:root {
  --brand: #005828;
  --brand-dark: #00401d;
  --brand-soft: #eaf1ec;
  --accent: #b5822e;
  --accent-dark: #96691f;
  --price: #a63a2f;
  --ink: #2d3529;
  --muted: #77837a;
  --paper: #f6f5f0;
  --card: #ffffff;
  --line: #e3e1d8;
  --line-strong: #cbc7ba;
  --success: #277443;
  --success-soft: #edf7f0;
  --danger: #a63a2f;
  --danger-soft: #fff1ef;
  --warning-soft: #fbf4e6;
  --radius: 10px;
  --radius-sm: 7px;
  --shadow: 0 1px 4px rgba(32, 55, 38, 0.07);
  --shadow-raised: 0 12px 32px rgba(25, 52, 31, 0.12);
  --serif: "Noto Serif TC", "Source Han Serif TC", "PMingLiU", Georgia, serif;
  --sans: "Noto Sans TC", "Microsoft JhengHei", "PingFang TC", Arial, sans-serif;
}

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

html {
  color-scheme: light;
  background: var(--paper);
}

body {
  margin: 0;
  color: var(--ink);
  background-color: var(--paper);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}

button,
input,
select,
textarea {
  font: inherit;
}

a,
button,
input,
select,
textarea {
  -webkit-tap-highlight-color: transparent;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid rgba(181, 130, 46, 0.34);
  outline-offset: 2px;
}

::selection {
  color: var(--brand-dark);
  background: #e8d5ad;
}

/* ── Email 驗證落地頁 ───────────────────────────── */

body.email-verification-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: clamp(20px, 5vw, 56px) 16px;
  background:
    linear-gradient(135deg, rgba(0, 88, 40, 0.08), transparent 50%),
    linear-gradient(315deg, rgba(181, 130, 46, 0.09), transparent 48%),
    var(--paper);
}

.verification-card {
  width: min(100%, 480px);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: var(--shadow-raised);
}

.verification-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 28px 32px;
  color: #fff;
  background: linear-gradient(180deg, var(--brand), var(--brand-dark));
}

.verification-header img {
  width: 64px;
  height: 64px;
  filter: brightness(0) invert(1);
}

.verification-brand {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.verification-brand-en {
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 10px;
  letter-spacing: 0.12em;
}

.verification-content {
  padding: 42px 36px 38px;
  text-align: center;
}

.verification-content h1 {
  margin: 20px 0 10px;
  color: var(--brand-dark);
  font-family: var(--serif);
  font-size: 26px;
}

.verification-content p {
  min-height: 48px;
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

.verification-icon {
  width: 58px;
  height: 58px;
  margin: 0 auto;
  display: grid;
  place-items: center;
  border-radius: 50%;
}

.verification-icon.is-loading {
  border: 4px solid var(--brand-soft);
  border-top-color: var(--brand);
  animation: verification-spin 0.85s linear infinite;
}

.verification-icon.is-success {
  color: var(--success);
  background: var(--success-soft);
}

.verification-icon.is-success::before {
  content: "✓";
  font-size: 34px;
  font-weight: 700;
}

.verification-icon.is-error {
  color: var(--danger);
  background: var(--danger-soft);
}

.verification-icon.is-error::before {
  content: "!";
  font-size: 34px;
  font-weight: 700;
}

.verification-actions {
  margin-top: 26px;
}

.verification-actions[hidden] {
  display: none;
}

.verification-primary,
.verification-secondary {
  display: block;
  width: 100%;
  min-height: 44px;
  padding: 11px 18px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  line-height: 22px;
  text-decoration: none;
}

.verification-primary {
  color: #fff;
  background: var(--brand);
}

.verification-primary:hover {
  background: var(--brand-dark);
}

.verification-secondary {
  margin-top: 10px;
  color: var(--brand);
  border: 1px solid rgba(0, 88, 40, 0.4);
}

.verification-secondary:hover {
  background: var(--brand-soft);
}

.verification-footer {
  padding: 14px;
  color: #725a27;
  background: #f8f1e2;
  border-top: 1px solid #e8dcc2;
  font-size: 12px;
  letter-spacing: 0.04em;
  text-align: center;
}

