/* ============================================================
   MUT WiFi Portal — Official Theme
   สี: เลือดหมู #7B1D1D + ทองเหลือง #C9A84C + เทา #6B7280
   Font: Sarabun (Google Fonts) — ทุก weight ทั้ง TH/EN
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Sarabun:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800&display=swap&subset=thai,latin');

:root {
  /* ── MUT Brand Colors ── */
  --maroon:           #7B1D1D;
  --maroon-dark:      #5a1212;
  --maroon-light:     #9b2c2c;
  --maroon-pale:      #f9f0f0;
  --maroon-muted:     #e8d0d0;

  --gold:             #C9A84C;
  --gold-dark:        #9e7d2e;
  --gold-light:       #e8c96a;
  --gold-pale:        #fdf8ee;

  --gray-dark:        #374151;
  --gray-mid:         #6B7280;
  --gray-light:       #9CA3AF;
  --gray-pale:        #F3F4F6;
  --gray-border:      #E5E7EB;

  --white:            #FFFFFF;
  --text-primary:     #1F2937;
  --text-secondary:   #4B5563;
  --text-hint:        #9CA3AF;

  /* ── Status ── */
  --success:          #166534;
  --success-bg:       #f0fdf4;
  --danger:           #991b1b;
  --danger-bg:        #fef2f2;
  --warning:          #92400e;
  --warning-bg:       #fffbeb;
  --info:             #1e40af;
  --info-bg:          #eff6ff;

  --shadow-card:      0 2px 12px rgba(123,29,29,0.08), 0 1px 4px rgba(0,0,0,0.04);
  --radius:           12px;
  --radius-sm:        8px;
}

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

body {
  font-family: 'Sarabun', sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-primary);
  background: var(--gray-pale);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-image:
    radial-gradient(ellipse at 15% 50%, rgba(123,29,29,0.05) 0%, transparent 55%),
    radial-gradient(ellipse at 85% 15%, rgba(201,168,76,0.06) 0%, transparent 50%);
}

/* ── Page wrapper ────────────────────────────────────────── */
.page-wrap {
  width: 100%;
  max-width: 480px;
  padding: 20px 16px 32px;
}

/* ── Header ──────────────────────────────────────────────── */
.site-header {
  text-align: center;
  margin-bottom: 20px;
}

.header-logo-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-bottom: 10px;
}

.header-emblem {
  width: 68px;
  height: 68px;
  background: linear-gradient(145deg, var(--maroon) 0%, var(--maroon-dark) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(123,29,29,0.35);
  flex-shrink: 0;
  border: 3px solid var(--gold);
}

.emblem-inner {
  font-size: 30px;
  line-height: 1;
}

.header-text-wrap { text-align: left; }

.logo-th {
  font-family: 'Sarabun', sans-serif;
  font-size: 14px;
  font-weight: 700;
  color: var(--maroon-dark);
  line-height: 1.4;
}

.logo-en {
  font-family: 'Sarabun', sans-serif;
  font-size: 11px;
  font-weight: 500;
  color: var(--gold-dark);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  line-height: 1.3;
}

.header-divider {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 8px 0 4px;
}

.header-divider::before,
.header-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.header-divider-text {
  font-family: 'Sarabun', sans-serif;
  font-size: 12px;
  font-weight: 600;
  color: var(--maroon);
  letter-spacing: 0.05em;
  white-space: nowrap;
}

/* ── Card ────────────────────────────────────────────────── */
.card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--maroon-muted);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 5px;
  background: linear-gradient(90deg,
    var(--maroon-dark) 0%,
    var(--maroon) 25%,
    var(--gold) 50%,
    var(--maroon) 75%,
    var(--maroon-dark) 100%);
}

/* ── Card Typography ─────────────────────────────────────── */
h2, .card-title {
  font-family: 'Sarabun', sans-serif;
  font-size: 21px;
  font-weight: 700;
  color: var(--maroon-dark);
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}

h3 {
  font-family: 'Sarabun', sans-serif;
  font-size: 15px;
  font-weight: 600;
  color: var(--maroon);
}

.card-subtitle, .hint {
  font-family: 'Sarabun', sans-serif;
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.card-subtitle strong, .hint strong {
  color: var(--maroon);
  font-weight: 600;
}

.hint {
  background: var(--maroon-pale);
  border-left: 3px solid var(--maroon);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  margin-bottom: 20px;
}

/* ── Form ────────────────────────────────────────────────── */
.form-group { margin-bottom: 18px; }

.form-group label {
  display: block;
  font-family: 'Sarabun', sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-dark);
  margin-bottom: 6px;
}

.form-group input {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--gray-border);
  border-radius: var(--radius-sm);
  font-family: 'Sarabun', sans-serif;
  font-size: 15px;
  color: var(--text-primary);
  background: var(--white);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}

