========================================== */

.transcription-panel {
    position: absolute;
    bottom: calc(var(--spacing-2xl) * 3);
    left: var(--spacing-lg);
    right: var(--spacing-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    max-height: 120px;
    overflow-y: auto;
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--transition-base);
    pointer-events: none;
}

.transcription-panel.active {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.transcription-text {
    font-size: 0.875rem;
    line-height: 1.5;
    color: var(--text-secondary);
}

.transcription-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ==========================================
   Responsive Optimizations
   ========================================== */

@media (max-width: 480px) {
    .toast-container {
        width: calc(100% - var(--spacing-lg) * 2);
        bottom: var(--spacing-xl);
    }

    .fab-container {
        right: var(--spacing-md);
        bottom: var(--spacing-xl);
    }

    .fab {
        width: 48px;
        height: 48px;
    }

    .transcription-panel {
        left: var(--spacing-md);
        right: var(--spacing-md);
    }
}

.chat-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    height: 100dvh;
    max-width: 100%;
    margin: 0 auto;
    background: var(--bg-primary);
}

/* Chat Header */
.chat-header {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    gap: var(--spacing-md);
}

.chat-header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    justify-self: start;
}

.chat-header-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.chat-logo {
    display: flex;
    align-items: center;
    justify-content: center;
}

.chat-header-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.chat-header-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.chat-header-status {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.chat-header-status.connected {
    color: var(--success);
}

.chat-header-status.error {
    color: var(--danger);
}

.chat-header-status.disconnected {
    color: var(--text-muted);
}

.chat-header-right {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    justify-self: end;
}

/* Language Toggle */
.language-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 60px;
    height: 36px;
    padding: 0 var(--spacing-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-family: inherit;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.language-toggle:hover {
    background: var(--bg-card-hover);
    border-color: var(--primary);
    color: var(--text-primary);
    transform: scale(1.02);
}

.language-toggle:active {
    transform: scale(0.98);
}

.lang-text {
    position: relative;
    z-index: 1;
    transition: var(--transition-base);
}

.phone-call-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: var(--radius-full);
    color: white;
    transition: var(--transition-base);
    text-decoration: none;
}

.phone-call-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 30px -8px rgba(99, 102, 241, 0.5);
}

/* Messages Area */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    scroll-behavior: smooth;
}

/* Welcome Message */
.chat-welcome {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-lg);
    margin-top: auto;
    margin-bottom: auto;
}

.welcome-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
}

.chat-welcome h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.chat-welcome p {
    font-size: 1rem;
    color: var(--text-secondary);
    margin: 0;
}

/* Message Bubbles */
.message {
    display: flex;
    gap: var(--spacing-sm);
    animation: messageSlideIn 0.3s ease;
}

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

.user-message {
    justify-content: flex-end;
}

.ai-message {
    justify-content: flex-start;
}

.message-avatar {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: white;
}

.ai-name {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-on-gold);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
    letter-spacing: 0.02em;
}

.message-bubble {
    max-width: 70%;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    position: relative;
}

.user-message .message-bubble {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    border-bottom-left-radius: var(--radius-sm);
}

.ai-message .message-bubble {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-bottom-right-radius: var(--radius-sm);
}

.message-bubble p {
    margin: 0 0 var(--spacing-xs) 0;
    font-size: 0.9375rem;
    line-height: 1.5;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.message-time {
    font-size: 0.6875rem;
    opacity: 0.7;
    display: block;
    text-align: left;
}

.user-message .message-time {
    text-align: right;
}

.system-message {
    justify-content: center;
}

.system-message .message-bubble {
    background: var(--bg-secondary);
    color: var(--text-muted);
    border: 1px solid var(--border-color);
    text-align: center;
    font-size: 0.8125rem;
    max-width: 80%;
}

/* Typing Indicator */
.typing-indicator {
    display: flex;
    gap: var(--spacing-sm);
    padding: 0 var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.typing-bubble {
    display: flex;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    margin-left: 40px;
}

.typing-dots {
    display: flex;
    gap: 4px;
}

.typing-dots span {
    width: 6px;
    height: 6px;
    background: var(--text-muted);
    border-radius: 50%;
    animation: typingAnimation 1.4s infinite;
}

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

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

@keyframes typingAnimation {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.5;
    }
    30% {
        transform: translateY(-8px);
        opacity: 1;
    }
}

/* Input Area */
.chat-input-container {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

.chat-input-wrapper {
    display: flex;
    gap: var(--spacing-sm);
    align-items: flex-end;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-sm);
    transition: var(--transition-base);
}

