:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --hero: linear-gradient(135deg, #7c6cf0 0%, #9b7bf7 45%, #b794f6 100%);
  --text: #1e1b4b;
  --muted: #64748b;
  --border: #e8eaf3;
  --bg: #f4f6fb;
  --card: #fff;
  --orange: #f97316;
  --green: #10b981;
}

* { box-sizing: border-box; }
body.store-body { margin: 0; font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif; background: var(--bg); color: var(--text); }
.hidden { display: none !important; }
a { color: inherit; text-decoration: none; }

.store-header { background: #fff; border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 50; }
.store-header-inner { max-width: 1400px; margin: 0 auto; padding: 12px 20px; display: flex; align-items: center; justify-content: space-between; }
.brand-link { display: flex; align-items: center; gap: 10px; font-size: 18px; }
.brand-logo-img { width: 36px; height: 36px; border-radius: 10px; object-fit: cover; }
.brand-logo-text { width: 36px; height: 36px; border-radius: 10px; background: linear-gradient(135deg, #6366f1, #a78bfa); color: #fff; display: grid; place-items: center; font-size: 16px; font-weight: 700; }
.store-nav { display: flex; gap: 24px; }
.store-nav a { color: var(--muted); font-size: 14px; }
.store-nav a.active, .store-nav a:hover { color: var(--primary); font-weight: 600; }

.store-shell { max-width: 1400px; margin: 0 auto; padding: 20px; display: grid; grid-template-columns: 180px 1fr; gap: 20px; }
.store-sidebar { background: var(--card); border-radius: 12px; padding: 12px; border: 1px solid var(--border); height: fit-content; position: sticky; top: 70px; }
.side-item { display: block; padding: 10px 12px; border-radius: 8px; color: var(--muted); margin-bottom: 4px; font-size: 14px; }
.side-item.active, .side-item:hover { background: #eef2ff; color: var(--primary-dark); }

.store-main { min-width: 0; }
.store-toolbar { margin-bottom: 16px; }
.category-bar { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.cat-chip { border: 1px solid var(--border); background: #fff; padding: 6px 14px; border-radius: 999px; font-size: 13px; cursor: pointer; }
.cat-chip.active { background: #eef2ff; border-color: #c7d2fe; color: var(--primary-dark); }
.search-box { display: flex; gap: 8px; }
.search-box input { flex: 1; border: 1px solid var(--border); border-radius: 10px; padding: 10px 14px; }
.search-box button { background: var(--primary); color: #fff; border: none; border-radius: 10px; padding: 0 18px; cursor: pointer; }

.workflow-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.wf-card { background: var(--card); border: 1px solid var(--border); border-radius: 14px; overflow: hidden; transition: box-shadow .2s; cursor: pointer; }
.wf-card:hover { box-shadow: 0 8px 24px rgba(99,102,241,.12); }
.wf-cover { position: relative; aspect-ratio: 16/10; background: #ddd; }
.wf-cover img { width: 100%; height: 100%; object-fit: cover; }
.wf-badges { position: absolute; top: 8px; left: 8px; right: 8px; display: flex; justify-content: space-between; }
.badge-orange { background: var(--orange); color: #fff; font-size: 11px; padding: 2px 8px; border-radius: 4px; }
.badge-points { background: rgba(0,0,0,.55); color: #fff; font-size: 11px; padding: 2px 8px; border-radius: 4px; }
.wf-body { padding: 12px; }
.wf-benchmarks { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 8px; }
.bm-tag { background: #eef2ff; color: #4338ca; font-size: 11px; padding: 3px 8px; border-radius: 999px; max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.wf-title { font-size: 15px; font-weight: 700; margin: 0 0 6px; line-height: 1.4; }
.wf-desc { font-size: 12px; color: var(--muted); line-height: 1.5; height: 36px; overflow: hidden; margin: 0 0 10px; }
.wf-footer { display: flex; align-items: center; justify-content: space-between; font-size: 12px; color: var(--muted); }
.wf-author { display: flex; align-items: center; gap: 6px; }
.wf-author i { width: 22px; height: 22px; border-radius: 50%; background: #ddd; display: inline-block; }
.share-btn { border: none; background: transparent; cursor: pointer; color: var(--muted); padding: 4px; }
.share-btn:hover { color: var(--primary); }

