/* =========================================================
   VOXSCRIPT — DESIGN SYSTEM
   Tokens first, then layout. See README for rationale.
   ========================================================= */

:root {
  /* Color */
  --color-ink: #13201c;
  --color-paper: #f5f2ea;
  --color-surface: #ffffff;
  --color-primary: #1b6e5b;
  --color-primary-dark: #124f41;
  --color-primary-contrast: #f5f2ea;
  --color-accent: #d98a2b;
  --color-danger: #b3452f;
  --color-text: #1a2420;
  --color-muted: #5d6b66;
  --color-border: #ddd7c8;
  --color-focus: #1b6e5b;

  /* Type */
  --font-display: Georgia, "Iowan Old Style", "Palatino Linotype", "Noto Serif", serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans",
    "Noto Sans Devanagari", "Noto Sans Arabic", "Noto Sans Hebrew", "Noto Sans SC",
    "Helvetica Neue", Arial, sans-serif;

  /* Spacing */
  --space-3xs: 0.25rem;
  --space-2xs: 0.5rem;
  --space-xs: 0.75rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;

  /* Radius / shadow / motion */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 999px;
  --shadow-card: 0 1px 2px rgba(19, 32, 28, 0.06), 0 8px 24px rgba(19, 32, 28, 0.06);
  --transition-fast: 140ms ease;
  --transition-base: 220ms ease;

  /* Layout */
  --container-width: 1120px;
  --editor-min-height: 320px;

  color-scheme: light;
}

[data-theme="dark"] {
  --color-ink: #eef2ef;
  --color-paper: #10201b;
  --color-surface: #16261f;
  --color-primary: #4fbf9f;
  --color-primary-dark: #3aa587;
  --color-primary-contrast: #0c1613;
  --color-accent: #f0ad4e;
  --color-danger: #e07a5f;
  --color-text: #eef2ef;
  --color-muted: #9fb0a9;
  --color-border: #26382f;
  --color-focus: #4fbf9f;
  color-scheme: dark;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--color-paper);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.55;
  font-size: 16px;
  transition: background var(--transition-base), color var(--transition-base);
}
img { max-width: 100%; display: block; }
button { font: inherit; }
a { color: var(--color-primary); }
h1, h2, h3 { font-family: var(--font-display); font-weight: 600; line-height: 1.15; margin: 0 0 var(--space-sm); color: var(--color-text); }
p { margin: 0 0 var(--space-sm); color: var(--color-text); }
ul, ol { margin: 0; padding-left: 1.2em; }
.container { max-width: var(--container-width); margin-inline: auto; padding-inline: var(--space-md); }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute;
  left: var(--space-sm);
  top: -100px;
  background: var(--color-primary);
  color: var(--color-primary-contrast);
  padding: var(--space-2xs) var(--space-sm);
  border-radius: var(--radius-sm);
  z-index: 1000;
  transition: top var(--transition-fast);
}
.skip-link:focus { top: var(--space-sm); }

:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in srgb, var(--color-paper) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding-block: var(--space-xs);
}
.brand { display: flex; align-items: center; gap: var(--space-2xs); text-decoration: none; color: var(--color-text); }
.brand-mark { color: var(--color-primary); display: inline-flex; }
.brand-name { font-family: var(--font-display); font-weight: 700; font-size: 1.25rem; }

.main-nav { display: none; gap: var(--space-md); }
.main-nav a { text-decoration: none; color: var(--color-text); font-size: 0.95rem; padding-block: var(--space-2xs); border-bottom: 2px solid transparent; }
.main-nav a:hover, .main-nav a.is-current { border-color: var(--color-primary); color: var(--color-primary-dark); }

.header-actions { display: flex; align-items: center; gap: var(--space-2xs); }
.icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast);
}
.icon-btn:hover { transform: translateY(-1px); }
[data-theme="dark"] .icon-moon, .icon-moon { display: none; }
[data-theme="dark"] .icon-sun { display: none; }
[data-theme="dark"] .icon-moon { display: inline; }
.nav-toggle { display: inline-flex; }

@media (min-width: 900px) {
  .main-nav { display: flex; }
  .nav-toggle { display: none; }
}

.main-nav.is-open {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: 0; right: 0;
  background: var(--color-surface);
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

