:root {
  --ink: #172033;
  --muted: #687386;
  --line: #dfe4ec;
  --surface: #ffffff;
  --canvas: #f4f6f9;
  --primary: #3157d5;
  --primary-dark: #2444ad;
  --success: #16794d;
  --danger: #bc2f3c;
  --shadow: 0 18px 55px rgba(33, 47, 76, 0.12);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--canvas);
}

* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; }
button, input, select, textarea { font: inherit; }
button, select { cursor: pointer; }

.public-page {
  background:
    radial-gradient(circle at 15% 20%, rgba(104, 133, 255, 0.22), transparent 32rem),
    radial-gradient(circle at 85% 80%, rgba(79, 203, 164, 0.16), transparent 28rem),
    #eef2f8;
}

.center-shell { min-height: 100vh; display: grid; place-items: center; padding: 28px; }
.redeem-card, .login-card {
  width: min(100%, 480px);
  padding: clamp(28px, 6vw, 48px);
  border: 1px solid rgba(255,255,255,.7);
  border-radius: 24px;
  background: rgba(255,255,255,.94);
  box-shadow: var(--shadow);
}

.brand-mark {
  display: grid; place-items: center; width: 54px; height: 54px; margin-bottom: 26px;
  border-radius: 16px; color: white; background: linear-gradient(145deg, #3157d5, #6381ed);
  font-size: 28px; font-weight: 800;
}
.eyebrow { margin: 0 0 8px; color: var(--primary); font-size: 12px; font-weight: 800; letter-spacing: .15em; }
h1, h2 { margin: 0; line-height: 1.2; }
h1 { font-size: clamp(27px, 5vw, 38px); }
h2 { font-size: 20px; }
.lead, .muted { color: var(--muted); line-height: 1.65; }
.lead { margin: 12px 0 26px; }
.muted { margin: 8px 0 18px; font-size: 14px; }
.public-inventory {
  display: flex; align-items: baseline; gap: 7px; margin: -8px 0 22px; padding: 12px 14px;
  border: 1px solid #ccd7fa; border-radius: 12px; color: var(--primary); background: #f3f6ff;
  font-size: 14px; font-weight: 700;
}
.public-inventory strong { font-size: 26px; line-height: 1; }

.stack-form { display: grid; gap: 12px; }
label { font-size: 14px; font-weight: 700; }
input, select, textarea {
  width: 100%; border: 1px solid var(--line); border-radius: 10px; padding: 12px 13px;
  background: white; color: var(--ink); outline: none;
}
input:focus, select:focus, textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(49,87,213,.13); }
input:disabled, select:disabled, button:disabled { cursor: not-allowed; opacity: .55; }

