/* Karvi Meet - White & Black Theme */

:root {
    --white: #ffffff;
    --black: #000000;
    --gray-50: #fafafa;
    --gray-100: #f5f5f5;
    --gray-200: #e5e5e5;
    --gray-300: #d4d4d4;
    --gray-400: #a3a3a3;
    --gray-500: #737373;
    --gray-600: #525252;
    --gray-700: #404040;
    --gray-800: #262626;
    --gray-900: #171717;
    --gray-950: #0a0a0a;

    --bg-primary: var(--white);
    --bg-secondary: var(--gray-50);
    --bg-dark: var(--gray-950);
    --bg-card: var(--white);
    --text-primary: var(--black);
    --text-secondary: var(--gray-600);
    --text-muted: var(--gray-400);
    --text-inverse: var(--white);
    --border: var(--gray-200);
    --border-dark: var(--gray-800);

    --accent: var(--black);
    --accent-hover: var(--gray-800);
    --danger: #dc2626;
    --danger-hover: #b91c1c;
    --success: #16a34a;

    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12);
    --transition: 0.2s ease;

    --header-height: 64px;
    --controls-height: 80px;
    --sidebar-width: 360px;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input, select, textarea {
    font-family: inherit;
    font-size: 1rem;
}

.hidden {
    display: none !important;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 0.9375rem;
    transition: all var(--transition);
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background: var(--gray-800);
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    color: var(--black);
    border-color: var(--black);
}

.btn-outline:hover {
    background: var(--black);
    color: var(--white);
}

.btn-lg {
    padding: 14px 28px;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

.btn-sm {
    padding: 6px 14px;
    font-size: 0.8125rem;
}

.btn-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gray-100);
    color: var(--black);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}

.btn-icon:hover {
    background: var(--gray-200);
}

.btn-icon.active,
.btn-icon.off {
    background: var(--danger);
    color: var(--white);
}

.btn-send {
    width: 40px;
    height: 40px;
    background: var(--black);
    color: var(--white);
}

.btn-send:hover {
    background: var(--gray-800);
}

/* Forms */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--text-secondary);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--white);
    color: var(--text-primary);
    transition: border-color var(--transition);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--black);
}

.error-msg {
    color: var(--danger);
    font-size: 0.875rem;
    margin-top: 12px;
    padding: 10px 14px;
    background: #fef2f2;
    border-radius: var(--radius-sm);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: var(--white);
    border-bottom: 1px solid var(--border);
    z-index: 100;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.25rem;
}

.logo.small {
    font-size: 1.1rem;
}

.nav {
    display: flex;
    gap: 32px;
}

.nav a {
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition);
}

.nav a:hover {
    color: var(--black);
}

/* Hero */
.hero {
    padding: calc(var(--header-height) + 60px) 0 80px;
    background: linear-gradient(180deg, var(--white) 0%, var(--gray-50) 100%);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content h1 {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.hero-content .highlight {
    color: var(--gray-500);
}

.hero-content p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    max-width: 480px;
}

.hero-actions {
    display: flex;
    gap: 16px;
}

.hero-visual {
    display: flex;
    justify-content: center;
}

.mock-meeting {
    background: var(--gray-950);
    border-radius: var(--radius-lg);
    padding: 16px;
    width: 100%;
    max-width: 440px;
    box-shadow: var(--shadow-lg);
}

.mock-video-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-bottom: 16px;
}

.mock-video {
    aspect-ratio: 4/3;
    background: var(--gray-800);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: flex-end;
    padding: 8px;
}

.mock-video span {
    font-size: 0.75rem;
    color: var(--white);
    background: rgba(0,0,0,0.6);
    padding: 2px 8px;
    border-radius: 4px;
}

.mock-video.active {
    border: 2px solid var(--white);
}

.mock-controls {
    display: flex;
    justify-content: center;
    gap: 12px;
}

.mock-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gray-700);
}

.mock-btn.active {
    background: var(--white);
}

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

/* Features */
.features {
    padding: 80px 0;
    background: var(--white);
}

.features h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 48px;
    font-weight: 700;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    padding: 32px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: all var(--transition);
}

.feature-card:hover {
    border-color: var(--black);
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 1.125rem;
    margin-bottom: 8px;
    font-weight: 600;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

/* Join Section */
.join-section {
    padding: 80px 0 100px;
    background: var(--gray-50);
}

.join-card {
    max-width: 440px;
    margin: 0 auto;
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.join-card h2 {
    text-align: center;
    margin-bottom: 28px;
    font-size: 1.5rem;
}

