/* ============================================================
   AI Translation — Unified Design System
   โทนเดียวกันทุกหน้า: modern dark + cyan accent
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=Noto+Sans+Thai:wght@400;500;600;700&display=swap');

:root {
  --bg: #060b18;
  --bg-grad:
    radial-gradient(1100px 580px at 85% -18%, rgba(26, 144, 255, 0.24) 0%, transparent 56%),
    radial-gradient(900px 540px at -18% 18%, rgba(52, 211, 153, 0.16) 0%, transparent 52%),
    linear-gradient(170deg, #060b18 0%, #070e1f 44%, #050915 100%);
  --surface: rgba(255, 255, 255, 0.035);
  --surface-2: rgba(255, 255, 255, 0.055);
  --surface-3: rgba(255, 255, 255, 0.08);
  --border: rgba(148, 163, 184, 0.2);
  --border-strong: rgba(148, 163, 184, 0.34);
  --text: #e6ecf7;
  --text-dim: #a6b4ca;
  --text-faint: #7e8ca3;
  --brand: #27b5ff;
  --brand-2: #20e3c2;
  --brand-grad: linear-gradient(132deg, #23c2ff 0%, #17a0ff 42%, #18e0be 100%);
  --good: #34d399;
  --warn: #fbbf24;
  --bad: #fb7185;
  --radius: 18px;
  --radius-sm: 11px;
  --shadow: 0 18px 40px -24px rgba(0, 0, 0, 0.85);
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  background-image: var(--bg-grad);
  background-attachment: fixed;
  color: var(--text);
  font-family: 'Manrope', 'Noto Sans Thai', 'Segoe UI', Tahoma, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a {
  color: #72d7ff;
  text-decoration: none;
  transition: color .15s ease;
}

a:hover {
  color: #a5f3fc;
  text-decoration: none;
}

/* ---------- typography ---------- */
h1 {
  font-size: clamp(1.45rem, 2.2vw, 1.9rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 4px;
}

h2 {
  font-size: .95rem;
  font-weight: 700;
  color: var(--text-dim);
  margin: 18px 0 10px;
  letter-spacing: .02em;
  text-transform: none;
}

.muted {
  color: var(--text-dim);
}

.faint {
  color: var(--text-faint);
  font-size: .85rem;
}

/* ---------- surfaces ---------- */
.card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.038), rgba(255, 255, 255, 0.02));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}

/* ---------- buttons ---------- */
.btn {
  appearance: none;
  border: 0;
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  border-radius: var(--radius-sm);
  padding: 10px 17px;
  color: #f4fbff;
  background-image: var(--brand-grad);
  background-size: 145%;
  transition: transform .08s ease, box-shadow .15s, filter .15s, background-position .24s;
  box-shadow: 0 12px 24px -14px rgba(35, 194, 255, .85);
}

.btn:hover {
  filter: brightness(1.08);
  background-position: right center;
}

.btn:active {
  transform: translateY(1px);
}

.btn:disabled {
  opacity: .45;
  cursor: default;
  filter: grayscale(.3);
  box-shadow: none;
}

.btn.ghost {
  background: var(--surface-2);
  background-image: none;
  color: var(--text);
  border: 1px solid var(--border-strong);
  box-shadow: none;
}

.btn.ghost:hover {
  border-color: #67d5ff;
  background: rgba(39, 181, 255, .11);
}

.btn.sm {
  padding: 7px 12px;
  font-size: .84rem;
}

/* ปุ่มหลัก (primary CTA) ของแต่ละหน้า — ใหญ่ เด่นสุด */
.btn.lg {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 15px 28px;
  font-size: 1.08rem;
  border-radius: 14px;
  min-height: 52px;
}

.btn.block {
  display: flex;
  width: 100%;
  justify-content: center;
}

/* danger (ลบ / หยุด) — แดงชัด แยกจากปุ่มทั่วไป */
.btn.danger {
  background-image: linear-gradient(132deg, #ff5a6e 0%, #f43f5e 58%, #e11d48 100%);
  box-shadow: 0 12px 24px -14px rgba(244, 63, 94, .85);
  color: #fff;
}

