/**
 * Grey Agents Call-In Client Styles
 *
 * Extracted from index.html for maintainability.
 * 2025-12-12: Part of scaffolding to prevent regression cycles.
 */

/* ==========================================================================
   CSS Variables
   ========================================================================== */
:root {
    --bg-primary: #1a1a2e;
    --bg-secondary: #16213e;
    --bg-tertiary: #1f2937;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent: #7c3aed;
    --accent-hover: #6d28d9;
    --border: #374151;
    --success: #10b981;
    --error: #ef4444;
    --warning: #f59e0b;
    --local-border: #fbbf24;
}

/* ==========================================================================
   Base Styles
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ==========================================================================
   Header
   ========================================================================== */
.header {
    background: var(--bg-secondary);
    padding: 1rem 2rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.25rem;
    font-weight: 600;
}

.status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-secondary);
}

.status-dot.connected {
    background: var(--success);
}

.status-dot.error {
    background: var(--error);
}

/* ==========================================================================
   Main Layout
   ========================================================================== */
.main {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 2rem;
    gap: 2rem;
}

/* ==========================================================================
   Join Form
   ========================================================================== */
.join-form {
    max-width: 400px;
    margin: 0 auto;
    padding: 2rem;
    background: var(--bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--border);
}

.join-form h2 {
    margin-bottom: 1.5rem;
    text-align: center;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 1rem;
}

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

.device-status {
    font-size: 0.75rem;
    margin-top: 0.25rem;
    color: var(--text-secondary);
}

.device-status.success {
    color: var(--success);
}

.device-status.error {
    color: var(--error);
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    width: 100%;
    padding: 0.75rem 1.5rem;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.2s;
}

.btn:hover {
    background: var(--accent-hover);
}

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

.btn-secondary {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    margin-top: 0.5rem;
}

.btn-secondary:hover {
    background: var(--border);
}

.btn-danger {
    background: var(--error);
}

.btn-danger:hover {
    background: #dc2626;
}

/* ==========================================================================
   Room View
   ========================================================================== */
.room-view {
    display: none;
    flex: 1;
    flex-direction: column;
    gap: 1rem;
}

.room-view.active {
    display: flex;
}

/* ==========================================================================
   Video Grid
   ========================================================================== */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
    flex: 1;
}

.video-container {
    background: var(--bg-secondary);
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    aspect-ratio: 16/9;
    transition: box-shadow 0.2s;
}

.video-container video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-container.speaking {
    box-shadow: 0 0 0 3px var(--success), 0 0 20px rgba(16, 185, 129, 0.3);
}

.video-label {
    position: absolute;
    bottom: 0.5rem;
    left: 0.5rem;
    background: rgba(0, 0, 0, 0.8);
    padding: 0.35rem 0.75rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.video-label .speaking-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
    display: none;
}

.video-container.speaking .speaking-dot {
    display: block;
    animation: pulse 1s ease-in-out infinite;
}

.local-video {
    border: 3px solid var(--local-border);
}

/* ==========================================================================
   Audio-Only Participant
   ========================================================================== */
.audio-only-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    background: var(--bg-tertiary);
    gap: 0.5rem;
}

.audio-only-placeholder .icon {
    font-size: 3rem;
}

.audio-only-placeholder .name {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* ==========================================================================
   Dottie-Specific Styling
   ========================================================================== */
.video-container.dottie {
    border: 2px solid var(--accent);
}

.video-container.dottie .video-label {
    background: var(--accent);
}

/* ==========================================================================
   Camera Preview
   ========================================================================== */
.camera-preview {
    width: 100%;
    aspect-ratio: 16/9;
    background: var(--bg-tertiary);
    border-radius: 8px;
    overflow: hidden;
    margin-top: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.camera-preview video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.camera-preview .placeholder {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* ==========================================================================
   Mic Level Indicator
   ========================================================================== */
.mic-level-container {
    margin-top: 0.5rem;
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: 3px;
    overflow: hidden;
}

.mic-level-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--success) 0%, var(--warning) 70%, var(--error) 100%);
    transition: width 0.05s ease-out;
    border-radius: 3px;
}

/* ==========================================================================
   Advanced Settings
   ========================================================================== */
.advanced-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-top: 1rem;
    margin-bottom: 0.5rem;
}