@keyframes verification-spin {
  to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
  .verification-icon.is-loading { animation-duration: 1.8s; }
}

@media (max-width: 480px) {
  .verification-header { padding: 24px 22px; }
  .verification-content { padding: 34px 24px 30px; }
}

/* ── 會員登入／註冊（選項 C） ───────────────────── */

body.member-auth-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: clamp(20px, 5vw, 56px) 16px;
  background:
    linear-gradient(135deg, rgba(0, 88, 40, 0.08), transparent 50%),
    linear-gradient(315deg, rgba(181, 130, 46, 0.09), transparent 48%),
    var(--paper);
}

.member-auth-page .card {
  width: min(100%, 460px);
  max-width: 460px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: var(--shadow-raised);
}

.member-auth-page .card-header {
  gap: 12px;
  padding: 30px 36px 26px;
  background: linear-gradient(180deg, var(--brand), var(--brand-dark));
}

.member-auth-page .card-header img {
  width: 72px;
  height: 72px;
  filter: brightness(0) invert(1);
  opacity: 1;
}

.member-auth-page .brand-name {
  color: #fff;
  font-family: var(--serif);
  font-size: 23px;
  letter-spacing: 0.08em;
}

.member-auth-page .brand-en {
  color: rgba(255, 255, 255, 0.68);
  font-size: 11px;
  letter-spacing: 0.16em;
}

.member-auth-page .gold-rule {
  width: 64px;
  background: linear-gradient(90deg, transparent, #e0b85f, transparent);
}

.member-auth-page .tab-nav {
  background: #fbfaf7;
  border-bottom-color: var(--line);
}

.member-auth-page .tab-btn {
  min-height: 52px;
  padding: 14px 16px;
  color: var(--muted);
  background: transparent;
  border-bottom-color: transparent;
}

.member-auth-page .tab-btn:hover:not(.active) {
  color: var(--brand);
  background: var(--brand-soft);
}

.member-auth-page .tab-btn.active {
  color: var(--brand);
  background: var(--card);
  border-bottom-color: var(--accent);
}

.member-auth-page .card-body {
  padding: 30px 38px 26px;
}

.member-auth-page .field label {
  color: var(--ink);
  font-weight: 600;
}

.member-auth-page .field input {
  min-height: 44px;
  color: var(--ink);
  background: #fff;
  border-color: var(--line-strong);
  border-radius: var(--radius-sm);
}

.member-auth-page .field input:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(0, 88, 40, 0.11);
}

.member-auth-page .social-btn {
  min-height: 44px;
  color: var(--ink);
  border-color: var(--line-strong);
  border-radius: var(--radius-sm);
}

.member-auth-page .social-btn:hover {
  border-color: var(--brand);
  background: var(--brand-soft);
  box-shadow: var(--shadow);
}

.member-auth-page .login-btn {
  min-height: 46px;
  color: #fff;
  background: var(--brand);
  border-radius: var(--radius-sm);
  box-shadow: 0 3px 10px rgba(0, 88, 40, 0.16);
}

.member-auth-page .login-btn:hover {
  background: var(--brand-dark);
}

.member-auth-page .divider {
  color: var(--muted);
}

.member-auth-page .divider::before,
.member-auth-page .divider::after {
  background: var(--line);
}

.member-auth-page .error-box {
  color: var(--danger);
  background: var(--danger-soft);
  border-color: #e7beb7;
  border-left-color: var(--danger);
  border-radius: var(--radius-sm);
}

.member-auth-page .card-footer {
  color: #725a27;
  background: #f8f1e2;
  border-top-color: #e8dcc2;
}

/* ── 訂閱頁（選項 C） ─────────────────────────── */

body.subscription-page,
body.member-service-page,
body.payment-page {
  overflow-x: hidden;
  color: var(--ink);
  background: var(--paper);
}

.subscription-page .site-header {
  height: 94px;
  padding: 0 clamp(20px, 4vw, 56px);
  background: rgba(255, 255, 255, 0.98);
  border-bottom-color: var(--line);
}

