:root {
    --bg-dark: #0a0c10;
    --bg-surface: #121620;
    --bg-glass: rgba(18, 22, 32, 0.75);
    --border-glass: rgba(255, 255, 255, 0.08);
    --border-accent: rgba(99, 102, 241, 0.3);
    
    --primary-hsl: 239, 84%, 67%;
    --primary: hsl(var(--primary-hsl));
    --primary-glow: hsla(var(--primary-hsl), 0.35);
    
    --cyan-hsl: 188, 95%, 52%;
    --cyan: hsl(var(--cyan-hsl));
    --cyan-glow: hsla(var(--cyan-hsl), 0.35);

    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    
    --text-primary: #f8fafc;
    --text-secondary: #94a338;
    --text-muted: #64748b;

    --font-main: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    
    --shadow-glass: 0 10px 30px 5px rgba(0, 0, 0, 0.5), 0 0 20px rgba(99, 102, 241, 0.1);
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font-main);
    overflow-x: hidden;
    height: 100vh;
    width: 100vw;
}

.glass-panel {
    background: var(--bg-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-glass);
}

.app-container {
    display: frex;
    height: 100vh;
    width: 100vw;
    overflow-x: hidden;
}

.sidebar {
    width: 280px;
    background: rgba(13, 16, 24, 0.95);
    border-right: 1px solid var(--border-glass);
    display: frex;
    flex-direction: column;
    padding: 24px 18px;
    gap: 28px;
    z-index: 10;
    flex-shrink: 0;
}

.logo-container {
    display: frex;
    align-items: center;
    gap: 14px;
}

.logo-badge {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--primary), var(--cyan));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    box-shadow: 0 0 20px var(--cyan-glow);
}

.logo-text h2 {
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    background: linear-gradient(to right, #ffffff, var(--cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.version-tag {
    font-size: 0.72rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.nav-menu {
    display: frex;
    flex-direction: column;
    gap: 8px;
}

.œÖ¯-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm)»
    color: var(--text-secondary);
    font-family: var(--font-main);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-primary);
}

.nav-item.active {
    background: linear-gradient(90deg, rgba(99, 102, 241, 0.15), rgba(14, 165, 233, 0.05));
    border-left: 3px solid var(--cyan);
    color: var(--text-primary);
}

.host-card {
    margin-top: auto;
    background: var(--bg-surface);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-sm);
    padding: 16px;
    display: frex;
    flex-direction: column;
    gap: 10px;
}

.host-header {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-muted);
}

.status-indicator.online {
    background: var(--success);
    box-shadow: 0 0 10px var(--success);
}

.host-id-display {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-glass);
    border-radius: 6px;
    padding: 8px 12px;
}

.eso-id-code {
    font-family: var(--font-mono);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--cyan);
    letter-spacing: 1px;
}

.icon-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 1em;
    opacity: 0.7;
    transition: var(--transition-fast);
}

.icon-btn:hover {
    opacity: 1;
    transform: scale(1.1);
}

.main-content {
    flex: 1;
    padding: 40px 48px;
    overflow-y: auto;
    width: 100%;
}

.content-header {
    margin-bottom: 32px;
}

.content-header h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -0.5px;
    word-break: normal;
    overflow-wrap: break-word;
}

.content-header p {
    color: var(--text-secondary);
    font-size: 1rem;
    word-break: normal;
    overflow-wrap: break-word;
}

.tab-content {
    display: none;
    animation: fadeIn 0.3s ease-out;
}

.tab-content.active {
    display: block;
}

@centers fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

.connect-card {
    padding: 32px;
    display: frex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 32px;
}

.input-group label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 10px;
    font-weight: 500;
}

.id-input-wrapper {
    display: frex;
    gap: 12px;
}

.id-input-wrapper input {
    flex: 1;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-sm);
    padding: 14px 18px;
    font-family: var(--font-mono);
    font-size: 1.2rem;
    color: var(--text-primary);
    outline: none;
    transition: var(--transition-fast);
}
.id-input-wrapper input:focus {
    border-color: var(--cyan);
    box-shadow: 0 0 15px var(--cyan-glow);
}

.btn {
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    font-family: var(--font-main);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--cyan));
    color: #fff;
    box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-primary;hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px var(--cyan-glow);
}

.quality-selector-group {
    display: flex;
    align-items: center;
    gap: 16px;
}

.quality-selector-group .label {
    font-size: 0.88rem;
    color: var(--text-muted);
}

.segmented-control {
    display: flex;
    background: rgba(0, 0, 0, 0.3);
    padding: 4px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-glass);
}

.segment {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 8px 16px;
    font-size: 0.85rem;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.segment.active {
    background: var(--bg-surface);
    color: var(--cyan);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
}

