:root {
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --bg-dark: #0f172a;
    --bg-card: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --danger: #ef4444;
    --success: #22c55e;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    overflow: hidden;
    height: 100vh;
}

#app {
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.screen {
    display: none;
    width: 100%;
    height: 100%;
}

.screen.active {
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Card Styles */
.card {
    background-color: var(--bg-card);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.setup-card {
    width: 100%;
    max-width: 480px;
}

.card-header {
    text-align: center;
    margin-bottom: 2rem;
}

.card-header h1 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.card-header p {
    color: var(--text-secondary);
}

.control-group {
    margin-bottom: 1.5rem;
}

.control-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Select & Inputs */
.select-wrapper,
.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.select-wrapper select,
.input-wrapper input {
    width: 100%;
    padding: 12px 12px 12px 40px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 1rem;
    outline: none;
    transition: all 0.3s ease;
    appearance: none;
}

.select-wrapper ion-icon,
.input-wrapper ion-icon {
    position: absolute;
    left: 12px;
    color: var(--text-secondary);
    font-size: 1.2rem;
}

.select-wrapper select:focus,
.input-wrapper input:focus {
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.1);
}

.hint {
    display: block;
    margin-top: 5px;
    font-size: 0.75rem;
    color: var(--text-secondary);
    opacity: 0.7;
}

/* Buttons */
.btn {
    width: 100%;
    padding: 12px;
    border-radius: 12px;
    border: none;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.2s;
}

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

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

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    color: var(--text-primary);
}

.btn-lg {
    font-size: 1.1rem;
    padding: 15px;
}

.card-footer {
    margin-top: 2rem;
}

.divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    margin: 1.5rem 0;
}

.row {
    display: flex;
    gap: 1rem;
}

.half {
    flex: 1;
}

/* Room Layout */
.room-container {
    width: 100%;
    height: 100%;
    max-width: 1920px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    position: relative;
    background: linear-gradient(to bottom, #0f172a, #0b1120);
}

/* Main Content: Screenshare + Users */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    /* Change to column to stack screen share on top or flex as needed */
    padding: 1rem;
    gap: 1rem;
    overflow: hidden;
}

/* Screen Share Area */
#screen-share-area {
    flex: 3;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 16px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    /* Auto grid */
    gap: 10px;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 10px;
    /* transition: all 0.3s ease; */
}

.screen-share-hidden {
    flex: 0 !important;
    min-height: 0;
    padding: 0 !important;
    display: none !important;
}

.placeholder-share {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    opacity: 0.5;
}

.placeholder-share ion-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.screen-video {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 8px;
    background: #000;
}

/* User Grid */
.user-grid {
    flex: 1;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-content: flex-start;
    justify-content: center;
    overflow-y: auto;
    transition: flex 0.3s ease;
}

.user-card {
    width: 140px;
    height: 140px;
    background: var(--bg-card);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: transform 0.2s;
}

.user-card:hover {
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.2);
}

.user-card.local {
    border-color: var(--primary);
}

.avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: #334155;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
}

.avatar ion-icon {
    font-size: 30px;
    color: var(--text-secondary);
}

.user-info {
    text-align: center;
    width: 100%;
    padding: 0 10px;
}

.username {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 5px;
}

.status-indicators {
    display: flex;
    justify-content: center;
    gap: 5px;
}

.status-mic {
    font-size: 1rem;
    color: var(--success);
}

/* Control Bar */
.control-bar {
    height: 80px;
    background: rgba(30, 41, 59, 0.8);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
    z-index: 10;
}

.left-controls,
.right-controls {
    flex: 1;
    display: flex;
    align-items: center;
}

.right-controls {
    justify-content: flex-end;
    gap: 10px;
}

.center-controls {
    display: flex;
    gap: 1rem;
}

.control-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

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

.control-btn.active {
    background: var(--text-primary);
    color: var(--bg-dark);
}

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

.control-btn.danger:hover {
    background: #dc2626;
}

.connection-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--success);
    font-weight: 500;
}

.dot {
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--success);
}

/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.modal-overlay.hidden {
    opacity: 0;
    pointer-events: none;
    display: none;
}

.modal-content {
    background: rgba(30, 30, 30, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    width: 100%;
    max-width: 500px;
    padding: 2rem;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    transform: translateY(0);
    animation: modalSlideUp 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes modalSlideUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }

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

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.modal-header h2 {
    margin: 0;
    font-size: 1.5rem;
}

.close-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: color 0.2s;
}

.close-btn:hover {
    color: var(--danger);
}

.modal-body {
    margin-bottom: 20px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
}