/* ---------- Hero ---------- */
.hero {
  display: grid;
  gap: var(--space-lg);
  padding-block: var(--space-xl) var(--space-lg);
  align-items: center;
}
.eyebrow { color: var(--color-primary-dark); font-weight: 600; font-size: 0.9rem; margin-bottom: var(--space-2xs); }
.hero h1 { font-size: clamp(2.1rem, 4.5vw, 3.4rem); max-width: 14ch; }
.hero-sub { max-width: 46ch; color: var(--color-muted); font-size: 1.1rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-sm); margin-block: var(--space-md) var(--space-xs); }
.hero-note { font-size: 0.85rem; color: var(--color-muted); }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.85em 1.6em;
  border-radius: var(--radius-full);
  text-decoration: none;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--color-primary); color: var(--color-primary-contrast); }
.btn-primary:hover { background: var(--color-primary-dark); }
.btn-ghost { background: transparent; border-color: var(--color-border); color: var(--color-text); }

.hero-visual { color: var(--color-primary); opacity: 0.9; }
.waveform-art { width: 100%; height: auto; }
.waveform-art .bar {
  animation: wave 2.4s ease-in-out infinite;
  transform-origin: center;
}
@keyframes wave {
  0%, 100% { y1: calc(100px - var(--h) / 2); y2: calc(100px + var(--h) / 2); }
  50% { y1: calc(100px - var(--h) / 3); y2: calc(100px + var(--h) / 3); }
}
.waveform-art .bar:nth-child(odd) { animation-delay: -0.6s; }

@media (min-width: 860px) {
  .hero { grid-template-columns: 1.1fr 0.9fr; }
}

/* ---------- Workspace ---------- */
.workspace { padding-block: var(--space-lg) var(--space-xl); }
.workspace-grid {
  display: grid;
  gap: var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  box-shadow: var(--shadow-card);
}
@media (min-width: 860px) {
  .workspace-grid { grid-template-columns: 280px 1fr; padding: var(--space-lg); }
}

.field-group label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: var(--space-2xs);
}
.language-picker { display: flex; flex-direction: column; gap: var(--space-2xs); }
.language-picker input,
.language-picker select {
  width: 100%;
  padding: 0.65em 0.85em;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-paper);
  color: var(--color-text);
  font-size: 0.95rem;
}
.language-picker select { min-height: 160px; }
.field-note { font-size: 0.8rem; color: var(--color-muted); margin-top: var(--space-2xs); min-height: 1.2em; }

.mic-panel { margin-top: var(--space-lg); display: flex; flex-direction: column; align-items: center; gap: var(--space-sm); text-align: center; }
.mic-btn {
  display: flex; flex-direction: column; align-items: center; gap: var(--space-2xs);
  width: 128px; height: 128px;
  border-radius: 50%;
  border: none;
  background: var(--color-primary);
  color: var(--color-primary-contrast);
  cursor: pointer;
  transition: transform var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: 0 0 0 0 color-mix(in srgb, var(--color-primary) 45%, transparent);
}
.mic-btn:hover { transform: scale(1.03); }
.mic-btn .mic-label { font-size: 0.8rem; font-weight: 600; max-width: 90px; line-height: 1.2; }
.mic-btn[data-state="listening"] {
  background: var(--color-danger);
  animation: pulse 1.6s ease-out infinite;
}
.mic-btn[data-state="processing"] { background: var(--color-accent); }
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--color-danger) 45%, transparent); }
  70% { box-shadow: 0 0 0 18px color-mix(in srgb, var(--color-danger) 0%, transparent); }
  100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--color-danger) 0%, transparent); }
}

.mic-status { display: flex; align-items: center; gap: var(--space-2xs); font-size: 0.9rem; color: var(--color-muted); }
.status-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--color-muted); display: inline-block; }
.mic-status[data-state="listening"] .status-dot { background: var(--color-danger); }
.mic-status[data-state="processing"] .status-dot { background: var(--color-accent); }
.mic-status[data-state="ready"] .status-dot { background: var(--color-primary); }
.status-timer { font-variant-numeric: tabular-nums; }

.privacy-inline { margin-top: var(--space-md); font-size: 0.85rem; text-align: center; }

.editor-toolbar {
  display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2xs);
  margin-bottom: var(--space-2xs);
}
.tbtn {
  padding: 0.5em 0.9em;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-paper);
  color: var(--color-text);
  cursor: pointer;
  font-size: 0.85rem;
  transition: background var(--transition-fast);
}
.tbtn:hover { background: color-mix(in srgb, var(--color-primary) 12%, var(--color-paper)); }
.tbtn-danger:hover { background: color-mix(in srgb, var(--color-danger) 15%, var(--color-paper)); }
.toolbar-spacer { flex: 1; }
.download-group { display: flex; gap: var(--space-2xs); }

