:root {
    --bg-color: #05070a;
    --card-bg: rgba(17, 25, 40, 0.75);
    --primary: #4f46e5;
    --primary-hover: #6366f1;
    --secondary: #10b981;
    --danger: #ef4444;
    --text-primary: #f9fafb;
    --text-secondary: #9ca3af;
    --border: rgba(255, 255, 255, 0.125);
    --glow: 0 0 20px rgba(79, 70, 229, 0.4);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    background-image:
        radial-gradient(at 0% 0%, rgba(79, 70, 229, 0.15) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(16, 185, 129, 0.1) 0px, transparent 50%);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    overflow-x: hidden;
}

.app-container {
    width: 100%;
    max-width: 1200px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo h1 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

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

.room-info {
    background: var(--card-bg);
    padding: 0.5rem 1rem;
    border-radius: 99px;
    border: 1px solid var(--border);
    font-size: 0.875rem;
}

.room-id {
    color: var(--secondary);
    font-weight: 700;
    margin-left: 0.5rem;
}

.glass-card {
    background: var(--card-bg);
    backdrop-filter: blur(16px) saturate(180%);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 3rem;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

.main-card {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.main-card h2 {
    font-family: 'Outfit', sans-serif;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(to right, #fff, #9ca3af);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.main-card p {
    color: var(--text-secondary);
    font-size: 1.125rem;
    margin-bottom: 2.5rem;
}

.action-grid {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.divider {
    display: flex;
    align-items: center;
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.divider::before,
.divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--border);
    margin: 0 1rem;
}

.input-group {
    display: flex;
    gap: 0.75rem;
}

input {
    flex: 1;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    padding: 0.75rem 1.25rem;
    border-radius: 12px;
    color: #fff;
    font-family: inherit;
    transition: all 0.3s ease;
}

input:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.08);
}

.btn {
    padding: 0.875rem 1.5rem;
    border-radius: 12px;
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-family: 'Inter', sans-serif;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-primary {
    background: var(--primary);
    color: white;
    font-size: 1.125rem;
    box-shadow: var(--glow);
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(79, 70, 229, 0.6);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
}

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

.btn-util {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.stage {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.video-container {
    padding: 0.5rem;
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 9;
}

video {
    width: 100%;
    height: 100%;
    border-radius: 18px;
    object-fit: contain;
    background: #000;
}

.video-overlay {
    position: absolute;
    top: 1.5rem;
    left: 1.5rem;
    right: 1.5rem;
    display: flex;
    justify-content: space-between;
    pointer-events: none;
}

.status-badge {
    background: var(--danger);
    padding: 0.25rem 0.75rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    animation: pulse 2s infinite;
}

.stream-info {
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    padding: 0.25rem 0.75rem;
    border-radius: 6px;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.controls-bar {
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: center;
    gap: 1rem;
}

footer {
    margin-top: auto;
    text-align: center;
    padding: 2rem 0;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.stage:fullscreen {
    padding: 0;
    background: #000;
}

.stage:fullscreen .video-container {
    border: none;
    border-radius: 0;
    height: 100vh;
    width: 100vw;
}

.stage:fullscreen #fullscreen-btn,
.stage:fullscreen #copy-room-id {
    display: none;
}

.exit-btn {
    position: absolute;
    top: 2rem;
    right: 2rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    color: white;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 100;
    display: none;
    /* Hidden by default, shown in fullscreen */
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: all 0.3s ease;
}

.stage:fullscreen .exit-btn {
    display: flex;
}

.exit-btn:hover {
    background: var(--danger);
    transform: scale(1.1);
}

.stage:fullscreen .controls-bar {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    transition: opacity 0.3s;
}

.stage:fullscreen:hover .controls-bar {
    opacity: 1;
}

@keyframes pulse {
    0% {
        opacity: 1;
    }

    50% {
        opacity: 0.6;
    }

    100% {
        opacity: 1;
    }
}