.detail-page { max-width: 1200px; margin: 0 auto; padding: 20px; }
.back-link { display: inline-block; margin-bottom: 12px; color: var(--muted); }
.detail-hero { background: var(--hero); border-radius: 20px; padding: 28px; color: #fff; display: grid; grid-template-columns: 1fr 420px; gap: 24px; }
.hero-left h1 { margin: 0 0 12px; font-size: 28px; }
.hero-benchmarks { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.hero-bm { background: rgba(255,255,255,.18); padding: 6px 12px; border-radius: 999px; font-size: 12px; }
.hero-meta { display: flex; gap: 16px; font-size: 13px; opacity: .9; margin-bottom: 12px; }
.hero-desc { line-height: 1.7; opacity: .95; margin-bottom: 20px; font-size: 14px; }
.hero-actions { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.btn-experience { background: rgba(255,255,255,.95); color: var(--primary-dark); border: none; padding: 12px 28px; border-radius: 999px; font-size: 15px; font-weight: 700; cursor: pointer; }
.btn-experience:hover { background: #fff; }
.hero-video { background: #111; border-radius: 12px; overflow: hidden; aspect-ratio: 16/10; }
.hero-video video { width: 100%; height: 100%; object-fit: contain; }
.hero-video-placeholder { display: grid; place-items: center; height: 100%; color: #888; font-size: 13px; }

.detail-items-section { margin-top: 24px; background: #fff; border: 1px solid var(--border); border-radius: 16px; padding: 20px; }
.section-head { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 16px; }
.section-head h2 { margin: 0 0 4px; }
.section-head p { margin: 0; color: var(--muted); font-size: 13px; }
.btn-outline { border: 1px solid var(--primary); color: var(--primary); background: #fff; padding: 8px 16px; border-radius: 8px; cursor: pointer; }
.item-row { display: grid; grid-template-columns: 48px 80px 1fr auto; gap: 16px; align-items: center; padding: 16px 0; border-top: 1px solid var(--border); }
.item-index { width: 36px; height: 36px; border-radius: 50%; background: #eef2ff; color: var(--primary); display: grid; place-items: center; font-weight: 700; }
.item-thumb { width: 72px; height: 72px; border-radius: 8px; object-fit: cover; background: #eee; }
.item-actions { display: flex; flex-direction: column; gap: 8px; align-items: flex-end; }
.dl-badge { background: #ecfdf5; color: var(--green); font-size: 12px; padding: 4px 10px; border-radius: 6px; }
.btn-dl { background: var(--primary); color: #fff; border: none; padding: 8px 14px; border-radius: 8px; cursor: pointer; font-size: 13px; }
.btn-dl.secondary { background: #fff; color: var(--primary); border: 1px solid var(--primary); }

.empty-state { text-align: center; padding: 60px; color: var(--muted); }
.toast { position: fixed; right: 20px; bottom: 20px; background: #111; color: #fff; padding: 12px 16px; border-radius: 8px; z-index: 200; }

