:root {
  --bg: #0f1419;
  --bg-elevated: #1a2332;
  --bg-soft: #243044;
  --border: #2d3a4f;
  --text: #e8eef7;
  --muted: #8b9bb4;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --radius: 10px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
  --font: "Segoe UI", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --mono: ui-monospace, "Cascadia Code", "Consolas", monospace;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  font-family: var(--font);
  background: radial-gradient(1200px 600px at 10% -10%, #1e3a5f 0%, transparent 55%),
    radial-gradient(900px 500px at 100% 0%, #1a2f4a 0%, transparent 50%), var(--bg);
  color: var(--text);
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  width: min(960px, calc(100% - 32px));
  margin: 0 auto;
}

.container-wide {
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  padding: 28px 0 8px;
}

.site-header h1 {
  margin: 0 0 6px;
  font-size: 1.6rem;
  letter-spacing: 0.02em;
}

.site-header p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.card {
  background: rgba(26, 35, 50, 0.92);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  margin: 16px 0;
}

.label {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.9rem;
}

textarea,
input[type="text"],
input[type="password"],
input[type="file"],
select {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 12px 14px;
  font: inherit;
  outline: none;
}

textarea {
  min-height: 160px;
  resize: vertical;
  font-family: var(--mono);
  font-size: 0.92rem;
  line-height: 1.5;
}

textarea:focus,
input:focus,
select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.btn {
  appearance: none;
  border: none;
  border-radius: 8px;
  padding: 10px 16px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  background: var(--bg-soft);
  color: var(--text);
  transition: background 0.15s ease, transform 0.05s ease;
}

.btn:hover {
  background: #2f3f59;
}

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

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-hover);
}

.btn-success {
  background: #15803d;
  color: #fff;
}

.btn-success:hover {
  background: #166534;
}

.btn-danger {
  background: #991b1b;
  color: #fff;
}

.btn-sm {
  padding: 6px 10px;
  font-size: 0.85rem;
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.hint {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.85rem;
}

.summary {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 0.92rem;
}

.summary strong {
  color: var(--text);
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

th,
td {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

th {
  color: var(--muted);
  font-weight: 600;
  white-space: nowrap;
}

.mono {
  font-family: var(--mono);
  font-size: 0.86rem;
  word-break: break-all;
}

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  white-space: nowrap;
}

.badge-ok {
  background: rgba(34, 197, 94, 0.15);
  color: #4ade80;
}

.badge-warn {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
}

.badge-err {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
}

.badge-info {
  background: rgba(59, 130, 246, 0.15);
  color: #93c5fd;
}

.empty {
  color: var(--muted);
  padding: 20px 0;
  text-align: center;
}

.footer-note {
  text-align: center;
  color: var(--muted);
  font-size: 0.8rem;
  padding: 20px 0 32px;
}

/* Admin */
.admin-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0 4px;
}

.admin-nav .brand {
  font-weight: 700;
  color: var(--text);
}

.admin-nav .links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  align-items: center;
}

.admin-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.92rem;
}

.admin-nav a:hover,
.admin-nav a.active {
  color: var(--text);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
}

.stat-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
}

.stat-card .num {
  font-size: 1.6rem;
  font-weight: 700;
  margin-top: 4px;
}

.stat-card .label {
  margin: 0;
}

.flash-list {
  margin: 12px 0 0;
}

.flash {
  padding: 10px 12px;
  border-radius: 8px;
  margin-bottom: 8px;
  font-size: 0.92rem;
}

.flash-success {
  background: rgba(34, 197, 94, 0.12);
  border: 1px solid rgba(34, 197, 94, 0.35);
  color: #86efac;
}

.flash-error {
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.35);
  color: #fca5a5;
}

.flash-info {
  background: rgba(59, 130, 246, 0.12);
  border: 1px solid rgba(59, 130, 246, 0.35);
  color: #93c5fd;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: end;
  margin-bottom: 14px;
}