/* Footer */
.footer {
    padding: 24px 0;
    background: var(--black);
    color: var(--gray-400);
    text-align: center;
    font-size: 0.875rem;
}

/* Modal */
.modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
}

.modal-content {
    position: relative;
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 440px;
    margin: 20px;
    box-shadow: var(--shadow-lg);
}

.modal-sm {
    max-width: 380px;
}

.modal-content h2 {
    margin-bottom: 24px;
    font-size: 1.5rem;
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    font-size: 1.5rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background var(--transition);
}

.modal-close:hover {
    background: var(--gray-100);
}

/* Pre-join Screen */
.prejoin-screen {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-50);
    padding: 24px;
}

.prejoin-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 40px;
    width: 100%;
    max-width: 480px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.prejoin-header {
    margin-bottom: 24px;
}

.prejoin-card h2 {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.meeting-code {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    margin-bottom: 24px;
}

.prejoin-preview {
    position: relative;
    aspect-ratio: 16/9;
    background: var(--gray-950);
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 24px;
}

.prejoin-preview video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scaleX(-1);
}

.preview-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-900);
}

.preview-placeholder span {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--gray-700);
    color: var(--white);
    font-size: 2rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
}

.prejoin-controls {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 24px;
}

/* Meeting Room */
.page-meeting {
    overflow: hidden;
}

.meeting-room {
    height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--gray-950);
    color: var(--white);
}

.meeting-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 24px;
    background: var(--gray-900);
    border-bottom: 1px solid var(--border-dark);
    flex-shrink: 0;
}

.meeting-info {
    display: flex;
    align-items: center;
    gap: 16px;
}

.meeting-title {
    font-weight: 600;
    font-size: 0.9375rem;
}

.meeting-timer {
    font-size: 0.8125rem;
    color: var(--gray-400);
    font-variant-numeric: tabular-nums;
}

.meeting-id-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: var(--gray-800);
    border-radius: 20px;
    font-size: 0.8125rem;
    font-weight: 500;
    cursor: pointer;
    transition: background var(--transition);
    letter-spacing: 0.05em;
}

.meeting-id-badge:hover {
    background: var(--gray-700);
}

.meeting-body {
    flex: 1;
    display: flex;
    overflow: hidden;
    position: relative;
}

.video-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 16px;
    overflow: hidden;
    position: relative;
}

.video-grid {
    flex: 1;
    display: grid;
    gap: 8px;
    align-content: center;
    justify-content: center;
    height: 100%;
}

.video-grid.grid-1 { grid-template-columns: 1fr; max-width: 900px; margin: 0 auto; width: 100%; }
.video-grid.grid-2 { grid-template-columns: 1fr 1fr; }
.video-grid.grid-3,
.video-grid.grid-4 { grid-template-columns: 1fr 1fr; }
.video-grid.grid-5,
.video-grid.grid-6 { grid-template-columns: repeat(3, 1fr); }
.video-grid.grid-many { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }

.video-tile {
    position: relative;
    background: var(--gray-900);
    border-radius: var(--radius-sm);
    overflow: hidden;
    aspect-ratio: 16/9;
    min-height: 120px;
}

.video-tile video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-tile.local video {
    transform: scaleX(-1);
}

.video-tile.screen-share video {
    object-fit: contain;
    background: var(--black);
}

.video-tile.screen-share {
    grid-column: 1 / -1;
    aspect-ratio: auto;
    max-height: 70vh;
}

.video-tile .no-video {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-800);
}

.video-tile .avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--gray-600);
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
}

.video-tile .tile-label {
    position: absolute;
    bottom: 8px;
    left: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    background: rgba(0, 0, 0, 0.7);
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 500;
}

.video-tile .tile-icons {
    display: flex;
    gap: 4px;
}

.video-tile .tile-icons svg {
    width: 14px;
    height: 14px;
    opacity: 0.8;
}

.video-tile.speaking {
    outline: 2px solid var(--white);
    outline-offset: -2px;
}

.screen-share-banner {
    position: absolute;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 10px 20px;
    background: var(--white);
    color: var(--black);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    z-index: 10;
    box-shadow: var(--shadow);
}

.screen-share-banner .btn {
    background: var(--black);
    color: var(--white);
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--white);
    color: var(--black);
    display: flex;
    flex-direction: column;
    border-left: 1px solid var(--border);
    flex-shrink: 0;
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    border-bottom: 1px solid var(--border);
}

.sidebar-tabs {
    display: flex;
    gap: 4px;
}

.sidebar-tab {
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition);
}

.sidebar-tab.active {
    background: var(--black);
    color: var(--white);
}

.sidebar-close {
    width: 32px;
    height: 32px;
    font-size: 1.25rem;
    color: var(--text-muted);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sidebar-close:hover {
    background: var(--gray-100);
}

