:root {
  --bg: #f7f7f5;
  --surface: #fff;
  --surface-subtle: #fafaf9;
  --text: #202124;
  --strong: #151618;
  --muted: #6f7075;
  --border: #e5e5e2;
  --border-strong: #d6d6d2;
  --accent: #ea4b1f;
  --accent-hover: #d94117;
  --accent-soft: #fff1ec;
  --success: #18794e;
  --success-soft: #edf8f2;
  --danger: #c9362b;
  --danger-soft: #fff0ef;
  --radius: 10px;
  --focus: 0 0 0 3px rgba(234, 75, 31, .14);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { min-width: 320px; background: var(--bg); }
body { margin: 0; color: var(--text); background: var(--bg); font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", "Microsoft JhengHei", sans-serif; font-size: 14px; line-height: 1.55; }
button, input { font: inherit; }
button { cursor: pointer; }
code { padding: 2px 5px; border-radius: 4px; background: #efefed; font-size: .9em; }
.admin-shell { display: grid; grid-template-columns: 270px minmax(0, 1fr); min-height: 100vh; }
.admin-sidebar { position: sticky; top: 0; display: flex; flex-direction: column; height: 100vh; padding: 22px 18px; border-right: 1px solid var(--border); background: var(--surface); }
.brand { display: flex; align-items: center; gap: 11px; color: var(--strong); font-weight: 780; letter-spacing: -.02em; text-decoration: none; }
.brand small { display: block; color: var(--muted); font-size: 9px; letter-spacing: .11em; }
.brand-mark { display: flex; align-items: flex-end; gap: 3px; width: 34px; height: 34px; padding: 8px; border-radius: 8px; background: var(--accent); }
.brand-mark i { display: block; width: 4px; background: #fff; }
.brand-mark i:nth-child(1) { height: 8px; }.brand-mark i:nth-child(2) { height: 14px; }.brand-mark i:nth-child(3) { height: 11px; }
.admin-sidebar nav { display: grid; gap: 6px; margin-top: 38px; }
.admin-sidebar nav > p { margin: 0 8px 6px; color: var(--muted); font-size: 10px; font-weight: 700; letter-spacing: .09em; text-transform: uppercase; }
.nav-item { display: flex; align-items: center; gap: 10px; padding: 10px; border-radius: 7px; color: #55565b; font-size: 12px; font-weight: 650; text-decoration: none; }
.nav-item span { color: #999a9d; font-size: 9px; font-variant-numeric: tabular-nums; }
.nav-item:hover, .nav-item.is-active { color: var(--strong); background: var(--surface-subtle); }
.nav-item.is-active { box-shadow: inset 2px 0 var(--accent); }
.security-note { margin-top: auto; padding: 13px; border: 1px solid #ffd9cc; border-radius: 8px; background: var(--accent-soft); }
.security-note strong { color: var(--accent-hover); font-size: 11px; }
.security-note p { margin: 5px 0 0; color: #7d5145; font-size: 10px; line-height: 1.55; }
.admin-main { min-width: 0; }
.page-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 24px; padding: 36px 42px 26px; border-bottom: 1px solid var(--border); background: rgba(255,255,255,.72); }
.eyebrow { margin: 0 0 5px; color: var(--accent-hover); font-size: 9px; font-weight: 800; letter-spacing: .14em; }
.page-header h1 { margin: 0; color: var(--strong); font-size: 25px; letter-spacing: -.025em; }
.page-header p:last-child { margin: 8px 0 0; color: var(--muted); font-size: 12px; }
.page-actions { display: flex; align-items: center; gap: 8px; }
.state-pill, .status-badge { display: inline-flex; align-items: center; min-height: 26px; padding: 4px 9px; border: 1px solid var(--border); border-radius: 999px; color: var(--muted); background: var(--surface); font-size: 10px; font-weight: 700; white-space: nowrap; }
.state-pill.is-ready, .status-badge.is-ready { color: var(--success); border-color: #bde4ce; background: var(--success-soft); }
.state-pill.is-error { color: var(--danger); border-color: #f0c2bd; background: var(--danger-soft); }
.unlock-panel, .protected-content { width: min(980px, calc(100% - 48px)); margin: 28px auto 48px; }
.unlock-panel { display: grid; grid-template-columns: minmax(0, 1fr) minmax(300px, 420px); gap: 28px; padding: 24px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.unlock-panel h2, .integration-card h2 { margin: 0; color: var(--strong); font-size: 17px; }
.unlock-panel p:not(.eyebrow) { margin: 8px 0 0; color: var(--muted); font-size: 11px; }
.unlock-form { display: grid; gap: 10px; }
.protected-content { display: grid; gap: 16px; }
.settings-form { display: grid; gap: 14px; }
.analytics-panel { overflow: hidden; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.analytics-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 24px; padding: 20px; border-bottom: 1px solid var(--border); background: var(--surface-subtle); }
.analytics-header h2 { margin: 0; color: var(--strong); font-size: 18px; }