.subscription-page .site-brand {
  gap: 16px;
}

.subscription-page .site-brand img {
  width: 64px;
  height: 64px;
}

.subscription-page .brand-text .brand-name {
  color: var(--brand-dark);
  font-family: var(--serif);
  font-size: clamp(24px, 3vw, 30px);
  letter-spacing: 0.05em;
}

.subscription-page .brand-text .brand-tagline {
  margin-top: 2px;
  color: var(--accent-dark);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.subscription-page .header-member {
  color: var(--muted);
}

.subscription-page .header-logout,
.member-service-page .header-logout {
  color: var(--brand);
  border-color: rgba(0, 88, 40, 0.5);
  border-radius: var(--radius-sm);
}

.subscription-page .header-logout:hover {
  background: var(--brand-soft);
}

.subscription-page .site-nav {
  height: 44px;
  padding: 0 clamp(16px, 4vw, 48px);
  gap: 4px;
  background: linear-gradient(180deg, var(--brand), var(--brand-dark));
}

.subscription-page .nav-link {
  height: 44px;
  padding: 0 16px;
  color: rgba(255, 255, 255, 0.86);
  border-radius: 0;
}

.subscription-page .nav-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.subscription-page .nav-link[aria-current="page"] {
  color: #fff;
  background: rgba(255, 255, 255, 0.13);
  box-shadow: inset 0 -3px 0 #e2ba66;
}

.subscription-page .hero {
  padding: 44px 24px 42px;
  background:
    linear-gradient(90deg, rgba(0, 88, 40, 0.05), rgba(181, 130, 46, 0.08)),
    #eee7d8;
  border-bottom: 1px solid #ded5c2;
}

.subscription-page .hero h1 {
  max-width: 100%;
  color: var(--brand-dark);
  font-family: var(--serif);
  font-size: clamp(25px, 4vw, 34px);
  line-height: 1.45;
  letter-spacing: 0.03em;
  overflow-wrap: anywhere;
}

.subscription-page .hero p {
  color: #695f4e;
  font-size: 14px;
}

.subscription-page .page-body {
  width: 100%;
  max-width: 1120px;
  min-width: 0;
  grid-template-columns: minmax(300px, 370px) minmax(0, 1fr);
  gap: 28px;
  margin: 34px auto;
  padding-bottom: 72px;
}

.subscription-page .page-body > div,
.subscription-page .card,
.subscription-page form,
.subscription-page .plan-list {
  min-width: 0;
  max-width: 100%;
}

.subscription-page .card,
.member-service-page .card,
.member-service-page .info-card,
.member-service-page .status-card {
  border-color: var(--line);
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: var(--shadow);
}

.subscription-page .card {
  padding: 28px;
}

.subscription-page .card-title,
.member-service-page .card-title {
  color: var(--brand);
  font-family: var(--serif);
  font-size: 16px;
  text-transform: none;
  letter-spacing: 0.04em;
  border-bottom-color: var(--line);
}

.subscription-page .member-row {
  border-bottom-color: #efede6;
}

.subscription-page .member-label {
  color: var(--muted);
}

.subscription-page .member-value {
  color: var(--ink);
}

.subscription-page .level-badge,
.member-service-page .level-badge {
  color: var(--brand);
  background: var(--brand-soft);
  border-color: #c8dccf;
  border-radius: 999px;
}

.subscription-page .social-btn {
  min-height: 44px;
  color: var(--ink);
  border-color: var(--line-strong);
  border-radius: var(--radius-sm);
}

.subscription-page .social-btn:hover {
  border-color: var(--brand);
  background: var(--brand-soft);
  box-shadow: var(--shadow);
}

.subscription-page .field label {
  color: var(--ink);
}

.subscription-page .field input {
  min-height: 43px;
  color: var(--ink);
  border-color: var(--line-strong);
  border-radius: var(--radius-sm);
}

.subscription-page .field input:focus {
  border-color: var(--brand);
  outline-color: var(--brand-soft);
}

.subscription-page .login-btn,
.subscription-page .pay-btn {
  min-height: 46px;
  color: #fff;
  background: var(--brand);
  border-radius: var(--radius-sm);
}

