/* app/public/css/style.css - Frutiger Aero Water Theme */
:root {
    /* Frutiger Aero Water Palette - Light blue aquatic theme */
    --bg-primary: linear-gradient(135deg, #e0f4ff 0%, #b8e4ff 50%, #7ec8f0 100%);
    --bg-solid: #e0f4ff;
    --bg-secondary: linear-gradient(180deg, rgba(255,255,255,0.9) 0%, rgba(200,230,255,0.85) 100%);
    --bg-secondary-solid: rgba(255,255,255,0.85);
    --bg-tertiary: linear-gradient(180deg, rgba(255,255,255,0.7) 0%, rgba(180,220,255,0.6) 100%);
    --bg-tertiary-solid: rgba(180,220,255,0.5);
    --glass-bg: rgba(255, 255, 255, 0.3);
    --glass-border: rgba(255, 255, 255, 0.6);
    
    --text-primary: #1a4d6e;
    --text-secondary: #3d7a99;
    --text-muted: #5a9bb8;
    
    --accent-primary: #00a8e8;
    --accent-light: #4cc9f0;
    --accent-dark: #0077b6;
    --accent-gradient: linear-gradient(180deg, #4cc9f0 0%, #00a8e8 50%, #0077b6 100%);
    --accent-hover: linear-gradient(180deg, #4cc9f0 0%, #0096c7 100%);
    
    --water-surface: linear-gradient(180deg, rgba(135,206,235,0.4) 0%, rgba(70,160,200,0.2) 100%);
    --water-deep: linear-gradient(180deg, #0077b6 0%, #005f8a 100%);
    
    --success: linear-gradient(180deg, #4ade80 0%, #22c55e 100%);
    --success-solid: #22c55e;
    --danger: linear-gradient(180deg, #f87171 0%, #ef4444 100%);
    --danger-solid: #ef4444;
    --warning: linear-gradient(180deg, #fbbf24 0%, #f59e0b 100%);
    --warning-solid: #f59e0b;
    
    --border-color: rgba(0, 120, 180, 0.3);
    --border-light: rgba(255, 255, 255, 0.5);
    --border-radius: 16px;
    --border-radius-lg: 24px;
    --border-radius-xl: 32px;
    
    --shadow-soft: 0 4px 20px rgba(0, 120, 180, 0.15);
    --shadow-medium: 0 8px 32px rgba(0, 120, 180, 0.2);
    --shadow-strong: 0 12px 48px rgba(0, 120, 180, 0.25);
    --glow: 0 0 20px rgba(76, 201, 240, 0.5);
    --glow-strong: 0 0 30px rgba(76, 201, 240, 0.7);
}

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

body {
    font-family: 'Frutiger', 'Segoe UI', 'Calibri', -apple-system, BlinkMacSystemFont, 'Roboto', sans-serif;
    background: var(--bg-primary);
    background-attachment: fixed;
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden;
}

/* Animated water background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    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%);
    pointer-events: none;
    z-index: -1;
    animation: waterShift 20s ease-in-out infinite;
}

@keyframes waterShift {
    0%, 100% { transform: scale(1) rotate(0deg); }
    50% { transform: scale(1.05) rotate(2deg); }
}

/* Bubbles animation */
@keyframes bubbleFloat {
    0%, 100% { transform: translateY(0) scale(1); opacity: 0.6; }
    50% { transform: translateY(-20px) scale(1.1); opacity: 0.3; }
}

.bubble {
    position: fixed;
    border-radius: 50%;
    background: radial-gradient(ellipse at 30% 30%, rgba(255,255,255,0.8) 0%, rgba(76,201,240,0.2) 50%, transparent 70%);
    border: 1px solid rgba(255,255,255,0.4);
    pointer-events: none;
    z-index: -1;
    animation: bubbleFloat 6s ease-in-out infinite;
}

/* Login Page */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
    overflow: hidden;
}

.login-box {
    background: var(--bg-secondary);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 48px 40px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-medium), inset 0 1px 0 rgba(255,255,255,0.6);
    width: 100%;
    max-width: 420px;
    border: 1px solid var(--glass-border);
    position: relative;
    overflow: hidden;
}