.analytics-header p:last-child { margin: 4px 0 0; color: var(--muted); font-size: 10px; }
.analytics-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }
.metric-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; padding: 16px 20px; }
.metric-card { min-width: 0; padding: 14px; border: 1px solid var(--border); border-radius: 8px; background: var(--surface); }
.metric-card > span, .metric-card > strong, .metric-card > small { display: block; }
.metric-card > span { color: var(--muted); font-size: 9px; font-weight: 750; letter-spacing: .05em; }
.metric-card > strong { margin-top: 5px; color: var(--strong); font-size: 23px; font-variant-numeric: tabular-nums; letter-spacing: -.03em; }
.metric-card > small { margin-top: 2px; color: var(--muted); font-size: 9px; }
.metric-card.roi-card { border-color: #ffd4c6; background: var(--accent-soft); }
.metric-card.roi-card > strong { color: var(--accent-hover); }
.metric-card.billing-card { border-color: #c9dff8; background: #f3f8fe; }
.metric-card.billing-card > strong { color: #155b9a; font-size: 19px; }
.analytics-foot { display: grid; grid-template-columns: 1fr minmax(240px, .8fr); gap: 20px; padding: 0 20px 18px; }
.analytics-foot strong { color: var(--strong); font-size: 10px; }
.analytics-foot p { margin: 0; color: var(--muted); font-size: 9px; line-height: 1.6; }
.analytics-notes { display: grid; gap: 4px; }
.pricing-link { color: var(--accent-hover); font-size: 9px; font-weight: 700; text-decoration: none; }.pricing-link:hover { text-decoration: underline; }
.provider-usage { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 7px; }
.provider-usage span { padding: 4px 7px; border: 1px solid var(--border); border-radius: 999px; color: var(--muted); background: var(--surface-subtle); font-size: 9px; }
.audit-panel { margin: 0 20px 18px; border: 1px solid var(--border); border-radius: 8px; background: var(--surface); }
.audit-panel > header { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; padding: 12px 14px; border-bottom: 1px solid var(--border); background: var(--surface-subtle); }
.audit-panel > header strong { color: var(--strong); font-size: 11px; }.audit-panel > header p { margin: 2px 0 0; color: var(--muted); font-size: 9px; }
.fallback-audit-panel > header { background: #fff9f0; }
.fallback-audit-panel { border-color: #ead8b7; }
.error-page-content { margin-top: 28px; }
.error-metric-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.mechanism-panel { margin: 0 20px 18px; border: 1px solid var(--border); border-radius: 8px; background: var(--surface); }
.mechanism-panel > header { padding: 12px 14px; border-bottom: 1px solid var(--border); background: var(--surface-subtle); }
.mechanism-panel > header strong { color: var(--strong); font-size: 11px; }
.mechanism-panel > header p { margin: 2px 0 0; color: var(--muted); font-size: 9px; }
.mechanism-table { min-width: 1080px; }
.mechanism-table th:nth-child(1) { width: 130px; }.mechanism-table th:nth-child(2) { width: 200px; }.mechanism-table th:nth-child(3) { width: 190px; }.mechanism-table th:nth-child(4) { width: 210px; }.mechanism-table th:nth-child(5) { width: 150px; }.mechanism-table th:nth-child(6) { width: 80px; }
.error-note { margin: 0 20px 16px; padding: 12px 14px; border-left: 3px solid #d79a2b; border-radius: 4px; color: var(--muted); background: #fff9f0; font-size: 9px; }
.error-note strong { color: var(--strong); font-size: 10px; }.error-note p { margin: 3px 0 0; line-height: 1.7; }
.compact-unlock { align-items: center; }.button-link { display: inline-flex; align-items: center; justify-content: center; text-decoration: none; }
.audit-table-wrap { overflow-x: auto; }
.audit-table { width: 100%; min-width: 860px; border-collapse: collapse; table-layout: fixed; font-size: 9px; }
.audit-table th, .audit-table td { padding: 9px 10px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; white-space: pre-line; overflow-wrap: anywhere; }
.audit-table th { color: var(--muted); background: #fcfcfb; font-size: 8px; letter-spacing: .04em; }
.audit-table th:nth-child(1) { width: 125px; }.audit-table th:nth-child(2) { width: 150px; }.audit-table th:nth-child(3) { width: 145px; }.audit-table th:nth-child(4) { width: 110px; }.audit-table th:nth-child(5) { width: 105px; }
.audit-table tbody tr:last-child td { border-bottom: 0; }
.audit-table details summary { color: var(--accent-hover); font-weight: 700; cursor: pointer; }
.audit-table pre { max-width: 360px; max-height: 220px; margin: 7px 0 0; padding: 8px; overflow: auto; border-radius: 6px; color: #313237; background: #f3f3f1; white-space: pre-wrap; font: 8px/1.55 ui-monospace, SFMono-Regular, Consolas, monospace; }