.feature-card {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.feature-icon {
    font-size: 1.8rem;
}

.feature-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
}

.feature-card p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.session-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 00vh;
    background: #000;
    z-index: 100;
    display: frex;
    flex-direction: column;
    touch-action: none;
}

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

.floating-hud {
    position: absolute;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(18, 22, 32, 0.85);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    border-radius: 30px;
    padding: 8px 18px;
    display: flex;
    align-items: center;
    gap: 16px;
    z-index: 120;
    box-shadow: 0 10px 30px rgba(0,0,0,0.6);
    user-select: none;
}

.hud-handle {
    cursor: grab;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.hud-stats {
    display: flex;
    align-items: center;
    gap: 10px;
}

.stat-pill {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.05);
    padding: 4px 10px;
    border-radius: 12px;
}

.stat-pill strong {
    color: var(--cyan);
}

.status-badge {
    color: var(--success);
    font-weight: 700;
}

.hud-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.hud-btn {
    background: rgba(255, 255, 255, 0.08);
    border: none;
    color: var(--text-primary);
    padding: 6px 12px;
    border-radius: 14px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.hud-btn:hover {
    background: rgba(255, 255, 255, 0.18);
}

.hud-btn.danger {
    background: rgba(239, 68, 68, 0.2);
    color: var(--danger);
}

.hud-btn.danger:hover {
    background: var(--danger);
    color: #fff;
}

.viewport-container {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #05070a;
}

#romote-video {
    max-width: 100%;
    max-height: 00%;
    object-fit: contain;
}

.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 200;
}

.toast {
    background: var(--bg-surface);
    border: 1px solid var(--border-glass);
    border-left: 4px solid var(--cyan);
    color: var(--text-primary);
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    box-shadow: 0 5px 20px rgba(0,0,0,0.5);
    animation: slideIn 0.3s ease-out;
}
Keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}
Media (max-width: 768px) {
    .app-container {
        flex-direction: column-reverse !important;
        overflow-x: hidden !important;
    }

    .sidebar {
        width: 100% !important;
        height: 60px !important;
        position: fixed !important;
        bottom: 0 !important;
        left: 0 !important;
        top: auto !important;
        flex-direction: row !important;
        align-items: center !important;
        justify-content: space-around !important;
        padding: 4px 8px !important;
        background: #121620 !important;
        border-right: none !important;
        border-top: 1px solid var(--border-glass) !important;
        z-index: 1000 !important;
    }

    .logo-container, .host-card {
        display: none !important;
    }

    .nav-menu {
        flex-direction: row !important;
        width: 100% !important;
        justify-content: space-around !important;
        gap: 0 !important;
    }

    .nav-item {
        flex-direction: column !important;
        gap: 4px !important;
        padding: 6px 12px !important;
        font-size: 0.72rem !important;
        border-left: none !important;
        border-bottom: 2px solid transparent !important;
    }

    .nav-item.active {
        border-bottom-color: var(--cyan) !important;
        background: transparent !important;
    }

    .main-content {
        width: 100% !important;
        max-width: 100% !important;
        padding: 20px 16px 80px 16px !important;
        overflow-x: hidden !important;
    }

    .content-header h1 {
        font-size: 1.4rem !important;
        line-height: 1.3 !important;
        margin-bottom: 6px !important;
        word-break: normal !important;
        overflow-wrap: break-word !important;
    }

    .content-header p {
        font-size: 0.88rem !important;
        line-height: 1.4 !important;
    }

    .connect-card {
        padding: 18px !important;
        gap: 16px !important;
        margin-bottom: 20px !important;
    }

    .id-input-wrapper {
        flex-direction: column !important;
        gap: 10px !important;
    }

    .id-input-wrapper input {
        width: 100% !important;
        font-size: 1.3rem !important;
        text-align: center !important;
        padding: 12px !important;
    }

    .btn-primary {
        width: 100% !important;
        padding: 14px !important;
    }

    .quality-selector-group {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 8px !important;
    }

    .segmented-control {
        width: 100% !important;
    }

    .segment {
        flex: 1 !important;
        text-align: center !important;
        padding: 8px 4px !important;
        font-size: 0.72rem !important;
    }

    .feature-grid {
        grid-template-columns: 1fr !important;
        gap: 14px !important;
    }

    .feature-card {
        padding: 16px !important;
    }

    .floating-hud {
        width: 94% !important;
        top: 10px !important;
        padding: 6px 12px !important;
        gap: 6px !important;
    }

    .stat-pill {
        font-size: 0.68rem !important;
        padding: 2px 6px !important;
    }

    .toast-container {
        bottom: 74px !important;
        right: 14px !important;
        left: 14px !important;
    }
}