.login-box::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.3) 50%, transparent 70%);
    transform: rotate(45deg);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%) rotate(45deg); }
    100% { transform: translateX(100%) rotate(45deg); }
}

.login-box h1 {
    font-size: 2.2rem;
    margin-bottom: 8px;
    text-align: center;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: none;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.login-box .subtitle {
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 32px;
    font-size: 15px;
}

.form-group {
    margin-bottom: 24px;
    position: relative;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-tertiary);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--text-primary);
    font-size: 16px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.05);
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: var(--glow), inset 0 2px 4px rgba(0,0,0,0.05);
    transform: translateY(-2px);
}

.username-row {
    display: flex;
    gap: 10px;
    align-items: center;
}

.username-row input {
    flex: 1;
}

.input-hint {
    margin-top: 8px;
    color: var(--text-muted);
    font-size: 12px;
    font-style: italic;
}

/* Code Inputs (Login) - Frutiger Aero Style */
.code-inputs {
    display: flex;
    gap: 14px;
    justify-content: center;
    margin: 24px 0 32px;
}

.code-inputs input {
    width: 65px;
    height: 80px;
    background: linear-gradient(180deg, rgba(255,255,255,0.9) 0%, rgba(200,230,255,0.8) 100%);
    backdrop-filter: blur(10px);
    border: 3px solid rgba(0, 168, 232, 0.4);
    border-radius: 20px;
    color: var(--text-primary);
    font-size: 34px;
    text-align: center;
    font-weight: 700;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 
        inset 0 2px 8px rgba(255,255,255,0.8),
        0 4px 12px rgba(0, 168, 232, 0.2);
}

.code-inputs input:focus {
    border-color: var(--accent-primary);
    outline: none;
    background: linear-gradient(180deg, rgba(255,255,255,1) 0%, rgba(180,230,255,0.9) 100%);
    box-shadow: 
        var(--glow),
        inset 0 2px 8px rgba(255,255,255,0.9),
        0 6px 20px rgba(0, 168, 232, 0.4);
    transform: translateY(-4px) scale(1.05);
}

.attention {
    color: #e53935;
    font-weight: 700;
    text-shadow: 0 0 10px rgba(229, 57, 53, 0.3);
}

/* Buttons - Frutiger Aero Glossy */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border: 2px solid rgba(255,255,255,0.4);
    border-radius: var(--border-radius);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    position: relative;
    overflow: hidden;
    text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background: linear-gradient(180deg, rgba(255,255,255,0.4) 0%, transparent 100%);
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    pointer-events: none;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 
        0 4px 15px rgba(0, 168, 232, 0.4),
        inset 0 1px 0 rgba(255,255,255,0.4);
}

.btn-primary:hover {
    background: var(--accent-hover);
    box-shadow: 
        0 6px 25px rgba(0, 168, 232, 0.5),
        inset 0 1px 0 rgba(255,255,255,0.4);
    transform: translateY(-2px);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 10px rgba(0, 168, 232, 0.3);
}

.btn-secondary {
    background: var(--bg-tertiary);
    backdrop-filter: blur(10px);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.5);
}

.btn-secondary:hover {
    background: linear-gradient(180deg, rgba(200,230,255,0.8) 0%, rgba(150,200,240,0.7) 100%);
    border-color: var(--accent-primary);
    box-shadow: var(--glow);
    transform: translateY(-1px);
}

.btn-danger {
    background: var(--danger);
    color: white;
    box-shadow: 
        0 4px 15px rgba(239, 68, 68, 0.4),
        inset 0 1px 0 rgba(255,255,255,0.3);
}

.btn-danger:hover {
    background: linear-gradient(180deg, #f87171 0%, #dc2626 100%);
    box-shadow: 
        0 6px 25px rgba(239, 68, 68, 0.5),
        inset 0 1px 0 rgba(255,255,255,0.3);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 18px 36px;
    font-size: 18px;
    border-radius: var(--border-radius-lg);
}

.btn-sm {
    padding: 10px 18px;
    font-size: 14px;
    border-radius: var(--border-radius);
}