.subscription-page .login-btn:hover,
.subscription-page .pay-btn:hover:not(:disabled) {
  background: var(--brand-dark);
}

.subscription-page .plan-label {
  border-color: var(--line-strong);
  border-radius: var(--radius-sm);
  background: #fff;
}

.subscription-page .plan-label:hover {
  border-color: var(--brand);
  background: #fbfdfb;
}

.subscription-page .plan-label.selected {
  border-color: var(--brand);
  background: var(--brand-soft);
  box-shadow: 0 0 0 2px rgba(0, 88, 40, 0.08);
}

.subscription-page .plan-price,
.subscription-page .pay-summary-row.total .value {
  color: var(--price);
}

.subscription-page .plan-expiry,
.subscription-page .plan-desc,
.subscription-page .pay-note,
.subscription-page .login-note {
  color: var(--muted);
}

.subscription-page .pay-summary {
  color: var(--ink);
  background: #faf6ed;
  border-color: #dfd2b8;
  border-radius: var(--radius-sm);
}

.subscription-page .login-required {
  color: #715d31;
  background: var(--warning-soft);
  border-color: #dfd1b4;
  border-radius: var(--radius-sm);
}

.subscription-page .alert,
.member-service-page .alert {
  border-radius: var(--radius-sm);
}

.subscription-page .alert-success,
.member-service-page .alert-success {
  color: var(--success);
  background: var(--success-soft);
  border-color: #c7dfcf;
}

.subscription-page .alert-error,
.member-service-page .alert-error {
  color: var(--danger);
  background: var(--danger-soft);
  border-color: #e7beb7;
}

/* ── 會員中心／兌換（選項 C） ─────────────────── */

.member-service-page .site-header {
  height: 72px;
  padding: 0 clamp(18px, 4vw, 48px);
  background: linear-gradient(180deg, var(--brand), var(--brand-dark));
  box-shadow: 0 2px 10px rgba(0, 64, 29, 0.16);
}

.member-service-page .header-brand {
  gap: 12px;
}

.member-service-page .header-brand img {
  width: 42px;
  height: 42px;
}

.member-service-page .header-brand-name {
  color: #fff;
  font-family: var(--serif);
  font-size: 18px;
  letter-spacing: 0.05em;
}

.member-service-page .header-user {
  color: rgba(255, 255, 255, 0.78);
}

.member-service-page .header-logout {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.42);
}

.member-service-page .header-logout:hover {
  background: rgba(255, 255, 255, 0.12);
}

.member-service-page .tabs {
  padding: 0 clamp(18px, 4vw, 48px);
  background: #fff;
  border-bottom-color: var(--line);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.02);
}

.member-service-page .tab-link {
  min-height: 50px;
  color: var(--muted);
  border-bottom-color: transparent;
}

.member-service-page .tab-link:hover {
  color: var(--brand);
}

.member-service-page .tab-link.active {
  color: var(--brand);
  border-bottom-color: var(--accent);
}

.member-service-page .main {
  width: min(100%, 780px);
  max-width: 780px;
  margin: 0 auto;
  padding: 38px 20px 72px;
}

.member-service-page .greet {
  color: var(--brand-dark);
  font-family: var(--serif);
  font-size: 24px;
}

.member-service-page .status-card,
.member-service-page .info-card,
.member-service-page .card {
  overflow: hidden;
  border-radius: var(--radius);
}

.member-service-page .status-card.active {
  border-left-color: var(--success);
}

.member-service-page .status-card.expired {
  border-left-color: var(--danger);
}

.member-service-page .status-main,
.member-service-page .status-card.active .status-main {
  color: var(--brand);
}

.member-service-page .status-card.expired .status-main {
  color: var(--danger);
}

.member-service-page .status-date,
.member-service-page .status-tag,
.member-service-page .info-label,
.member-service-page .card-desc,
.member-service-page .info-item {
  color: var(--muted);
}

