/* ============================================================
   NexMeet — Global Design System
   ============================================================ */

:root {
    --bg-900: #0a0a0f;
    --bg-800: #111118;
    --bg-700: #16161f;
    --bg-600: #1c1c28;
    --bg-500: #22223a;
    --surface: #1a1a2e;
    --surface-2: #20203a;

    --primary: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    --primary-glow: rgba(99, 102, 241, 0.25);

    --accent: #8b5cf6;
    --accent-light: #a78bfa;

    --blue: #3b82f6;
    --blue-glow: rgba(59, 130, 246, 0.25);
    --cyan: #06b6d4;
    --green: #10b981;
    --red: #ef4444;
    --amber: #f59e0b;

    --text-100: #f1f5f9;
    --text-200: #cbd5e1;
    --text-400: #94a3b8;
    --text-600: #64748b;

    --border: rgba(255, 255, 255, 0.07);
    --border-hover: rgba(255, 255, 255, 0.14);

    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
    --shadow: 0 4px 24px rgba(0,0,0,0.5);
    --shadow-lg: 0 12px 48px rgba(0,0,0,0.6);
    --shadow-purple: 0 0 40px rgba(99,102,241,0.2);

    --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-900);
    color: var(--text-100);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* ============================================================
   UTILITIES
   ============================================================ */

.gradient-text {
    background: linear-gradient(135deg, var(--primary-light), var(--accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================================
   BUTTONS
   ============================================================ */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius);
    font-family: 'Inter', sans-serif;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    box-shadow: 0 4px 15px var(--primary-glow);
}
.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(99,102,241,0.4);
}
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
    background: var(--bg-600);
    color: var(--text-100);
    border: 1px solid var(--border-hover);
}
.btn-secondary:hover {
    background: var(--bg-500);
    border-color: var(--primary);
    color: var(--primary-light);
}

.btn-ghost {
    background: transparent;
    color: var(--text-400);
    border: 1px solid var(--border);
}
.btn-ghost:hover { background: var(--bg-600); color: var(--text-100); }

.btn-sm { padding: 7px 14px; font-size: 0.8125rem; }

.btn-outline {
    background: transparent;
    color: var(--primary-light);
    border: 1px solid var(--primary);
}
.btn-outline:hover { background: var(--primary-glow); }

/* ============================================================
   HOME PAGE — NAVBAR
   ============================================================ */

.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 48px;
    height: 64px;
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.logo-icon svg { display: block; }

.brand-name {
    font-size: 1.25rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-light), var(--accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    text-decoration: none;
    color: var(--text-400);
    font-size: 0.875rem;
    font-weight: 500;
    transition: color var(--transition);
}
.nav-link:hover { color: var(--text-100); }

/* ============================================================
   HOME PAGE — HERO
   ============================================================ */

.hero {
    position: relative;
    min-height: calc(100vh - 64px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 80px 24px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.35;
    animation: float 8s ease-in-out infinite;
}
.orb-1 {
    width: 600px; height: 600px;
    background: radial-gradient(circle, #6366f1, transparent);
    top: -200px; left: -150px;
    animation-delay: 0s;
}
.orb-2 {
    width: 500px; height: 500px;
    background: radial-gradient(circle, #8b5cf6, transparent);
    bottom: -100px; right: -100px;
    animation-delay: 3s;
}
.orb-3 {
    width: 350px; height: 350px;
    background: radial-gradient(circle, #06b6d4, transparent);
    top: 50%; left: 60%;
    transform: translate(-50%, -50%);
    animation-delay: 6s;
    opacity: 0.15;
}

@keyframes float {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-20px) scale(1.05); }
}

.hero-content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 900px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(99, 102, 241, 0.12);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--primary-light);
    margin-bottom: 28px;
}

.badge-dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 8px var(--green);
    animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: var(--text-100);
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-400);
    line-height: 1.7;
    margin-bottom: 56px;
    max-width: 680px;
}

/* ── Action Area ── */
.action-area {
    display: flex;
    align-items: stretch;
    gap: 0;
    background: var(--bg-700);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg), var(--shadow-purple);
    width: 100%;
    max-width: 760px;
}

.action-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px 28px;
    flex: 1;
}

.primary-card { border-right: 1px solid var(--border); }

.card-icon {
    width: 48px; height: 48px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.card-icon.purple { background: linear-gradient(135deg, var(--primary), var(--accent)); }
.card-icon.blue { background: linear-gradient(135deg, var(--blue), var(--cyan)); }

