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

:root {
    --bg-primary: #1e1f22;
    --bg-secondary: #2b2d31;
    --bg-tertiary: #313338;
    --bg-overlay: rgba(0, 0, 0, 0.25);
    --border: rgba(255, 255, 255, 0.07);
    --accent: #5865f2;
    --accent-secondary: #43b581;
    --danger: #f23f42;
    --text-primary: #f2f3f5;
    --text-secondary: #b5bac1;
    --text-muted: #8b929e;
    --tile-muted-bg: rgba(255, 255, 255, 0.04);
    --tile-speaking: rgba(67, 181, 129, 0.35);
    --shadow-soft: 0 8px 24px rgba(0, 0, 0, 0.2);
    --radius-lg: 18px;
    --radius-md: 12px;
    --radius-sm: 8px;
}

body {
    font-family: 'Inter', 'Segoe UI', sans-serif;
    background: radial-gradient(circle at top left, rgba(88, 101, 242, 0.18), transparent 35%),
                radial-gradient(circle at bottom right, rgba(235, 69, 158, 0.12), transparent 30%),
                var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    align-items: stretch;
}

.voice-channel {
    display: grid;
    grid-template-columns: 320px 1fr;
    grid-template-rows: 1fr auto;
    grid-template-areas:
        "sidebar main"
        "sidebar controls";
    width: 100%;
    min-height: 100vh;
    backdrop-filter: blur(16px);
}

.channel-sidebar {
    grid-area: sidebar;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    padding: 32px 24px;
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.channel-sidebar__head h2 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
}

.channel-sidebar__head p {
    margin-top: 4px;
    color: var(--text-muted);
    font-size: 14px;
}

.channel-sidebar__body {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding-right: 4px;
}

.channel-sidebar__footer {
    padding-top: 12px;
    border-top: 1px solid var(--border);
}

.connection-panel {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.connection-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 18px;
    box-shadow: var(--shadow-soft);
}

.connection-card__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.connection-card__header h3 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.pill {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    padding: 4px 10px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-secondary);
}

.pill--success {
    color: var(--accent-secondary);
}

.pill--danger {
    color: var(--danger);
}

.connection-status-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.connection-status-list .label {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
}

.connection-status-list .value {
    font-weight: 600;
    color: var(--text-secondary);
}

.connection-status-list .value--success {
    color: var(--accent-secondary);
}

.connection-status-list .value--danger {
    color: var(--danger);
}

.field {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 12px;
}

.field label {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
}

.field__row {
    display: flex;
    gap: 8px;
}

.input {
    background: rgba(0, 0, 0, 0.35);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    padding: 10px 12px;
    font-size: 14px;
    color: var(--text-primary);
    width: 100%;
    transition: border-color 0.2s ease;
}

.input:focus {
    outline: none;
    border-color: var(--accent);
}

.input--readonly {
    color: var(--text-secondary);
}

.icon-btn {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0 12px;
    font-size: 18px;
    line-height: 32px;
    color: var(--text-secondary);
    transition: background 0.2s ease, color 0.2s ease;
}

.icon-btn:hover {
    background: rgba(255, 255, 255, 0.18);
    color: var(--text-primary);
}

.btn {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    background: var(--accent);
    color: white;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.2s ease;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(88, 101, 242, 0.35);
}

.btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn--connected {
    background: rgba(67, 181, 129, 0.18);
    color: var(--accent-secondary);
    border-color: rgba(67, 181, 129, 0.4);
    box-shadow: none;
}

.channel-main {
    grid-area: main;
    display: flex;
    flex-direction: column;
    gap: 24px;
    padding: 40px 56px;
    overflow-y: auto;
}

.channel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.channel-header__text h1 {
    font-size: 28px;
    font-weight: 800;
    color: var(--text-primary);
}

.channel-header__text p {
    margin-top: 6px;
    color: var(--text-secondary);
    font-size: 15px;
}

.channel-header__actions {
    display: flex;
    gap: 10px;
}

.channel-pill {
    padding: 8px 16px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-secondary);
    font-size: 13px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.channel-pill.secondary {
    background: rgba(88, 101, 242, 0.2);
    border-color: rgba(88, 101, 242, 0.4);
    color: var(--accent);
}

.participants-grid {
    display: grid;
    gap: 20px;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
}

.participant-tile {
    position: relative;
    background: var(--tile-muted-bg);
    border: 1px solid transparent;
    border-radius: var(--radius-lg);
    padding: 20px 18px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.participant-tile:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.12);
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.25);
}

.participant-tile.is-speaking {
    border-color: rgba(67, 181, 129, 0.65);
    background: var(--tile-speaking);
}

.participant-tile.is-muted .participant-avatar {
    opacity: 0.6;
}

.participant-tile.is-self {
    border-color: rgba(88, 101, 242, 0.6);
}

.participant-avatar {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-size: 24px;
    font-weight: 700;
    color: white;
    position: relative;
}

.participant-initials {
    z-index: 1;
}

.participant-badge {
    position: absolute;
    bottom: -6px;
    right: -6px;
    background: var(--bg-tertiary);
    border: 2px solid var(--bg-secondary);
    border-radius: 50%;
    width: 26px;
    height: 26px;
    display: grid;
    place-items: center;
    font-size: 14px;
}

.participant-meta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.participant-name {
    font-weight: 600;
    color: var(--text-primary);
}

.participant-tag {
    font-size: 12px;
    color: var(--accent);
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.control-dock {
    grid-area: controls;
    background: linear-gradient(180deg, rgba(49, 51, 56, 0.85), rgba(35, 36, 40, 0.95));
    border-top: 1px solid var(--border);
    padding: 18px 32px;
    display: flex;
    align-items: center;
    box-shadow: 0 -8px 20px rgba(0, 0, 0, 0.25);
}

.call-controls {
    display: flex;
    width: 100%;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.call-controls__left,
.call-controls__right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.call-controls__center {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
}

.self-pill {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 8px 14px;
    font-size: 13px;
    color: var(--text-secondary);
}

.self-pill--target {
    color: var(--accent);
    border-color: rgba(88, 101, 242, 0.45);
}

.ctrl-btn {
    min-width: 120px;
    padding: 12px 18px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    font-weight: 600;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.2s ease;
}

.ctrl-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.25);
}

.ctrl-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.ctrl-btn--primary {
    background: var(--accent);
    border-color: rgba(88, 101, 242, 0.45);
}

.ctrl-btn--secondary {
    background: rgba(88, 101, 242, 0.15);
    color: var(--accent);
}

.ctrl-btn--muted {
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-secondary);
}

.ctrl-btn--danger {
    background: var(--danger);
    border-color: rgba(242, 63, 66, 0.45);
}

.connection-hint {
    font-size: 13px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.status-widget {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 13px;
}

.status-widget__label {
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
}

.status-widget__value {
    font-weight: 700;
}

.status-widget__value--online {
    color: var(--accent-secondary);
}

.status-widget__value--offline {
    color: var(--danger);
}

.status-widget__hint {
    color: var(--text-muted);
}

@media (max-width: 1100px) {
    .voice-channel {
        grid-template-columns: 1fr;
        grid-template-areas:
            "main"
            "controls";
    }

    .channel-sidebar {
        display: none;
    }

    .channel-main {
        padding: 32px 24px;
    }
}

@media (max-width: 720px) {
    .channel-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .call-controls {
        flex-direction: column;
        align-items: flex-start;
    }

    .call-controls__center {
        justify-content: flex-start;
    }
}