/* Reset and base */
* { margin: 0; padding: 0; }
body { overflow: hidden; background: #000; }
canvas { display: block; width: 100vw; height: 100vh; }

/* Shared styles */
.overlay {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.overlay-content {
    color: white;
    font-family: monospace;
    text-align: center;
}

.section-label {
    font-size: 11px;
    color: #666;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Setup overlay */
#setup-overlay {
    background: rgba(0,0,0,0.85);
    z-index: 200;
}

#setup-overlay .overlay-content {
    max-width: 500px;
    padding: 30px;
}

.setup-title {
    font-size: 20px;
    margin-bottom: 24px;
    font-weight: normal;
    letter-spacing: 2px;
}

/* Backend selector */
.backend-selector {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.backend-btn {
    background: #111;
    border: 2px solid #333;
    color: #888;
    padding: 14px 24px;
    font-family: monospace;
    font-size: 13px;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.2s;
}

.backend-btn.selected {
    border-color: #0f0;
    color: #fff;
}

/* Config sections */
.config-section {
    margin-bottom: 24px;
}

.config-input {
    width: 100%;
    padding: 12px;
    background: #0a0a0a;
    border: 1px solid #333;
    color: #fff;
    font-family: monospace;
    font-size: 14px;
    border-radius: 4px;
    box-sizing: border-box;
}

.config-input + .section-label {
    margin-top: 12px;
    display: block;
}

.config-link {
    display: inline-block;
    color: #666;
    font-size: 11px;
    margin-top: 8px;
    text-decoration: none;
}

.config-hint {
    color: #666;
    font-size: 11px;
    margin-top: 8px;
}

.config-hint code {
    background: #222;
    padding: 2px 6px;
    border-radius: 3px;
}

/* Error message */
#setup-error {
    color: #f66;
    font-size: 12px;
    margin-bottom: 16px;
    display: none;
}

/* Start button */
.start-btn {
    background: #0f0;
    border: none;
    color: #000;
    padding: 14px 48px;
    font-family: monospace;
    font-size: 14px;
    font-weight: bold;
    cursor: pointer;
    border-radius: 4px;
    letter-spacing: 1px;
}

/* Start/connecting overlay */
#start-overlay {
    background: rgba(0,0,0,0.5);
    display: none;
    z-index: 100;
}

.state-title {
    font-size: 20px;
    margin-bottom: 8px;
    letter-spacing: 2px;
}

.state-subtitle {
    font-size: 12px;
    opacity: 0.5;
}

#connecting-state .state-title {
    opacity: 0.7;
}

#error-state .state-title {
    color: #f66;
}

#error-message {
    font-size: 12px;
    opacity: 0.7;
    color: #f99;
}

#error-state .state-subtitle {
    margin-top: 12px;
}

/* Hidden state utility */
.hidden {
    display: none;
}

/* Agent UI panel */
#agent-ui {
    position: fixed;
    bottom: 20px;
    left: 20px;
    background: rgba(0, 0, 0, 0.85);
    color: #fff;
    font-family: monospace;
    font-size: 12px;
    padding: 15px;
    border-radius: 8px;
    z-index: 1000;
    width: 300px;
    display: none;
}

#agent-ui.visible {
    display: block;
}

#agent-ui .status {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

#agent-ui .status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #666;
}

#agent-ui .status-dot.connected {
    background: #0f0;
}

#agent-ui .status-dot.listening {
    background: #f00;
    animation: pulse 1s infinite;
}

#agent-ui .status-dot.speaking {
    background: #00f;
    animation: pulse 0.5s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

#agent-ui .transcript {
    max-height: 150px;
    overflow-y: auto;
    margin-bottom: 10px;
    padding: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

#agent-ui .transcript-entry {
    margin-bottom: 8px;
}

#agent-ui .transcript-entry.user {
    color: #8cf;
}

#agent-ui .transcript-entry.agent {
    color: #8f8;
}

#agent-ui .badge {
    background: #333;
    border: 1px solid #555;
    color: #888;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 10px;
    text-align: center;
}

#agent-ui .hint {
    color: #666;
    font-size: 10px;
    margin-top: 8px;
    text-align: center;
}