/*
  Voice agent page — talkaFlow brand restyle.
  Layout/IDs unchanged from the original; visuals matched to the main site.
  The .voice-container carries data-call-state (idle | connecting | listening |
  speaking | connected) which drives the activity visualizer.
*/

body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    position: relative;
}

/* Dotted backdrop + aurora */
.page-bg {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}
.page-bg .dots { position: absolute; inset: 0; opacity: 0.6; }
.page-bg .aurora {
    position: absolute;
    top: -14rem; left: 50%;
    width: 50rem; height: 26rem;
    transform: translateX(-50%);
    border-radius: 9999px;
    background: rgba(213, 204, 255, 0.4);
    filter: blur(110px);
}
[data-theme="dark"] .page-bg .aurora { background: rgba(67, 24, 255, 0.22); }

.page-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-3);
    position: relative;
    z-index: 1;
}

/* Top bar: logo + toggle */
.top-bar {
    width: 430px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.top-bar .logo-container { height: 28px; }

.top-bar-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.back-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: var(--radius-full);
    border: 1px solid var(--border-default);
    background: var(--bg-card);
    color: var(--text-secondary);
    font-size: 0.85rem;
    transition: border-color 0.25s, color 0.25s, transform 0.25s;
}
.back-link:hover {
    border-color: var(--palette-indigo-400);
    color: var(--primary-text);
    text-decoration: none;
    transform: translateX(-2px);
}

/* Language selector */
.lang-select {
    appearance: none;
    -webkit-appearance: none;
    background: var(--bg-card);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-full);
    padding: 4px 24px 4px 12px;
    font-size: 0.75rem;
    font-weight: 600;
    font-family: var(--font-display);
    color: var(--text-primary);
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%23666'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 9px center;
    transition: border-color 0.25s;
}
.lang-select:hover { border-color: var(--palette-indigo-400); }

/* Theme toggle */
.theme-toggle { cursor: pointer; user-select: none; }
.theme-track {
    position: relative; width: 48px; height: 24px; border-radius: 12px;
    background: var(--palette-slate-300); transition: background-color 0.3s;
}
[data-theme="dark"] .theme-track { background: var(--palette-indigo-600); }
.theme-thumb {
    width: 20px; height: 20px; border-radius: 50%; background: #fff;
    box-shadow: 0 1px 3px rgba(0,0,0,0.3); position: absolute; top: 2px; left: 2px;
    transition: transform 0.3s cubic-bezier(0.4,0,0.2,1);
}
.theme-icon {
    position: absolute; top: 50%; transform: translateY(-50%);
    width: 16px; height: 16px; display: flex; align-items: center;
    justify-content: center; transition: opacity 0.2s;
}
.theme-icon-sun { left: 4px; color: #f59e0b; }
.theme-icon-moon { right: 4px; color: #b5a3ff; opacity: 0; }

/* ===================== Main frame ===================== */

.voice-container {
    width: 430px;
    height: 85vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--bg-card);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    animation: frame-in 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes frame-in {
    from { opacity: 0; transform: translateY(22px) scale(0.985); }
    to { opacity: 1; transform: none; }
}

/* Header — deep ink like the main site's dark sections */
.voice-header {
    position: relative;
    background: linear-gradient(135deg, var(--palette-ink), var(--palette-indigo-900));
    color: #fff;
    padding: var(--spacing-4) var(--spacing-5);
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    overflow: hidden;
}
.voice-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255, 255, 255, 0.13) 1.5px, transparent 1.5px);
    background-size: 22px 22px;
    opacity: 0.35;
    pointer-events: none;
}
.voice-header > * { position: relative; }

.voice-header .header-icon {
    width: 42px; height: 42px; border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.14);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.1rem; flex-shrink: 0;
}

.voice-header .info h2 {
    font-size: 1rem; font-weight: 700; margin-bottom: 0; color: #fff;
    letter-spacing: -0.01em;
}
.voice-header .info p {
    font-size: 0.75rem; opacity: 0.85; margin: 2px 0 0;
    display: flex; align-items: center;
}

.status-dot-header {
    width: 8px; height: 8px; background: var(--accent);
    border-radius: var(--radius-full); display: inline-block; margin-right: 6px;
    animation: dot-pulse 2s ease-in-out infinite;
}

@keyframes dot-pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(255, 183, 27, 0.5); }
    50% { box-shadow: 0 0 0 5px rgba(255, 183, 27, 0); }
}

/* Content area */
.voice-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-5);
    background: var(--bg-section);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-5);
}

/* ===================== Voice activity visualizer ===================== */

.voice-visualizer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    height: 40px;
    flex-shrink: 0;
    width: 100%;
}

.voice-visualizer span {
    width: 4px;
    height: 14%;
    border-radius: 2px;
    background: var(--primary-default);
    opacity: 0.3;
    transition: height 0.4s ease, opacity 0.4s ease, background-color 0.4s ease;
}