.btn-icon {
    padding: 12px;
    background: var(--bg-tertiary);
    backdrop-filter: blur(10px);
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.5);
}

.btn-icon:hover {
    background: linear-gradient(180deg, rgba(200,230,255,0.8) 0%, rgba(150,200,240,0.7) 100%);
    border-color: var(--accent-primary);
    box-shadow: var(--glow);
}

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

/* App Layout */
.app-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

header {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    padding: 18px 28px;
    background: var(--bg-secondary);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 2px solid var(--border-color);
    box-shadow: var(--shadow-soft);
    position: relative;
}

header::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--accent-gradient);
    opacity: 0.7;
}

.logo {
    font-size: 1.6rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    filter: drop-shadow(0 2px 4px rgba(0, 168, 232, 0.4));
}

.user-info {
    display: flex;
    align-items: center;
    gap: 14px;
    justify-self: end;
}

.header-center {
    justify-self: center;
}

.header-center .btn {
    min-width: 240px;
}

main {
    flex: 1;
    padding: 28px;
    max-width: 1280px;
    margin: 0 auto;
    width: 100%;
}

.main-block {
    display: flex;
    gap: 28px;
    align-items: flex-start;
}

/* Control Panel - Glass morphism */
.control-panel {
    background: var(--bg-secondary);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 36px;
    border-radius: var(--border-radius-lg);
    border: 2px solid var(--glass-border);
    box-shadow: var(--shadow-medium), inset 0 1px 0 rgba(255,255,255,0.5);
    flex: 2;
    position: relative;
    overflow: hidden;
}

.control-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--accent-gradient);
}

.control-panel h2 {
    margin-bottom: 28px;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 1.5rem;
    font-weight: 700;
}

.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 28px;
    margin-bottom: 36px;
}

.rooms-panel {
    background: var(--bg-secondary);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 24px 28px;
    border-radius: var(--border-radius-lg);
    border: 2px solid var(--glass-border);
    box-shadow: var(--shadow-medium), inset 0 1px 0 rgba(255,255,255,0.5);
    flex: 1;
}

.rooms-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 16px;
}

.rooms-header h2 {
    font-size: 1.2rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.rooms-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.room-card {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 16px;
    background: var(--bg-tertiary);
    backdrop-filter: blur(10px);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 14px 16px;
    transition: all 0.3s ease;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.4);
}

.room-card:hover {
    border-color: var(--accent-primary);
    box-shadow: var(--glow), inset 0 1px 0 rgba(255,255,255,0.4);
    transform: translateX(4px);
}

.room-card .btn {
    margin-left: auto;
}

.room-preview {
    width: 150px;
    min-width: 150px;
    height: 85px;
    border-radius: 12px;
    overflow: hidden;
    background: linear-gradient(135deg, #0a1628 0%, #1a3a5c 100%);
    border: 2px solid var(--border-color);
    box-shadow: inset 0 2px 8px rgba(0,0,0,0.3);
}

.room-preview-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.room-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
    min-width: 0;
}

.room-id {
    font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
    font-size: 13px;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-weight: 600;
}

.room-meta {
    color: var(--text-muted);
    font-size: 12px;
    margin-top: 4px;
}

.rooms-empty {
    color: var(--text-muted);
    padding: 8px 0;
    font-style: italic;
}

.rooms-error {
    color: var(--danger-solid);
    padding: 8px 0;
}

.stream-active-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 28px;
    align-items: start;
}

.stream-active-main {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.chat-panel {
    background: var(--bg-secondary);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 2px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    padding: 18px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    min-height: 280px;
    box-shadow: var(--shadow-medium), inset 0 1px 0 rgba(255,255,255,0.5);
}

.chat-header {
    font-weight: 700;
    color: var(--text-primary);
    font-size: 15px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border-color);
}

.chat-messages {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
    overflow-y: auto;
    padding-right: 6px;
}

.chat-messages::-webkit-scrollbar {
    width: 6px;
}

.chat-messages::-webkit-scrollbar-track {
    background: rgba(0,0,0,0.1);
    border-radius: 3px;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: var(--accent-primary);
    border-radius: 3px;
}

