/* tts.phanxa.com — dark, compact, Vietnamese-friendly UI */
:root {
  --bg: #0d1220;
  --bg2: #111827;
  --panel: #141c2e;
  --panel2: #1a2440;
  --line: #24304d;
  --text: #e6ecf8;
  --muted: #93a1bd;
  --accent: #5b8cff;
  --accent2: #22d3ee;
  --ok: #34d399;
  --warn: #fbbf24;
  --err: #f87171;
  --radius: 14px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background:
    radial-gradient(1000px 500px at 80% -10%, #1b2a55 0%, transparent 60%),
    radial-gradient(800px 400px at -10% 10%, #123 0%, transparent 55%),
    var(--bg);
  color: var(--text);
  font: 15px/1.55 "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  min-height: 100vh;
}
a { color: var(--accent2); }

/* ── top bar ─────────────────────────────────────────────────── */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 14px 22px;
  border-bottom: 1px solid var(--line);
  background: rgba(13, 18, 32, .8); backdrop-filter: blur(8px);
  position: sticky; top: 0; z-index: 20;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand .logo { font-size: 26px; }
.brand h1 { font-size: 17px; margin: 0; letter-spacing: .2px; }
.brand p { margin: 0; font-size: 12px; color: var(--muted); }
.status { display: flex; align-items: center; gap: 10px; font-size: 12.5px; color: var(--muted); }
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--warn); box-shadow: 0 0 8px currentColor; }
.dot.ok { background: var(--ok); } .dot.err { background: var(--err); } .dot.busy { background: var(--accent2); }
.badge {
  padding: 3px 9px; border-radius: 999px; font-size: 11.5px; font-weight: 600;
  background: var(--panel2); border: 1px solid var(--line); color: var(--muted);
}
.badge.hot { color: #052e1c; background: var(--ok); border-color: transparent; }

/* ── layout ──────────────────────────────────────────────────── */
.layout {
  display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(320px, .9fr);
  gap: 16px; padding: 18px 22px 6px; align-items: start;
}
.panel {
  background: linear-gradient(180deg, var(--panel), #121a2c);
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px 18px; box-shadow: 0 10px 30px rgba(0, 0, 0, .25);
}
.panel h2 {
  margin: 0 0 10px; font-size: 13px; text-transform: uppercase;
  letter-spacing: .8px; color: var(--muted); display: flex;
  align-items: center; justify-content: space-between; gap: 8px;
}
@media (max-width: 980px) { .layout { grid-template-columns: 1fr; } }

/* ── text input ──────────────────────────────────────────────── */
.ta-wrap { position: relative; }
textarea#text {
  width: 100%; min-height: 270px; resize: vertical;
  background: #0c1222; color: var(--text);
  border: 1px solid var(--line); border-radius: 10px;
  padding: 14px 14px 30px; font-size: 15.5px; line-height: 1.7;
  outline: none; transition: border-color .15s, box-shadow .15s;
}
textarea#text:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(91, 140, 255, .18); }
textarea#text::placeholder { color: #5c6b8a; }
.counter {
  position: absolute; right: 12px; bottom: 8px; font-size: 12px;
  color: var(--muted); font-family: var(--mono); pointer-events: none;
}
.counter.warn { color: var(--warn); } .counter.err { color: var(--err); font-weight: 700; }

.toolbar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 10px 0 8px; }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--panel2); border: 1px solid var(--line);
  color: var(--text); border-radius: 999px; padding: 6px 12px;
  font-size: 13px; cursor: pointer; transition: .15s;
}
.chip:hover { border-color: var(--accent); transform: translateY(-1px); }
.chip .em { color: var(--accent2); font-weight: 700; }
.chip.mood.active { background: var(--accent); border-color: var(--accent); color: #071026; font-weight: 600; }
.sep { flex: 1; }
.link-btn {
  background: none; border: none; color: var(--muted); cursor: pointer;
  font-size: 13px; padding: 4px 6px; border-radius: 6px;
}
.link-btn:hover { color: var(--text); background: rgba(255,255,255,.06); }
.meta-row { display: flex; gap: 16px; flex-wrap: wrap; font-size: 12.5px; color: var(--muted); margin-bottom: 10px; }
.meta-row b { color: var(--text); font-family: var(--mono); }