.member-service-page .info-row {
  border-bottom-color: #efede6;
}

.member-service-page .info-value {
  color: var(--ink);
}

.member-service-page .renew-notice {
  color: #715d31;
  background: var(--warning-soft);
  border-color: #dfd1b4;
  border-radius: var(--radius-sm);
}

.member-service-page .cta-card {
  color: #fff;
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  border-radius: var(--radius);
  box-shadow: var(--shadow-raised);
}

.member-service-page .cta-card h3 {
  font-family: var(--serif);
}

.member-service-page .cta-btn,
.member-service-page .redeem-btn {
  color: #fff;
  background: var(--accent);
  border-radius: var(--radius-sm);
}

.member-service-page .cta-btn:hover,
.member-service-page .redeem-btn:hover {
  background: var(--accent-dark);
}

.member-service-page .code-input {
  min-height: 48px;
  color: var(--ink);
  border-color: var(--line-strong);
  border-radius: var(--radius-sm);
}

.member-service-page .code-input:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(0, 88, 40, 0.11);
}

.member-service-page .dot {
  background: var(--accent);
}

/* ── 一般付款頁（選項 C） ─────────────────────── */

body.payment-page {
  min-height: 100vh;
  display: block;
  padding: 0;
}

.payment-page .payment-header {
  width: 100%;
  min-width: 0;
  height: 88px;
  padding: 0 clamp(18px, 4vw, 52px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.payment-page .payment-brand {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 14px;
  color: inherit;
  text-decoration: none;
}

.payment-page .payment-brand > span {
  min-width: 0;
}

.payment-page .payment-brand img {
  width: 58px;
  height: 58px;
}

.payment-page .payment-brand-name {
  display: block;
  color: var(--brand-dark);
  font-family: var(--serif);
  font-size: 23px;
  font-weight: 700;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.payment-page .payment-brand-sub {
  display: block;
  margin-top: 2px;
  color: var(--accent-dark);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.payment-page .payment-header-link {
  flex: 0 0 auto;
  padding: 8px 14px;
  color: var(--brand);
  border: 1px solid rgba(0, 88, 40, 0.48);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
}

.payment-page .payment-header-link:hover {
  background: var(--brand-soft);
}

.payment-page .payment-hero {
  padding: 38px 20px 36px;
  text-align: center;
  background:
    linear-gradient(100deg, rgba(0, 88, 40, 0.05), rgba(181, 130, 46, 0.09)),
    #eee7d8;
  border-bottom: 1px solid #ded5c2;
}

.payment-page .payment-eyebrow {
  margin-bottom: 7px;
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.payment-page .payment-hero h1 {
  margin: 0;
  color: var(--brand-dark);
  font-family: var(--serif);
  font-size: clamp(27px, 4vw, 36px);
  letter-spacing: 0.05em;
}

.payment-page .payment-hero p {
  max-width: 620px;
  margin: 9px auto 0;
  color: #695f4e;
  font-size: 14px;
  line-height: 1.75;
}

.payment-page .container {
  width: 100%;
  max-width: 680px;
  min-width: 0;
  margin: 34px auto 72px;
  padding: 0 18px;
}

.payment-page .card,
.payment-page form {
  min-width: 0;
  max-width: 100%;
}

.payment-page .card {
  padding: clamp(24px, 5vw, 38px);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-raised);
}

.payment-page .section-title {
  margin: 28px 0 18px;
  padding-top: 22px;
  color: var(--brand);
  border-top-color: var(--line);
  font-family: var(--serif);
  font-size: 16px;
  letter-spacing: 0.04em;
  text-transform: none;
}

.payment-page .section-title:first-child {
  margin-top: 0;
  padding-top: 0;
}

.payment-page label {
  display: block;
  margin-bottom: 5px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 600;
}

.payment-page .required::after {
  color: var(--danger);
}

.payment-page input[type="text"],
.payment-page input[type="number"],
.payment-page input[type="tel"],
.payment-page input[type="email"] {
  width: 100%;
  min-height: 44px;
  margin-bottom: 14px;
  padding: 10px 14px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color 0.18s, box-shadow 0.18s;
}

.payment-page input:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(0, 88, 40, 0.11);
}