.card-text { flex: 1; text-align: left; }
.card-text h3 { font-size: 0.9375rem; font-weight: 600; margin-bottom: 2px; }
.card-text p { font-size: 0.8125rem; color: var(--text-400); }

.divider-line {
    display: flex;
    align-items: center;
    padding: 0 4px;
    color: var(--text-600);
    font-size: 0.75rem;
    font-weight: 500;
}

.join-input-group {
    display: flex;
    gap: 8px;
    align-items: center;
}

.room-input {
    padding: 10px 14px;
    background: var(--bg-900);
    border: 1px solid var(--border-hover);
    border-radius: var(--radius-sm);
    color: var(--text-100);
    font-family: 'Inter', sans-serif;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    width: 130px;
    transition: all var(--transition);
    outline: none;
}
.room-input::placeholder { color: var(--text-600); font-weight: 400; letter-spacing: 0; }
.room-input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-glow); }
.room-input.input-error { border-color: var(--red); animation: shake 0.4s ease; }

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-6px); }
    75% { transform: translateX(6px); }
}

/* ============================================================
   HOME PAGE — FEATURES
   ============================================================ */

.features {
    padding: 80px 48px;
    max-width: 1300px;
    margin: 0 auto;
}

.section-title {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 56px;
    color: var(--text-100);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.feature-card {
    padding: 28px;
    background: var(--bg-700);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-slow);
    cursor: default;
}
.feature-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    background: var(--bg-600);
}

.feature-icon {
    width: 48px; height: 48px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.feature-card h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-100);
}

.feature-card p {
    font-size: 0.875rem;
    color: var(--text-400);
    line-height: 1.6;
}

/* ============================================================
   HOME PAGE — FOOTER
   ============================================================ */

.footer {
    text-align: center;
    padding: 40px 24px;
    border-top: 1px solid var(--border);
    color: var(--text-600);
    font-size: 0.875rem;
}
.footer-brand { font-size: 1.25rem; font-weight: 700; margin-bottom: 8px; }

/* ============================================================
   NAME MODAL
   ============================================================ */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.2s ease;
}

.modal {
    background: var(--bg-700);
    border: 1px solid var(--border-hover);
    border-radius: var(--radius-xl);
    padding: 40px;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-lg), var(--shadow-purple);
    animation: slideUp 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal h2 {
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.modal p {
    font-size: 0.875rem;
    color: var(--text-400);
    margin-bottom: 24px;
}

.modal-input {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-900);
    border: 1px solid var(--border-hover);
    border-radius: var(--radius);
    color: var(--text-100);
    font-family: 'Inter', sans-serif;
    font-size: 0.9375rem;
    margin-bottom: 24px;
    outline: none;
    transition: all var(--transition);
}
.modal-input::placeholder { color: var(--text-600); }
.modal-input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-glow); }
.modal-input.input-error { border-color: var(--red); animation: shake 0.4s ease; }

.modal-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

/* ============================================================
   MEETING PAGE LAYOUT
   ============================================================ */

.meeting-app {
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
    background: var(--bg-900);
}

/* ── Header ── */
.meeting-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    height: 56px;
    background: var(--bg-800);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
    z-index: 10;
}

.logo-small { display: flex; }

.meeting-info {
    display: flex;
    flex-direction: column;
    margin-left: 12px;
}

.meeting-id-label {
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--text-600);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.room-id-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--primary-light);
    font-family: 'Inter', sans-serif;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    padding: 2px 0;
    transition: color var(--transition);
}
.room-id-btn:hover { color: var(--primary-light); }

.header-center {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.meeting-time {
    font-size: 1rem;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    color: var(--text-200);
    letter-spacing: 0.05em;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.participant-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    background: var(--bg-600);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-200);
}

.connection-status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    color: var(--text-400);
}

.status-dot {
    width: 7px; height: 7px;
    border-radius: 50%;
}
.status-dot.connected { background: var(--green); box-shadow: 0 0 6px var(--green); }
.status-dot.reconnecting { background: var(--amber); animation: blink 1s ease-in-out infinite; }
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: 0.3; } }

/* ── Body ── */
.meeting-body {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* ── Video Area ── */
.video-area {
    flex: 1;
    position: relative;
    background: var(--bg-900);
    overflow: hidden;
}

/* ── Video Grid ── */
.video-grid {
    display: grid;
    width: 100%;
    height: 100%;
    gap: 6px;
    padding: 12px;
    align-content: center;
    justify-items: center;
}