.chat-message {
    background: var(--bg-tertiary);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 10px 12px;
    font-size: 13px;
    color: var(--text-primary);
    word-break: break-word;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.3);
}

.chat-message.self {
    background: linear-gradient(135deg, rgba(0, 168, 232, 0.2) 0%, rgba(76, 201, 240, 0.25) 100%);
    border-color: rgba(0, 168, 232, 0.5);
    align-self: flex-end;
    box-shadow: var(--glow);
}

.chat-meta {
    font-size: 11px;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.chat-input-row {
    display: flex;
    gap: 10px;
}

.chat-input-row input {
    flex: 1;
    padding: 12px 14px;
    border-radius: var(--border-radius);
    border: 2px solid var(--border-color);
    background: var(--bg-tertiary);
    backdrop-filter: blur(10px);
    color: var(--text-primary);
    font-size: 14px;
    transition: all 0.3s ease;
}

.chat-input-row input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: var(--glow);
}

/* Audio Note - Water themed */
.audio-note {
    margin-top: 28px;
    padding: 20px 22px;
    background: linear-gradient(135deg, rgba(255, 100, 100, 0.1) 0%, rgba(255, 50, 50, 0.08) 100%);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 80, 80, 0.4);
    border-left: 5px solid #ff5252;
    border-radius: var(--border-radius);
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 20px;
    align-items: start;
    box-shadow: inset 0 2px 10px rgba(255, 80, 80, 0.1);
}

.audio-note-content {
    min-width: 0;
}

.audio-note-title {
    font-weight: 700;
    margin-bottom: 8px;
    color: #e53935;
    font-size: 15px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.audio-note-text {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.audio-note-steps {
    display: grid;
    gap: 6px;
    font-size: 13px;
    color: var(--text-secondary);
}

.audio-note-side {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 10px;
}

.audio-note-img-btn {
    padding: 0;
    border-radius: 14px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    background: linear-gradient(180deg, #f0f8ff 0%, #d0e8f5 100%);
    width: 190px;
    max-width: 190px;
    cursor: zoom-in;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.audio-note-img-btn:hover {
    box-shadow: 0 6px 20px rgba(0, 168, 232, 0.3);
    border-color: var(--accent-primary);
}

.audio-note-img-btn.is-expanded {
    width: 380px;
    max-width: 380px;
    cursor: zoom-out;
    box-shadow: 0 12px 40px rgba(0, 168, 232, 0.4);
}

.audio-note-img {
    width: 100%;
    height: auto;
    display: block;
}

.audio-note-caption {
    font-size: 12px;
    color: var(--text-muted);
    text-align: right;
    font-style: italic;
}

.setting-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.setting-group select,
.setting-group input:not([type="checkbox"]) {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-tertiary);
    backdrop-filter: blur(10px);
    color: var(--text-primary);
    font-size: 15px;
    transition: all 0.3s ease;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.05);
}

.setting-group select:focus,
.setting-group input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: var(--glow);
}

/* Selectable Boxes (Quality & FPS) - Water drops */
.selectable-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
    gap: 18px;
    margin-top: 10px;
}

.selectable-box {
    position: relative;
    background: var(--bg-tertiary);
    backdrop-filter: blur(10px);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 24px 12px;
    cursor: pointer;
    text-align: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 80px;
    font-weight: 600;
    font-size: 14px;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.4);
    overflow: hidden;
}

.selectable-box::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(76,201,240,0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.selectable-box:hover {
    border-color: var(--accent-primary);
    box-shadow: var(--glow);
    transform: translateY(-3px);
}

.selectable-box:hover::before {
    opacity: 1;
}

.selectable-box.selected {
    border: 3px solid var(--accent-primary);
    background: linear-gradient(135deg, rgba(0, 168, 232, 0.15) 0%, rgba(76, 201, 240, 0.2) 100%);
    box-shadow: var(--glow), inset 0 1px 0 rgba(255,255,255,0.5);
}

