/* NGVoice SFU - 3-Layer Architecture Styles */

:root {
    --bg-main: #1a1f2e;
    --bg-section: #252b3b;
    --bg-input: #1e2433;
    --text-primary: #ffffff;
    --text-secondary: #8b9cb5;
    --section-title: #6b8cce;
    --title-color: #c54b6c;
    --btn-connect: #3b82f6;
    --btn-connect-hover: #2563eb;
    --btn-disconnect: #dc6b4a;
    --btn-disconnect-hover: #c45a3a;
    --btn-secondary: #4a5568;
    --btn-secondary-hover: #5a6578;
    --slider-track: #374151;
    --slider-fill: #38bdf8;
    --status-connected: #22c55e;
    --status-disconnected: #ef4444;
    --talking-color: #3b82f6;
    --active-speaker-color: #22c55e;
    --border-color: #374151;
    --muted-color: #ef4444;
}

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

body {
    font-family: 'Segoe UI', -apple-system, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
}

.container {
    max-width: 500px;
    margin: 0 auto;
    padding: 20px;
}

.header {
    text-align: center;
    margin-bottom: 24px;
}

.title {
    font-size: 28px;
    font-weight: 700;
    color: var(--title-color);
    margin-bottom: 4px;
}

.subtitle {
    font-size: 12px;
    color: var(--text-secondary);
    opacity: 0.7;
}

.section {
    background-color: var(--bg-section);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 16px;
}

.section-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--section-title);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.section-note {
    font-size: 11px;
    color: var(--text-secondary);
    margin-bottom: 12px;
    opacity: 0.8;
}

.connection-status {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
}

.status-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    transition: background-color 0.3s;
}

.status-indicator.connected {
    background-color: var(--status-connected);
    box-shadow: 0 0 8px var(--status-connected);
}

.status-indicator.disconnected {
    background-color: var(--status-disconnected);
    box-shadow: 0 0 8px var(--status-disconnected);
}

.status-text {
    font-size: 14px;
    color: var(--text-secondary);
}

.input-group {
    margin-bottom: 12px;
}

.input-field {
    width: 100%;
    padding: 10px 14px;
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 14px;
}

.input-field:focus {
    outline: none;
    border-color: var(--btn-connect);
}

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

.input-small {
    width: 80px;
    text-align: center;
}

.btn {
    padding: 12px 20px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-connect {
    width: 100%;
    background-color: var(--btn-connect);
    color: white;
    margin-bottom: 8px;
}

.btn-connect:hover:not(:disabled) {
    background-color: var(--btn-connect-hover);
}

.btn-disconnect {
    width: 100%;
    background-color: var(--btn-disconnect);
    color: white;
}

.btn-disconnect:hover:not(:disabled) {
    background-color: var(--btn-disconnect-hover);
}

.btn-secondary {
    background-color: var(--btn-secondary);
    color: white;
    padding: 10px 16px;
}

.btn-secondary:hover:not(:disabled) {
    background-color: var(--btn-secondary-hover);
}

.btn-toggle {
    background-color: var(--btn-secondary);
    color: white;
    flex: 1;
}

.btn-toggle:hover:not(:disabled) {
    background-color: var(--btn-secondary-hover);
}

.btn-toggle.active {
    background-color: var(--talking-color);
}

.btn-toggle.muted {
    background-color: var(--muted-color);
}

.btn-ptt {
    width: 100%;
    padding: 20px;
    background-color: var(--bg-input);
    border: 2px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 16px;
}

.btn-ptt:hover:not(:disabled) {
    border-color: var(--slider-fill);
    color: var(--text-primary);
}

.btn-ptt.active {
    background-color: var(--talking-color);
    border-color: var(--talking-color);
    color: white;
}

.btn-ptt:disabled {
    opacity: 0.3;
}

.channel-controls {
    display: flex;
    gap: 8px;
}

.control-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.control-row .label {
    min-width: 80px;
    font-size: 14px;
    color: var(--text-secondary);
}

.control-row .value {
    min-width: 50px;
    font-size: 14px;
    text-align: right;
}

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

.slider {
    flex: 1;
    -webkit-appearance: none;
    height: 8px;
    background: var(--slider-track);
    border-radius: 4px;
    cursor: pointer;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    background: var(--slider-fill);
    border-radius: 50%;
    cursor: pointer;
}

.level-meter-container {
    flex: 1;
    height: 24px;
    background: var(--slider-track);
    border-radius: 4px;
    position: relative;
}

.level-meter {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--status-connected), #fbbf24, var(--status-disconnected));
    border-radius: 4px;
    transition: width 0.05s;
    position: absolute;
}

.gate-slider-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    -webkit-appearance: none;
    background: transparent;
    cursor: pointer;
    z-index: 2;
}

.gate-slider-overlay::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 4px;
    height: 32px;
    background: white;
    border-radius: 2px;
    cursor: ew-resize;
    box-shadow: 0 0 4px rgba(0, 0, 0, 0.5);
}

.members-list {
    max-height: 250px;
    overflow-y: auto;
}

.member-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    background-color: var(--bg-input);
    border-radius: 8px;
    margin-bottom: 8px;
    border: 1px solid transparent;
}

.member-item:last-child {
    margin-bottom: 0;
}

.member-item.talking {
    background-color: rgba(59, 130, 246, 0.2);
    border-color: var(--talking-color);
}

.member-item.self {
    border-color: var(--section-title);
}

.member-name {
    flex: 0 0 120px;
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.member-name .self-tag {
    color: var(--text-secondary);
    font-weight: 400;
    font-size: 12px;
    margin-left: 4px;
}

.member-name .active-tag {
    color: var(--active-speaker-color);
    font-size: 12px;
    margin-left: 4px;
}

.member-name .muted-tag {
    color: var(--text-secondary);
    font-size: 12px;
    margin-left: 4px;
    opacity: 0.6;
}

.member-volume {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 8px;
}

.member-slider {
    flex: 1;
    height: 6px;
}

.member-value {
    min-width: 45px;
    font-size: 12px;
    color: var(--text-secondary);
    text-align: right;
}

.empty-state {
    color: var(--text-secondary);
    font-size: 14px;
    text-align: center;
    padding: 20px;
}

.log-container {
    max-height: 150px;
    overflow-y: auto;
    background-color: var(--bg-input);
    border-radius: 8px;
    padding: 12px;
    font-family: 'Consolas', monospace;
    font-size: 12px;
}

.log-entry {
    color: var(--text-secondary);
    margin-bottom: 4px;
    word-break: break-word;
}

.log-entry:last-child {
    margin-bottom: 0;
}

.log-entry.error {
    color: var(--status-disconnected);
}

.log-entry.success {
    color: var(--status-connected);
}

.log-entry.info {
    color: var(--slider-fill);
}

.ptt-section {
    padding: 12px;
}

.ptt-section.hidden {
    display: none;
}

::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-input);
    border-radius: 3px;
}

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

@media (max-width: 540px) {
    .container {
        padding: 12px;
    }

    .title {
        font-size: 24px;
    }

    .section {
        padding: 12px;
    }

    .member-name {
        flex: 0 0 90px;
    }
}