:root {
  --login-navy: #0B2C5C;
  --login-navy-deep: #071E42;
  --login-navy-soft: #EEF2F7;
  --login-gold: #C5A06D;
  --login-gold-soft: #F7F1E6;
  --login-ink: #0B2C5C;
  --login-muted: #6b7280;
  --login-line: #e5e7eb;
  --login-font: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
  --login-en: "Montserrat", "Noto Sans TC", sans-serif;
  /* 相容舊變數名稱 */
  --login-purple: var(--login-navy);
  --login-purple-deep: var(--login-navy-deep);
  --login-purple-soft: var(--login-navy-soft);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
}

.login-page {
  min-height: 100vh;
  font-family: var(--login-font);
  color: var(--login-ink);
  background-color: #f8f6f2;
  background-image: url('/images/login-marble.png');
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  background-attachment: fixed;
  overflow-x: hidden;
}

.login-shell {
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto auto auto auto;
  padding: clamp(28px, 5vw, 56px) clamp(20px, 5vw, 64px) 28px;
  max-width: 1180px;
  margin: 0 auto;
  gap: 8px;
}

.login-brand {
  text-align: center;
  animation: loginFadeUp .7s ease both;
}

.login-brand-home {
  margin: 0 0 10px;
  font-size: 13px;
}
.login-brand-home a {
  color: var(--login-navy);
  text-decoration: none;
  font-weight: 600;
}
.login-brand-home a:hover { color: var(--login-gold); }

.login-brand-zh {
  margin: 0;
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--login-navy);
}

.login-brand-tagline {
  margin: 14px 0 0;
  font-size: 14px;
  color: var(--login-navy);
  letter-spacing: .06em;
}

.login-brand-rule {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin: 14px auto 0;
  width: min(360px, 70%);
}

.login-brand-rule-line {
  flex: 1;
  height: 1px;
  background: var(--login-gold);
  opacity: .85;
}

.login-brand-rule-dot {
  width: 6px;
  height: 6px;
  margin: 0 8px;
  border-radius: 50%;
  background: var(--login-gold);
  box-shadow: 0 0 0 1px rgba(197, 160, 109, .35);
  flex-shrink: 0;
}

.login-main {
  display: grid;
  grid-template-columns: minmax(280px, 420px) minmax(260px, 1fr);
  align-items: center;
  gap: clamp(24px, 5vw, 64px);
  padding: 24px 0 8px;
}

.login-panel {
  width: 100%;
  background: rgba(255,255,255,.96);
  border-radius: 18px;
  padding: 34px 32px 30px;
  box-shadow: 0 18px 50px rgba(7, 30, 66, .12);
  border: 1px solid rgba(255,255,255,.8);
  animation: loginFadeUp .75s .08s ease both;
}

.login-panel-head {
  margin-bottom: 22px;
  text-align: center;
}

.login-panel-head h2 {
  margin: 0;
  font-size: 28px;
  font-weight: 700;
  color: var(--login-navy);
}

.login-panel-head h2::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  margin: 12px auto 0;
  border-radius: 2px;
  background: var(--login-gold);
}

.login-panel-head p {
  margin: 6px 0 0;
  font-size: 14px;
  color: var(--login-muted);
}

.login-alert {
  margin: 0 0 14px;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 13px;
  line-height: 1.5;
}

.login-alert-error {
  background: #fef2f2;
  color: #b91c1c;
  border: 1px solid #fecaca;
}

.login-alert-ok {
  background: #f0fdf4;
  color: #15803d;
  border: 1px solid #bbf7d0;
}

.login-field {
  position: relative;
  display: block;
  margin-bottom: 14px;
}

.login-field input {
  width: 100%;
  height: 48px;
  border: 1px solid var(--login-line);
  border-radius: 12px;
  padding: 0 44px 0 44px;
  font: inherit;
  font-size: 15px;
  background: #fff;
  color: var(--login-ink);
  outline: none;
  transition: border-color .2s ease, box-shadow .2s ease;
}

.login-field input:focus {
  border-color: var(--login-navy);
  box-shadow: 0 0 0 3px rgba(11, 44, 92, .12);
}

.login-field-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: #9ca3af;
  pointer-events: none;
}

.login-field-icon svg,
.login-eye svg,
.value-icon svg {
  width: 100%;
  height: 100%;
  display: block;
}

.login-eye {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  width: 34px;
  height: 34px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: #9ca3af;
  cursor: pointer;
  display: grid;
  place-items: center;
  padding: 7px;
}