.editor-shell { position: relative; }
.editor {
  min-height: var(--editor-min-height);
  max-height: 60vh;
  overflow-y: auto;
  padding: var(--space-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-paper);
  font-size: 1.05rem;
  line-height: 1.7;
  white-space: pre-wrap;
  word-wrap: break-word;
}
.editor:empty::before {
  content: attr(data-placeholder);
  color: var(--color-muted);
}
.editor[dir="rtl"] { text-align: right; }

.editor-meta {
  display: flex; flex-wrap: wrap; gap: var(--space-md);
  font-size: 0.8rem; color: var(--color-muted);
  margin-top: var(--space-2xs);
}
.editor-meta strong { color: var(--color-text); }

.capability-banner {
  margin-top: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--color-danger) 12%, var(--color-surface));
  border: 1px solid color-mix(in srgb, var(--color-danger) 35%, transparent);
  color: var(--color-text);
  font-size: 0.9rem;
}

/* ---------- Sections ---------- */
.section { padding-block: var(--space-xl); }
.section.alt { background: color-mix(in srgb, var(--color-primary) 5%, var(--color-paper)); border-radius: var(--radius-lg); }
.section-lede { max-width: 62ch; color: var(--color-muted); }
.section-note { font-size: 0.85rem; color: var(--color-muted); margin-top: var(--space-sm); }

.steps { display: grid; gap: var(--space-sm); list-style: none; padding: 0; counter-reset: step; }
.steps li {
  counter-increment: step;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  position: relative;
  padding-left: 3.2em;
}
.steps li::before {
  content: counter(step);
  position: absolute; left: var(--space-sm); top: 50%; transform: translateY(-50%);
  width: 1.8em; height: 1.8em;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-primary-contrast);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.9rem;
}

.feature-grid { display: grid; gap: var(--space-md); grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}
.feature-card h3 { font-size: 1.05rem; margin-bottom: var(--space-2xs); }
.feature-card p { color: var(--color-muted); margin: 0; font-size: 0.95rem; }

.language-directory { display: grid; gap: var(--space-md); grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.language-region h3 { font-size: 1rem; margin-bottom: var(--space-2xs); }
.language-region ul { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: var(--space-3xs) var(--space-2xs); }
.language-region li {
  font-size: 0.82rem;
  padding: 0.25em 0.7em;
  border-radius: var(--radius-full);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-muted);
}

.guide-list { list-style: none; padding: 0; display: grid; gap: var(--space-2xs); max-width: 60ch; }
.guide-list li { padding: var(--space-xs) var(--space-sm); border-bottom: 1px solid var(--color-border); color: var(--color-text); }

.faq-list { display: grid; gap: var(--space-2xs); max-width: 68ch; }
.faq-list details {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-surface);
}
.faq-list summary { cursor: pointer; font-weight: 600; }
.faq-list p { margin-top: var(--space-2xs); color: var(--color-muted); }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--color-border); padding-block: var(--space-lg) var(--space-md); margin-top: var(--space-xl); }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-md); }
.footer-brand p { color: var(--color-muted); max-width: 32ch; font-size: 0.9rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: var(--space-sm); }
.footer-links a { text-decoration: none; font-size: 0.9rem; }
.footer-legal { color: var(--color-muted); font-size: 0.78rem; margin-top: var(--space-md); }

/* ---------- Toasts ---------- */
.toast-region {
  position: fixed; bottom: var(--space-md); left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; gap: var(--space-2xs);
  z-index: 100;
}
.toast {
  background: var(--color-ink);
  color: var(--color-paper);
  padding: 0.7em 1.2em;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  box-shadow: var(--shadow-card);
  opacity: 0;
  transform: translateY(8px);
  animation: toast-in var(--transition-base) forwards, toast-out var(--transition-base) forwards 2.6s;
}
@keyframes toast-in { to { opacity: 1; transform: translateY(0); } }
@keyframes toast-out { to { opacity: 0; transform: translateY(-8px); } }

@media (max-width: 599px) {
  .mic-btn { width: 108px; height: 108px; }
  .download-group { width: 100%; }
  .download-group .tbtn { flex: 1; }
}