.chat-input-wrapper:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15);
}

.chat-input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9375rem;
    line-height: 1.5;
    resize: none;
    padding: var(--spacing-sm);
    max-height: 120px;
    overflow-y: auto;
}

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

.send-btn {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border: none;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-base);
    flex-shrink: 0;
}

.send-btn:hover:not(:disabled) {
    transform: scale(1.05);
    box-shadow: 0 4px 20px -4px rgba(99, 102, 241, 0.5);
}

.send-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
}

/* Responsive Chat Interface */
@media (min-width: 640px) {
    .chat-container {
        max-width: 640px;
    }
}

@media (min-width: 1024px) {
    .chat-container {
        max-width: 800px;
    }

    .message-bubble {
        max-width: 60%;
    }
}

@media (max-width: 480px) {
    .chat-messages {
        padding: var(--spacing-md);
    }

    .message-bubble {
        max-width: 85%;
    }

    .chat-header {
        padding: var(--spacing-sm) var(--spacing-md);
        grid-template-columns: auto 1fr auto;
    }
    
    .chat-header-left {
        order: 1;
    }
    
    .chat-header-center {
        order: 2;
        justify-self: center;
    }
    
    .chat-header-right {
        order: 3;
    }
    
    .chat-logo img {
        height: 40px;
    }
}

/* ==========================================
   Call Overlay (Voice Mode) - Enhanced Mobile-First
   ========================================== */

.call-overlay {
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(248, 248, 248, 0.98));
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.4s ease;
    overflow: hidden;
}

.call-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Animated background particles */
.call-overlay::before {
    content: '';
    position: absolute;
    inset: -50%;
    background: radial-gradient(circle at 20% 50%, rgba(212, 175, 55, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 50%, rgba(212, 175, 55, 0.08) 0%, transparent 50%);
    animation: particleFloat 20s ease-in-out infinite;
    pointer-events: none;
}

@keyframes particleFloat {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(30px, -30px) scale(1.1);
    }
    66% {
        transform: translate(-30px, 30px) scale(0.9);
    }
}

.call-overlay-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xl);
    padding: var(--spacing-xl);
    width: 100%;
    height: 100%;
    max-width: 100%;
    position: relative;
    z-index: 1;
}

/* Call Avatar - Enhanced with multiple layers */
.call-avatar {
    width: 160px;
    height: 160px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--gold-shimmer), rgba(212, 175, 55, 0.2));
    border: 4px solid var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    box-shadow: 
        0 0 0 0 rgba(212, 175, 55, 0.7),
        0 10px 40px rgba(212, 175, 55, 0.3);
    margin-top: var(--spacing-2xl);
    will-change: transform;
    transform: translateZ(0);
}

/* Multi-layer pulse animation */
.call-avatar::before {
    content: '';
    position: absolute;
    inset: -8px;
    border-radius: inherit;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.3), rgba(212, 175, 55, 0.1));
    animation: avatarRing1 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
    z-index: -1;
}

.call-avatar::after {
    content: '';
    position: absolute;
    inset: -16px;
    border-radius: inherit;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.2), rgba(212, 175, 55, 0.05));
    animation: avatarRing2 2s cubic-bezier(0.4, 0, 0.6, 1) infinite 0.4s;
    z-index: -2;
}

@keyframes avatarRing1 {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.15);
        opacity: 0;
    }
}

@keyframes avatarRing2 {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.25);
        opacity: 0;
    }
}

/* State-based animations */
.call-avatar.listening {
    animation: avatarPulseActive 1.5s ease-in-out infinite;
    border-color: #4A90E2;
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.2), rgba(212, 175, 55, 0.2));
}

.call-avatar.speaking {
    animation: avatarPulseSpeaking 0.8s ease-in-out infinite;
    border-color: var(--primary);
}

.call-avatar.thinking {
    animation: avatarRotate 3s linear infinite;
    border-color: var(--primary-dark);
}

@keyframes avatarPulseActive {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes avatarPulseSpeaking {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.08);
    }
}

@keyframes avatarRotate {
    from {
        filter: hue-rotate(0deg);
    }
    to {
        filter: hue-rotate(360deg);
    }
}

.call-avatar img {
    width: 80px;
    height: 80px;
    filter: drop-shadow(0 4px 20px rgba(212, 175, 55, 0.5));
    will-change: transform;
}

/* Call Info */
.call-info {
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.call-name {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    letter-spacing: -0.02em;
}

.call-status {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin: 0;
    font-weight: 500;
}