.selectable-box .box-checkmark {
    position: absolute;
    top: -6px;
    right: -6px;
    width: 26px;
    height: 26px;
    background: var(--accent-gradient);
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0, 168, 232, 0.5);
    z-index: 2;
    border: 2px solid rgba(255,255,255,0.5);
}

.selectable-box.selected .box-checkmark {
    display: flex;
}

.selectable-box .box-checkmark::after {
    content: '';
    width: 12px;
    height: 7px;
    border-left: 2px solid white;
    border-bottom: 2px solid white;
    transform: rotate(-45deg);
    margin-top: -2px;
}

.room-id-container {
    display: flex;
    gap: 10px;
}

.room-id-container input {
    flex: 1;
    font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
}

/* Stream Active */
.stream-active {
    background: var(--bg-secondary);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 36px;
    border-radius: var(--border-radius-lg);
    border: 2px solid var(--glass-border);
    box-shadow: var(--shadow-medium), inset 0 1px 0 rgba(255,255,255,0.5);
}

.stream-info {
    display: flex;
    align-items: center;
    gap: 18px;
    margin-bottom: 28px;
}

.status-badge {
    padding: 8px 18px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.status-badge.live {
    background: var(--danger);
    color: white;
    animation: pulse 2s infinite;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.5);
}

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

.status-badge.info {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(0, 168, 232, 0.5);
}

.status-badge.warn {
    background: var(--warning);
    color: white;
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.5);
}

.status-badge.error {
    background: var(--danger);
    color: white;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.5);
}

.status-badge.testing {
    background: var(--warning);
    color: white;
    animation: pulse 1s infinite;
}

.status-badge.grey {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 2px solid var(--border-color);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.4);
}

@keyframes pulse {
    0%, 100% { opacity: 1; box-shadow: 0 4px 15px rgba(239, 68, 68, 0.5); }
    50% { opacity: 0.7; box-shadow: 0 4px 25px rgba(239, 68, 68, 0.7); }
}

.viewer-count {
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
}

.share-section {
    margin-bottom: 28px;
}

.share-section label {
    display: block;
    margin-bottom: 10px;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.share-url-container {
    display: flex;
    gap: 10px;
}

.share-url-container input {
    flex: 1;
    padding: 14px 18px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-tertiary);
    backdrop-filter: blur(10px);
    color: var(--text-primary);
    font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
    font-size: 14px;
    transition: all 0.3s ease;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.05);
}

.share-url-container input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: var(--glow);
}

/* Video Preview - Water surface effect */
.video-preview {
    position: relative;
    background: linear-gradient(135deg, #0a1628 0%, #1a3a5c 50%, #0d2840 100%);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    margin-bottom: 28px;
    aspect-ratio: 16/9;
    max-height: 450px;
    border: 3px solid var(--border-color);
    box-shadow: var(--shadow-strong), inset 0 1px 0 rgba(255,255,255,0.2);
}

.video-preview::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at 50% 50%, rgba(76,201,240,0.1) 0%, transparent 70%);
    pointer-events: none;
}

.video-preview video {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.quality-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 700;
    color: white;
    border: 2px solid rgba(255,255,255,0.3);
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

/* Viewer Page */
.viewer-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: #000;
}

.viewer-container header {
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 2px solid var(--border-color);
}

.viewer-container main {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 20px;
    max-width: none;
}

.viewer-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 20px;
    align-items: start;
    justify-items: start;
}

.video-container {
    position: relative;
    width: min(50vw, 100%);
    height: 50vh;
    max-width: 50vw;
    max-height: 50vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #000;
    border: 3px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    align-self: start;
    box-shadow: var(--shadow-strong);
}

.video-container video {
    max-width: 100%;
    max-height: 100%;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.video-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(5px);
}

.video-overlay.hidden {
    display: none;
}

.loading-spinner {
    text-align: center;
}

.spinner {
    width: 56px;
    height: 56px;
    border: 4px solid rgba(0, 168, 232, 0.2);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
    box-shadow: 0 0 20px rgba(0, 168, 232, 0.4);
}

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

.video-controls {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 28px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.9));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.video-container:hover .video-controls,
.video-container.show-controls .video-controls {
    opacity: 1;
}

