:root {
  color-scheme: light;
  --bg: #f4f6fa;
  --panel: #ffffff;
  --panel-2: #f8fafc;
  --text: #182033;
  --muted: #73809a;
  --line: #e2e7f0;
  --primary: #5367ff;
  --primary-2: #7c4dff;
  --success: #0aa77b;
  --warning: #dc8a11;
  --danger: #e14a67;
  --shadow: 0 18px 48px rgba(33, 45, 89, .10);
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body { font-family: Inter, "Microsoft YaHei", system-ui, sans-serif; background: var(--bg); color: var(--text); }
.portal-frame-shell { position: fixed; inset: 0; width: 100vw; height: 100vh; background: #f4f6fa; }
.portal-frame-shell iframe { display: block; width: 100%; height: 100%; border: 0; background: #f4f6fa; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
[hidden] { display: none !important; }

.auth-page { min-height: 100vh; display: grid; place-items: center; padding: 28px; background: radial-gradient(circle at 20% 15%, #e5e9ff 0, transparent 34%), linear-gradient(140deg, #f8f9ff, #eef4fa); }
.auth-card { width: min(460px, 100%); background: rgba(255,255,255,.94); border: 1px solid rgba(255,255,255,.8); border-radius: 24px; box-shadow: var(--shadow); padding: 34px; }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 800; font-size: 20px; }
.brand-mark { width: 42px; height: 42px; border-radius: 13px; display: grid; place-items: center; color: #fff; background: linear-gradient(135deg, var(--primary), #2bc7c1); box-shadow: 0 9px 24px rgba(83,103,255,.28); }
.eyebrow { margin-top: 28px; color: var(--primary); font-size: 12px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
h1 { margin: 8px 0 6px; font-size: clamp(26px, 4vw, 38px); }
.subtle, .hint { color: var(--muted); line-height: 1.65; }
.hint { font-size: 13px; }

.field { display: grid; gap: 7px; margin: 15px 0; }
.field label { font-size: 13px; font-weight: 700; color: #4c5870; }
.input, input, select, textarea { width: 100%; border: 1px solid var(--line); border-radius: 11px; background: #fff; color: var(--text); padding: 11px 13px; outline: none; transition: .2s; }
input:focus, select:focus, textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(83,103,255,.12); }
textarea { min-height: 88px; resize: vertical; }
.btn { border: 1px solid var(--line); border-radius: 11px; background: #fff; color: var(--text); padding: 10px 16px; font-weight: 700; }
.btn:hover { border-color: #b7c0d4; }
.btn.primary { color: #fff; border-color: transparent; background: linear-gradient(135deg, var(--primary), var(--primary-2)); box-shadow: 0 9px 20px rgba(83,103,255,.22); }
.btn.danger { color: var(--danger); }
.btn.small { padding: 7px 11px; font-size: 13px; }
.btn.block { width: 100%; margin-top: 10px; }
.button-row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }

.app-shell { min-height: 100vh; display: grid; grid-template-columns: 240px minmax(0,1fr); }
.sidebar { padding: 22px 16px; background: #fff; border-right: 1px solid var(--line); position: sticky; top: 0; height: 100vh; }
.sidebar .brand { padding: 0 8px 22px; }
.nav { display: grid; gap: 7px; }
.nav button { border: 0; border-radius: 11px; padding: 11px 13px; text-align: left; color: #56627a; background: transparent; }
.nav button.active, .nav button:hover { color: var(--primary); background: #eef0ff; font-weight: 800; }
.main { min-width: 0; }
.topbar { height: 74px; background: rgba(255,255,255,.9); backdrop-filter: blur(14px); border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; padding: 0 28px; position: sticky; top: 0; z-index: 5; }
.topbar-title { font-weight: 800; font-size: 19px; }
.content { padding: 28px; max-width: 1500px; margin: auto; }
.page-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 18px; margin-bottom: 22px; }
.page-head h1 { margin: 0 0 4px; font-size: 30px; }
.page { display: none; }
.page.active { display: block; }

