@font-face {
  font-family: "Geist";
  src: url("/geist.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  --canvas: #f5f5f5;
  --paper: #ffffff;
  --surface-alt: #fafafa;
  --ink: #0a0a0a;
  --ink-soft: #171717;
  --muted: #737373;
  --hairline: #e5e5e5;
  --danger: #e7000b;
  --radius-card: 24px;
  --radius-control: 18px;
  --radius-nested: 10px;
  --shadow-card: 0 0 0 1px rgba(23, 23, 23, 0.05), 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
  --font: "Geist", "Inter", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.5;
  font-feature-settings: "ss01" on, "cv11" on;
  -webkit-font-smoothing: antialiased;
}
body.modal-open { overflow: hidden; }
button, input, select, textarea { font: inherit; color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
svg.icon { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex: none; }
[hidden] { display: none !important; }

.skip-link {
  position: fixed; left: 12px; top: -60px; z-index: 999;
  background: var(--ink); color: white; padding: 10px 16px; border-radius: var(--radius-control);
}
.skip-link:focus { top: 12px; }

:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }

.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 15px; font-weight: 600; letter-spacing: -0.02em; }
.brand-mark {
  width: 34px; height: 34px; display: grid; place-items: center;
  border-radius: 10px; background: var(--ink); color: white;
  font-size: 11px; font-weight: 600; letter-spacing: -0.04em;
}
.brand-copy small { display: block; color: var(--muted); font-size: 10px; font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; line-height: 1.1; }

.site-header {
  position: sticky; top: 0; z-index: 50;
  border-bottom: 1px solid rgba(229, 229, 229, .9);
  background: rgba(245, 245, 245, .94);
  backdrop-filter: blur(8px);
}
.header-inner { max-width: 1280px; min-height: 68px; margin: 0 auto; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.primary-nav { display: flex; align-items: center; gap: 24px; color: var(--muted); }
.primary-nav a { font-size: 13px; font-weight: 500; transition: color .16s ease; }
.primary-nav a:hover { color: var(--ink); }
.header-actions { display: flex; align-items: center; gap: 8px; }

.btn {
  min-height: 40px; border: 0; border-radius: var(--radius-control); padding: 0 16px;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--canvas); color: var(--ink); font-weight: 500; font-size: 14px;
  transition: transform .14s ease, background .14s ease, opacity .14s ease;
}
.btn:hover:not(:disabled) { transform: translateY(-1px); }
.btn:active:not(:disabled) { transform: translateY(0); }
.btn:disabled { cursor: not-allowed; opacity: .48; }
.btn-primary { background: var(--ink); color: var(--surface-alt); }
.btn-primary:hover:not(:disabled) { background: #252525; }
.btn-secondary { background: var(--canvas); color: var(--ink); }
.btn-outline { background: transparent; border: 1px solid var(--hairline); }
.btn-danger { background: transparent; border: 1px solid var(--hairline); color: var(--danger); }
.btn-small { min-height: 34px; padding: 0 12px; font-size: 13px; }
.btn-icon { width: 40px; padding: 0; }
.btn-block { width: 100%; }

.page-shell { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.purchase-hero { min-height: 650px; display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(360px, .8fr); gap: 80px; align-items: center; padding-top: 72px; padding-bottom: 72px; }
.hero-copy { max-width: 680px; }
.eyebrow { margin: 0 0 18px; color: var(--muted); font-size: 12px; line-height: 1.33; letter-spacing: .06em; text-transform: uppercase; font-weight: 600; }
.hero-title { margin: 0; max-width: 660px; font-size: clamp(42px, 6vw, 70px); line-height: .98; letter-spacing: -.055em; font-weight: 600; text-wrap: balance; }
.hero-lead { margin: 24px 0 0; max-width: 570px; color: var(--muted); font-size: 17px; line-height: 1.6; text-wrap: pretty; }
.trust-line { margin-top: 32px; display: flex; align-items: center; flex-wrap: wrap; gap: 8px 18px; color: var(--muted); font-size: 13px; }
.trust-item { display: inline-flex; align-items: center; gap: 7px; }
.trust-item .icon { width: 16px; height: 16px; color: var(--ink); }

.card { background: var(--paper); border: 1px solid var(--hairline); border-radius: var(--radius-card); box-shadow: var(--shadow-card); }
.purchase-card { padding: 8px; }
.purchase-card-inner { padding: 28px; border-radius: 18px; background: var(--surface-alt); }
.package-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; }
.package-heading h2 { margin: 0; font-size: 20px; line-height: 1.3; letter-spacing: -.025em; }
.badge { min-height: 24px; padding: 2px 9px; border-radius: var(--radius-control); display: inline-flex; align-items: center; gap: 6px; background: var(--canvas); color: var(--ink-soft); font-size: 12px; font-weight: 500; white-space: nowrap; }
.badge-dark { background: var(--ink-soft); color: var(--surface-alt); }
.badge-outline { background: transparent; border: 1px solid var(--hairline); }
.badge-danger { color: var(--danger); background: transparent; border: 1px solid rgba(231, 0, 11, .2); }
.price-line { margin: 32px 0 8px; display: flex; align-items: baseline; gap: 8px; }
.price-line strong { font-size: 42px; line-height: 1; letter-spacing: -.045em; font-weight: 600; }
.price-line span { color: var(--muted); }
.package-token { margin: 0 0 28px; color: var(--muted); }
.package-specs { list-style: none; padding: 0; margin: 0 0 28px; border-top: 1px solid var(--hairline); }
.package-specs li { min-height: 44px; display: flex; align-items: center; justify-content: space-between; gap: 18px; border-bottom: 1px solid var(--hairline); }
.package-specs span:first-child { color: var(--muted); }
.package-note { margin: 12px 0 0; text-align: center; color: var(--muted); font-size: 12px; }

