/* ===== Design tokens ===== */
:root {
  --color-bg: #f5f7fa;
  --color-surface: #ffffff;
  --color-border: #e2e6ec;
  --color-text: #1a2233;
  --color-text-muted: #5b6472;
  --color-primary: #0f3d63;
  --color-primary-dark: #0a2a45;
  --color-accent: #c9a227;
  --color-success: #1f8a4c;
  --color-error: #c1392b;
  --radius: 8px;
  --shadow-sm: 0 1px 3px rgba(16, 24, 40, 0.08);
  --shadow-md: 0 4px 16px rgba(16, 24, 40, 0.1);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Header ===== */
.site-header {
  background: var(--color-primary-dark);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand {
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.5px;
}
.brand span {
  color: var(--color-accent);
  font-weight: 400;
  font-size: 13px;
  margin-left: 6px;
}
.main-nav { display: flex; align-items: center; gap: 20px; }
.main-nav a { color: #cfd8e3; font-size: 14px; }
.main-nav a:hover, .main-nav a.active { color: #fff; text-decoration: none; }
.main-nav a.nav-cta {
  background: var(--color-accent);
  color: #1a2233;
  padding: 8px 16px;
  border-radius: var(--radius);
  font-weight: 600;
}
.main-nav a.nav-cta:hover { opacity: 0.9; }

.link-btn {
  background: none;
  border: none;
  color: #cfd8e3;
  font-size: 14px;
  cursor: pointer;
  padding: 0;
  font-family: inherit;
}
.link-btn:hover { color: #fff; text-decoration: underline; }
.inline-form { display: inline; margin: 0; }

/* ===== Layout ===== */
.main-content { padding: 32px 24px 64px; min-height: calc(100vh - 200px); }
.site-footer {
  background: var(--color-primary-dark);
  color: #97a3b5;
  padding: 24px 0;
  font-size: 13px;
  text-align: center;
}

/* ===== Hero ===== */
.hero {
  text-align: center;
  padding: 56px 32px 40px;
  margin: 0 0 8px;
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 15% 20%, rgba(201, 162, 39, 0.16), transparent 45%),
    radial-gradient(circle at 85% 0%, rgba(15, 61, 99, 0.12), transparent 50%),
    linear-gradient(180deg, #ffffff 0%, #f5f7fa 100%);
  border: 1px solid var(--color-border);
}
.hero h1 { font-size: 34px; margin-bottom: 10px; color: var(--color-primary-dark); letter-spacing: -0.3px; }
.hero-sub { color: var(--color-text-muted); font-size: 16px; margin-bottom: 32px; max-width: 640px; margin-left: auto; margin-right: auto; }
.page-header { text-align: center; padding: 32px 0 16px; }
.page-header h1 { font-size: 28px; color: var(--color-primary-dark); margin-bottom: 8px; }

.trust-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}
.trust-stat { text-align: center; }
.trust-number { font-size: 36px; font-weight: 700; color: var(--color-primary); }
.trust-label { font-size: 13px; color: var(--color-text-muted); margin-top: 4px; }

/* ===== Sections ===== */
.section { margin-top: 48px; }
.section-title {
  font-size: 20px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-border);
  color: var(--color-primary-dark);
}
.section-title.no-border { border-bottom: none; padding-bottom: 0; margin-bottom: 0; }
.section-link { font-size: 13px; font-weight: 600; color: var(--color-primary); }

/* ===== Filter bar ===== */
.filter-bar {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.filter-bar input[type="text"],
.filter-bar select {
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 14px;
  font-family: inherit;
}
.filter-bar input[type="text"] { flex: 1; min-width: 200px; }

/* ===== Cards ===== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.15s, transform 0.15s;
  color: var(--color-text);
  display: flex;
  flex-direction: column;
  position: relative;
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); text-decoration: none; }
.card h3 { margin: 8px 0; font-size: 16px; color: var(--color-primary-dark); }
.card-summary { color: var(--color-text-muted); font-size: 13px; flex: 1; }
.card-format-icon {
  display: inline-block;
  background: var(--color-primary);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
  width: fit-content;
}
.card-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
  z-index: 1;
}
.free-badge { background: #e6f4ea; color: var(--color-success); }
.new-badge { background: var(--color-error); color: #fff; letter-spacing: 0.5px; }
.new-badge-inline { background: var(--color-error); color: #fff; font-weight: 700; }
.card-tags { display: flex; flex-wrap: wrap; gap: 6px; margin: 8px 0; }
.tag-chip {
  background: #eef2f7;
  color: var(--color-primary);
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 12px;
}
.card-footer { margin-top: 12px; display: flex; justify-content: space-between; align-items: center; }
.price { font-weight: 700; color: var(--color-accent); font-size: 16px; }
.empty-state { color: var(--color-text-muted); padding: 32px 0; text-align: center; grid-column: 1 / -1; }