.form-group input:focus {
  border-color: var(--maroon);
  box-shadow: 0 0 0 3px rgba(123,29,29,0.10);
}

.form-group input::placeholder {
  color: var(--text-hint);
  font-weight: 300;
}

/* ── Button ──────────────────────────────────────────────── */
.btn {
  display: block;
  width: 100%;
  padding: 13px 20px;
  border: none;
  border-radius: var(--radius-sm);
  font-family: 'Sarabun', sans-serif;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  letter-spacing: 0.02em;
}

.btn-primary {
  background: linear-gradient(135deg, var(--maroon) 0%, var(--maroon-light) 100%);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(123,29,29,0.35);
  position: relative;
  overflow: hidden;
}

.btn-primary::after {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.12), transparent);
  transition: left 0.4s;
}

.btn-primary:hover::after { left: 150%; }

.btn-primary:hover {
  background: linear-gradient(135deg, var(--maroon-dark) 0%, var(--maroon) 100%);
  box-shadow: 0 6px 18px rgba(123,29,29,0.45);
  transform: translateY(-1px);
}

.btn-primary:active { transform: translateY(0); }

/* ── Alerts ──────────────────────────────────────────────── */
.alert {
  padding: 11px 15px;
  border-radius: var(--radius-sm);
  font-family: 'Sarabun', sans-serif;
  font-size: 14px;
  margin-bottom: 16px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  border-left: 4px solid;
}

.alert-icon { font-size: 15px; flex-shrink: 0; margin-top: 2px; }

.alert-success { background: var(--success-bg); color: var(--success); border-color: var(--success); }
.alert-danger  { background: var(--danger-bg);  color: var(--danger);  border-color: var(--danger); }
.alert-warning { background: var(--warning-bg); color: var(--warning); border-color: #d97706; }
.alert-info    { background: var(--info-bg);    color: var(--info);    border-color: var(--info); }

/* ── Divider + Links ─────────────────────────────────────── */
hr {
  border: none;
  border-top: 1px solid var(--gray-border);
  margin: 20px 0;
}

.link-text, .center {
  font-family: 'Sarabun', sans-serif;
  font-size: 14px;
  color: var(--text-hint);
  text-align: center;
}

.link-text a {
  color: var(--maroon);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}

.link-text a:hover { border-color: var(--maroon); }

/* ── Success box ─────────────────────────────────────────── */
.success-box { text-align: center; }

.success-icon-wrap {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--maroon) 0%, var(--maroon-light) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
  box-shadow: 0 4px 16px rgba(123,29,29,0.35);
  font-size: 28px;
  color: var(--white);
}

.success-box h2 {
  font-family: 'Sarabun', sans-serif;
  font-size: 22px;
  color: var(--maroon-dark);
  margin-bottom: 6px;
}

.success-box p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.success-box p strong { color: var(--maroon); }

.expiry-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 100%);
  color: var(--maroon-dark);
  font-family: 'Sarabun', sans-serif;
  font-size: 13px;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: 20px;
  margin: 8px 0 16px;
  box-shadow: 0 2px 8px rgba(201,168,76,0.35);
}

.wifi-steps {
  background: var(--gray-pale);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  text-align: left;
  border: 1px solid var(--gray-border);
}

.wifi-steps h3 {
  font-family: 'Sarabun', sans-serif;
  font-size: 14px;
  color: var(--maroon);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.wifi-steps ol {
  padding-left: 18px;
  margin: 0;
}

.wifi-steps ol li {
  font-family: 'Sarabun', sans-serif;
  font-size: 13px;
  color: var(--text-secondary);
  padding: 3px 0;
}

.wifi-steps ol li strong { color: var(--text-primary); }

/* ── Footer ──────────────────────────────────────────────── */
.site-footer {
  text-align: center;
  margin-top: 18px;
  font-family: 'Sarabun', sans-serif;
  font-size: 12px;
  color: var(--text-hint);
}

.site-footer a { color: var(--maroon); text-decoration: none; }

.footer-gold-bar {
  width: 44px;
  height: 2px;
  background: linear-gradient(90deg, var(--maroon), var(--gold), var(--maroon));
  margin: 8px auto 6px;
  border-radius: 2px;
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 480px) {
  .card { padding: 24px 18px; }
  .header-emblem { width: 56px; height: 56px; }
  .emblem-inner { font-size: 24px; }
  h2, .card-title { font-size: 19px; }
}
/* ── Step items (register_success, password_reset_success) ── */
.step-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
}

.step-num {
  width: 28px;
  height: 28px;
  background: linear-gradient(135deg, var(--maroon), var(--maroon-light));
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
  box-shadow: 0 2px 6px rgba(123,29,29,0.25);
}

.step-text { flex: 1; }

.step-text strong {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.step-text p {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 400;
  margin: 0;
}