/* Sensor Bridge — iframe camera preview + status indicator */

.sensor-bridge-container {
    position: fixed;
    bottom: 16px;
    right: 16px;
    width: 160px;
    height: 120px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    border: 2px solid var(--border-color, #333);
    z-index: 1000;
    display: none;
    background: #000;
    transition: opacity 0.3s ease;
}

.sensor-bridge-container.visible {
    display: block;
}

.sensor-bridge-container #sensor-bridge-iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.sensor-bridge-close {
    position: absolute;
    top: 2px;
    left: 6px;
    z-index: 2;
    color: rgba(255, 255, 255, 0.7);
    font-size: 16px;
    cursor: pointer;
    line-height: 1;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.sensor-bridge-close:hover {
    color: #fff;
}

.sensor-bridge-status {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #888;
    z-index: 2;
}

.sensor-bridge-status.green {
    background: #4ade80;
    box-shadow: 0 0 4px #4ade80;
}

.sensor-bridge-status.yellow {
    background: #facc15;
    box-shadow: 0 0 4px #facc15;
    animation: sensor-pulse 1s ease-in-out infinite;
}

.sensor-bridge-status.red {
    background: #f87171;
    box-shadow: 0 0 4px #f87171;
}

@keyframes sensor-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* Opt-in prompt */

.sensor-optin-banner {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    margin: 8px 0;
    background: var(--bg-secondary, #1a1a2e);
    border: 1px solid var(--border-color, #333);
    border-radius: 8px;
    font-size: 13px;
    color: var(--text-secondary, #aaa);
}

.sensor-optin-banner button {
    padding: 4px 12px;
    border-radius: 6px;
    border: 1px solid var(--border-color, #333);
    background: var(--bg-primary, #0f0f1e);
    color: var(--text-primary, #e0e0e0);
    cursor: pointer;
    font-size: 12px;
    white-space: nowrap;
}

.sensor-optin-banner button.primary {
    background: var(--accent-color, #64ffda);
    color: #000;
    border-color: transparent;
}

.sensor-optin-banner button:hover {
    opacity: 0.85;
}

/* Biometrics toggle in assessment header */

.biometrics-toggle-container {
    margin: 4px 0 8px;
}

.biometrics-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    border-radius: 20px;
    border: 1px solid var(--border-color, #333);
    background: var(--bg-secondary, #1a1a2e);
    color: var(--text-secondary, #aaa);
    cursor: pointer;
    font-size: 12px;
    transition: all 0.2s ease;
}

.biometrics-toggle:hover {
    border-color: var(--accent-color, #64ffda);
    color: var(--text-primary, #e0e0e0);
}

.biometrics-icon {
    font-size: 14px;
}

.biometrics-status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #555;
    display: inline-block;
}

/* OFF state */
.biometrics-toggle[data-state="off"] .biometrics-status-dot {
    background: #555;
}

/* LOADING state */
.biometrics-toggle[data-state="loading"] {
    border-color: #facc15;
    color: #facc15;
}

.biometrics-toggle[data-state="loading"] .biometrics-status-dot {
    background: #facc15;
    animation: sensor-pulse 1s ease-in-out infinite;
}

/* ACTIVE state */
.biometrics-toggle[data-state="active"] {
    border-color: #4ade80;
    color: #4ade80;
}

.biometrics-toggle[data-state="active"] .biometrics-status-dot {
    background: #4ade80;
    box-shadow: 0 0 4px #4ade80;
    animation: biometrics-active-pulse 2s ease-in-out infinite;
}

@keyframes biometrics-active-pulse {
    0%, 100% { box-shadow: 0 0 4px #4ade80; }
    50% { box-shadow: 0 0 8px #4ade80, 0 0 12px rgba(74, 222, 128, 0.3); }
}

/* ERROR state */
.biometrics-toggle[data-state="error"] {
    border-color: #f87171;
    color: #f87171;
}

.biometrics-toggle[data-state="error"] .biometrics-status-dot {
    background: #f87171;
    box-shadow: 0 0 4px #f87171;
}