.actions { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
button.primary {
  background: linear-gradient(135deg, var(--accent), #3b6df6);
  color: white; border: none; border-radius: 10px;
  padding: 12px 26px; font-size: 15px; font-weight: 700; cursor: pointer;
  transition: .15s; box-shadow: 0 8px 20px rgba(59, 109, 246, .35);
}
button.primary:hover { filter: brightness(1.08); transform: translateY(-1px); }
button.primary:disabled { opacity: .55; cursor: not-allowed; transform: none; }
button.ghost {
  background: var(--panel2); color: var(--text); border: 1px solid var(--line);
  border-radius: 10px; padding: 11px 18px; font-size: 14px; cursor: pointer;
}
button.ghost:hover { border-color: var(--accent); }
button.danger { background: #3b1520; border: 1px solid #7f1d1d; color: #fecaca; }
.hint { font-size: 12.5px; color: var(--muted); }

/* ── options ─────────────────────────────────────────────────── */
.mode-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 12px; }
.mode-card {
  border: 1px solid var(--line); background: #0e1526; border-radius: 10px;
  padding: 10px 12px; cursor: pointer; transition: .15s;
}
.mode-card:hover { border-color: var(--accent); }
.mode-card.active { border-color: var(--accent); background: #14224a; box-shadow: inset 0 0 0 1px var(--accent); }
.mode-card b { display: block; font-size: 13.5px; }
.mode-card span { font-size: 11.5px; color: var(--muted); }

.field { margin-bottom: 11px; }
.field label { display: flex; justify-content: space-between; gap: 8px; font-size: 12.5px; color: var(--muted); margin-bottom: 4px; }
.field label .val { font-family: var(--mono); color: var(--accent2); }
.field .hint { display: block; font-size: 11.5px; color: #74839f; margin-top: 3px; }
.field select, .field input[type="number"], .field input[type="text"] {
  width: 100%; background: #0c1222; color: var(--text);
  border: 1px solid var(--line); border-radius: 8px; padding: 7px 9px; font-size: 13.5px; outline: none;
}
.field select:focus, .field input:focus { border-color: var(--accent); }
.field input[type="range"] { width: 100%; accent-color: var(--accent); }
.field .range-row { display: flex; gap: 8px; align-items: center; }
.field .range-row input[type="number"] { width: 86px; flex: none; }
.deprecated {
  display: inline-block; font-size: 10px; background: #42210c; color: var(--warn);
  border: 1px solid #7c4a12; padding: 1px 6px; border-radius: 999px; margin-left: 6px;
  vertical-align: middle; font-weight: 700;
}
.switch-row { display: flex; align-items: center; justify-content: space-between; padding: 6px 0; font-size: 13px; }
.switch { position: relative; width: 40px; height: 22px; flex: none; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch .slider {
  position: absolute; inset: 0; background: #2a3550; border-radius: 999px;
  cursor: pointer; transition: .2s;
}
.switch .slider::before {
  content: ""; position: absolute; width: 16px; height: 16px; left: 3px; top: 3px;
  background: #cbd5f5; border-radius: 50%; transition: .2s;
}
.switch input:checked + .slider { background: var(--accent); }
.switch input:checked + .slider::before { transform: translateX(18px); background: white; }

details.adv { border-top: 1px dashed var(--line); margin-top: 10px; padding-top: 8px; }
details.adv > summary { cursor: pointer; font-size: 12.5px; color: var(--muted); user-select: none; }
details.adv > summary:hover { color: var(--text); }
details.adv[open] > summary { color: var(--accent2); margin-bottom: 8px; }
.group-title { font-size: 11px; text-transform: uppercase; letter-spacing: .8px; color: #6d7c9c; margin: 12px 0 6px; }

