/* ========================================
   Pocket Voice v2
   Inspired by impeccable.style
   Albert Sans · Grain · Kinpaku warmth
   ======================================== */

/* Fonts loaded via <link> in HTML for non-render-blocking */

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

:root {
  /* Surface palette — warm near-blacks */
  --bg-0: #050504;
  --bg-1: #0c0b0a;
  --bg-2: #141312;
  --bg-3: #1c1b19;
  --bg-4: #242320;

  /* Borders */
  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(255, 255, 255, 0.12);
  --border-accent: rgba(245, 197, 66, 0.25);

  /* Accent — warm gold */
  --accent: #f5c542;
  --accent-muted: #d4a932;
  --accent-surface: rgba(245, 197, 66, 0.08);
  --accent-surface-hover: rgba(245, 197, 66, 0.14);

  /* Text */
  --text-0: #f0ede8;
  --text-1: #c4c0b8;
  --text-2: #8a8780;
  --text-3: #918f87;

  /* Status */
  --danger: #e5534b;
  --danger-surface: rgba(229, 83, 75, 0.1);
  --success: #56d364;
  --warning: #e3b341;

  /* Type */
  --sans: 'Albert Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --display: 'Alumni Sans', var(--sans);
  --mono: 'JetBrains Mono', monospace;

  /* Radii */
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 14px;

  /* Motion */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --t-fast: 120ms var(--ease);
  --t-base: 200ms var(--ease);
  --t-slow: 400ms var(--ease);

  color-scheme: dark;
}

html {
  font-family: var(--sans);
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  background: var(--bg-0);
  color: var(--text-1);
  min-height: 100dvh;
  overflow-x: hidden;
  line-height: 1.6;
}

/* ─── Grain Overlay ─── */
.grain {
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 200px;
}

/* ─── Layout ─── */
.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container--narrow {
  max-width: 680px;
}

/* ─── Navigation ─── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1rem 0;
  background: rgba(5, 5, 4, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--text-0);
}

.nav__logo {
  width: 24px;
  height: 24px;
  color: var(--accent);
}

.nav__name {
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
}

.nav__link {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-2);
  text-decoration: none;
  transition: color var(--t-fast);
}

.nav__link:hover { color: var(--text-0); }

.nav__cta {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--bg-0);
  background: var(--accent);
  padding: 0.45rem 1rem;
  border-radius: var(--r-sm);
  text-decoration: none;
  transition: opacity var(--t-fast);
}

.nav__cta:hover { opacity: 0.85; }

/* ─── Hero / Landing ─── */
.hero {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 3rem 1.5rem 4rem;
  position: relative;
}

.hero__eyebrow {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 1.5rem;
}

.hero__title {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(2.8rem, 8vw, 5.5rem);
  line-height: 0.95;
  color: var(--text-0);
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.hero__title em {
  font-style: normal;
  color: var(--accent);
}

.hero__subtitle {
  font-size: 1.05rem;
  font-weight: 400;
  color: var(--text-2);
  max-width: 520px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: var(--accent);
  color: var(--bg-0);
  font-family: var(--sans);
  font-size: 0.85rem;
  font-weight: 600;
  border: none;
  border-radius: var(--r-sm);
  cursor: pointer;
  text-decoration: none;
  transition: all var(--t-base);
}

.btn-primary:hover { opacity: 0.88; transform: translateY(-1px); }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: transparent;
  color: var(--text-1);
  font-family: var(--sans);
  font-size: 0.85rem;
  font-weight: 500;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  cursor: pointer;
  text-decoration: none;
  transition: all var(--t-fast);
}

.btn-ghost:hover { border-color: var(--border-hover); color: var(--text-0); }

/* Feature cards — clean open layout within hero */
.hero__features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  width: 100%;
  max-width: 820px;
  margin-top: 3.5rem;
}

.hero-feature {
  text-align: center;
}

.hero-feature__icon {
  width: 28px;
  height: 28px;
  color: var(--accent);
  margin: 0 auto 0.65rem;
}

.hero-feature__title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-0);
  margin-bottom: 0.35rem;
}

.hero-feature__desc {
  font-size: 0.8rem;
  color: var(--text-2);
  line-height: 1.55;
}

/* ─── App Section ─── */
.app-section {
  padding: 4rem 0 6rem;
  border-top: 1px solid var(--border);
}

.app-section__header {
  text-align: center;
  margin-bottom: 3rem;
}

.app-section__title {
  font-family: var(--display);
  font-weight: 600;
  font-size: 2rem;
  color: var(--text-0);
  margin-bottom: 0.5rem;
}

.app-section__sub {
  font-size: 0.85rem;
  color: var(--text-2);
}

/* Two-column app layout */
.app-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  align-items: start;
}

/* ─── Card / Panel ─── */
.panel {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 1.5rem;
}