/* varied resting heights so it reads as a waveform */
.voice-visualizer span:nth-child(4n + 1) { height: 22%; }
.voice-visualizer span:nth-child(4n + 2) { height: 42%; }
.voice-visualizer span:nth-child(4n + 3) { height: 30%; }
.voice-visualizer span:nth-child(4n + 4) { height: 50%; }

@keyframes viz-bounce {
    0%, 100% { transform: scaleY(0.4); }
    50% { transform: scaleY(1.6); }
}

/* connecting — slow shimmering pulse */
[data-call-state="connecting"] .voice-visualizer span {
    opacity: 0.55;
    animation: viz-bounce 1.6s ease-in-out infinite;
}

/* listening — calm green movement: your turn */
[data-call-state="listening"] .voice-visualizer span {
    background: var(--palette-green-500);
    opacity: 0.8;
    animation: viz-bounce 1.1s ease-in-out infinite;
}

/* speaking — lively brand indigo: the agent is talking */
[data-call-state="speaking"] .voice-visualizer span {
    background: var(--primary-default);
    opacity: 0.95;
    animation: viz-bounce 0.55s ease-in-out infinite;
}

[data-call-state="connected"] .voice-visualizer span {
    opacity: 0.6;
    animation: viz-bounce 1.4s ease-in-out infinite;
}

/* staggered delays */
.voice-visualizer span:nth-child(2n) { animation-delay: 0.12s; }
.voice-visualizer span:nth-child(3n) { animation-delay: 0.24s; }
.voice-visualizer span:nth-child(5n) { animation-delay: 0.36s; }
.voice-visualizer span:nth-child(7n) { animation-delay: 0.48s; }

@media (prefers-reduced-motion: reduce) {
    .voice-visualizer span { animation: none !important; }
}

/* ===================== Status ===================== */

.status-area { text-align: center; }
.status-label {
    font-family: var(--font-display);
    font-size: 1.15rem; font-weight: 700; color: var(--text-primary);
    letter-spacing: -0.01em;
}
.status-sub {
    font-size: 0.8125rem; color: var(--text-tertiary); margin-top: 3px;
}

/* ===================== Call Button ===================== */

.call-area { text-align: center; }

.call-btn {
    width: 84px; height: 84px; border-radius: var(--radius-full);
    color: #fff; font-size: 1.5rem;
    box-shadow: 0 18px 38px -10px rgba(67, 24, 255, 0.6);
    transition: all 0.25s; display: inline-flex;
    align-items: center; justify-content: center;
    background: var(--palette-indigo-600);
}
.call-btn:hover:not(:disabled) { transform: scale(1.08); background: var(--palette-indigo-700); }
.call-btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none; box-shadow: none; }
.call-btn.active {
    background: var(--palette-red-500);
    box-shadow: 0 18px 38px -10px rgba(239, 68, 68, 0.55);
}
.call-btn.active:hover:not(:disabled) { background: #dc2626; }

@keyframes pulse-btn {
    0% { box-shadow: 0 18px 38px -10px rgba(67, 24, 255, 0.6), 0 0 0 0 rgba(67, 24, 255, 0.35); }
    70% { box-shadow: 0 18px 38px -10px rgba(67, 24, 255, 0.6), 0 0 0 18px rgba(67, 24, 255, 0); }
    100% { box-shadow: 0 18px 38px -10px rgba(67, 24, 255, 0.6), 0 0 0 0 rgba(67, 24, 255, 0); }
}
.call-btn:not(:disabled):not(.active) { animation: pulse-btn 2.2s ease-in-out infinite; }
.call-btn.active { animation: none; }

.call-label {
    font-family: var(--font-display);
    font-size: 0.875rem; font-weight: 600;
    color: var(--text-secondary); margin-top: var(--spacing-3);
}

/* ===================== Suggestions ===================== */

.suggestions {
    background: var(--primary-light);
    border-radius: var(--radius-xl);
    padding: var(--spacing-4);
    border: 1px solid rgba(67, 24, 255, 0.10);
    width: 100%;
}
.suggestions .label {
    font-family: var(--font-display);
    font-size: 0.6875rem; font-weight: 700; color: var(--primary-text);
    text-transform: uppercase; letter-spacing: 0.1em;
    margin: 0 0 var(--spacing-2);
}
.suggestions .label i { margin-right: var(--spacing-1); }

#suggestionsList {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
#suggestionsList p {
    margin: 0;
    font-size: 0.78rem;
    line-height: 1.4;
    color: var(--primary-text);
    background: var(--bg-card);
    border: 1px solid rgba(67, 24, 255, 0.14);
    border-radius: var(--radius-full);
    padding: 5px 13px;
    transition: transform 0.25s, border-color 0.25s;
}
#suggestionsList p:hover {
    transform: translateY(-1px);
    border-color: rgba(67, 24, 255, 0.4);
}