.call-status.connected {
    color: var(--success);
}

.call-status.listening {
    color: #4A90E2;
}

.call-status.speaking {
    color: var(--primary);
}

.call-duration {
    font-size: 1rem;
    color: var(--text-muted);
    margin: 0;
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.05em;
}

/* Audio Visualizer - Enhanced with canvas animations */
.audio-visualizer {
    width: 100%;
    max-width: 100%;
    height: 240px;
    background: transparent;
    border: none;
    border-radius: var(--radius-xl);
    margin: var(--spacing-lg) 0;
    will-change: transform;
    transform: translateZ(0);
}

.visualizer-container {
    width: 100%;
    max-width: 100%;
    position: relative;
    padding: 0 var(--spacing-lg);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.visualizer-container::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, rgba(212, 175, 55, 0.1) 0%, transparent 70%);
    pointer-events: none;
    z-index: 1;
}

.visualizer-container::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(212, 175, 55, 0.05) 100%);
    pointer-events: none;
    z-index: 1;
}

/* Shimmer effect on visualizer when speaking */
.call-avatar.speaking ~ .call-info ~ .visualizer-container::before {
    animation: shimmerMove 3s ease-in-out infinite;
}

@keyframes shimmerMove {
    0%, 100% {
        background: radial-gradient(ellipse at 30% center, rgba(212, 175, 55, 0.15) 0%, transparent 70%);
    }
    50% {
        background: radial-gradient(ellipse at 70% center, rgba(212, 175, 55, 0.15) 0%, transparent 70%);
    }
}

/* Call Controls - Larger touch targets for mobile */
.call-controls {
    display: flex;
    gap: var(--spacing-2xl);
    align-items: center;
    justify-content: center;
    margin-top: auto;
    margin-bottom: var(--spacing-2xl);
}

.call-control-btn {
    width: 72px;
    height: 72px;
    border-radius: var(--radius-full);
    background: var(--bg-card);
    border: 3px solid var(--border-color);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
    will-change: transform;
    -webkit-tap-highlight-color: transparent;
}

/* Ripple effect on tap */
.call-control-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.3) 0%, transparent 70%);
    transform: scale(0);
    transition: transform 0.4s ease;
}

.call-control-btn:active::before {
    transform: scale(2);
}

.call-control-btn:hover {
    transform: scale(1.08);
    background: var(--bg-card-hover);
    border-color: var(--primary);
    box-shadow: 0 8px 30px -8px rgba(212, 175, 55, 0.6);
}

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

.call-control-btn svg {
    width: 28px;
    height: 28px;
    transition: transform var(--transition-base);
}

.call-control-btn:hover svg {
    transform: scale(1.1);
}

.call-control-btn.muted {
    background: linear-gradient(135deg, var(--warning), #ff8800);
    border-color: var(--warning);
    color: white;
    box-shadow: 0 8px 30px -8px rgba(245, 124, 0, 0.6);
}

.call-control-btn.end-call {
    background: linear-gradient(135deg, var(--danger), #ff4444);
    border-color: var(--danger);
    color: white;
    width: 80px;
    height: 80px;
    box-shadow: 0 8px 30px -8px rgba(198, 40, 40, 0.6);
}

.call-control-btn.end-call svg {
    width: 32px;
    height: 32px;
    transform: rotate(135deg);
}

.call-control-btn.end-call:hover {
    transform: scale(1.08);
    box-shadow: 0 12px 40px -8px rgba(239, 68, 68, 0.8);
}

.call-control-btn.end-call:hover svg {
    transform: rotate(135deg) scale(1.1);
}

/* Phone button as button not link */
.phone-call-btn {
    border: none;
    cursor: pointer;
}

.phone-call-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* Connection Quality Indicator */
.connection-indicator {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    box-shadow: var(--shadow-sm);
}

.connection-indicator .signal-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
    animation: pulse 2s infinite;
}

.connection-indicator.poor .signal-dot {
    background: var(--warning);
}

.connection-indicator.disconnected .signal-dot {
    background: var(--danger);
    animation: none;
}

/* Waveform Preview Container */
.waveform-preview {
    width: 100%;
    max-width: 100%;
    height: 60px;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2px;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.waveform-preview.active {
    opacity: 1;
}

.waveform-bar {
    width: 4px;
    height: 20px;
    background: var(--primary);
    border-radius: 2px;
    transition: height 0.1s ease;
}

/* Full screen mode toggle */
.fullscreen-toggle {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    width: 40px;
    height: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-base);
    box-shadow: var(--shadow-sm);
    z-index: 10;
}

.fullscreen-toggle:hover {
    background: var(--bg-card-hover);
    border-color: var(--primary);
}