.panel__label {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-3);
  margin-bottom: 1rem;
}

.panel + .panel { margin-top: 1rem; }

/* ─── Clone Section (Hero Panel) ─── */
.clone-panel {
  position: relative;
  overflow: hidden;
}

.clone-panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.5;
}

.clone__heading {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-0);
  margin-bottom: 0.3rem;
}

.clone__heading svg {
  width: 16px;
  height: 16px;
  color: var(--accent);
}

.clone__sub {
  font-size: 0.75rem;
  color: var(--text-2);
  margin-bottom: 1.25rem;
}

.clone__actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
  margin-bottom: 0.75rem;
}

.clone-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.65rem 0.75rem;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  color: var(--text-1);
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--t-fast);
}

.clone-btn:hover:not(:disabled) {
  background: var(--bg-3);
  border-color: var(--border-hover);
  color: var(--text-0);
}

.clone-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

.clone-btn svg { width: 16px; height: 16px; }

.clone-btn.is-recording {
  background: var(--danger-surface);
  border-color: rgba(229, 83, 75, 0.3);
  color: var(--danger);
  animation: pulse-rec 1.5s ease-in-out infinite;
}

@keyframes pulse-rec {
  0%, 100% { box-shadow: 0 0 0 0 rgba(229, 83, 75, 0.25); }
  50% { box-shadow: 0 0 0 6px rgba(229, 83, 75, 0); }
}

.rec-timer {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--danger);
}

.clone__status {
  font-size: 0.72rem;
  color: var(--text-3);
  text-align: center;
  min-height: 1em;
}

.clone__status.is-ready { color: var(--accent); }
.clone__status.is-error { color: var(--danger); }

/* ─── Voice Gallery ─── */
.gallery {
  border-top: 1px solid var(--border);
  padding-top: 1.25rem;
  margin-top: 1.25rem;
}

.gallery__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 0.5rem;
}

.voice-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  padding: 0.75rem 0.5rem;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  cursor: pointer;
  transition: all var(--t-fast);
  text-align: center;
}

.voice-card:hover {
  background: var(--bg-3);
  border-color: var(--border-hover);
}

.voice-card.is-active {
  border-color: var(--accent);
  background: var(--accent-surface);
}

.gallery__grid.is-disabled {
  opacity: 0.35;
  pointer-events: none;
}

.field__select:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.voice-card__avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-2);
}

.voice-card.is-active .voice-card__avatar {
  background: var(--accent-surface-hover);
  color: var(--accent);
}

.voice-card__name {
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--text-1);
  line-height: 1.2;
}

.voice-card__desc {
  font-size: 0.6rem;
  color: var(--text-3);
  line-height: 1.3;
}

/* ─── My Voices (Saved) ─── */
.saved-voices {
  border-top: 1px solid var(--border);
  padding-top: 1.25rem;
  margin-top: 1.25rem;
}

.saved-empty {
  text-align: center;
  padding: 1rem;
  font-size: 0.72rem;
  color: var(--text-2);
}

.saved-list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.saved-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 0.65rem;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: all var(--t-fast);
}

.saved-item:hover {
  background: var(--bg-3);
  border-color: var(--border-hover);
}

.saved-item.is-active {
  border-color: var(--accent);
  background: var(--accent-surface);
}

.saved-item__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-muted);
  flex-shrink: 0;
}

.saved-item__info {
  flex: 1;
  min-width: 0;
}

.saved-item__name {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-0);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.saved-item__meta {
  font-size: 0.62rem;
  color: var(--text-3);
}

.saved-item__delete {
  background: none;
  border: none;
  color: var(--text-3);
  cursor: pointer;
  padding: 0.2rem;
  border-radius: 3px;
  transition: color var(--t-fast);
  flex-shrink: 0;
}

.saved-item__delete:hover { color: var(--danger); }
.saved-item__delete svg { width: 14px; height: 14px; }

/* ─── Selectors ─── */
.selectors-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
}

.field__label {
  display: block;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-3);
  margin-bottom: 0.35rem;
}

.field__select {
  width: 100%;
  padding: 0.55rem 0.65rem;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  color: var(--text-0);
  font-family: var(--sans);
  font-size: 0.78rem;
  appearance: none;
  cursor: pointer;
  transition: border-color var(--t-fast);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%235c5a54' viewBox='0 0 24 24'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.6rem center;
  padding-right: 1.8rem;
}

.field__select:focus { outline: none; border-color: var(--accent); }
.field__select option { background: var(--bg-2); color: var(--text-0); }

/* ─── Text Input ─── */
.text-area {
  width: 100%;
  min-height: 110px;
  padding: 0.75rem;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  color: var(--text-0);
  font-family: var(--sans);
  font-size: 0.82rem;
  line-height: 1.6;
  resize: vertical;
  transition: border-color var(--t-fast);
}