/* Cover images on marketplace/product cards */
.card-cover {
  width: calc(100% + 40px);
  margin: -20px -20px 12px;
  aspect-ratio: 16 / 9;
  background-color: #eef2f7;
  background-size: cover;
  background-position: center;
  border-radius: var(--radius) var(--radius) 0 0;
}
.card-cover-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 1px;
  background: linear-gradient(135deg, #eef2f7, #dfe7f0);
}

/* Recently-added horizontal rail */
.rail { display: flex; gap: 16px; overflow-x: auto; padding-bottom: 8px; scroll-snap-type: x proximity; }
.rail-card { flex: 0 0 220px; scroll-snap-align: start; padding: 0 0 16px; }
.rail-card .card-cover { width: 100%; margin: 0 0 12px; border-radius: var(--radius) var(--radius) 0 0; }
.rail-card-body { padding: 0 16px; }
.rail-card-body h3 { font-size: 14px; margin: 0 0 8px; line-height: 1.4; }

/* News cards */
.news-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; }
.news-grid-compact { grid-template-columns: repeat(3, 1fr); }
.news-card { padding: 0 0 18px; overflow: hidden; }
.news-card-cover {
  width: 100%;
  aspect-ratio: 16 / 9;
  background-color: #eef2f7;
  background-size: cover;
  background-position: center;
  margin-bottom: 14px;
}
.news-card-cover-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  background: linear-gradient(135deg, #eef2f7, #dfe7f0);
}
.news-card-body { padding: 0 18px; }
.news-card-body h3 { font-size: 15px; margin: 4px 0 6px; line-height: 1.4; }
.news-date { color: var(--color-text-muted); font-size: 12px; }
.read-more-link { display: inline-block; margin-top: 10px; font-size: 13px; font-weight: 600; color: var(--color-primary); }

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  text-align: center;
}
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); text-decoration: none; }
.btn-secondary { background: #eef2f7; color: var(--color-primary); }
.btn-block { display: block; width: 100%; }
.btn-disabled { background: #dfe3e8; color: #9aa3ae; cursor: not-allowed; }

/* ===== Forms ===== */
.auth-panel {
  max-width: 420px;
  margin: 40px auto;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow-sm);
}
.auth-panel h1 { text-align: center; margin-bottom: 24px; font-size: 22px; }
.auth-form label, .admin-form label { display: block; font-size: 13px; font-weight: 600; margin: 14px 0 6px; color: var(--color-text-muted); }
.auth-form input, .admin-form input[type="text"], .admin-form input[type="number"],
.admin-form input[type="email"], .admin-form select, .admin-form textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 14px;
  font-family: inherit;
}
.auth-switch { text-align: center; margin-top: 16px; font-size: 13px; color: var(--color-text-muted); }
.alert { padding: 12px 16px; border-radius: var(--radius); margin-bottom: 16px; font-size: 14px; }
.alert-error { background: #fdecea; color: var(--color-error); }
.alert-success { background: #e6f4ea; color: var(--color-success); }

/* ===== Product detail ===== */
.product-detail { display: grid; grid-template-columns: 1fr 300px; gap: 32px; align-items: start; }
.detail-block { margin-top: 28px; }
.detail-block h2 { font-size: 17px; color: var(--color-primary-dark); margin-bottom: 10px; }
.rich-text { color: var(--color-text); font-size: 14px; }
.meta-table, .preview-table, .tx-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.meta-table th, .meta-table td { text-align: left; padding: 8px 12px; border-bottom: 1px solid var(--color-border); }
.meta-table th { width: 160px; color: var(--color-text-muted); font-weight: 600; }
.table-scroll { overflow-x: auto; border: 1px solid var(--color-border); border-radius: var(--radius); }
.preview-table th, .preview-table td, .tx-table th, .tx-table td {
  padding: 10px 14px; border-bottom: 1px solid var(--color-border); white-space: nowrap;
}
.preview-table th, .tx-table th { background: #f5f7fa; text-align: left; color: var(--color-text-muted); }