/* Admin */
.admin-page { background: linear-gradient(180deg, #eef2ff 0%, var(--bg) 280px); }
.admin-wrap { max-width: 1200px; margin: 0 auto; padding: 24px 20px 40px; }
.admin-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.admin-head h1 { margin: 0; font-size: 26px; }
.admin-sub { margin: 4px 0 0; color: var(--muted); font-size: 13px; }
.admin-tabs { display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }
.admin-tab { padding: 10px 18px; border: 1px solid var(--border); background: #fff; border-radius: 10px; cursor: pointer; font-size: 14px; transition: all .15s; }
.admin-tab:hover { border-color: #c7d2fe; color: var(--primary-dark); }
.admin-tab.active { background: var(--primary); color: #fff; border-color: var(--primary); box-shadow: 0 4px 14px rgba(99,102,241,.25); }
.admin-panel { background: #fff; border: 1px solid var(--border); border-radius: 16px; padding: 24px; box-shadow: 0 4px 24px rgba(15,23,42,.04); }
.panel-toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; gap: 12px; flex-wrap: wrap; }
.table-wrap { overflow: auto; border: 1px solid var(--border); border-radius: 12px; }
.admin-table { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 640px; }
.admin-table th { background: #f8fafc; color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .03em; }
.admin-table th, .admin-table td { border-bottom: 1px solid var(--border); padding: 12px 14px; text-align: left; }
.admin-table tr:last-child td { border-bottom: none; }
.admin-table tbody tr:hover { background: #fafbff; }
.admin-table button { padding: 5px 10px; border-radius: 6px; border: 1px solid var(--border); background: #fff; cursor: pointer; font-size: 12px; margin-right: 4px; }
.admin-table button:hover { border-color: var(--primary); color: var(--primary); }
.admin-form-block { margin-top: 20px; border-top: 1px solid var(--border); padding-top: 20px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-grid label, .field-label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: #334155; font-weight: 500; }
.form-grid input, .form-grid textarea, .form-grid select, .field-label input { padding: 10px 12px; border: 1px solid var(--border); border-radius: 10px; font-size: 14px; transition: border-color .15s; }
.form-grid input:focus, .form-grid textarea:focus, .field-label input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(99,102,241,.12); }
.form-full { grid-column: 1 / -1; }
.form-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.btn { padding: 10px 16px; border-radius: 10px; border: none; cursor: pointer; font-size: 14px; font-weight: 600; transition: all .15s; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-ghost { background: #fff; color: var(--muted); border: 1px solid var(--border); }
.btn-ghost:hover { border-color: #cbd5e1; color: var(--text); }
.btn-block { width: 100%; margin-top: 8px; padding: 12px; }
.btn-danger { background: #ef4444; color: #fff; }
.muted { color: var(--muted); font-size: 13px; }

.admin-login-wrap { min-height: calc(100vh - 64px); display: grid; place-items: center; padding: 40px 16px; }
.admin-login-card { width: 100%; max-width: 420px; background: #fff; padding: 32px; border-radius: 20px; border: 1px solid var(--border); box-shadow: 0 20px 50px rgba(99,102,241,.12); }
.admin-login-brand { text-align: center; margin-bottom: 24px; }
.admin-login-brand h2 { margin: 12px 0 4px; font-size: 22px; }
.admin-login-brand p { margin: 0; color: var(--muted); font-size: 14px; }
.admin-login-logo { width: 64px; height: 64px; border-radius: 16px; object-fit: cover; }
.admin-login-logo-text { width: 64px; height: 64px; border-radius: 16px; background: linear-gradient(135deg, #6366f1, #a78bfa); color: #fff; display: inline-grid; place-items: center; font-size: 28px; font-weight: 700; }
.settings-form { max-width: 560px; margin-top: 16px; }
.logo-preview-wrap { display: flex; flex-direction: column; gap: 8px; }
.logo-preview { display: flex; align-items: center; gap: 12px; padding: 16px; background: #f8fafc; border-radius: 12px; border: 1px dashed var(--border); min-height: 72px; }
.logo-preview img { width: 48px; height: 48px; border-radius: 10px; object-fit: cover; }
.logo-preview .preview-text { width: 48px; height: 48px; border-radius: 10px; background: linear-gradient(135deg, #6366f1, #a78bfa); color: #fff; display: grid; place-items: center; font-weight: 700; font-size: 20px; }
.logo-preview strong { font-size: 18px; }

@media (max-width: 1100px) { .workflow-grid { grid-template-columns: repeat(3, 1fr); } .detail-hero { grid-template-columns: 1fr; } }
@media (max-width: 768px) {
  .store-shell { grid-template-columns: 1fr; }
  .store-sidebar { display: none; }
  .workflow-grid { grid-template-columns: repeat(2, 1fr); }
}