.toolbar .field {
  flex: 1 1 160px;
}

.toolbar .field.narrow {
  flex: 0 1 140px;
}

.pager {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  justify-content: space-between;
  margin-top: 14px;
  color: var(--muted);
  font-size: 0.9rem;
}

.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-card {
  width: min(400px, 100%);
}

.login-card h1 {
  margin: 0 0 6px;
  font-size: 1.35rem;
}

.login-card .sub {
  margin: 0 0 18px;
  color: var(--muted);
}

.form-group {
  margin-bottom: 12px;
}

.masked {
  filter: blur(4px);
  user-select: none;
  cursor: pointer;
}

.masked.revealed {
  filter: none;
  user-select: text;
}

.error-text {
  color: #fca5a5;
  margin: 0 0 12px;
  font-size: 0.9rem;
}

.actions-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

@media (max-width: 640px) {
  .site-header h1 {
    font-size: 1.35rem;
  }

  th,
  td {
    padding: 8px 6px;
  }
}

/* Public shop embed */
.site-header-with-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  align-items: flex-end;
  justify-content: space-between;
}

.public-nav {
  display: flex;
  gap: 8px;
  margin-bottom: 4px;
}

.public-nav .nav-link {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  background: rgba(26, 35, 50, 0.65);
}

.public-nav .nav-link:hover {
  color: var(--text);
  text-decoration: none;
  border-color: #3d4f6b;
}

.public-nav .nav-link.active,
.public-nav .nav-shop.active {
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
}

.shop-promo {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.18), rgba(26, 35, 50, 0.92) 55%);
}

.shop-promo-body,
.shop-toolbar-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 18px;
  align-items: center;
  justify-content: space-between;
}

.shop-promo-kicker {
  color: #93c5fd;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.shop-promo-title {
  margin: 4px 0 0;
  font-size: 1.2rem;
}

.shop-promo-sub {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.shop-promo-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.container-shop {
  width: min(1100px, calc(100% - 32px));
}

.shop-embed-card {
  padding: 12px;
}

.shop-embed-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
  padding: 0 4px;
}

.muted-inline {
  color: var(--muted);
  font-size: 0.85rem;
}

.shop-iframe-wrap {
  position: relative;
  width: 100%;
  height: var(--shop-h, 920px);
  max-height: min(var(--shop-h, 920px), 85vh);
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: #0b1220;
}

.shop-iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
  background: #0b1220;
}

.link-box {
  margin-top: 8px;
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  word-break: break-all;
}

@media (max-width: 640px) {
  .shop-iframe-wrap {
    height: min(var(--shop-h, 920px), 70vh);
  }
}


/* Shop-first layout: store is main, redeem is side tool */
.shop-first-layout {
  min-height: 100vh;
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 10px 12px 12px;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.shop-first-topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 14px;
  padding: 8px 4px;
}

.shop-first-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.shop-first-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.18);
  flex: 0 0 auto;
}

.shop-first-brand strong {
  display: block;
  font-size: 1.05rem;
  color: var(--text);
}

.shop-first-sub {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
  margin-top: 2px;
}

.shop-first-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.btn-sm {
  padding: 7px 12px;
  font-size: 0.86rem;
}

.shop-first-body {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 12px;
  align-items: stretch;
}

.shop-first-body.redeem-collapsed {
  grid-template-columns: minmax(0, 1fr) 0px;
  gap: 0;
}

.shop-first-body.redeem-collapsed .shop-first-side {
  width: 0;
  min-width: 0;
  opacity: 0;
  overflow: hidden;
  pointer-events: none;
  padding: 0;
  border: 0;
  margin: 0;
}

.shop-first-main {
  margin: 0;
  padding: 0;
  min-width: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: calc(100vh - 78px);
}

.shop-first-iframe {
  flex: 1;
  height: auto !important;
  min-height: calc(100vh - 78px);
  max-height: none !important;
  border: 0;
  border-radius: 10px;
  background: #0b1220;
}