.payment-page button[type="submit"] {
  width: 100%;
  min-height: 48px;
  margin-top: 16px;
  padding: 13px 18px;
  color: #fff;
  background: var(--brand);
  border: 0;
  border-radius: var(--radius-sm);
  box-shadow: 0 3px 10px rgba(0, 88, 40, 0.16);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.18s, transform 0.18s;
}

.payment-page button[type="submit"]:hover {
  background: var(--brand-dark);
}

.payment-page .note {
  margin-top: 18px;
  padding: 12px 14px;
  color: #695f4e;
  background: #faf6ed;
  border: 1px solid #e5d9c2;
  border-radius: var(--radius-sm);
  line-height: 1.6;
}

/* ── 管理員登入（選項 D） ─────────────────────── */

body.admin-login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px 16px;
  background:
    linear-gradient(135deg, rgba(0, 88, 40, 0.09), transparent 50%),
    #eee7d8;
}

.admin-login-page .login-wrap {
  width: min(100%, 380px);
  padding: 42px 38px 34px;
  border-color: var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-raised);
}

.admin-login-page .logo-img {
  width: 76px;
  height: 76px;
}

.admin-login-page .brand {
  color: var(--brand-dark);
  font-family: var(--serif);
  font-size: 21px;
  letter-spacing: 0.05em;
}

.admin-login-page .subtitle {
  color: var(--accent-dark);
}

.admin-login-page .field label {
  color: var(--ink);
}

.admin-login-page .field input {
  min-height: 43px;
  color: var(--ink);
  border-color: var(--line-strong);
  border-radius: var(--radius-sm);
}

.admin-login-page .field input:focus {
  border-color: var(--brand);
  outline-color: var(--brand-soft);
}

.admin-login-page .login-btn {
  min-height: 46px;
  background: var(--brand);
  border-radius: var(--radius-sm);
}

.admin-login-page .login-btn:hover {
  background: var(--brand-dark);
}

.admin-login-page .error-box {
  color: var(--danger);
  background: var(--danger-soft);
  border-color: #e7beb7;
  border-radius: var(--radius-sm);
}

/* ── 管理後台（選項 D） ───────────────────────── */

.sidebar {
  width: 184px;
  background: linear-gradient(180deg, var(--brand), var(--brand-dark));
  box-shadow: 2px 0 12px rgba(0, 64, 29, 0.12);
}

.sidebar-brand {
  min-height: 74px;
  padding: 16px 15px;
  border-bottom-color: rgba(255, 255, 255, 0.14);
}

.sidebar-brand img {
  width: 40px;
  height: 40px;
}

.sidebar-brand-text .brand-name {
  font-family: var(--serif);
  font-size: 13px;
  letter-spacing: 0.04em;
}

.sidebar-brand-text .brand-sub {
  color: rgba(255, 255, 255, 0.58);
}

.nav-section-label {
  color: rgba(255, 255, 255, 0.5);
}

.nav-item {
  color: rgba(255, 255, 255, 0.78);
}

.nav-item.active {
  color: #fff;
  background: rgba(181, 130, 46, 0.28);
  border-left-color: #e2ba66;
}

.main-area {
  margin-left: 184px;
  background: var(--paper);
}

.main-area .page-header {
  min-height: 58px;
  padding: 14px 28px;
  color: var(--brand-dark);
  background: rgba(255, 255, 255, 0.98);
  border-bottom-color: var(--line);
  font-family: var(--serif);
  box-shadow: 0 1px 5px rgba(32, 55, 38, 0.05);
}

.main-area .page-header .sub {
  color: var(--muted);
}

.main-area .card,
.main-area .toolbar,
.main-area .table-wrap {
  border-color: var(--line);
  background: var(--card);
}

.main-area .card {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.main-area .card-title {
  color: var(--brand);
  border-bottom-color: #dfd2b8;
  font-family: var(--serif);
  text-transform: none;
}

.main-area .toolbar {
  border-radius: var(--radius) var(--radius) 0 0;
}

.main-area .table-wrap {
  border-radius: 0 0 var(--radius) var(--radius);
  box-shadow: var(--shadow);
}