.stats { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 15px; margin: 20px 0; }
.stat, .card { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; box-shadow: 0 6px 20px rgba(26,39,77,.04); }
.stat { padding: 20px; }
.stat-label { color: var(--muted); font-size: 13px; }
.stat-value { font-size: 28px; font-weight: 900; margin-top: 8px; }
.card { padding: 20px; margin-bottom: 16px; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 14px; }
.card-head h2, .card h2 { margin: 0; font-size: 18px; }
.grid-2 { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 16px; }
.form-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 0 14px; }
.form-grid .wide { grid-column: 1 / -1; }

.table-wrap { overflow: auto; border: 1px solid var(--line); border-radius: 13px; }
table { width: 100%; border-collapse: collapse; min-width: 760px; }
th, td { padding: 13px 14px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { color: #65718a; background: var(--panel-2); font-size: 13px; }
tr:last-child td { border-bottom: 0; }
.badge { display: inline-flex; align-items: center; border-radius: 999px; padding: 4px 9px; font-size: 12px; font-weight: 800; background: #edf0f7; color: #606d85; }
.badge.active { background: #e4f7f0; color: var(--success); }
.badge.draft { background: #fff1db; color: var(--warning); }
.badge.archived, .badge.disabled { background: #fde9ee; color: var(--danger); }
.price { font-weight: 900; }
.muted { color: var(--muted); }
.empty { border: 1px dashed #cbd3e3; border-radius: 14px; padding: 34px; text-align: center; color: var(--muted); }
details { border: 1px solid var(--line); border-radius: 13px; background: var(--panel-2); }
details + details { margin-top: 10px; }
summary { cursor: pointer; padding: 14px; font-weight: 800; }
details .details-body { padding: 0 14px 14px; }
.notice { border-radius: 12px; padding: 12px 14px; margin: 12px 0; background: #edf8ff; color: #226287; font-size: 14px; }
.notice.error { background: #fff0f3; color: #a62d48; }
.notice.success { background: #e9f9f3; color: #087e5b; }
.toast { position: fixed; right: 24px; bottom: 24px; z-index: 20; max-width: 380px; box-shadow: var(--shadow); }

body.member-theme { color-scheme: dark; --bg:#0e1422; --panel:#151d2f; --panel-2:#111827; --text:#edf2ff; --muted:#93a1bd; --line:#2b3852; --primary:#7c6dff; }
body.member-theme .auth-page { background: radial-gradient(circle at 20% 10%, #37225e 0, transparent 34%), linear-gradient(145deg,#0d1220,#151329); }
body.member-theme .auth-card, body.member-theme .sidebar, body.member-theme .topbar { background: rgba(19,26,43,.96); }
body.member-theme input, body.member-theme select, body.member-theme textarea, body.member-theme .btn { background: #111827; color: var(--text); }
body.member-theme .field label { color: #b7c3dc; }
body.member-theme .nav button { color: #aeb9d0; }
body.member-theme .nav button.active, body.member-theme .nav button:hover { color: #fff; background: #2c2b4c; }
.store-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 16px; }
.store-card { background: var(--panel); border: 1px solid var(--line); border-radius: 18px; padding: 20px; }
.store-card h3 { margin: 0 0 8px; }
.tier-list { display: grid; gap: 10px; margin-top: 16px; }
.tier { display: flex; justify-content: space-between; gap: 12px; align-items: center; border-top: 1px solid var(--line); padding-top: 12px; }

@media (max-width: 980px) {
  .stats, .store-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .grid-3 { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .app-shell { display: block; }
  .sidebar { height: auto; position: static; border-right: 0; border-bottom: 1px solid var(--line); padding: 14px; }
  .sidebar .brand { padding-bottom: 12px; }
  .nav { display: flex; overflow-x: auto; }
  .nav button { white-space: nowrap; }
  .topbar { position: static; height: auto; padding: 13px 16px; }
  .content { padding: 18px 14px; }
  .page-head, .card-head { align-items: stretch; flex-direction: column; }
  .stats, .grid-2, .form-grid, .store-grid { grid-template-columns: 1fr; }
  .form-grid .wide { grid-column: auto; }
  .auth-card { padding: 24px 20px; }
}