.live-badge {
    background: var(--danger);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    margin-right: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.5);
}

.controls-right {
    display: flex;
    gap: 10px;
    align-items: center;
}

.volume-control {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    padding: 6px 12px;
    border-radius: 30px;
    border: 1px solid rgba(255,255,255,0.2);
}

.volume-control input {
    width: 90px;
    cursor: pointer;
}

.control-btn {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: 14px;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 20px;
    transition: all 0.3s ease;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.2);
}

.control-btn:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: var(--accent-primary);
    box-shadow: var(--glow);
    transform: scale(1.05);
}

/* Connection Status */
.connection-status {
    position: fixed;
    top: 90px;
    right: 24px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 18px;
    background: var(--bg-secondary);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 30px;
    font-size: 14px;
    border: 2px solid var(--border-color);
    box-shadow: var(--shadow-medium);
    z-index: 100;
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--danger-solid);
    box-shadow: 0 0 10px rgba(239, 68, 68, 0.5);
}

.connection-status.connected .status-dot {
    background: var(--success-solid);
    box-shadow: 0 0 15px rgba(34, 197, 94, 0.6);
}

.connection-status.connecting .status-dot {
    background: var(--warning-solid);
    box-shadow: 0 0 15px rgba(245, 158, 11, 0.6);
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* Toast - Water drop style */
.toast {
    position: fixed;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--bg-secondary);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 16px 32px;
    border-radius: 30px;
    border: 2px solid var(--border-color);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
    box-shadow: var(--shadow-strong);
    font-weight: 600;
}

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

.toast.success {
    border-color: var(--success-solid);
    box-shadow: var(--shadow-strong), 0 0 20px rgba(34, 197, 94, 0.4);
}

.toast.error {
    border-color: var(--danger-solid);
    box-shadow: var(--shadow-strong), 0 0 20px rgba(239, 68, 68, 0.4);
}

/* Error Message */
.error-message {
    color: var(--danger-solid);
    font-size: 14px;
    margin-bottom: 20px;
    text-align: center;
    padding: 12px;
    background: rgba(239, 68, 68, 0.1);
    border-radius: var(--border-radius);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

/* Stats for Nerds */
.stats-panel {
    position: absolute;
    top: 20px;
    left: 20px;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 18px;
    z-index: 100;
    min-width: 280px;
    font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
    font-size: 12px;
    color: #4cc9f0;
    pointer-events: auto;
    box-shadow: var(--shadow-strong);
}

.stats-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 10px;
    color: var(--text-primary);
}

.stats-header button {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 22px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.stats-header button:hover {
    color: var(--text-primary);
    transform: scale(1.2);
}

.stats-content {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    gap: 20px;
}

.stat-label {
    color: var(--text-muted);
}

.stat-value {
    text-align: right;
}

/* Central Play Button - Water droplet */
.central-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90px;
    height: 90px;
    background: radial-gradient(ellipse at 30% 30%, rgba(76, 201, 240, 0.8) 0%, rgba(0, 168, 232, 0.6) 50%, rgba(0, 120, 180, 0.5) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 3px solid rgba(255, 255, 255, 0.4);
    box-shadow: 
        0 8px 32px rgba(0, 168, 232, 0.5),
        inset 0 4px 12px rgba(255, 255, 255, 0.3);
}

.central-play-btn:hover {
    background: radial-gradient(ellipse at 30% 30%, rgba(76, 201, 240, 1) 0%, rgba(0, 168, 232, 0.8) 50%, rgba(0, 120, 180, 0.7) 100%);
    transform: translate(-50%, -50%) scale(1.15);
    box-shadow: 
        0 12px 48px rgba(0, 168, 232, 0.7),
        inset 0 4px 12px rgba(255, 255, 255, 0.4);
}

.play-icon {
    font-size: 44px;
    color: white;
    margin-left: 6px;
    text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

/* Checkbox & Help Text */
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    font-weight: 600;
    color: var(--text-primary);
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--accent-primary);
}

.setting-help {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 6px;
    font-style: italic;
}