.main-area thead th {
  color: #fff;
  background: var(--brand);
  border-color: var(--brand-dark);
}

.main-area tbody td {
  color: var(--ink);
  border-bottom-color: #eeece5;
}

.main-area tbody tr:hover td {
  background: #f6faf7;
}

.main-area .tb-btn,
.main-area .tb-select,
.main-area .tb-search,
.main-area .tb-search-btn,
.main-area .form-field input,
.main-area .form-field select,
.main-area .form-field textarea,
.main-area .submit-btn {
  border-radius: var(--radius-sm);
}

.main-area .tb-btn.primary,
.main-area .tb-search-btn,
.main-area .submit-btn,
.main-area .stat-btn.paid,
.main-area .stat-count {
  background: var(--brand);
  border-color: var(--brand-dark);
}

.main-area .tb-btn.primary:hover,
.main-area .tb-search-btn:hover,
.main-area .submit-btn:hover:not(:disabled) {
  background: var(--brand-dark);
}

.main-area .stat-btn.init {
  background: var(--accent);
}

.main-area .stat-btn.fail {
  background: var(--danger);
}

.main-area .tb-btn.default {
  color: var(--ink);
  border-color: var(--line-strong);
}

.main-area .tb-btn.danger {
  color: var(--danger);
  border-color: var(--danger);
}

.main-area .form-field label,
.main-area .note,
.main-area .record-count {
  color: var(--muted);
}

.main-area .form-field input:focus,
.main-area .form-field select:focus,
.main-area .form-field textarea:focus,
.main-area .tb-search:focus,
.main-area .tb-select:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 2px rgba(0, 88, 40, 0.1);
}

.main-area .badge-paid,
.main-area .badge-on,
.main-area .alert-success,
.main-area .col-tag {
  color: var(--success);
  background: var(--success-soft);
  border-color: #c7dfcf;
}

.main-area .badge-failed {
  color: var(--danger);
  background: var(--danger-soft);
  border-color: #e7beb7;
}

.main-area .badge-init,
.main-area .col-tag.required {
  color: #715d31;
  background: var(--warning-soft);
  border-color: #dfd1b4;
}

.main-area .upload-area {
  background: #f8fbf8;
  border-color: #b8d0c0;
  border-radius: var(--radius);
}

.main-area .upload-area.drag {
  background: var(--brand-soft);
  border-color: var(--brand);
}

/* 手動開立發票仍是獨立表單頁，沿用後台品牌元件。 */
body.admin-form-page {
  min-height: 100vh;
  padding: 32px 16px 56px;
  color: var(--ink);
  background: var(--paper);
}

.admin-form-page .container {
  width: min(100%, 560px);
  max-width: 560px;
}

.admin-form-page .page-head h1 {
  color: var(--brand-dark);
  font-family: var(--serif);
}

.admin-form-page .page-head .sub,
.admin-form-page .back-link,
.admin-form-page .section-title {
  color: var(--brand);
}

.admin-form-page .card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-raised);
}

.admin-form-page input[type="text"],
.admin-form-page input[type="number"],
.admin-form-page input[type="tel"],
.admin-form-page input[type="email"],
.admin-form-page select {
  color: var(--ink);
  border-color: var(--line-strong);
  border-radius: var(--radius-sm);
}

.admin-form-page input:focus,
.admin-form-page select:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(0, 88, 40, 0.11);
}

.admin-form-page .notify-row {
  background: var(--brand-soft);
  border-color: #c8dccf;
  border-radius: var(--radius-sm);
}

.admin-form-page .notify-row label {
  color: var(--brand);
}

.admin-form-page .submit-btn {
  background: var(--brand);
  border-radius: var(--radius-sm);
}

.admin-form-page .submit-btn:hover {
  background: var(--brand-dark);
}

/* ── Responsive ───────────────────────────────── */

@media (max-width: 760px) {
  body {
    flex-direction: column;
  }

  .member-auth-page .card-body {
    padding: 26px 24px 22px;
  }

  .member-auth-page .field-row {
    display: block;
    margin-bottom: 0;
  }

  .member-auth-page .field-row .field {
    margin-bottom: 14px;
  }

  .subscription-page .site-header {
    height: 78px;
    padding: 0 16px;
  }

  .subscription-page .site-brand {
    gap: 11px;
  }

  .subscription-page .site-brand img {
    width: 52px;
    height: 52px;
  }

  .subscription-page .brand-text .brand-name {
    font-size: 21px;
  }

  .subscription-page .brand-text .brand-tagline,
  .subscription-page .header-member {
    display: none;
  }