.fullscreen-toggle svg {
    width: 20px;
    height: 20px;
    color: var(--text-secondary);
}

/* Muted state overlay */
.call-overlay.muted::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(198, 40, 40, 0.1);
    pointer-events: none;
    animation: muteFlash 2s ease-in-out infinite;
}

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

/* Loading skeleton for connection */
.call-skeleton {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
}

.skeleton-pulse {
    background: linear-gradient(90deg, var(--bg-secondary) 0%, var(--bg-card-hover) 50%, var(--bg-secondary) 100%);
    background-size: 200% 100%;
    animation: skeletonWave 1.5s ease-in-out infinite;
    border-radius: var(--radius-md);
}

@keyframes skeletonWave {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* Responsive Call Overlay - Mobile First */
@media (max-width: 480px) {
    .call-overlay-content {
        padding: var(--spacing-lg);
        gap: var(--spacing-lg);
    }

    .call-avatar {
        width: 140px;
        height: 140px;
        margin-top: var(--spacing-xl);
    }

    .call-avatar img {
        width: 70px;
        height: 70px;
    }

    .call-name {
        font-size: 1.75rem;
    }

    .call-status {
        font-size: 1rem;
    }

    .audio-visualizer {
        height: 200px;
    }

    .call-control-btn {
        width: 64px;
        height: 64px;
    }

    .call-control-btn.end-call {
        width: 72px;
        height: 72px;
    }

    .call-controls {
        gap: var(--spacing-xl);
        margin-bottom: var(--spacing-xl);
    }
}

/* Tablet optimizations */
@media (min-width: 481px) and (max-width: 768px) {
    .audio-visualizer {
        height: 220px;
    }
}

/* Desktop - maintain good spacing */
@media (min-width: 769px) {
    .call-overlay-content {
        max-width: 500px;
        height: auto;
        padding: var(--spacing-2xl);
        border-radius: var(--radius-xl);
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        box-shadow: var(--shadow-lg);
    }

    .audio-visualizer {
        max-width: 400px;
        height: 180px;
    }
}

/* ==========================================
   Premium Gold Theme Enhancements
   ========================================== */

/* Gold shimmer animation */
@keyframes goldShimmer {
    0% {
        background-position: -200% center;
    }
    100% {
        background-position: 200% center;
    }
}

/* Gold pulse animation */
@keyframes goldPulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(212, 175, 55, 0.7);
    }
    50% {
        box-shadow: 0 0 0 15px rgba(212, 175, 55, 0);
    }
}

/* GPU acceleration for better mobile performance */
.call-avatar,
.call-control-btn,
.audio-visualizer,
.message-bubble,
.send-btn {
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

/* Optimize rendering for animations */
.call-overlay.active,
.call-avatar,
.call-avatar::before,
.call-avatar::after {
    will-change: transform, opacity;
}

/* Reset will-change after animation completes */
.call-overlay:not(.active) {
    will-change: auto;
}

/* Touch action optimization */
.call-control-btn,
.send-btn,
.phone-call-btn,
.language-toggle {
    touch-action: manipulation;
    -webkit-user-select: none;
    user-select: none;
}

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

/* Gold button hover effects */
.phone-call-btn {
    position: relative;
    overflow: hidden;
}

.phone-call-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    transition: left 0.5s ease;
}

.phone-call-btn:hover::before {
    left: 100%;
}

.phone-call-btn:hover {
    box-shadow: var(--shadow-gold);
    animation: goldPulse 1.5s infinite;
}

/* Language toggle animation */
.language-toggle::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(212, 175, 55, 0.1), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.language-toggle:hover::before {
    transform: translateX(100%);
}

.lang-text {
    animation: fadeIn 0.3s ease;
}

/* Enhanced message bubbles */
.message {
    animation: fadeIn 0.4s ease;
}

.message-bubble {
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.user-message .message-bubble {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    position: relative;
    overflow: hidden;
}

.user-message .message-bubble::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        120deg,
        transparent 0%,
        rgba(255, 255, 255, 0.1) 50%,
        transparent 100%
    );
    background-size: 200% 100%;
}

.ai-message .message-bubble {
    border: 1px solid var(--border-color);
    background: var(--bg-card);
}

.ai-message .message-bubble:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}

/* Enhanced typing indicator */
.typing-dots span {
    background: var(--primary);
    box-shadow: 0 0 10px rgba(212, 175, 55, 0.3);
}

/* Welcome screen animation */
.chat-welcome {
    animation: fadeIn 0.6s ease;
}