.audit-status { display: inline-flex; padding: 2px 6px; border-radius: 999px; color: var(--muted); background: var(--surface-subtle); font-weight: 700; }
.audit-status.is-validated { color: var(--success); background: var(--success-soft); }.audit-status.is-fallback { color: #8b5a00; background: #fff7df; }.audit-status.is-error { color: var(--danger); background: var(--danger-soft); }
.audit-table td small { display: block; margin-top: 4px; color: var(--danger); }
.empty-cell { padding: 20px !important; color: var(--muted); text-align: center !important; }
.analytics-panel > .form-message { padding: 0 20px 12px; }
.records-panel { overflow: hidden; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.records-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 24px; padding: 20px; border-bottom: 1px solid var(--border); background: var(--surface-subtle); }
.records-header h2 { margin: 0; color: var(--strong); font-size: 18px; }
.records-header p:last-child { max-width: 720px; margin: 4px 0 0; color: var(--muted); font-size: 10px; }
.record-table-counts { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 7px; padding: 14px 20px 0; }
.record-count { min-width: 0; padding: 8px 9px; border: 1px solid var(--border); border-radius: 7px; color: var(--muted); background: var(--surface); text-align: left; cursor: pointer; }
.record-count:hover, .record-count.is-active { border-color: var(--accent); background: var(--accent-soft); }
.record-count span, .record-count strong { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.record-count span { font-size: 8px; }.record-count strong { margin-top: 2px; color: var(--strong); font-size: 13px; font-variant-numeric: tabular-nums; }
.record-toolbar { display: flex; align-items: end; gap: 10px; padding: 14px 20px; }
.record-toolbar label { width: min(260px, 35%); }
.record-toolbar label:nth-child(2) { width: 110px; }
.record-toolbar select { width: 100%; height: 36px; padding: 0 30px 0 10px; border: 1px solid var(--border); border-radius: 7px; color: var(--strong); background: var(--surface); font: inherit; outline: 0; }
.record-toolbar select:focus { border-color: var(--accent); box-shadow: var(--focus); }
.record-page-status { margin-left: auto; padding-bottom: 8px; color: var(--muted); font-size: 9px; white-space: nowrap; }
.stored-record-table-wrap { max-height: 620px; overflow: auto; border-block: 1px solid var(--border); }
.stored-record-table { width: max-content; min-width: 100%; border-collapse: separate; border-spacing: 0; font-size: 9px; }
.stored-record-table th, .stored-record-table td { min-width: 120px; max-width: 360px; padding: 9px 10px; border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; overflow-wrap: anywhere; }
.stored-record-table th { position: sticky; top: 0; z-index: 2; color: var(--muted); background: #f8f8f6; font-size: 8px; letter-spacing: .04em; white-space: nowrap; }
.stored-record-table th:last-child, .stored-record-table td:last-child { border-right: 0; }
.stored-record-table tbody tr:last-child td { border-bottom: 0; }
.stored-record-table details summary { color: var(--accent-hover); font-weight: 700; cursor: pointer; }
.stored-record-table pre { max-width: 520px; max-height: 300px; margin: 7px 0 0; padding: 9px; overflow: auto; border-radius: 6px; color: #313237; background: #f3f3f1; white-space: pre-wrap; font: 8px/1.55 ui-monospace, SFMono-Regular, Consolas, monospace; }
.record-pagination { display: flex; justify-content: flex-end; gap: 8px; padding: 12px 20px 4px; }
.records-panel > .form-message { padding: 0 20px 12px; }
.integration-card { overflow: hidden; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.integration-card > header { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 13px; align-items: start; padding: 18px 20px; border-bottom: 1px solid var(--border); background: var(--surface-subtle); }
.integration-card header p { margin: 3px 0 0; color: var(--muted); font-size: 10px; }
.card-index { display: grid; place-items: center; width: 28px; height: 28px; border: 1px solid var(--border-strong); border-radius: 50%; color: var(--muted); font-size: 9px; font-weight: 750; }
.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; padding: 20px; }
label { display: grid; gap: 6px; color: #55565b; font-size: 10px; font-weight: 700; }
label.full { grid-column: 1 / -1; }
label small { color: var(--muted); font-size: 9px; font-weight: 500; }