.product-hero-cover {
  width: 100%;
  max-height: 340px;
  object-fit: cover;
  border-radius: var(--radius);
  margin-bottom: 20px;
  border: 1px solid var(--color-border);
}

/* ===== News detail ===== */
.news-detail { display: grid; grid-template-columns: 1fr 260px; gap: 32px; align-items: start; margin-top: 8px; }
.back-link { display: inline-block; margin-bottom: 16px; font-size: 13px; color: var(--color-text-muted); }
.news-main h1 { font-size: 26px; color: var(--color-primary-dark); margin: 4px 0 8px; }
.news-detail-cover { width: 100%; max-height: 360px; object-fit: cover; border-radius: var(--radius); margin: 16px 0; border: 1px solid var(--color-border); }
.news-body { margin-top: 16px; font-size: 15px; line-height: 1.8; }
.news-sidebar { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 20px; position: sticky; top: 24px; }
.related-news-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.related-news-list li { display: flex; flex-direction: column; gap: 2px; padding-bottom: 12px; border-bottom: 1px solid var(--color-border); }
.related-news-list li:last-child { border-bottom: none; padding-bottom: 0; }
.related-news-list a { font-size: 13px; font-weight: 600; color: var(--color-text); }
.related-news-list a:hover { color: var(--color-primary); }

.purchase-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  position: sticky;
  top: 24px;
  box-shadow: var(--shadow-sm);
}
.price-display { font-size: 28px; font-weight: 700; color: var(--color-accent); margin-bottom: 12px; }
.balance-line { font-size: 13px; color: var(--color-text-muted); margin-bottom: 12px; }
.purchase-note { font-size: 12px; color: var(--color-text-muted); margin-top: 12px; }

/* ===== Assets ===== */
.asset-list { display: flex; flex-direction: column; gap: 16px; margin-top: 20px; }
.asset-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.asset-meta { font-size: 13px; color: var(--color-text-muted); margin: 2px 0; }
.asset-status { font-size: 13px; font-weight: 600; margin-top: 6px; }
.status-active { color: var(--color-success); }
.status-expired { color: var(--color-error); }
.status-ready { color: var(--color-text-muted); }

/* ===== Wallet ===== */
.wallet-balances { display: flex; gap: 20px; margin: 24px 0 32px; flex-wrap: wrap; }
.balance-card {
  flex: 1;
  min-width: 200px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
}
.balance-card.bonus { border-color: var(--color-accent); }
.balance-card.total { background: var(--color-primary-dark); color: #fff; }
.balance-label { font-size: 13px; color: var(--color-text-muted); }
.balance-card.total .balance-label { color: #cfd8e3; }
.balance-value { font-size: 24px; font-weight: 700; margin-top: 6px; }
.amount-positive { color: var(--color-success); }
.amount-negative { color: var(--color-error); }

/* ===== Admin ===== */
.admin-layout { display: grid; grid-template-columns: 200px 1fr; gap: 32px; }
.admin-sidebar { display: flex; flex-direction: column; gap: 4px; }
.admin-sidebar a {
  padding: 10px 14px;
  border-radius: var(--radius);
  color: var(--color-text);
  font-size: 14px;
}
.admin-sidebar a:hover { background: #eef2f7; text-decoration: none; }
.admin-sidebar a.active { background: var(--color-primary); color: #fff; }
.admin-content-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin: 20px 0 36px; }
.stat-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
}
.stat-value { font-size: 26px; font-weight: 700; color: var(--color-primary); }
.stat-label { font-size: 13px; color: var(--color-text-muted); margin-top: 4px; }
.table-actions a, .table-actions .link-btn { margin-right: 12px; font-size: 13px; }
.link-btn-danger { color: var(--color-error) !important; }
.status-pill { font-size: 11px; font-weight: 700; padding: 3px 10px; border-radius: 12px; }
.status-published { background: #e6f4ea; color: var(--color-success); }
.status-unpublished { background: #f1f2f4; color: var(--color-text-muted); }