.btn.ghost.danger {
  background: rgba(244, 63, 94, .1);
  background-image: none;
  color: #fda4af;
  border: 1px solid rgba(244, 63, 94, .4);
  box-shadow: none;
}

.btn.ghost.danger:hover {
  border-color: #fb7185;
  background: rgba(244, 63, 94, .18);
}

/* ---------- inputs ---------- */
input[type=text],
input[type=password],
input[type=number],
input[type=search],
select,
textarea {
  font: inherit;
  color: var(--text);
  background: rgba(4, 10, 22, 0.75);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  outline: none;
  transition: border-color .14s, box-shadow .14s, background .14s;
}

input::placeholder,
textarea::placeholder {
  color: #8c9bb1;
}

input:focus,
select:focus,
textarea:focus {
  border-color: #4ad5ff;
  box-shadow: 0 0 0 3px rgba(39, 181, 255, .2);
  background: rgba(5, 14, 28, 0.9);
}

select option {
  background: #0f172a;
}

/* ---------- badges / pills ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: .72rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--text-dim);
  border: 1px solid var(--border);
}

.badge.brand {
  background: rgba(39, 181, 255, .14);
  color: #9ce8ff;
  border-color: rgba(39, 181, 255, .34);
}

.badge.good {
  background: rgba(52, 211, 153, .14);
  color: #7af0c0;
  border-color: rgba(52, 211, 153, .3);
}

.badge.warn {
  background: rgba(251, 191, 36, .13);
  color: #f7d57c;
  border-color: rgba(251, 191, 36, .28);
}

.badge.dot::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
}

.badge.bad {
  background: rgba(244, 63, 94, .15);
  color: #fda4af;
  border-color: rgba(244, 63, 94, .34);
}

/* LIVE — แดง กระพริบ */
.badge.live {
  background: rgba(244, 63, 94, .16);
  color: #ffb3bd;
  border-color: rgba(244, 63, 94, .42);
}

.badge.live.dot::before {
  background: #fb4d63;
  animation: livepulse 1.3s ease-in-out infinite;
}

@keyframes livepulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .4; transform: scale(.8); }
}

/* empty state (เช่น บทแปลยังว่าง) */
.empty {
  text-align: center;
  color: var(--text-dim);
  padding: 26px 16px;
  font-size: .96rem;
  line-height: 1.6;
}

.empty .big {
  display: block;
  font-size: 2rem;
  opacity: .45;
  margin-bottom: 8px;
}

/* helper / ข้อความช่วยเหลือ — อ่านง่ายกว่า .faint */
.help {
  color: #aab8cd;
  font-size: .9rem;
  line-height: 1.6;
}

/* ---------- status bar ---------- */
.statusbar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 8px 6px 14px;
  font-size: .82rem;
}

.statusbar .credit {
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}

.statusbar .credit.low {
  color: var(--warn);
}

.statusbar .credit.out {
  color: var(--bad);
}

/* ---------- table ---------- */
table {
  width: 100%;
  border-collapse: collapse;
}

thead th,
th {
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--text-dim);
}

td {
  border-top: 1px solid rgba(148, 163, 184, 0.16);
}

/* ---------- layout helpers ---------- */
.row {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.wrap {
  width: min(100%, 980px);
  margin: 0 auto;
  padding: 24px 16px;
}

.spacer {
  flex: 1;
}

/* ---------- scrollbar ---------- */
*::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

*::-webkit-scrollbar-track {
  background: rgba(148, 163, 184, 0.08);
}

*::-webkit-scrollbar-thumb {
  background: rgba(148, 163, 184, 0.36);
  border-radius: 999px;
  border: 2px solid transparent;
  background-clip: content-box;
}

*::-webkit-scrollbar-thumb:hover {
  background: rgba(125, 211, 252, 0.58);
  background-clip: content-box;
}

/* ---------- responsive ---------- */
@media (max-width: 768px) {
  .wrap {
    padding: 16px 12px;
  }

  .card {
    border-radius: 14px;
    padding: 14px;
  }

  /* touch target ขั้นต่ำ 44px บนมือถือ */
  .btn {
    padding: 11px 16px;
    min-height: 44px;
  }

  .btn.sm {
    min-height: 38px;
  }

  .btn.lg {
    min-height: 54px;
    font-size: 1.12rem;
    width: 100%;
  }
}