input { width: 100%; min-width: 0; height: 40px; padding: 0 11px; border: 1px solid var(--border); border-radius: 7px; color: var(--strong); background: var(--surface); outline: 0; }
input:hover { border-color: var(--border-strong); }
input:focus { border-color: var(--accent); box-shadow: var(--focus); }
input[type="checkbox"] { width: 15px; height: 15px; padding: 0; accent-color: var(--accent); }
.checkbox-field { display: flex; align-items: center; gap: 8px; color: var(--muted); font-weight: 550; }
.password-field { display: grid; grid-template-columns: minmax(0, 1fr) auto; }
.password-field input { border-radius: 7px 0 0 7px; }
.password-field button { min-width: 58px; padding: 0 10px; border: 1px solid var(--border); border-left: 0; border-radius: 0 7px 7px 0; color: var(--muted); background: var(--surface-subtle); font-size: 10px; font-weight: 700; }
.primary-button { min-height: 40px; padding: 0 16px; border: 1px solid var(--accent); border-radius: 7px; color: #fff; background: var(--accent); font-size: 11px; font-weight: 750; white-space: nowrap; }
.primary-button:hover:not(:disabled) { border-color: var(--accent-hover); background: var(--accent-hover); }
.primary-button:disabled { cursor: wait; opacity: .55; }
.secondary-button { min-height: 34px; padding: 0 11px; border: 1px solid var(--border); border-radius: 7px; color: var(--muted); background: var(--surface); font-size: 10px; font-weight: 700; }
.secondary-button:hover:not(:disabled) { color: var(--strong); border-color: var(--border-strong); background: var(--surface-subtle); }
.secondary-button:disabled { cursor: wait; opacity: .55; }
.danger-button { min-height: 34px; padding: 0 11px; border: 1px solid #efc2bd; border-radius: 7px; color: var(--danger); background: var(--danger-soft); font-size: 10px; font-weight: 700; }
.danger-button:hover:not(:disabled) { border-color: var(--danger); background: #ffe7e5; }
.danger-button:disabled { cursor: wait; opacity: .55; }
.save-bar { position: sticky; bottom: 12px; z-index: 3; display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 14px 16px; border: 1px solid var(--border-strong); border-radius: var(--radius); background: rgba(255,255,255,.94); box-shadow: 0 14px 36px rgba(25,25,25,.12); backdrop-filter: blur(10px); }
.save-bar strong, .save-bar span { display: block; }
.save-bar strong { color: var(--strong); font-size: 11px; }.save-bar span { margin-top: 2px; color: var(--muted); font-size: 9px; }
.form-message { min-height: 20px; margin: 0; color: var(--muted); font-size: 11px; }
.form-message.is-error { color: var(--danger); }.form-message.is-success { color: var(--success); }

@media (max-width: 840px) {
  .admin-shell { display: block; }
  .admin-sidebar { position: static; display: grid; grid-template-columns: auto 1fr; gap: 16px; width: 100%; height: auto; padding: 14px 18px; border-right: 0; border-bottom: 1px solid var(--border); }
  .admin-sidebar nav { display: flex; justify-content: flex-end; margin: 0; }.admin-sidebar nav > p, .security-note { display: none; }
  .page-header { padding: 26px 24px 20px; }
  .unlock-panel, .protected-content { width: min(100% - 32px, 980px); }
  .metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .record-table-counts { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 620px) {
  .admin-sidebar { grid-template-columns: 1fr; }.admin-sidebar nav { justify-content: stretch; overflow-x: auto; }.nav-item { white-space: nowrap; }
  .page-header { display: block; padding: 22px 16px; }.page-actions { margin-top: 14px; }
  .unlock-panel { grid-template-columns: 1fr; padding: 18px; }.unlock-form { display: grid; }
  .analytics-header { align-items: stretch; flex-direction: column; }.analytics-actions { justify-content: stretch; }.analytics-actions button { flex: 1; }.metric-grid, .analytics-foot { grid-template-columns: 1fr; }
  .audit-panel, .mechanism-panel, .error-note { margin-inline: 14px; }
  .records-header { align-items: stretch; flex-direction: column; }.record-table-counts { grid-template-columns: repeat(2, minmax(0, 1fr)); padding-inline: 14px; }.record-toolbar { align-items: stretch; flex-direction: column; padding-inline: 14px; }.record-toolbar label, .record-toolbar label:nth-child(2) { width: 100%; }.record-page-status { margin-left: 0; padding-bottom: 0; white-space: normal; }
  .field-grid { grid-template-columns: 1fr; padding: 16px; }.field-grid .full { grid-column: auto; }
  .integration-card > header { grid-template-columns: auto 1fr; }.integration-card .status-badge { grid-column: 2; justify-self: start; }
  .save-bar { align-items: stretch; flex-direction: column; }.save-bar .primary-button { width: 100%; }
}