.sidebar-panel {
    display: none;
    flex: 1;
    flex-direction: column;
    overflow: hidden;
}

.sidebar-panel.active {
    display: flex;
}

/* Chat */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.chat-message {
    max-width: 85%;
}

.chat-message.own {
    align-self: flex-end;
}

.chat-message .sender {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.chat-message.own .sender {
    text-align: right;
}

.chat-message .bubble {
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    line-height: 1.5;
    word-break: break-word;
}

.chat-message:not(.own) .bubble {
    background: var(--gray-100);
}

.chat-message.own .bubble {
    background: var(--black);
    color: var(--white);
}

.chat-message .time {
    font-size: 0.6875rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.chat-message.own .time {
    text-align: right;
}

.chat-input-form {
    display: flex;
    gap: 8px;
    padding: 12px 16px;
    border-top: 1px solid var(--border);
}

.chat-input-form input {
    flex: 1;
    padding: 10px 14px;
    border: 2px solid var(--border);
    border-radius: 24px;
    outline: none;
}

.chat-input-form input:focus {
    border-color: var(--black);
}

/* Participants */
.participants-list {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
}

.participant-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-radius: var(--radius-sm);
    transition: background var(--transition);
}

.participant-item:hover {
    background: var(--gray-50);
}

.participant-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
    flex-shrink: 0;
}

.participant-info {
    flex: 1;
    min-width: 0;
}

.participant-name {
    font-weight: 500;
    font-size: 0.875rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.participant-name .you {
    color: var(--text-muted);
    font-weight: 400;
}

.participant-status {
    display: flex;
    gap: 6px;
    color: var(--text-muted);
}

.participant-status svg {
    width: 16px;
    height: 16px;
}

.participant-item.hand-raised .participant-avatar {
    outline: 2px solid var(--black);
}

/* Meeting Controls */
.meeting-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 24px;
    background: var(--gray-900);
    border-top: 1px solid var(--border-dark);
    flex-shrink: 0;
    height: var(--controls-height);
}

.controls-left,
.controls-right {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 120px;
}

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

.controls-center {
    display: flex;
    align-items: center;
    gap: 12px;
}

.control-time {
    font-size: 0.8125rem;
    color: var(--gray-400);
    font-variant-numeric: tabular-nums;
}

.control-btn {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: var(--gray-800);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}

.control-btn:hover {
    background: var(--gray-700);
}

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

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

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

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

.control-btn.sidebar-active {
    background: var(--white);
    color: var(--black);
}

/* Toast */
.toast {
    position: fixed;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%);
    padding: 12px 24px;
    background: var(--white);
    color: var(--black);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    box-shadow: var(--shadow-lg);
    z-index: 2000;
    animation: toastIn 0.3s ease;
}

@keyframes toastIn {
    from { opacity: 0; transform: translateX(-50%) translateY(10px); }
    to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* Responsive */
@media (max-width: 900px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content p {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-visual {
        order: -1;
    }

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

    .nav {
        display: none;
    }

    .hero-content h1 {
        font-size: 2.25rem;
    }
}

@media (max-width: 640px) {
    .features-grid {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: absolute;
        right: 0;
        top: 0;
        bottom: var(--controls-height);
        width: 100%;
        max-width: 100%;
        z-index: 50;
    }

    .controls-center {
        gap: 8px;
    }

    .control-btn {
        width: 44px;
        height: 44px;
    }

    .controls-left {
        display: none;
    }

    .video-grid.grid-2,
    .video-grid.grid-3,
    .video-grid.grid-4 {
        grid-template-columns: 1fr;
    }
}

/* Team Rooms Section */
.team-rooms-section {
    padding: 80px 0;
    background: var(--white);
    border-top: 1px solid var(--border);
}

.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-header h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.section-header p {
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.team-rooms-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    align-items: start;
}

.team-room-create-card,
.team-room-list-card {
    padding: 32px;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--gray-50);
}

.team-room-create-card h3,
.team-room-list-card h3 {
    margin-bottom: 20px;
    font-size: 1.125rem;
}

.slug-input-row {
    display: flex;
    align-items: center;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--white);
    overflow: hidden;
}

.slug-prefix {
    padding: 12px 12px 12px 16px;
    background: var(--gray-100);
    color: var(--text-secondary);
    font-size: 0.8125rem;
    white-space: nowrap;
    border-right: 1px solid var(--border);
}

.slug-input-row input {
    border: none;
    flex: 1;
    padding: 12px 16px;
    outline: none;
}