.welcome-icon {
    position: relative;
}

.welcome-icon::after {
    content: '';
    position: absolute;
    inset: -10px;
    border-radius: inherit;
    background: radial-gradient(circle, var(--gold-shimmer) 0%, transparent 70%);
    opacity: 0.3;
    animation: goldPulse 3s infinite;
}

/* Enhanced input area */
.chat-input-wrapper:focus-within {
    box-shadow: var(--shadow-gold);
    border-color: var(--primary);
}

.send-btn {
    position: relative;
    overflow: hidden;
}

.send-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        45deg,
        transparent 30%,
        rgba(255, 255, 255, 0.2) 50%,
        transparent 70%
    );
    background-size: 200% 200%;
    animation: goldShimmer 3s linear infinite;
}

.send-btn:hover {
    box-shadow: var(--shadow-gold);
}

/* Call avatar animation */
.call-avatar {
    position: relative;
    animation: goldPulse 2s infinite;
}

.call-avatar img {
    filter: drop-shadow(0 0 20px rgba(212, 175, 55, 0.4));
}

/* Enhanced header */
.chat-header {
    box-shadow: var(--shadow-sm);
}

.chat-logo img {
    transition: all var(--transition-base);
}

.chat-logo:hover img {
    transform: scale(1.05);
    filter: drop-shadow(0 0 10px rgba(212, 175, 55, 0.5));
}

/* Status indicator animations */
.call-status {
    transition: color var(--transition-base);
}

.call-status::before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: var(--spacing-xs);
    background: currentColor;
}

.call-status.connected::before {
    animation: pulse 2s infinite;
}

.call-status.listening::before {
    animation: pulse 1.5s infinite;
    background: #4A90E2;
}

.call-status.speaking::before {
    animation: pulse 0.8s infinite;
    background: var(--primary);
}

/* Enhanced button feedback */
.call-control-btn::after {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: inherit;
    background: linear-gradient(135deg, transparent, rgba(212, 175, 55, 0.2));
    opacity: 0;
    transition: opacity var(--transition-base);
    pointer-events: none;
}

.call-control-btn:hover::after {
    opacity: 1;
}

/* Smooth state transitions for avatar */
.call-avatar {
    transition: border-color 0.3s ease, background 0.3s ease;
}

/* Enhanced mute button state */
.call-control-btn.muted svg {
    animation: muteShake 0.5s ease;
}

@keyframes muteShake {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(-10deg); }
    75% { transform: rotate(10deg); }
}

/* End call button pulse on long press */
.call-control-btn.end-call:active {
    animation: endCallPulse 0.3s ease;
}

@keyframes endCallPulse {
    0% { transform: scale(1); }
    50% { transform: scale(0.92); }
    100% { transform: scale(0.95); }
}

/* Smooth transitions for all interactive elements */
button, .lang-btn, .message-bubble, .chat-input-wrapper {
    transition: all var(--transition-base);
}

/* Gold glow on active elements */
.chat-input:focus {
    outline: none;
}

/* Enhanced scrollbar for webkit browsers */
::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--primary), var(--accent));
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--accent), var(--primary));
}

/* Loading state animation */
@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Elegant page load animation */
body {
    animation: fadeIn 0.5s ease;
}

/* ==========================================
   Store Cards Styling
   ========================================== */

.store-cards-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
}

.store-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.store-card:hover {
    border-color: var(--border-color-hover);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.store-card-image {
    width: 100%;
    height: 120px;
    background-size: cover;
    background-position: center;
    background-color: var(--bg-tertiary);
    background-repeat: no-repeat;
}

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

.store-card-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

.store-card-info {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-md);
}

.store-category,
.store-level {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--primary-light);
    color: var(--text-primary);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
}

.store-level {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.store-description {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.store-card-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.store-phone,
.store-map-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-base);
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.store-phone:hover,
.store-map-btn:hover {
    background: var(--primary);
    color: var(--text-on-gold);
    border-color: var(--primary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.store-map-btn {
    background: var(--primary);
    color: var(--text-on-gold);
    border-color: var(--primary);
}

.store-map-btn:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    box-shadow: var(--shadow-gold);
}

.store-phone svg,
.store-map-btn svg {
    flex-shrink: 0;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .store-cards-container {
        padding: var(--spacing-sm) 0;
    }
    
    .store-card-content {
        padding: var(--spacing-md);
    }
    
    .store-card-name {
        font-size: 1.125rem;
    }
    
    .store-card-actions {
        flex-direction: column;
    }
    
    .store-phone,
    .store-map-btn {
        width: 100%;
        justify-content: center;
    }
}