/* =========================================================
   Uyghur ASR / TTS  —  style.css
   ========================================================= */

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

:root {
  --bg:          #f5f6f8;
  --surface:     #ffffff;
  --border:      #e2e4e9;
  --text:        #1a1d23;
  --muted:       #6b7280;
  --accent:      #2563eb;
  --accent-dark: #1d4ed8;
  --accent-light:#eff6ff;
  --danger:      #dc2626;
  --success:     #16a34a;
  --radius:      10px;
  --shadow:      0 1px 4px rgba(0,0,0,.08);
  --font:        -apple-system, "Segoe UI", system-ui, sans-serif;
  --font-arabic: "UKIJ Tuz Tom", "Traditional Arabic", "Arabic Typesetting", serif;
  --font-cyrillic: -apple-system, "Segoe UI", system-ui, sans-serif;
}

/* ── UKIJ Tuz Tom (upload to /uyghurasr/assets/fonts/) ── */
@font-face {
  font-family: "UKIJ Tuz Tom";
  src: url("fonts/UKIJTuzTom.ttf") format("truetype");
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

body {
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.6;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

/* ── Script-specific body classes ── */
body.script-arabic  {
  direction: rtl;
  font-family: var(--font-arabic);
}
body.script-latin,
body.script-cyrillic { direction: ltr; }

/* Force UKIJ Tuz Tom on ALL elements in Arabic mode.
   Buttons and inputs do not inherit font from body in all browsers. */
body.script-arabic *,
body.script-arabic *::before,
body.script-arabic *::after {
  font-family: var(--font-arabic) !important;
}

/* RTL adjustments for Arabic */
body.script-arabic .site-header .header-inner { flex-direction: row-reverse; }
body.script-arabic .tabs { flex-direction: row-reverse; }
body.script-arabic .btn-row { flex-direction: row-reverse; }
body.script-arabic .mic-row { flex-direction: row-reverse; }
body.script-arabic .speed-row { flex-direction: row-reverse; }
body.script-arabic .format-row { flex-direction: row-reverse; }
body.script-arabic .file-preview { flex-direction: row-reverse; }

/* ── Header ── */
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 1.5rem;
}
.header-inner {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 1rem;
  height: 60px;
}
.logo {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  flex: 1;
}
.logo span { color: var(--accent); }

/* ── Script switcher ── */
.script-switcher {
  display: flex;
  gap: .25rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: .2rem;
}
.script-btn {
  background: none;
  border: none;
  padding: .3rem .7rem;
  border-radius: 6px;
  font-size: .82rem;
  font-family: inherit;
  color: var(--muted);
  cursor: pointer;
  transition: background .15s, color .15s;
  white-space: nowrap;
}
.script-btn:hover { color: var(--text); background: var(--surface); }
.script-btn.active {
  background: var(--surface);
  color: var(--accent);
  font-weight: 600;
  box-shadow: var(--shadow);
}
/* Arabic button uses its own font for legibility */
.script-btn[data-script="arabic"] {
  font-family: var(--font-arabic);
  font-size: 1rem;
}

/* ── Main layout ── */
.main { max-width: 860px; margin: 0 auto; padding: 2rem 1.5rem 4rem; }

/* ── Tabs ── */
.tabs { display: flex; border-bottom: 2px solid var(--border); margin-bottom: 2rem; gap: .25rem; }
.tab-btn {
  background: none;
  border: none;
  padding: .65rem 1.2rem;
  font-size: .95rem;
  font-family: inherit;
  color: var(--muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  border-radius: var(--radius) var(--radius) 0 0;
  transition: color .15s, border-color .15s;
  font-weight: 500;
}
.tab-btn:hover { color: var(--text); }
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── Card ── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  margin-bottom: 1.25rem;
}
.card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 1rem;
}

/* ── Drop zone ── */
.drop-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 2.5rem 1rem;
  text-align: center;
  cursor: pointer;
  transition: border-color .2s, background .2s;
  position: relative;
}
.drop-zone:hover, .drop-zone.drag-over {
  border-color: var(--accent);
  background: var(--accent-light);
}
.drop-zone input[type="file"] {
  position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; height: 100%;
}
.drop-icon { font-size: 2rem; margin-bottom: .5rem; color: var(--muted); }
.drop-label { color: var(--muted); font-size: .9rem; }
.drop-label strong { color: var(--accent); }
.drop-formats { font-size: .78rem; color: var(--muted); margin-top: .4rem; }

/* ── File preview ── */
.file-preview {
  display: none;
  align-items: center;
  gap: .75rem;
  padding: .75rem 1rem;
  background: var(--accent-light);
  border: 1px solid #bfdbfe;
  border-radius: var(--radius);
  margin-top: 1rem;
}
.file-preview.visible { display: flex; }
.file-name { font-size: .88rem; font-weight: 500; flex: 1; word-break: break-all; }
.file-size { font-size: .78rem; color: var(--muted); white-space: nowrap; }
.btn-icon {
  background: none; border: none; cursor: pointer; color: var(--muted);
  padding: .2rem; border-radius: 4px; font-size: 1rem; line-height: 1;
}
.btn-icon:hover { color: var(--danger); }

