/* Potok V2 - Dark/Light Theme System */
/* Dark theme is default */

:root[data-theme="dark"] {
    /* Dark Theme - Deep Space */
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #1e3a5f 100%);
    
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --accent-primary: #3b82f6;
    --accent-secondary: #8b5cf6;
    --accent-gradient: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    --accent-hover: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
    
    --success: #22c55e;
    --success-bg: rgba(34, 197, 94, 0.1);
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.1);
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.1);
    
    --border-color: #334155;
    --border-light: #475569;
    
    --card-bg: rgba(30, 41, 59, 0.8);
    --card-border: rgba(51, 65, 85, 0.5);
    --card-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    
    --input-bg: #1e293b;
    --input-border: #334155;
    --input-focus: #3b82f6;
    
    --glass-bg: rgba(15, 23, 42, 0.7);
    --glass-border: rgba(51, 65, 85, 0.5);
    
    --glow: 0 0 20px rgba(59, 130, 246, 0.3);
    --glow-strong: 0 0 30px rgba(59, 130, 246, 0.5);
}

:root[data-theme="light"] {
    /* Light Theme - Frutiger Aero Water */
    --bg-primary: #e0f4ff;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f0f9ff;
    --bg-gradient: linear-gradient(135deg, #e0f4ff 0%, #b8e4ff 50%, #7ec8f0 100%);
    
    --text-primary: #1a4d6e;
    --text-secondary: #3d7a99;
    --text-muted: #5a9bb8;
    
    --accent-primary: #00a8e8;
    --accent-secondary: #4cc9f0;
    --accent-gradient: linear-gradient(135deg, #00a8e8 0%, #4cc9f0 100%);
    --accent-hover: linear-gradient(135deg, #0077b6 0%, #0096c7 100%);
    
    --success: #22c55e;
    --success-bg: rgba(34, 197, 94, 0.1);
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.1);
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.1);
    
    --border-color: #bae6fd;
    --border-light: #7dd3fc;
    
    --card-bg: rgba(255, 255, 255, 0.9);
    --card-border: rgba(186, 230, 253, 0.5);
    --card-shadow: 0 8px 32px rgba(0, 120, 180, 0.15);
    
    --input-bg: #ffffff;
    --input-border: #bae6fd;
    --input-focus: #00a8e8;
    
    --glass-bg: rgba(255, 255, 255, 0.5);
    --glass-border: rgba(186, 230, 253, 0.6);
    
    --glow: 0 0 20px rgba(0, 168, 232, 0.3);
    --glow-strong: 0 0 30px rgba(0, 168, 232, 0.5);
}

/* Default to dark theme */
:root {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #1e3a5f 100%);
    
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --accent-primary: #3b82f6;
    --accent-secondary: #8b5cf6;
    --accent-gradient: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    --accent-hover: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
    
    --success: #22c55e;
    --success-bg: rgba(34, 197, 94, 0.1);
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.1);
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.1);
    
    --border-color: #334155;
    --border-light: #475569;
    
    --card-bg: rgba(30, 41, 59, 0.8);
    --card-border: rgba(51, 65, 85, 0.5);
    --card-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    
    --input-bg: #1e293b;
    --input-border: #334155;
    --input-focus: #3b82f6;
    
    --glass-bg: rgba(15, 23, 42, 0.7);
    --glass-border: rgba(51, 65, 85, 0.5);
    
    --glow: 0 0 20px rgba(59, 130, 246, 0.3);
    --glow-strong: 0 0 30px rgba(59, 130, 246, 0.5);
}

/* Theme Toggle Button */
.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 10px 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: var(--card-shadow);
}

.theme-toggle:hover {
    background: var(--bg-tertiary);
    transform: translateY(-2px);
    box-shadow: var(--glow);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
}

.theme-toggle .sun-icon { display: none; }
.theme-toggle .moon-icon { display: block; }

:root[data-theme="light"] .theme-toggle .sun-icon { display: block; }
:root[data-theme="light"] .theme-toggle .moon-icon { display: none; }

/* Animated background for dark theme */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse at 20% 80%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(139, 92, 246, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(255, 255, 255, 0.03) 0%, transparent 70%);
    pointer-events: none;
    z-index: -1;
    animation: spaceShift 25s ease-in-out infinite;
}

:root[data-theme="light"] body::before {
    background: 
        radial-gradient(ellipse at 20% 80%, rgba(76, 201, 240, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(0, 168, 232, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
}

@keyframes spaceShift {
    0%, 100% { transform: scale(1) rotate(0deg); }
    50% { transform: scale(1.08) rotate(3deg); }
}