.login-eye:hover { color: var(--login-purple); background: var(--login-purple-soft); }

.login-options {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 12px;
  margin: 4px 0 18px;
  font-size: 13px;
}

.login-remember {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #374151;
  cursor: pointer;
  user-select: none;
}

.login-remember input {
  width: 16px;
  height: 16px;
  accent-color: var(--login-purple);
}

.login-submit {
  width: 100%;
  height: 48px;
  border: 0;
  border-radius: 12px;
  background: var(--login-navy);
  color: #fff;
  font: inherit;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: .04em;
  cursor: pointer;
  transition: background .2s ease, transform .15s ease, box-shadow .2s ease;
  box-shadow: 0 10px 24px rgba(11, 44, 92, .28);
}

.login-submit:hover {
  background: var(--login-navy-deep);
  transform: translateY(-1px);
}

.login-submit:active { transform: translateY(0); }

.login-mode {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 16px;
  padding: 0;
  border-radius: 0;
  background: transparent;
}

.login-mode-btn {
  height: 42px;
  border: 1px solid transparent;
  border-radius: 10px;
  background: #f3f4f6;
  color: #6b7280;
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: background .18s ease, color .18s ease, box-shadow .18s ease, border-color .18s ease;
}

.login-mode-btn:hover {
  color: var(--login-navy);
}

.login-mode-btn.is-active {
  background: #fff;
  color: var(--login-navy);
  border-color: var(--login-navy);
  box-shadow: 0 4px 14px rgba(11, 44, 92, .1);
}

.login-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 340px;
  animation: loginRingIn .9s .12s ease both;
}

.login-ring {
  width: min(380px, 42vw);
  aspect-ratio: 1;
  border-radius: 50%;
  padding: 8px;
  background:
    linear-gradient(#fff, #fff) padding-box,
    linear-gradient(145deg, #e8d5b0 0%, var(--login-gold) 35%, #a8864a 70%, #e8d5b0 100%) border-box;
  border: 10px solid transparent;
  box-shadow:
    0 0 0 2px rgba(197, 160, 109, .35),
    0 24px 60px rgba(7, 30, 66, .22);
  overflow: hidden;
  position: relative;
}

.login-ring img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  display: block;
  transform: scale(1.02);
}

.login-values {
  margin-top: 18px;
  padding: 8px 0 12px;
  animation: loginFadeUp .8s .16s ease both;
}

.login-values-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 28px;
}

.login-values-eyebrow {
  margin: 0 0 8px;
  font-family: var(--login-en);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .18em;
  color: var(--login-gold);
  text-transform: none;
}

.login-values-head h2 {
  margin: 0 0 12px;
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
  color: #1f2937;
}

.login-values-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: #6b7280;
}

.login-values-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.value-card {
  background: rgba(255,255,255,.94);
  border: 1px solid rgba(229, 231, 235, .9);
  border-radius: 16px;
  padding: 22px 22px 20px;
  box-shadow: 0 10px 28px rgba(15, 23, 42, .05);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.value-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 36px rgba(7, 89, 133, .1);
  border-color: #e8d9b5;
}

.value-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  margin-bottom: 14px;
  color: var(--login-gold);
  background: var(--login-gold-soft);
  padding: 9px;
}

.value-card h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: #111827;
}

.value-card h3 span {
  margin-left: 6px;
  font-family: var(--login-en);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--login-gold);
}

.value-card p {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: #6b7280;
}

.login-footer {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 10px;
  margin-top: 28px;
  padding-top: 8px;
  padding-bottom: 8px;
  animation: loginFadeUp .7s .22s ease both;
}

.login-footer-links {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--login-navy);
}

.login-footer a {
  color: var(--login-navy);
  text-decoration: none;
}

.login-footer a:hover { text-decoration: underline; }
.login-footer-links span { color: var(--login-gold); }

.login-footer-credit {
  margin: 8px 0 0;
  text-align: center;
}

.login-footer-credit-zh {
  margin: 0;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--login-navy);
}

.login-footer-credit-en {
  margin: 6px 0 0;
  font-family: var(--login-en);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .28em;
  color: var(--login-navy);
}

@keyframes loginFadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes loginRingIn {
  from { opacity: 0; transform: scale(.92); }
  to { opacity: 1; transform: scale(1); }
}

@media (max-width: 900px) {
  .login-main {
    grid-template-columns: 1fr;
    justify-items: center;
  }