/* ===================== Transcript — chat bubbles ===================== */

.transcript-section {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-4);
    border: 1px solid var(--border-light);
    width: 100%;
    box-shadow: var(--shadow-sm);
}
.transcript-title {
    font-family: var(--font-display);
    font-size: 0.6875rem; font-weight: 700; color: var(--text-tertiary);
    text-transform: uppercase; letter-spacing: 0.1em;
    margin-bottom: var(--spacing-3);
}
.transcript-title i { margin-right: var(--spacing-1); }

.transcript-area {
    max-height: 230px; overflow-y: auto;
    display: flex; flex-direction: column; gap: var(--spacing-2);
}

.transcript-placeholder {
    text-align: center; color: var(--text-tertiary);
    font-size: 0.8125rem; padding: var(--spacing-3) 0;
}
.transcript-placeholder i {
    font-size: 1.25rem; display: block;
    margin-bottom: var(--spacing-1); opacity: 0.3;
}

.transcript-msg {
    display: flex; align-items: flex-start; gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-3);
    border-radius: var(--radius-lg);
    max-width: 92%;
    animation: msg-in 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes msg-in {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
    .transcript-msg { animation: none; }
}

/* user on the right in brand tint, agent on the left */
.transcript-msg.user-msg {
    background: var(--primary-light);
    border: 1px solid rgba(67, 24, 255, 0.10);
    align-self: flex-end;
    flex-direction: row-reverse;
    border-bottom-right-radius: var(--radius-sm);
}
.transcript-msg.agent-msg {
    background: var(--bg-section);
    border: 1px solid var(--border-light);
    align-self: flex-start;
    border-bottom-left-radius: var(--radius-sm);
}
.transcript-msg.user-msg > div { text-align: right; }

.transcript-avatar {
    width: 24px; height: 24px; border-radius: var(--radius-full);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0; margin-top: 2px;
}
.transcript-avatar.user-avatar { background: var(--palette-indigo-600); }
.transcript-avatar.agent-avatar { background: var(--palette-ink); }
[data-theme="dark"] .transcript-avatar.agent-avatar { background: var(--palette-slate-700); }
.transcript-avatar i { color: #fff; font-size: 0.5625rem; }

.transcript-speaker {
    font-family: var(--font-display);
    font-size: 0.6875rem; font-weight: 700;
}
.transcript-speaker.user-name { color: var(--primary-text); }
.transcript-speaker.agent-name { color: var(--text-primary); }
.transcript-text { font-size: 0.8125rem; color: var(--text-primary); line-height: 1.45; }

/* ===================== Footer / Debug ===================== */

.nav-links {
    text-align: center; padding: var(--spacing-2); font-size: 0.75rem;
    color: var(--text-tertiary); background: var(--bg-card);
    border-top: 1px solid var(--border-light);
}
.nav-links a { color: var(--text-tertiary); margin: 0 var(--spacing-2); }
.nav-links a:hover { color: var(--primary-text); }

.powered-by {
    text-align: center; padding: var(--spacing-2); font-size: 0.6875rem;
    color: var(--text-tertiary); background: var(--bg-card);
}
.powered-by a { color: var(--text-secondary); }

.debug-panel {
    background: var(--bg-card); border-radius: var(--radius-lg);
    padding: var(--spacing-3) var(--spacing-4);
    border: 1px solid var(--border-light); width: 100%;
}
.debug-panel h4 {
    font-size: 0.6875rem; font-weight: 600; color: var(--text-tertiary);
    margin-bottom: var(--spacing-2); display: flex; align-items: center;
    justify-content: space-between;
}
.debug-log {
    font-size: 0.625rem;
    font-family: 'JetBrains Mono', 'Fira Code', ui-monospace, monospace;
    color: var(--text-secondary); max-height: 120px; overflow-y: auto;
    display: flex; flex-direction: column; gap: 2px;
}
.debug-log .log-error { color: var(--palette-red-500); }
.debug-log .log-success { color: var(--palette-green-500); }

.debug-actions { display: flex; gap: var(--spacing-2); }
.debug-actions button {
    font-size: 0.5625rem; padding: 2px 8px; border-radius: var(--radius-full);
    color: #fff; font-weight: 600;
}
.debug-actions .btn-download { background: var(--primary-default); }
.debug-actions .btn-download:hover { background: var(--primary-hover); }
.debug-actions .btn-clear { background: var(--palette-red-500); }
.debug-actions .btn-clear:hover { opacity: 0.85; }

.hidden { display: none; }

@media (max-width: 480px) {
    .top-bar { width: 100%; padding: 0 var(--spacing-4); }
    .voice-container { width: 100%; height: calc(100vh - 50px); border-radius: 0; }
}