.video-grid.grid-1 { grid-template-columns: 1fr; }
.video-grid.grid-2 { grid-template-columns: repeat(2, 1fr); }
.video-grid.grid-3 { grid-template-columns: repeat(2, 1fr); grid-template-rows: repeat(2, 1fr); }
.video-grid.grid-4 { grid-template-columns: repeat(2, 1fr); }
.video-grid.grid-5,
.video-grid.grid-6 { grid-template-columns: repeat(3, 1fr); }
.video-grid.grid-7,
.video-grid.grid-8,
.video-grid.grid-9 { grid-template-columns: repeat(3, 1fr); grid-template-rows: repeat(3, 1fr); }

/* ── Video Tile ── */
.video-tile {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 180px;
    background: var(--bg-700);
    border-radius: var(--radius);
    overflow: hidden;
    border: 2px solid transparent;
    transition: border-color var(--transition);
}
.video-tile:hover { border-color: var(--border-hover); }
.local-tile { outline: 2px solid rgba(99,102,241,0.4); }

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

.video-overlay {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    padding: 8px 12px;
    background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
}

.participant-name {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: white;
    text-shadow: 0 1px 4px rgba(0,0,0,0.8);
}

.media-indicators { display: flex; gap: 4px; }

.camera-off-placeholder {
    position: absolute;
    inset: 0;
    background: var(--bg-600);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

.avatar-circle {
    width: 72px; height: 72px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    font-weight: 700;
    color: white;
    text-transform: uppercase;
}

/* ── Waiting Overlay ── */
.waiting-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    z-index: 3;
}

.waiting-content {
    text-align: center;
    pointer-events: all;
}

.waiting-anim {
    position: relative;
    width: 80px; height: 80px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pulse-ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 2px solid rgba(99, 102, 241, 0.3);
    animation: pulse-ring 2.5s ease-out infinite;
}
.pulse-ring-2 { animation-delay: 1.25s; }
@keyframes pulse-ring {
    0% { transform: scale(0.8); opacity: 1; }
    100% { transform: scale(1.6); opacity: 0; }
}

.waiting-content h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-200);
}
.waiting-content p {
    font-size: 0.875rem;
    color: var(--text-400);
    margin-bottom: 16px;
}
.waiting-content strong { color: var(--primary-light); }

/* ── Side Panel ── */
.side-panel {
    width: 320px;
    flex-shrink: 0;
    background: var(--bg-800);
    border-left: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.panel-tabs {
    display: flex;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.panel-tab {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    padding: 14px;
    background: none;
    border: none;
    cursor: pointer;
    font-family: 'Inter', sans-serif;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-400);
    border-bottom: 2px solid transparent;
    transition: all var(--transition);
    position: relative;
}
.panel-tab:hover { color: var(--text-100); }
.panel-tab.active {
    color: var(--primary-light);
    border-bottom-color: var(--primary);
}

.unread-badge {
    position: absolute;
    top: 8px; right: calc(50% - 32px);
    background: var(--red);
    color: white;
    font-size: 0.6875rem;
    font-weight: 700;
    padding: 1px 5px;
    border-radius: var(--radius-full);
    min-width: 18px;
    text-align: center;
}

.panel-content {
    display: flex;
    flex-direction: column;
    flex: 1;
    overflow: hidden;
}

/* ── Chat ── */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    scrollbar-width: thin;
    scrollbar-color: var(--border) transparent;
}

.chat-msg { display: flex; flex-direction: column; max-width: 85%; }
.chat-msg.self { align-self: flex-end; align-items: flex-end; }
.chat-msg.other { align-self: flex-start; align-items: flex-start; }

.msg-sender { font-size: 0.7rem; font-weight: 600; color: var(--primary-light); margin-bottom: 3px; }
.msg-bubble {
    padding: 9px 13px;
    border-radius: var(--radius);
    font-size: 0.875rem;
    line-height: 1.5;
    word-break: break-word;
}
.chat-msg.self .msg-bubble {
    background: linear-gradient(135deg, var(--primary-dark), var(--accent));
    color: white;
    border-bottom-right-radius: 4px;
}
.chat-msg.other .msg-bubble {
    background: var(--bg-600);
    color: var(--text-100);
    border: 1px solid var(--border);
    border-bottom-left-radius: 4px;
}
.msg-time { font-size: 0.7rem; color: var(--text-600); margin-top: 3px; }

.system-msg {
    align-self: center;
    background: var(--bg-600);
    border: 1px solid var(--border);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    color: var(--text-400);
    text-align: center;
}