/* ── player ──────────────────────────────────────────────────── */
.player-panel { margin: 12px 22px; }
.player-grid { display: grid; grid-template-columns: 1fr auto; gap: 14px; align-items: center; }
@media (max-width: 980px) { .player-grid { grid-template-columns: 1fr; } }
.progress-line { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.bar { flex: 1; min-width: 160px; height: 8px; background: #0c1222; border-radius: 999px; overflow: hidden; border: 1px solid var(--line); }
.bar > i { display: block; height: 100%; width: 0%; background: linear-gradient(90deg, var(--accent), var(--accent2)); transition: width .3s; }
.bar.indet > i { width: 35% !important; animation: slide 1.2s ease-in-out infinite; }
@keyframes slide { 0% { margin-left: -35%; } 100% { margin-left: 100%; } }
.stat { font-size: 12.5px; color: var(--muted); font-family: var(--mono); }
.stat b { color: var(--text); }
audio { width: 100%; margin-top: 10px; }
.player-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.spin {
  width: 15px; height: 15px; border: 2px solid #2b3a5f; border-top-color: var(--accent2);
  border-radius: 50%; animation: spin .8s linear infinite; display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }
.nowplaying { font-size: 12.5px; color: var(--accent2); }

/* ── history ─────────────────────────────────────────────────── */
.history-panel { margin: 0 22px 26px; }
.hist-item {
  display: grid; grid-template-columns: auto 1fr auto; gap: 12px; align-items: center;
  padding: 10px 4px; border-bottom: 1px dashed var(--line); font-size: 13.5px;
}
.hist-item:last-child { border-bottom: none; }
.hist-item .prev { color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hist-item .sub { font-size: 11.5px; color: var(--muted); font-family: var(--mono); }
.hist-item .ops { display: flex; gap: 6px; }
.mini {
  background: var(--panel2); border: 1px solid var(--line); color: var(--muted);
  border-radius: 8px; padding: 5px 10px; font-size: 12px; cursor: pointer;
}
.mini:hover { color: var(--text); border-color: var(--accent); }
.empty { color: var(--muted); font-size: 13px; padding: 8px 0; }

/* ── modal ───────────────────────────────────────────────────── */
.modal {
  position: fixed; inset: 0; background: rgba(4, 8, 18, .72);
  display: flex; align-items: center; justify-content: center; z-index: 50; padding: 20px;
}
.modal.hidden { display: none; }
.modal .card {
  background: var(--panel); border: 1px solid var(--line); border-radius: 16px;
  padding: 22px; width: min(480px, 100%); box-shadow: 0 30px 80px rgba(0,0,0,.5);
}
.modal h3 { margin: 0 0 6px; }
.modal p { margin: 0 0 14px; color: var(--muted); font-size: 13px; }
.modal .row { margin-bottom: 12px; }
.modal input[type="file"] { width: 100%; color: var(--muted); font-size: 13px; }
.modal .btns { display: flex; gap: 10px; justify-content: flex-end; margin-top: 16px; }

/* ── toast ───────────────────────────────────────────────────── */
#toast {
  position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%);
  background: #0b1324; border: 1px solid var(--line); color: var(--text);
  padding: 11px 18px; border-radius: 10px; font-size: 13.5px; z-index: 99;
  box-shadow: 0 16px 40px rgba(0,0,0,.5); opacity: 0; pointer-events: none;
  transition: opacity .25s, transform .25s; max-width: 90vw;
}
#toast.show { opacity: 1; transform: translate(-50%, -6px); }
#toast.err { border-color: #7f1d1d; color: #fecaca; }
#toast.ok { border-color: #14532d; color: #bbf7d0; }

footer { text-align: center; color: #5c6b8a; font-size: 12px; padding: 0 0 30px; }
footer a { color: #7d8db3; }

/* ── live curl snippet ─────────────────────────────────────────── */
pre.curl {
  background: #0a1020; border: 1px solid var(--line); border-radius: 10px;
  padding: 14px 16px; margin: 0; overflow-x: auto;
  font-size: 12.8px; line-height: 1.6;
}
pre.curl code {
  background: none; border: none; padding: 0; color: #dbe4ff;
  font-family: var(--mono); white-space: pre;
}
pre.curl .cm { color: #64748b; }          /* comments / continuations */
a.mini { display: inline-flex; align-items: center; text-decoration: none; }
#curlPanel details.adv > summary code { font-size: 12px; }
#curlPanel details.adv[open] > summary { margin-bottom: 8px; }
#curlPanel pre.curl { margin-top: 2px; }
kbd {
  font-family: var(--mono); font-size: 11px; background: #0c1222;
  border: 1px solid var(--line); border-bottom-width: 2px; border-radius: 5px; padding: 1px 5px;
}