/* ── Mic button ── */
.mic-row { display: flex; align-items: center; gap: .75rem; margin-top: 1rem; }
.mic-label { font-size: .85rem; color: var(--muted); }
.btn-mic {
  display: inline-flex; align-items: center; gap: .4rem;
  background: #fef2f2; border: 1px solid #fca5a5;
  color: var(--danger); padding: .45rem .9rem;
  border-radius: 6px; cursor: pointer; font-size: .85rem; font-family: inherit;
  transition: background .15s;
}
.btn-mic:hover { background: #fee2e2; }
.btn-mic.recording { background: var(--danger); color: #fff; border-color: var(--danger); animation: pulse 1s infinite; }
.btn-mic.recording:hover { background: #b91c1c; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.7} }
.rec-timer { font-size: .82rem; color: var(--danger); font-variant-numeric: tabular-nums; display: none; }
.rec-timer.visible { display: inline; }

/* ── Progress ── */
.progress-bar-wrap {
  height: 6px; background: var(--border); border-radius: 3px;
  margin-top: 1rem; overflow: hidden; display: none;
}
.progress-bar-wrap.visible { display: block; }
.progress-bar {
  height: 100%; width: 0%; background: var(--accent);
  border-radius: 3px; transition: width .3s;
}

.status-msg { font-size: .85rem; color: var(--muted); margin-top: .5rem; min-height: 1.3em; }
.status-msg.error { color: var(--danger); }
.status-msg.success { color: var(--success); }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .55rem 1.2rem; border-radius: 7px; font-size: .9rem;
  font-family: inherit; font-weight: 500; cursor: pointer;
  border: 1px solid transparent; transition: background .15s, opacity .15s;
}
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--accent-dark); }
.btn-secondary { background: var(--surface); color: var(--text); border-color: var(--border); }
.btn-secondary:hover:not(:disabled) { background: var(--bg); }
.btn-row { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1rem; }

/* ── Text areas — script-aware ── */
.result-box,
.tts-textarea {
  width: 100%;
  padding: .75rem 1rem;
  border: 1px solid var(--border);
  border-radius: 7px;
  font-family: inherit;
  font-size: .95rem;
  line-height: 1.7;
  resize: vertical;
  background: var(--bg);
  color: var(--text);
}
.result-box   { min-height: 120px; }
.tts-textarea { min-height: 140px; }
.result-box:focus,
.tts-textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: transparent; }

/* Arabic script in textareas + placeholders */
body.script-arabic .result-box,
body.script-arabic .tts-textarea {
  font-family: var(--font-arabic);
  font-size: 1.15rem;
  direction: rtl;
  text-align: right;
  line-height: 2;
}
body.script-arabic .result-box::placeholder,
body.script-arabic .tts-textarea::placeholder {
  font-family: var(--font-arabic);
  font-size: 1.05rem;
}

/* Cyrillic script in textareas — default font works, just ensure LTR */
body.script-cyrillic .result-box,
body.script-cyrillic .tts-textarea {
  direction: ltr;
  text-align: left;
}

/* ── Audio player ── */
.audio-player-wrap { margin-top: 1rem; display: none; }
.audio-player-wrap.visible { display: block; }
audio { width: 100%; border-radius: 7px; }

/* ── Speed & Format controls ── */
.speed-row {
  display: flex; align-items: center; gap: .75rem; margin-top: .75rem;
}
.speed-row label { font-size: .88rem; color: var(--muted); white-space: nowrap; }
.speed-row input[type=range] { flex: 1; accent-color: var(--accent); }
.speed-val { font-size: .85rem; font-weight: 600; color: var(--text); min-width: 2.8rem; text-align: right; }

.format-row { display: flex; align-items: center; gap: .75rem; margin-top: .75rem; }
.format-row label { font-size: .88rem; color: var(--muted); }
.format-row select {
  padding: .3rem .6rem; border: 1px solid var(--border); border-radius: 6px;
  font-family: inherit; font-size: .88rem; background: var(--surface); color: var(--text);
}

/* ── Char count ── */
.char-count { font-size: .78rem; color: var(--muted); text-align: right; margin-top: .3rem; }
body.script-arabic .char-count { text-align: left; }

/* ── TTS note ── */
.tts-note { font-size: .8rem; color: var(--muted); margin-top: .5rem; }

/* ── Copy toast ── */
#copy-toast {
  position: fixed; bottom: 1.5rem; left: 50%; transform: translateX(-50%);
  background: #1e293b; color: #fff; padding: .5rem 1.2rem;
  border-radius: 6px; font-size: .85rem; opacity: 0;
  transition: opacity .25s; pointer-events: none; z-index: 999;
}
#copy-toast.show { opacity: 1; }

/* ── Footer ── */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 1rem 1.5rem;
  text-align: center;
  font-size: .78rem;
  color: var(--muted);
}

/* ── Responsive ── */
@media (max-width: 600px) {
  .main { padding: 1.2rem 1rem 3rem; }
  .tab-btn { font-size: .85rem; padding: .55rem .8rem; }
  .btn-row { flex-direction: column; }
  .btn { justify-content: center; }
  .script-btn { padding: .3rem .5rem; font-size: .75rem; }
}