  .subscription-page .site-nav {
    overflow-x: auto;
    padding: 0 8px;
  }

  .subscription-page .hero {
    padding: 32px 18px 30px;
  }

  .subscription-page .page-body {
    grid-template-columns: 1fr;
    gap: 18px;
    margin-top: 22px;
    padding: 0 14px 56px;
  }

  .subscription-page .card {
    padding: 22px 18px;
  }

  .member-service-page .site-header {
    height: 66px;
    padding: 0 16px;
  }

  .member-service-page .header-brand img {
    width: 38px;
    height: 38px;
  }

  .member-service-page .header-brand-name {
    font-size: 15px;
  }

  .member-service-page .header-user {
    display: none;
  }

  .member-service-page .tabs {
    padding: 0 14px;
  }

  .member-service-page .main {
    padding: 28px 14px 56px;
  }

  .member-service-page .code-row {
    flex-direction: column;
  }

  .member-service-page .redeem-btn {
    width: 100%;
    min-height: 46px;
  }

  .payment-page .payment-header {
    height: 76px;
    padding: 0 16px;
  }

  .payment-page .payment-brand img {
    width: 50px;
    height: 50px;
  }

  .payment-page .payment-brand-name {
    font-size: 19px;
  }

  .payment-page .payment-brand-sub {
    display: none;
  }

  .payment-page .payment-header-link {
    padding: 7px 10px;
    font-size: 12px;
  }

  .payment-page .payment-hero {
    padding: 30px 18px 28px;
  }

  .payment-page .container {
    margin-top: 22px;
    padding: 0 14px;
  }

  .payment-page .card {
    padding: 24px 20px;
  }

  .sidebar {
    position: relative;
    inset: auto;
    width: 100%;
    min-height: 0;
    flex-direction: row;
    align-items: stretch;
    overflow-x: auto;
    overflow-y: hidden;
    box-shadow: 0 2px 10px rgba(0, 64, 29, 0.14);
  }

  .sidebar-brand {
    min-width: 156px;
    min-height: 62px;
    padding: 10px 12px;
    border-right: 1px solid rgba(255, 255, 255, 0.14);
    border-bottom: 0;
  }

  .sidebar-brand img {
    width: 34px;
    height: 34px;
  }

  .sidebar .nav-section,
  .sidebar .sidebar-footer {
    display: flex;
    flex: 0 0 auto;
    margin: 0;
    padding: 0;
    border: 0;
  }

  .sidebar .nav-section-label {
    display: none;
  }

  .sidebar .nav-item {
    display: inline-flex;
    min-height: 62px;
    align-items: center;
    padding: 10px 13px;
    border-left: 0;
    border-bottom: 3px solid transparent;
    white-space: nowrap;
  }

  .sidebar .nav-item.active {
    border-bottom-color: #e2ba66;
  }

  .main-area {
    width: 100%;
    min-width: 0;
    margin-left: 0;
  }

  .main-area .page-header {
    min-height: 54px;
    padding: 12px 14px;
    gap: 8px;
    flex-wrap: wrap;
  }

  .main-area .page-body {
    min-width: 0;
    padding: 16px 12px 48px;
  }

  .main-area .toolbar,
  .main-area .table-wrap,
  .main-area .card {
    width: 100%;
    max-width: 100%;
  }

  .main-area .tb-search {
    min-width: 0;
  }

  .main-area .form-grid,
  .main-area .form-grid.cols3 {
    grid-template-columns: 1fr;
  }

  .main-area .stat-count {
    margin-left: 0;
  }

  .admin-login-page .login-wrap {
    padding: 36px 26px 30px;
  }

  .admin-form-page .card {
    padding: 24px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}