.chat-input-area {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    border-top: 1px solid var(--border);
    flex-shrink: 0;
}

#chatInput {
    flex: 1;
    padding: 9px 14px;
    background: var(--bg-600);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    color: var(--text-100);
    font-family: 'Inter', sans-serif;
    font-size: 0.875rem;
    outline: none;
    transition: all var(--transition);
}
#chatInput::placeholder { color: var(--text-600); }
#chatInput:focus { border-color: var(--primary); background: var(--bg-700); }

.send-btn {
    width: 36px; height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
    transition: all var(--transition);
}
.send-btn:hover { transform: scale(1.08); box-shadow: 0 4px 12px var(--primary-glow); }

/* ── Participants List ── */
.participants-list {
    flex: 1;
    overflow-y: auto;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    scrollbar-width: thin;
    scrollbar-color: var(--border) transparent;
}

.participant-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: var(--radius);
    transition: background var(--transition);
}
.participant-item:hover { background: var(--bg-600); }

.participant-avatar {
    width: 36px; height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 700;
    color: white;
    flex-shrink: 0;
}

.participant-info { display: flex; flex-direction: column; }
.participant-name-text { font-size: 0.875rem; font-weight: 500; color: var(--text-100); }
.participant-role { font-size: 0.75rem; color: var(--text-600); }

/* ============================================================
   CONTROL BAR
   ============================================================ */

.control-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    height: 76px;
    background: var(--bg-800);
    border-top: 1px solid var(--border);
    flex-shrink: 0;
    z-index: 10;
}

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

.ctrl-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 10px 14px;
    min-width: 64px;
    background: var(--bg-600);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    color: var(--text-100);
    transition: all var(--transition);
    font-family: 'Inter', sans-serif;
}
.ctrl-btn:hover {
    background: var(--bg-500);
    border-color: var(--border-hover);
    transform: translateY(-1px);
}
.ctrl-btn:active { transform: translateY(0); }

.ctrl-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-100);
}

.ctrl-label {
    font-size: 0.6875rem;
    font-weight: 500;
    color: var(--text-400);
    white-space: nowrap;
}

.ctrl-btn.ctrl-off {
    background: rgba(239,68,68,0.15);
    border-color: rgba(239,68,68,0.4);
}
.ctrl-btn.ctrl-off .ctrl-icon { color: #f87171; }
.ctrl-btn.ctrl-off .ctrl-label { color: #f87171; }

.ctrl-btn.ctrl-active {
    background: rgba(99,102,241,0.15);
    border-color: rgba(99,102,241,0.5);
}
.ctrl-btn.ctrl-active .ctrl-icon { color: var(--primary-light); }

.screen-btn { min-width: 110px; }

.leave-btn {
    background: rgba(239, 68, 68, 0.15);
    border-color: rgba(239, 68, 68, 0.4);
    color: #f87171;
}
.leave-btn:hover {
    background: rgba(239, 68, 68, 0.25);
    border-color: #ef4444;
}
.leave-btn .ctrl-icon { color: #f87171; }
.leave-btn .ctrl-label { color: #f87171; }

/* ============================================================
   TOAST
   ============================================================ */

.toast {
    position: fixed;
    bottom: 96px;
    left: 50%;
    transform: translateX(-50%) translateY(16px);
    background: var(--bg-600);
    border: 1px solid var(--border-hover);
    color: var(--text-100);
    padding: 10px 20px;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-slow);
    white-space: nowrap;
    z-index: 9999;
}
.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}
.toast.toast-success { border-color: rgba(16,185,129,0.5); color: #6ee7b7; }
.toast.toast-error { border-color: rgba(239,68,68,0.5); color: #fca5a5; }
.toast.toast-info { border-color: var(--primary); color: var(--primary-light); }


/* ============================================================
   SCROLLBARS
   ============================================================ */

::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-hover); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-600); }

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 768px) {
    .navbar { padding: 0 20px; }
    .nav-links { display: none; }
    .action-area { flex-direction: column; }
    .primary-card { border-right: none; border-bottom: 1px solid var(--border); }
    .divider-line { display: none; }
    .features { padding: 60px 20px; }
    .meeting-header { padding: 0 16px; }
    .header-right { display: none; }
    .side-panel { position: absolute; right: 0; top: 56px; bottom: 76px; z-index: 50; }
    .control-bar { padding: 0 12px; gap: 4px; }
    .ctrl-btn { min-width: 50px; padding: 8px 10px; }
    .ctrl-label { display: none; }
    .screen-btn { min-width: 50px; }
}