/* ══════════════════════════════════════════
   Voice Chat — LiveKit — Стили
   ══════════════════════════════════════════ */

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

:root {
    --bg: #0a0a0f;
    --bg-card: #15151e;
    --bg-card-hover: #1c1c2a;
    --surface: #1a1a28;
    --border: #2a2a3a;
    --text: #e8e8f0;
    --text-dim: #8888a0;
    --accent: #6c5ce7;
    --accent-glow: rgba(108, 92, 231, 0.3);
    --green: #00e676;
    --green-glow: rgba(0, 230, 118, 0.25);
    --red: #ff5252;
    --red-glow: rgba(255, 82, 82, 0.25);
    --radius: 16px;
    --radius-sm: 10px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ── Экран входа ── */
#join-screen {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(108, 92, 231, 0.08) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 50%, rgba(0, 230, 118, 0.05) 0%, transparent 60%),
        var(--bg);
}

#join-screen.hidden {
    display: none;
}

.join-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px 32px;
    width: 100%;
    max-width: 400px;
    text-align: center;
    backdrop-filter: blur(20px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.join-card h1 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
    background: linear-gradient(135deg, var(--accent), var(--green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.join-card p {
    color: var(--text-dim);
    margin-bottom: 24px;
    font-size: 14px;
}

.join-card input[type="text"] {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg);
    color: var(--text);
    font-size: 16px;
    font-family: inherit;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
    margin-bottom: 16px;
}

.join-card input[type="text"]:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.device-group {
    text-align: left;
    margin-bottom: 14px;
}

.device-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-dim);
    margin-bottom: 6px;
}

.device-select {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg);
    color: var(--text);
    font-size: 14px;
    font-family: inherit;
    outline: none;
    cursor: pointer;
    transition: border-color 0.2s;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%238888a0' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
}

.device-select:focus {
    border-color: var(--accent);
}

.btn-join {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--accent), #8b5cf6);
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: transform 0.15s, box-shadow 0.2s, opacity 0.2s;
    margin-top: 8px;
}

.btn-join:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 24px var(--accent-glow);
}

.btn-join:active {
    transform: translateY(0);
}

.btn-join:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.join-error {
    margin-top: 12px;
    color: var(--red);
    font-size: 13px;
    min-height: 20px;
}

/* ── Основной интерфейс ── */
#app {
    display: none;
    flex-direction: column;
    height: 100vh;
}

#app.active {
    display: flex;
}

/* ── Верхняя панель ── */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 24px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(10px);
}

.topbar h2 {
    font-size: 18px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.dot {
    width: 10px;
    height: 10px;
    background: var(--green);
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 8px var(--green-glow);
    animation: pulse-dot 2s ease infinite;
}

@keyframes pulse-dot {
    0%, 100% { box-shadow: 0 0 8px var(--green-glow); }
    50% { box-shadow: 0 0 16px var(--green), 0 0 24px var(--green-glow); }
}

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

.online-count {
    font-size: 13px;
    color: var(--text-dim);
    background: var(--bg);
    padding: 6px 12px;
    border-radius: 20px;
    border: 1px solid var(--border);
}

.my-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--accent);
}

.btn-mic, .btn-leave {
    width: 40px;
    height: 40px;
    border: 1px solid var(--border);
    border-radius: 50%;
    background: var(--bg);
    color: var(--text);
    font-size: 18px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-mic:hover {
    border-color: var(--accent);
    background: var(--accent-glow);
}

.btn-mic.muted {
    background: var(--red-glow);
    border-color: var(--red);
}

.btn-leave {
    border-color: var(--red);
    color: var(--red);
}

.btn-leave:hover {
    background: var(--red-glow);
}

/* ── Кнопка AI шумоподавления ── */
.btn-rnnoise {
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-rnnoise .icon-rnnoise-on { display: none; }
.btn-rnnoise .icon-rnnoise-off { display: block; }

.btn-rnnoise.active .icon-rnnoise-on { display: block; }
.btn-rnnoise.active .icon-rnnoise-off { display: none; }