.shop-first-side {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-height: calc(100vh - 78px);
  overflow: auto;
  transition: opacity 0.18s ease;
}

.redeem-side-card {
  margin: 0;
  padding: 14px;
}

.redeem-side-card .home-section-title {
  margin: 2px 0 10px;
  font-size: 1.05rem;
}

.redeem-side-card textarea {
  min-height: 120px;
  font-size: 0.9rem;
}

.redeem-side-btns {
  margin-top: 10px;
}

.redeem-side-btns .btn {
  flex: 1;
}

.redeem-side-hint {
  margin-top: 10px;
  font-size: 0.8rem;
  line-height: 1.5;
}

.side-results-table {
  max-height: 42vh;
  overflow: auto;
}

.side-results-table table {
  font-size: 0.82rem;
}

.side-results-table th,
.side-results-table td {
  padding: 8px 6px;
  word-break: break-all;
}

@media (max-width: 960px) {
  .shop-first-layout {
    padding: 8px;
  }
  .shop-first-body {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(58vh, 1fr) auto;
  }
  .shop-first-body.redeem-collapsed {
    grid-template-columns: 1fr;
  }
  .shop-first-body.redeem-collapsed .shop-first-side {
    display: none;
  }
  .shop-first-main,
  .shop-first-iframe {
    min-height: 58vh;
  }
  .shop-first-side {
    max-height: none;
    order: 2;
  }
}

/* SSO -> OAuth convert panel + beginner guide */
.convert-side-card {
  margin: 0;
  padding: 14px;
}

.convert-lead {
  margin: 0 0 10px;
  line-height: 1.55;
  font-size: 0.84rem;
}

.convert-lead code,
.guide-page code {
  font-family: var(--mono);
  font-size: 0.84em;
  background: rgba(59, 130, 246, 0.12);
  border: 1px solid rgba(59, 130, 246, 0.25);
  border-radius: 4px;
  padding: 1px 5px;
}

.convert-result {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
}

.convert-result textarea {
  min-height: 100px;
  font-size: 0.84rem;
}

.notice-box {
  margin: 10px 0 12px;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid rgba(59, 130, 246, 0.35);
  background: rgba(59, 130, 246, 0.1);
  color: var(--text);
  font-size: 0.86rem;
  line-height: 1.55;
}

.notice-box.danger {
  border-color: rgba(239, 68, 68, 0.4);
  background: rgba(239, 68, 68, 0.1);
}

.guide-mini {
  margin-top: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  background: rgba(15, 20, 25, 0.35);
}

.guide-mini summary {
  cursor: pointer;
  color: var(--text);
  font-weight: 600;
  font-size: 0.9rem;
}

.guide-mini ol {
  margin: 8px 0 4px 18px;
  padding: 0;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.55;
}

.guide-page h2 {
  margin: 0 0 12px;
  font-size: 1.15rem;
}

.guide-page .muted {
  color: var(--muted);
  font-size: 0.85rem;
}

.guide-steps {
  margin: 0 0 8px 18px;
  padding: 0;
  line-height: 1.7;
  color: var(--text);
}

.guide-steps li {
  margin-bottom: 6px;
}

.actions-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.home-section-title {
  margin: 0 0 8px;
  font-size: 1.1rem;
}

.shop-promo-kicker {
  color: var(--muted);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 2px;
}

.error-text {
  color: #f87171;
  font-size: 0.88rem;
  margin: 8px 0 0;
}


/* delivery dual format */
.delivery-block { display: grid; gap: 6px; }
.delivery-main { word-break: break-all; }
.delivery-sub { font-size: 12px; color: #4b5563; word-break: break-all; }
.delivery-hint { font-size: 12px; color: #6b7280; }
.tag {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 999px;
  background: #e5e7eb;
  color: #111827;
  font-size: 11px;
  margin-right: 4px;
}
.tag-cli { background: #dbeafe; color: #1d4ed8; }
.actions-inline { display: flex; flex-wrap: wrap; gap: 6px; }