  .login-visual { order: -1; min-height: auto; }
  .login-ring { width: min(220px, 56vw); border-width: 7px; box-shadow: 0 0 0 1px rgba(197,160,109,.35), 0 16px 36px rgba(7,30,66,.2); }
  .login-panel { max-width: 420px; }
  .login-values-grid { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .login-shell { padding: 24px 16px 20px; }
  .login-panel { padding: 26px 20px; }
  .login-brand-zh { font-size: 24px; }
  .value-card { padding: 18px; }
}

.login-extra-links{display:flex;justify-content:center;align-items:center;gap:10px;margin-top:16px;font-size:13px;color:#9ca3af}
.login-extra-links a{color:var(--login-navy);text-decoration:none;font-weight:600}
.login-extra-links a:hover{text-decoration:underline}
.login-panel.login-panel-wide{max-width:460px}
.login-panel.login-panel-register{max-width:640px}
.login-form-section{margin:0 0 18px;padding:0 0 4px;border-bottom:1px solid #e8eef5}
.login-form-section:last-of-type{border-bottom:0;margin-bottom:8px}
.login-form-section-title{margin:0 0 12px;font-size:14px;font-weight:700;color:var(--login-navy);letter-spacing:.02em}
.login-field-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 12px}
.login-field-grid .login-field{margin-bottom:12px}
.login-hint{margin:0 0 14px;font-size:13px;color:#6b7280;line-height:1.5}
.login-seat-block{margin:4px 0 8px}
.login-seat-label{margin:0 0 10px;font-size:13px;font-weight:700;color:var(--login-navy)}
.seat-chip-grid{
  display:grid;
  grid-template-columns:repeat(5,minmax(0,1fr));
  gap:8px;
}
.seat-chip{
  appearance:none;
  border:1px solid #dbe3ef;
  background:linear-gradient(180deg,#fff 0%,#f8fafc 100%);
  color:#0f172a;
  border-radius:12px;
  min-height:44px;
  font:inherit;
  font-size:15px;
  font-weight:700;
  letter-spacing:.02em;
  cursor:pointer;
  transition:border-color .15s,box-shadow .15s,background .15s,transform .12s;
  box-shadow:0 1px 2px rgba(15,23,42,.04);
}
.seat-chip:hover{
  border-color:#94a3b8;
  transform:translateY(-1px);
}
.seat-chip.is-active{
  border-color:#1d4ed8;
  background:linear-gradient(180deg,#eff6ff 0%,#dbeafe 100%);
  color:#1e3a8a;
  box-shadow:0 0 0 3px rgba(37,99,235,.16);
}
.seat-chip:disabled,
.seat-chip.is-disabled{
  opacity:.4;
  cursor:not-allowed;
  transform:none;
  box-shadow:none;
}
@media (max-width:520px){
  .seat-chip-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}
.login-security-item{margin:0 0 14px}
.login-security-item .login-field{margin-bottom:10px}
.login-security-item .login-field-select select{padding-left:14px}
.login-field-select select{
  width:100%;
  height:48px;
  border:1px solid #e5e7eb;
  border-radius:12px;
  padding:0 42px 0 48px;
  font:inherit;
  font-size:15px;
  color:#111827;
  background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") no-repeat right 14px center;
  appearance:none;
  -webkit-appearance:none;
  cursor:pointer;
}
.login-field-select select:focus{
  outline:none;
  border-color:var(--login-navy);
  box-shadow:0 0 0 3px rgba(11,44,92,.15);
}
.login-back{display:inline-block;margin-top:14px;font-size:13px;color:var(--login-navy);text-decoration:none;font-weight:600}
.login-back:hover{text-decoration:underline}
.auth-plan-picker.login-plan-picker{margin-top:8px}

@media (max-width: 640px) {
  .login-field-grid{grid-template-columns:1fr}
  .login-panel.login-panel-register{max-width:460px}
}

.legal-shell{max-width:860px}
.legal-card{
  background:#fff;
  border:1px solid #e5e7eb;
  border-radius:16px;
  padding:28px 32px 36px;
  box-shadow:0 12px 32px rgba(15,23,42,.06);
  color:#1f2937;
  line-height:1.75;
}
.legal-card h2{margin:0 0 8px;font-size:26px;color:#0b2c5c}
.legal-card h3{margin:22px 0 8px;font-size:17px;color:#0b2c5c}
.legal-card p,.legal-card li{font-size:14px}
.legal-card ol{padding-left:22px;margin:8px 0 0}
.legal-card a{color:#0b2c5c}
.legal-meta{color:#6b7280;font-size:13px;margin:0 0 18px}
.legal-back-wrap{text-align:center;margin:18px 0 28px}