.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 42px;
  padding: 10px 16px; border: 1px solid var(--line); border-radius: 10px; background: white;
  color: var(--ink); font-weight: 750; text-decoration: none;
}
.button:hover { border-color: #b7c0d0; }
.button-primary { border-color: var(--primary); background: var(--primary); color: white; }
.button-primary:hover { border-color: var(--primary-dark); background: var(--primary-dark); }
.button-danger { border-color: #e3a4aa; color: var(--danger); background: #fff5f6; }
.button-danger:hover { border-color: var(--danger); background: #ffebed; }
.button-small { min-height: 34px; padding: 6px 10px; font-size: 13px; }
.link-button { margin-top: 16px; }
.query-link-button { width: 100%; margin-top: 12px; }
.query-form { margin-top: 20px; }
.query-summary {
  margin-bottom: 10px; padding: 14px; border: 1px solid #ccd7fa;
  border-radius: 12px; background: #f3f6ff;
}
.query-summary-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.query-summary-head strong { font-size: 17px; }
.query-summary-head span { color: var(--muted); font-size: 14px; }
.query-download-button { width: 100%; margin-bottom: 12px; }
.query-status-list { display: grid; gap: 9px; margin-bottom: 18px; }
.query-status-row {
  position: relative; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px 14px;
  align-items: center; padding: 13px 14px; border: 1px solid var(--line); border-radius: 12px;
}
.query-status-text { display: grid; gap: 4px; min-width: 0; }
.query-status-text strong { font-size: 14px; }
.query-status-text span { color: var(--muted); font-size: 12px; line-height: 1.5; }
.query-status-actions { display: flex; align-items: center; justify-content: flex-end; gap: 9px; }
.query-status-actions > strong { white-space: nowrap; font-size: 13px; }
.query-copy-source {
  position: fixed; left: -10000px; top: 0; width: 1px; height: 1px; padding: 0;
  border: 0; opacity: 0; pointer-events: none;
}
.query-copy-status { grid-column: 1 / -1; min-height: 0; margin: 0; color: var(--success); font-size: 12px; }
.query-copy-status:empty { display: none; }
.query-status-row-success { border-color: #bce5cf; background: #eaf8f1; }
.query-status-row-pending { border-color: #ecd38d; background: #fff8df; }
.query-status-row-error { border-color: #f4c9ce; background: #fff0f1; }
.privacy-note { margin: 20px 0 0; color: #8992a2; font-size: 12px; line-height: 1.6; }
.back-link { display: inline-block; margin-top: 22px; color: var(--primary); text-decoration: none; font-size: 14px; }
.download-job-card progress { margin: 6px 0 4px; }
.download-job-error { margin-top: 18px; margin-bottom: 0; }

.notice { margin: 0 0 20px; padding: 12px 14px; border-radius: 10px; font-size: 14px; line-height: 1.5; }
.notice-error { color: #8f2530; background: #fff0f1; border: 1px solid #f4c9ce; }
.notice-success { color: #11623f; background: #eaf8f1; border: 1px solid #bce5cf; }
.notice-warning { color: #80500a; background: #fff8df; border: 1px solid #ecd38d; }

.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 26px max(24px, calc((100vw - 1240px) / 2));
  border-bottom: 1px solid var(--line); background: white;
}
.topbar h1 { font-size: 26px; }
.account-area { display: flex; align-items: center; gap: 16px; font-size: 14px; }
.account-area a { color: var(--primary); text-decoration: none; }
.account-area form, .actions form, td form { margin: 0; }
.text-button { padding: 0; border: 0; background: transparent; color: var(--primary); font-weight: 700; }
.text-button.danger { color: var(--danger); }
.text-button:disabled { color: var(--muted); }