.form-hint {
    display: block;
    margin-top: 6px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.success-msg {
    color: var(--success);
    font-size: 0.875rem;
    margin-top: 12px;
    padding: 12px 14px;
    background: #f0fdf4;
    border-radius: var(--radius-sm);
    line-height: 1.6;
}

.success-msg a {
    color: var(--black);
    font-weight: 600;
    text-decoration: underline;
}

.team-rooms-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-height: 400px;
    overflow-y: auto;
}

.team-room-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 16px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
}

.team-room-info strong {
    display: block;
    margin-bottom: 4px;
}

.team-room-info .room-title {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    display: block;
}

.team-room-info .room-link {
    font-size: 0.75rem;
    background: var(--gray-100);
    padding: 2px 8px;
    border-radius: 4px;
    margin-top: 6px;
    display: inline-block;
}

.team-room-actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.empty-text, .loading-text {
    color: var(--text-muted);
    font-size: 0.875rem;
    text-align: center;
    padding: 24px;
}

/* Fixed Room Join Page */
.room-join-card {
    max-width: 520px;
}

.room-badge {
    display: inline-block;
    padding: 4px 12px;
    background: var(--black);
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 12px;
}

.fixed-link-box {
    margin-bottom: 24px;
    padding: 16px;
    background: var(--gray-50);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
}

.fixed-link-box label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.link-copy-row {
    display: flex;
    gap: 8px;
}

.link-copy-row input {
    flex: 1;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    background: var(--white);
}

.room-note {
    text-align: center;
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-top: 16px;
}

/* Reports Page */
.reports-page {
    padding: calc(var(--header-height) + 40px) 0 80px;
    min-height: 100vh;
    background: var(--gray-50);
}

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

.reports-header h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 8px;
}

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

.report-filters {
    display: flex;
    gap: 16px;
    align-items: flex-end;
    flex-wrap: wrap;
    padding: 24px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 24px;
}

.report-filters .form-group {
    margin-bottom: 0;
    min-width: 180px;
}

.report-loading, .report-empty {
    text-align: center;
    padding: 48px;
    color: var(--text-muted);
}

.report-summary {
    margin-bottom: 32px;
}

.report-summary h2, .report-sessions h2 {
    font-size: 1.25rem;
    margin-bottom: 20px;
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.summary-card {
    padding: 20px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.summary-label {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.summary-value {
    font-size: 1.5rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}

.session-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 16px;
}

.session-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.session-card-header span {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.session-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.session-stats div {
    padding: 10px;
    background: var(--gray-50);
    border-radius: var(--radius-sm);
}

.session-stats label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.session-stats span {
    font-weight: 600;
    font-size: 0.9375rem;
}

.session-screen-list {
    margin-top: 16px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
    font-size: 0.875rem;
}

.session-screen-list ul {
    margin-top: 8px;
    padding-left: 20px;
    color: var(--text-secondary);
}

.session-screen-list li {
    margin-bottom: 4px;
}

/* Enhanced Device Settings */
.modal-lg {
    max-width: 560px;
}

.modal-subtitle {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-top: -16px;
    margin-bottom: 24px;
}

.device-counts {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.device-count-badge {
    padding: 8px 16px;
    background: var(--gray-100);
    border-radius: 20px;
    font-size: 0.8125rem;
    font-weight: 500;
}

.device-count-badge span {
    font-weight: 700;
    color: var(--black);
}

.device-num {
    font-weight: 400;
    color: var(--text-muted);
    font-size: 0.8125rem;
}

.settings-grid {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.mic-test-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 10px;
}

.mic-level-bar {
    flex: 1;
    height: 8px;
    background: var(--gray-200);
    border-radius: 4px;
    overflow: hidden;
}

.mic-level-fill {
    height: 100%;
    width: 0%;
    background: var(--black);
    border-radius: 4px;
    transition: width 0.1s ease;
}

.settings-preview-wrap {
    margin-top: 10px;
    aspect-ratio: 16/9;
    background: var(--gray-950);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.settings-preview-wrap video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scaleX(-1);
}

.screen-sessions-list {
    margin: 20px 0;
    padding: 16px;
    background: var(--gray-50);
    border-radius: var(--radius-sm);
}

.screen-sessions-list h3 {
    font-size: 0.9375rem;
    margin-bottom: 8px;
}

.screen-sessions-list ul {
    padding-left: 20px;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.nav a.active {
    color: var(--black);
    font-weight: 600;
}

@media (max-width: 768px) {
    .team-rooms-grid {
        grid-template-columns: 1fr;
    }

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

    .session-stats {
        grid-template-columns: 1fr 1fr;
    }

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