.text-area::placeholder { color: var(--text-3); }
.text-area:focus { outline: none; border-color: var(--accent); }

.text-meta {
  display: flex;
  justify-content: space-between;
  margin-top: 0.4rem;
  font-size: 0.65rem;
  color: var(--text-3);
}

.samples {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.5rem;
}

.sample-pill {
  padding: 0.25rem 0.55rem;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-2);
  font-family: var(--sans);
  font-size: 0.65rem;
  cursor: pointer;
  transition: all var(--t-fast);
}

.sample-pill:hover {
  background: var(--accent-surface);
  border-color: var(--border-accent);
  color: var(--accent);
}

/* ─── Generate Button ─── */
.btn-generate {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem;
  background: var(--accent);
  border: none;
  border-radius: var(--r-sm);
  color: var(--bg-0);
  font-family: var(--sans);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--t-base);
}

.btn-generate:hover:not(:disabled) { opacity: 0.88; transform: translateY(-1px); }
.btn-generate:active:not(:disabled) { transform: translateY(0); }
.btn-generate:disabled { opacity: 0.3; cursor: not-allowed; }
.btn-generate svg { width: 16px; height: 16px; }

.btn-generate .spinner {
  display: none;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(5, 5, 4, 0.25);
  border-top-color: var(--bg-0);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

.btn-generate.is-loading .spinner { display: block; }
.btn-generate.is-loading svg,
.btn-generate.is-loading .btn-text { display: none; }

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

.btn-stop {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.75rem;
  background: var(--danger-surface);
  border: 1px solid rgba(229, 83, 75, 0.25);
  border-radius: var(--r-sm);
  color: var(--danger);
  font-family: var(--sans);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  display: none;
}

.btn-stop svg { width: 14px; height: 14px; }

/* ─── Output Panel ─── */
.output__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.68rem;
  color: var(--text-3);
}

.status-indicator__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-3);
  transition: background var(--t-base);
}

.status-indicator__dot.is-ready { background: var(--accent); }
.status-indicator__dot.is-running { background: var(--warning); animation: pulse-dot 1s ease-in-out infinite; }
.status-indicator__dot.is-error { background: var(--danger); }

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

/* Waveform */
.waveform {
  width: 100%;
  height: 72px;
  border-radius: var(--r-sm);
  background: var(--bg-2);
  border: 1px solid var(--border);
  margin-bottom: 1rem;
}

/* Metrics row */
.metrics {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.6rem;
}

.metric { text-align: center; }

.metric__val {
  font-family: var(--mono);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text-0);
}

.metric__val--accent { color: var(--accent); }

.metric__key {
  font-size: 0.6rem;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 0.1rem;
}

/* Download */
.btn-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.4rem 0.7rem;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  color: var(--text-2);
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--t-fast);
}

.btn-download:hover:not(:disabled) { border-color: var(--border-hover); color: var(--text-0); }
.btn-download:disabled { opacity: 0.25; cursor: not-allowed; }
.btn-download svg { width: 13px; height: 13px; }

/* ─── Save Voice Modal ─── */
.save-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(5, 5, 4, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.save-modal.is-open { display: flex; }

.save-modal__card {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 1.5rem;
  width: 90%;
  max-width: 360px;
}

.save-modal__title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-0);
  margin-bottom: 0.75rem;
}

.save-modal__input {
  width: 100%;
  padding: 0.6rem 0.7rem;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  color: var(--text-0);
  font-family: var(--sans);
  font-size: 0.82rem;
  margin-bottom: 1rem;
}

.save-modal__input:focus { outline: none; border-color: var(--accent); }

.save-modal__actions {
  display: flex;
  gap: 0.5rem;
  justify-content: flex-end;
}

/* ─── Footer ─── */
.footer {
  text-align: center;
  padding: 3rem 1.5rem 2rem;
  border-top: 1px solid var(--border);
}

.footer a {
  color: var(--accent-muted);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--t-fast);
}

.footer a:hover { color: var(--accent); }

.footer p {
  font-size: 0.68rem;
  color: var(--text-3);
  line-height: 1.7;
}

.footer__warn {
  margin-top: 0.35rem;
  font-size: 0.62rem;
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
  .app-grid { grid-template-columns: 1fr; }
  .hero__features { grid-template-columns: 1fr; }
  .clone__actions { grid-template-columns: 1fr 1fr; }
  .gallery__grid { grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); }
  .nav__links { display: none; }
}

@media (max-width: 480px) {
  .hero__title { font-size: 2.4rem; }
  .hero__actions { flex-direction: column; align-items: center; width: 100%; }
  .hero__actions .btn-primary { padding: 0.6rem 1.2rem; font-size: 0.8rem; }
  .metrics { grid-template-columns: 1fr 1fr; }
}