.admin-shell { width: min(1240px, calc(100% - 48px)); margin: 30px auto 70px; }
.grid-two { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.panel { padding: 24px; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); box-shadow: 0 5px 18px rgba(33,47,76,.04); }
.section-space { margin-top: 22px; }
.section-head { display: flex; justify-content: space-between; align-items: flex-start; }
.section-head .muted { margin: 5px 0 14px; }
.section-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 13px 12px; border-top: 1px solid var(--line); text-align: left; vertical-align: middle; white-space: nowrap; }
th { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
.file-name { max-width: 330px; overflow: hidden; text-overflow: ellipsis; }
.actions { display: flex; gap: 14px; }
.status { display: inline-block; padding: 4px 8px; border-radius: 999px; font-size: 12px; font-weight: 750; }
.status-on { color: var(--success); background: #e9f7f0; }
.status-off { color: var(--muted); background: #edf0f4; }
.status-downloaded { color: #9a5a08; background: #fff3d8; }
.empty-state { padding: 26px; border: 1px dashed #cbd2dd; border-radius: 12px; color: var(--muted); text-align: center; }
.stats-panel, .download-rule { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.stats-panel .muted, .download-rule .muted { margin-bottom: 0; }
.stats-number { color: var(--primary); font-size: clamp(34px, 6vw, 58px); line-height: 1; }
.card-filters { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 12px; }
.card-filter-link {
  display: inline-flex; align-items: center; gap: 8px; padding: 8px 11px; border: 1px solid var(--line);
  border-radius: 10px; color: var(--ink); background: white; text-decoration: none; font-size: 13px;
}
.card-filter-link strong { min-width: 25px; color: var(--muted); text-align: center; }
.card-filter-link.is-active { border-color: var(--primary); color: var(--primary); background: #f2f5ff; }
.card-filter-link.is-active strong { color: var(--primary); }
.card-groups { display: grid; gap: 10px; margin-top: 12px; }
.card-group { overflow: hidden; border: 1px solid var(--line); border-radius: 12px; background: #fafbfc; }
.card-group summary {
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding: 15px 17px; cursor: pointer; font-weight: 750; list-style-position: inside;
}
.card-group summary:hover { background: #f3f5f8; }
.card-group summary strong { min-width: 34px; padding: 4px 9px; border-radius: 999px; text-align: center; background: white; }
.card-group .table-wrap { border-top: 1px solid var(--line); background: white; }
.pagination {
  display: flex; align-items: center; justify-content: center; gap: 14px; padding: 13px;
  border-top: 1px solid var(--line); color: var(--muted); background: white; font-size: 13px;
}
.page-link { color: var(--primary); text-decoration: none; font-weight: 700; }
.page-link.is-disabled { color: #aab1bd; }
.auto-delete-form { display: flex; align-items: center; gap: 10px; }
.auto-delete-form input[type="number"] { width: 105px; }
.auto-delete-form select { width: 90px; }
.switch-label { display: flex; align-items: center; gap: 9px; cursor: pointer; }
.switch-label input { width: 19px; height: 19px; accent-color: var(--primary); }

.export-download-form { margin: 0; }
.admin-shell > .export-download-form { margin-bottom: 22px; }
.export-list { display: grid; gap: 10px; }
.export-item {
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding: 13px 14px; border: 1px solid var(--line); border-radius: 11px; background: #fafbfc;
}
.export-item strong { display: block; overflow-wrap: anywhere; }
.export-item p { margin: 5px 0 0; color: var(--muted); font-size: 13px; }
progress { width: 100%; height: 10px; accent-color: var(--primary); }
.form-status { min-height: 21px; margin: 0; color: var(--muted); font-size: 13px; }
.extracted-card-panel { margin: 20px 0 4px; padding: 16px; border: 1px solid var(--line); border-radius: 12px; background: #fafbfc; }
.extracted-card-panel h2 { margin: 0 0 6px; font-size: 17px; }
.extracted-card-panel .muted { margin: 0 0 12px; }
.extracted-card-list { width: 100%; resize: vertical; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; line-height: 1.6; }
.extracted-card-panel .button { margin-top: 10px; }
.error-text { color: var(--danger); }
.success-text { color: var(--success); }
.inline-form { display: grid; grid-template-columns: 1fr 1fr auto; gap: 12px; margin-top: 18px; }
.password-panel { max-width: 850px; }

@media (max-width: 780px) {
  .topbar { align-items: flex-start; padding: 20px; }
  .account-area { flex-wrap: wrap; justify-content: flex-end; }
  .admin-shell { width: min(100% - 28px, 1240px); margin-top: 18px; }
  .grid-two { grid-template-columns: 1fr; }
  .inline-form { grid-template-columns: 1fr; }
  .panel { padding: 18px; }
  .section-head { gap: 14px; }
  .export-item { align-items: flex-start; flex-direction: column; }
  .stats-panel, .download-rule, .auto-delete-form { align-items: flex-start; flex-direction: column; }
  .auto-delete-form input[type="number"], .auto-delete-form select { width: 100%; }
}

@media (max-width: 520px) {
  .topbar { display: block; }
  .account-area { justify-content: flex-start; margin-top: 16px; }
  .center-shell { padding: 15px; }
  .redeem-card, .login-card { border-radius: 18px; }
  .query-status-row { grid-template-columns: 1fr; }
  .query-status-actions { justify-content: space-between; }
}