.advanced-toggle:hover {
    color: var(--text-primary);
}

.advanced-toggle .arrow {
    transition: transform 0.2s;
}

.advanced-toggle.open .arrow {
    transform: rotate(90deg);
}

.advanced-content {
    display: none;
    padding-top: 0.5rem;
}

.advanced-content.open {
    display: block;
}

/* ==========================================================================
   Controls
   ========================================================================== */
.controls {
    display: flex;
    justify-content: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 12px;
}

.control-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: none;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.control-btn:hover {
    background: var(--border);
}

.control-btn.muted {
    background: var(--error);
}

.control-btn.leave {
    background: var(--error);
}

.control-btn.leave:hover {
    background: #dc2626;
}

/* Ask Dottie Button - Push to Talk (LARGE per Fitts's Law) */
.control-btn.ask-dottie {
    background: var(--accent);
    width: auto;
    min-width: 140px;
    height: 56px;
    padding: 0 1.5rem;
    border-radius: 28px;
    gap: 0.5rem;
    font-size: 1rem;
}

.control-btn.ask-dottie:hover {
    background: var(--accent-hover);
}

.control-btn.ask-dottie.active {
    background: var(--success);
    animation: pulse 1s ease-in-out infinite;
}

.control-btn.ask-dottie.processing {
    background: var(--warning, #f59e0b);
    cursor: wait;
}

.control-btn.ask-dottie span {
    font-size: 1rem;
    font-weight: 600;
}

.control-btn.interrupt-btn {
    background: var(--error);
    color: white;
    gap: 0.5rem;
}

.control-btn.interrupt-btn:hover {
    background: #d32f2f;
}

.control-btn.interrupt-btn span {
    font-size: 0.875rem;
    font-weight: 600;
}

/* ==========================================================================
   AI Status Indicator
   ========================================================================== */
.ai-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--bg-tertiary);
    border-radius: 20px;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.ai-status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #8b5cf6;
    animation: pulse 2s ease-in-out infinite;
}

.ai-status.thinking .ai-status-dot {
    background: var(--warning);
}

.ai-status.speaking .ai-status-dot {
    background: var(--success);
}

.ai-status.error .ai-status-dot {
    background: var(--error);
}

/* ==========================================================================
   Transcript
   ========================================================================== */
.transcript {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 1rem;
    max-height: 200px;
    overflow-y: auto;
}

.transcript h3 {
    margin-bottom: 0.75rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.transcript-content {
    font-size: 0.875rem;
    line-height: 1.6;
}

.transcript-entry {
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
}

.transcript-entry:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.transcript-speaker {
    font-weight: 600;
    color: var(--accent);
}

.transcript-entry.system {
    color: var(--text-secondary);
    font-style: italic;
    font-size: 0.8rem;
}

.transcript-entry.system .transcript-speaker {
    color: var(--text-secondary);
}

.transcript-entry.dottie .transcript-speaker {
    color: var(--accent);
}

.transcript-entry.streaming::after {
    content: '▌';
    animation: blink 0.7s infinite;
    color: var(--accent);
}

/* ==========================================================================
   Connection Quality
   ========================================================================== */
.connection-quality {
    display: flex;
    align-items: flex-end;
    gap: 2px;
    margin-left: auto;
    padding: 0.25rem 0.5rem;
}

.connection-bar {
    width: 4px;
    background: var(--text-secondary);
    border-radius: 2px;
    transition: background 0.2s;
}

.connection-bar:nth-child(1) { height: 6px; }
.connection-bar:nth-child(2) { height: 10px; }
.connection-bar:nth-child(3) { height: 14px; }
.connection-bar:nth-child(4) { height: 18px; }

.connection-quality.good .connection-bar {
    background: var(--success);
}

.connection-quality.fair .connection-bar:nth-child(1),
.connection-quality.fair .connection-bar:nth-child(2),
.connection-quality.fair .connection-bar:nth-child(3) {
    background: var(--warning);
}

.connection-quality.poor .connection-bar:nth-child(1),
.connection-quality.poor .connection-bar:nth-child(2) {
    background: var(--error);
}

/* ==========================================================================
   Utilities
   ========================================================================== */
.error-message {
    color: var(--error);
    text-align: center;
    margin-top: 1rem;
    font-size: 0.875rem;
}

.hidden {
    display: none !important;
}

/* ==========================================================================
   Animations
   ========================================================================== */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

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