/* Stars for dark theme */
.stars {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, rgba(255,255,255,0.8), transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(255,255,255,0.6), transparent),
        radial-gradient(2px 2px at 50px 160px, rgba(255,255,255,0.7), transparent),
        radial-gradient(2px 2px at 90px 40px, rgba(255,255,255,0.5), transparent),
        radial-gradient(2px 2px at 130px 80px, rgba(255,255,255,0.6), transparent);
    background-repeat: repeat;
    background-size: 200px 200px;
    opacity: 0.3;
    animation: twinkle 5s ease-in-out infinite;
}

:root[data-theme="light"] .stars {
    display: none;
}

@keyframes twinkle {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.5; }
}

/* ========== Main App Theme Support ========== */

/* Buttons */
.btn {
    background: var(--accent-gradient);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 14px rgba(59, 130, 246, 0.4);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--glow);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    box-shadow: none;
}

.btn-secondary:hover {
    border-color: var(--accent-primary);
    box-shadow: var(--glow);
}

/* Cards and Panels */
.control-panel,
.rooms-panel,
.chat-panel,
.login-box {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--card-border);
    box-shadow: var(--card-shadow);
}

/* Inputs */
input[type="text"],
input[type="password"],
select,
textarea {
    background: var(--input-bg);
    border: 2px solid var(--input-border);
    color: var(--text-primary);
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--input-focus);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.15);
}

/* Headers */
header {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 2px solid var(--border-color);
}

.logo {
    color: var(--text-primary);
}

/* Room Cards */
.room-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
}

.room-card:hover {
    border-color: var(--accent-primary);
    box-shadow: var(--glow);
}

/* Chat */
.chat-message {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.chat-message.self {
    background: rgba(59, 130, 246, 0.2);
    border-color: var(--accent-primary);
}

/* Status Badges */
.status-badge.live {
    background: var(--danger);
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.5);
}

.status-badge.success {
    background: var(--success);
    box-shadow: 0 4px 15px rgba(34, 197, 94, 0.5);
}

/* Selectable Boxes */
.selectable-box {
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    color: var(--text-primary);
}

.selectable-box.selected {
    border-color: var(--accent-primary);
    background: rgba(59, 130, 246, 0.15);
    box-shadow: var(--glow);
}

/* Video Preview */
.video-preview {
    background: linear-gradient(135deg, #0a1628 0%, #1a3a5c 50%, #0d2840 100%);
    border: 3px solid var(--border-color);
}

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

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--accent-primary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-secondary);
}

/* Modal */
.modal-content {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--card-border);
    box-shadow: var(--card-shadow);
}

.modal-header {
    border-bottom: 1px solid var(--border-color);
}

.modal-footer {
    border-top: 1px solid var(--border-color);
}

/* Toast Notifications */
.toast {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--card-border);
    box-shadow: var(--card-shadow);
    color: var(--text-primary);
}

.toast.success {
    border-color: var(--success);
}

.toast.error {
    border-color: var(--danger);
}

.toast.warning {
    border-color: var(--warning);
}

/* Connection Status */
.connection-status {
    color: var(--text-secondary);
}

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

.connection-status.disconnected {
    color: var(--danger);
}

/* Audio Note */
.audio-note {
    background: rgba(239, 68, 68, 0.1);
    border: 2px solid rgba(239, 68, 68, 0.4);
    border-left: 5px solid var(--danger);
}

.audio-note-title {
    color: var(--danger);
}

/* Settings */
.setting-group label {
    color: var(--text-secondary);
}

/* Empty States */
.rooms-empty,
.rooms-error {
    color: var(--text-muted);
}

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

/* Preview Token Display */
.preview-token {
    background: var(--input-bg);
    border: 2px solid var(--input-border);
    color: var(--text-primary);
    font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
}

/* Code Display */
code,
.code {
    background: var(--bg-tertiary);
    color: var(--accent-primary);
    padding: 2px 6px;
    border-radius: 4px;
}

/* Links */
a {
    color: var(--accent-primary);
}

a:hover {
    color: var(--accent-secondary);
}

/* Tables */
table {
    border-color: var(--border-color);
}

th {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

td {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--border-color);
}

/* Form Elements */
.checkbox-label {
    color: var(--text-secondary);
}

/* Tooltips */
.tooltip {
    background: var(--card-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
}

/* Dropdowns */
select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

/* Progress Bars */
.progress-bar {
    background: var(--bg-tertiary);
}

.progress-bar-fill {
    background: var(--accent-gradient);
}

/* Alerts */
.alert {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.alert-info {
    border-color: var(--accent-primary);
}

.alert-success {
    border-color: var(--success);
}

.alert-warning {
    border-color: var(--warning);
}

.alert-error {
    border-color: var(--danger);
}