/* Advanced Settings Switch */
.advanced-toggle-container {
    margin: 28px 0;
    padding: 20px;
    background: var(--bg-tertiary);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    display: flex;
    justify-content: center;
    border: 2px solid var(--border-color);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.4);
}

.advanced-switch {
    position: relative;
    display: flex;
    align-items: center;
    gap: 14px;
    cursor: pointer;
    user-select: none;
}

.advanced-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.advanced-slider {
    position: relative;
    display: inline-block;
    width: 52px;
    height: 28px;
    background: linear-gradient(180deg, #555 0%, #333 100%);
    transition: .4s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 28px;
    box-shadow: inset 0 2px 8px rgba(0,0,0,0.4);
    border: 2px solid rgba(255,255,255,0.2);
}

.advanced-slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 4px;
    bottom: 4px;
    background: linear-gradient(180deg, #fff 0%, #e0e0e0 100%);
    transition: .4s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 50%;
    box-shadow: 0 2px 6px rgba(0,0,0,0.3);
}

input:checked + .advanced-slider {
    background: var(--accent-gradient);
    border-color: rgba(255,255,255,0.4);
}

input:checked + .advanced-slider:before {
    transform: translateX(24px);
}

.advanced-label {
    font-weight: 700;
    color: var(--text-secondary);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.3s ease;
}

input:checked ~ .advanced-label {
    color: var(--accent-primary);
}

.advanced-settings {
    margin-top: 28px;
    padding-top: 28px;
    border-top: 2px dashed var(--border-color);
}

.hidden {
    display: none !important;
}

.diagnostic-log {
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 14px;
    font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
    font-size: 12px;
    max-height: 220px;
    overflow-y: auto;
    color: #4cc9f0;
    box-shadow: inset 0 2px 8px rgba(0,0,0,0.5);
}

.diagnostic-log::-webkit-scrollbar {
    width: 6px;
}

.diagnostic-log::-webkit-scrollbar-track {
    background: rgba(0,0,0,0.3);
    border-radius: 3px;
}

.diagnostic-log::-webkit-scrollbar-thumb {
    background: var(--accent-primary);
    border-radius: 3px;
}

.log-entry {
    margin-bottom: 6px;
    border-bottom: 1px solid rgba(76, 201, 240, 0.2);
    padding-bottom: 4px;
}

.log-time {
    color: #666;
    margin-right: 10px;
}

.log-msg.info { color: #a0a0a0; }
.log-msg.success { color: #4ade80; text-shadow: 0 0 8px rgba(74, 222, 128, 0.5); }
.log-msg.error { color: #f87171; text-shadow: 0 0 8px rgba(248, 113, 113, 0.5); }
.log-msg.warning { color: #fbbf24; text-shadow: 0 0 8px rgba(251, 191, 36, 0.5); }

/* Responsive */
@media (max-width: 768px) {
    .main-block {
        flex-direction: column;
    }

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

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

    .room-card {
        flex-direction: column;
        align-items: flex-start;
    }

    .room-card .btn {
        margin-left: 0;
        width: 100%;
    }

    .room-preview {
        width: 100%;
        min-width: 0;
        height: 170px;
    }

    .control-panel,
    .stream-active {
        padding: 24px;
    }

    header {
        grid-template-columns: 1fr;
        justify-items: center;
        gap: 14px;
    }

    .user-info {
        justify-self: center;
        flex-wrap: wrap;
        justify-content: center;
    }

    .share-url-container {
        flex-direction: column;
    }

    .audio-note {
        grid-template-columns: 1fr;
    }

    .audio-note-side {
        align-items: flex-start;
    }

    .audio-note-img-btn,
    .audio-note-img-btn.is-expanded {
        width: 100%;
        max-width: 100%;
    }

    .audio-note-caption {
        text-align: left;
    }

    .stream-active-grid {
        grid-template-columns: 1fr;
    }

    .viewer-layout {
        grid-template-columns: 1fr;
    }

    .video-container {
        width: 100%;
        height: 45vh;
        max-width: 100%;
        max-height: 45vh;
    }

    .volume-control input {
        width: 70px;
    }
}