.btn-rnnoise.active {
    border-color: var(--green);
    background: var(--green-glow);
}

.btn-rnnoise:not(.active) {
    border-color: var(--border);
    opacity: 0.65;
}

.btn-rnnoise:not(.active):hover {
    opacity: 1;
}

.btn-rnnoise.disabled {
    opacity: 0.35;
    cursor: not-allowed;
    pointer-events: none;
}

/* ── Кнопка настроек ── */
.btn-settings {
    width: 40px;
    height: 40px;
    border: 1px solid var(--border);
    border-radius: 50%;
    background: var(--bg);
    color: var(--text);
    font-size: 18px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-settings:hover,
.btn-settings.open {
    border-color: var(--accent);
    background: var(--accent-glow);
}

/* ── Панель настроек ── */
.settings-panel {
    max-height: 0;
    overflow: hidden;
    background: var(--surface);
    border-bottom: 1px solid transparent;
    transition: max-height 0.3s ease, padding 0.3s ease, border-color 0.3s;
    padding: 0 24px;
}

.settings-panel.open {
    max-height: 200px;
    padding: 16px 24px;
    border-bottom-color: var(--border);
}

.settings-panel .device-group {
    display: inline-block;
    width: calc(50% - 8px);
    margin-bottom: 0;
    margin-right: 8px;
}

@media (max-width: 600px) {
    .settings-panel .device-group {
        display: block;
        width: 100%;
        margin-right: 0;
        margin-bottom: 10px;
    }
}

/* ── Область пользователей ── */
.main-content {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
}

.users-area {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 16px;
    max-width: 900px;
    margin: 0 auto;
}

/* ── Карточка пользователя ── */
.user-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px 16px 16px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
}

.user-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-2px);
}

.user-card.me {
    border-color: var(--accent);
    box-shadow: 0 0 12px var(--accent-glow);
}

.user-card.speaking {
    border-color: var(--green);
    box-shadow: 0 0 20px var(--green-glow), 0 0 40px rgba(0, 230, 118, 0.1);
}

.user-card.speaking .avatar-ring {
    opacity: 1;
    transform: scale(1);
}

.user-card.muted-local .avatar {
    opacity: 0.5;
}

/* ── Аватар ── */
.avatar-wrap {
    position: relative;
    display: inline-block;
    margin-bottom: 12px;
}

.avatar-ring {
    position: absolute;
    inset: -6px;
    border-radius: 50%;
    border: 2px solid var(--green);
    opacity: 0;
    transform: scale(0.85);
    transition: all 0.3s ease;
    box-shadow: 0 0 12px var(--green-glow);
}

.avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), #8b5cf6);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    font-weight: 700;
    color: #fff;
    transition: opacity 0.3s;
}

.user-info-bottom {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.user-name {
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-tag {
    font-size: 12px;
    color: var(--text-dim);
}

/* ── Статус подключения ── */
.conn-status {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: 500;
}

.conn-status.connected {
    color: var(--green);
    background: rgba(0, 230, 118, 0.1);
}

.conn-status.connecting {
    color: #ffc107;
    background: rgba(255, 193, 7, 0.1);
}

.conn-status.failed {
    color: var(--red);
    background: rgba(255, 82, 82, 0.1);
}

/* ── Toast уведомления ── */
.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 1000;
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    pointer-events: none;
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* ── Адаптив ── */
@media (max-width: 600px) {
    .join-card {
        padding: 28px 20px;
    }

    .topbar {
        padding: 12px 16px;
        flex-wrap: wrap;
        gap: 8px;
    }

    .topbar-right {
        gap: 8px;
    }

    .main-content {
        padding: 16px;
    }

    .users-area {
        grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
        gap: 12px;
    }

    .user-card {
        padding: 18px 10px 12px;
    }

    .avatar {
        width: 46px;
        height: 46px;
        font-size: 18px;
    }
}

/* ── Скроллбар ── */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg);
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-dim);
}