/* =============================================================================
   RUA Voice Agent - Cyberpunk Theme
   Re-Evolution World Branding
   ============================================================================= */

/* CSS Variables */
:root {
    /* Colors - Cyberpunk palette */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: #1a1a25;

    --accent-cyan: #00f0ff;
    --accent-pink: #ff00aa;
    --accent-purple: #8b5cf6;
    --accent-green: #00ff88;

    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #606070;

    --glow-cyan: 0 0 20px rgba(0, 240, 255, 0.5);
    --glow-pink: 0 0 20px rgba(255, 0, 170, 0.5);
    --glow-purple: 0 0 20px rgba(139, 92, 246, 0.5);

    /* Typography */
    --font-display: 'Orbitron', sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Sizing */
    --max-width: 600px;
    --border-radius: 12px;
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Base */
html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    background-image:
        radial-gradient(ellipse at top, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at bottom, rgba(0, 240, 255, 0.05) 0%, transparent 50%);
}

/* Container */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 2rem 1.5rem;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 2rem;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.logo-icon {
    font-size: 2rem;
    animation: pulse 2s ease-in-out infinite;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Main Content */
.main {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

/* Status Container */
.status-container {
    text-align: center;
}

.status-ring {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 2px solid var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    position: relative;
    transition: all 0.5s ease;
}

.status-ring::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    background: conic-gradient(
        from 0deg,
        transparent,
        var(--accent-cyan),
        transparent
    );
    opacity: 0;
    animation: none;
    transition: opacity 0.5s ease;
}

.status-ring.connecting::before,
.status-ring.connected::before {
    opacity: 1;
    animation: rotate 2s linear infinite;
}

.status-ring.connected {
    border-color: var(--accent-cyan);
    box-shadow: var(--glow-cyan);
}

.status-ring.speaking {
    border-color: var(--accent-pink);
    box-shadow: var(--glow-pink);
}

.status-ring.speaking::before {
    background: conic-gradient(
        from 0deg,
        transparent,
        var(--accent-pink),
        transparent
    );
}

.status-ring.error {
    border-color: #ff4444;
    box-shadow: 0 0 20px rgba(255, 68, 68, 0.5);
}

.status-inner {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Visualizer */
.visualizer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    height: 60px;
}

.visualizer .bar {
    width: 6px;
    height: 20px;
    background: var(--accent-cyan);
    border-radius: 3px;
    transition: height 0.1s ease;
}

.status-ring.idle .visualizer .bar {
    background: var(--text-muted);
    height: 20px;
}

.status-ring.connecting .visualizer .bar {
    animation: wave 1s ease-in-out infinite;
}

.status-ring.connected .visualizer .bar,
.status-ring.speaking .visualizer .bar {
    animation: wave 0.5s ease-in-out infinite;
}

.status-ring.speaking .visualizer .bar {
    background: var(--accent-pink);
}

.visualizer .bar:nth-child(1) { animation-delay: 0s; }
.visualizer .bar:nth-child(2) { animation-delay: 0.1s; }
.visualizer .bar:nth-child(3) { animation-delay: 0.2s; }
.visualizer .bar:nth-child(4) { animation-delay: 0.3s; }
.visualizer .bar:nth-child(5) { animation-delay: 0.4s; }

/* Status Text */
.status-text {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    letter-spacing: 0.05em;
}

.status-subtext {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Controls */
.controls {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    width: 100%;
    max-width: 300px;
}

.btn-primary,
.btn-secondary {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    border: none;
    border-radius: var(--border-radius);
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    color: var(--bg-primary);
    box-shadow: var(--glow-cyan);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.7);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

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

.btn-primary.end-call {
    background: linear-gradient(135deg, #ff4444, #ff0066);
    box-shadow: 0 0 20px rgba(255, 68, 68, 0.5);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--text-muted);
}

.btn-secondary:hover {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
}

.btn-icon {
    font-size: 1.25rem;
}

/* Info Section */
.info-section {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    width: 100%;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.info-section h2 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 1rem;
    color: var(--accent-cyan);
    letter-spacing: 0.05em;
}

.info-list {
    list-style: none;
}

.info-list li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.info-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent-pink);
}

/* Footer */
.footer {
    text-align: center;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer a {
    color: var(--accent-cyan);
    text-decoration: none;
}

.footer a:hover {
    text-decoration: underline;
}

.footer-note {
    margin-top: 0.5rem;
    font-size: 0.75rem;
}

/* Modal */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.modal-content {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: 2rem;
    max-width: 400px;
    width: 100%;
    border: 1px solid var(--text-muted);
    text-align: center;
}

.modal-content h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--accent-pink);
}

.modal-content p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.modal-note {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.modal-content button {
    margin-top: 1rem;
    min-width: 120px;
}

/* Animations */
@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes wave {
    0%, 100% { height: 20px; }
    50% { height: 50px; }
}

/* Responsive */
@media (max-width: 480px) {
    .container {
        padding: 1.5rem 1rem;
    }

    .logo-text {
        font-size: 1rem;
    }

    .status-ring {
        width: 160px;
        height: 160px;
    }

    .status-inner {
        width: 144px;
        height: 144px;
    }

    .status-text {
        font-size: 1.1rem;
    }

    .btn-primary,
    .btn-secondary {
        padding: 0.875rem 1.5rem;
        font-size: 0.9rem;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus states */
button:focus-visible {
    outline: 2px solid var(--accent-cyan);
    outline-offset: 2px;
}