.thumb { width: 40px; height: 40px; border-radius: 6px; object-fit: cover; display: block; }
.thumb-placeholder {
  display: flex; align-items: center; justify-content: center;
  background: #eef2f7; color: var(--color-primary); font-weight: 700; font-size: 14px;
}
.field-hint { display: inline-block; font-size: 12px; font-weight: 400; color: var(--color-text-muted); margin-left: 6px; }
.cover-preview { max-width: 220px; max-height: 140px; object-fit: cover; border-radius: var(--radius); margin-top: 10px; border: 1px solid var(--color-border); display: block; }
.inline-add-form { max-width: none; margin-bottom: 28px; padding-bottom: 20px; border-bottom: 1px solid var(--color-border); }
.inline-add-form .form-row { grid-template-columns: 1fr 1fr auto; align-items: end; }
.form-row-btn .btn { width: 100%; }

.admin-form { max-width: 640px; }
.admin-form textarea { resize: vertical; }
.form-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.checkbox-label { display: flex; align-items: center; gap: 8px; font-weight: 400; }
.checkbox-label.inline { display: inline-flex; margin-right: 16px; font-size: 13px; }
.tag-picker { border: 1px solid var(--color-border); border-radius: var(--radius); padding: 12px; }
.tag-group { margin-bottom: 10px; }
.tag-group strong { display: block; font-size: 12px; color: var(--color-text-muted); margin-bottom: 6px; }
.admin-form button.btn { margin-top: 20px; }

.dropzone {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  color: var(--color-text-muted);
  position: relative;
  cursor: pointer;
}
.dropzone.dragover { border-color: var(--color-primary); background: #f0f5fa; }
.dropzone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}
.dropzone-filename { font-size: 13px; color: var(--color-primary); font-weight: 600; margin-top: 8px; }

.adjust-form { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 20px; margin-bottom: 36px; }

.panel.error-panel {
  max-width: 480px;
  margin: 64px auto;
  text-align: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 40px;
}

/* ===== Alert & Settings Form ===== */
.alert {
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 20px;
  font-size: 14px;
}
.alert.success { background: #d4edda; color: #155724; border: 1px solid #c3e6cb; }
.alert.error   { background: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }

.settings-form { max-width: 720px; }
.settings-form fieldset {
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  padding: 20px 24px;
  margin-bottom: 24px;
}
.settings-form legend {
  font-weight: 600;
  font-size: 16px;
  padding: 0 8px;
  color: #1e293b;
}
.settings-form .form-group { margin-bottom: 16px; }
.settings-form label { display: block; font-weight: 500; font-size: 14px; margin-bottom: 4px; color: #475569; }
.settings-form input[type="text"],
.settings-form input[type="email"],
.settings-form textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  font-size: 14px;
  transition: border-color 0.2s;
  box-sizing: border-box;
}
.settings-form input:focus,
.settings-form textarea:focus {
  outline: none;
  border-color: #2563eb;
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}
.settings-form textarea { font-family: inherit; resize: vertical; }
.settings-form .form-row { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
.settings-form .form-actions { margin-top: 8px; }
.settings-form .btn {
  background: #2563eb;
  color: #fff;
  border: none;
  padding: 12px 32px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}
.settings-form .btn:hover { background: #1d4ed8; }

/* ===== Footer contact ===== */
.footer-contact { font-size: 13px; color: #94a3b8; margin-top: 4px; }

/* ===== Language Switcher ===== */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(255, 255, 255, 0.1);
  padding: 3px;
  border-radius: 20px;
  margin-left: 12px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}
.lang-btn {
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 600;
  color: #cfd8e3 !important;
  border-radius: 16px;
  transition: all 0.2s ease;
  text-decoration: none !important;
}
.lang-btn:hover {
  color: #ffffff !important;
  background: rgba(255, 255, 255, 0.15);
}
.lang-btn.active {
  background: var(--color-accent);
  color: #1a2233 !important;
  font-weight: 700;
}

/* ===== Responsive ===== */
@media (max-width: 860px) {
  .product-detail { grid-template-columns: 1fr; }
  .news-detail { grid-template-columns: 1fr; }
  .admin-layout { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .inline-add-form .form-row { grid-template-columns: 1fr; }
  .news-grid-compact { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
  .header-inner { flex-direction: column; height: auto; padding: 12px 0; gap: 10px; }
}