.section { padding: 88px 0; border-top: 1px solid var(--hairline); }
.section-heading { max-width: 720px; margin-bottom: 32px; }
.section-heading h2 { margin: 0; font-size: clamp(30px, 4vw, 44px); line-height: 1.08; letter-spacing: -.045em; font-weight: 600; text-wrap: balance; }
.section-heading p { margin: 14px 0 0; color: var(--muted); font-size: 16px; }
.models-panel { overflow: hidden; }
.panel-header { min-height: 70px; padding: 0 22px; display: flex; align-items: center; justify-content: space-between; gap: 18px; border-bottom: 1px solid var(--hairline); }
.panel-header h3 { margin: 0; font-size: 16px; letter-spacing: -.02em; }
.panel-header p { margin: 2px 0 0; color: var(--muted); font-size: 12px; }
.model-list { display: grid; }
.model-row { min-height: 66px; padding: 12px 22px; display: grid; grid-template-columns: minmax(220px, 1fr) 140px 160px; gap: 18px; align-items: center; border-bottom: 1px solid var(--hairline); }
.model-row:last-child { border-bottom: 0; }
.model-name { display: flex; align-items: center; gap: 12px; min-width: 0; }
.model-icon { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 10px; background: var(--canvas); }
.model-id { min-width: 0; }
.model-id strong { display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-weight: 500; }
.model-id span, .model-meta { color: var(--muted); font-size: 12px; }
.model-meta { text-align: right; }
.empty-state { padding: 44px 24px; text-align: center; color: var(--muted); }
.empty-state .icon { width: 26px; height: 26px; margin: 0 auto 10px; }

.integration-layout { display: grid; grid-template-columns: .78fr 1.22fr; gap: 72px; align-items: start; }
.steps { counter-reset: step; margin: 30px 0 0; }
.step { display: grid; grid-template-columns: 34px 1fr; gap: 14px; padding: 16px 0; border-top: 1px solid var(--hairline); }
.step::before { counter-increment: step; content: counter(step, decimal-leading-zero); color: var(--muted); font-size: 12px; line-height: 28px; letter-spacing: .04em; }
.step strong { display: block; font-weight: 500; }
.step p { margin: 3px 0 0; color: var(--muted); font-size: 13px; }
.code-window { overflow: hidden; background: var(--ink-soft); color: #f5f5f5; border: 1px solid #292929; border-radius: var(--radius-card); box-shadow: var(--shadow-card); }
.code-toolbar { min-height: 54px; padding: 0 18px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid #303030; }
.code-toolbar span { color: #a3a3a3; font-size: 12px; }
.code-toolbar .btn { background: #292929; color: #f5f5f5; }
pre { margin: 0; overflow: auto; }
.code-window pre { padding: 22px; min-height: 300px; color: #e5e5e5; font: 13px/1.7 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; }
.code-dim { color: #a3a3a3; }

.account-section { padding-top: 48px; padding-bottom: 88px; }
.account-top { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; margin-bottom: 24px; }
.account-top h1 { margin: 0; font-size: 36px; line-height: 1.1; letter-spacing: -.04em; }
.account-top p { margin: 8px 0 0; color: var(--muted); }
.balance-panel { display: grid; grid-template-columns: minmax(220px, 1.2fr) 1fr auto; align-items: center; gap: 30px; padding: 26px; }
.stat-label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .05em; }
.stat-value { margin-top: 6px; font-size: 34px; line-height: 1.1; letter-spacing: -.04em; font-weight: 600; }
.stat-note { margin-top: 5px; color: var(--muted); font-size: 12px; }
.account-grid { margin-top: 20px; display: grid; grid-template-columns: 1fr; gap: 20px; }

.table-card { overflow: hidden; }
.table-scroll { width: 100%; overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 700px; }
th, td { height: 52px; padding: 10px 18px; text-align: left; border-bottom: 1px solid var(--hairline); vertical-align: middle; }
th { color: var(--muted); background: var(--surface-alt); font-size: 11px; text-transform: uppercase; letter-spacing: .05em; font-weight: 600; }
td { font-size: 13px; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover td { background: #fcfcfc; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; font-size: 12px; }
.text-muted { color: var(--muted); }
.text-danger { color: var(--danger); }
.text-right { text-align: right; }
.nowrap { white-space: nowrap; }

.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 20px;
  border-top: 1px solid var(--hairline);
  background: var(--surface-alt);
  flex-wrap: wrap;
}
.pagination-summary {
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
  line-height: 1.4;
}
.pagination-controls {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}
.pagination-size-wrap {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
  font-weight: 500;
}
.pagination-size-wrap label {
  font-size: 13px;
  color: var(--muted);
  font-weight: 500;
  white-space: nowrap;
}
select.pagination-size {
  width: auto !important;
  min-width: 68px;
  min-height: 36px !important;
  height: 36px;
  padding: 4px 10px !important;
  font-size: 13px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-control);
  background: var(--paper);
  color: var(--ink);
  cursor: pointer;
}
.pagination-nav {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.pagination-nav .btn {
  min-height: 36px;
  height: 36px;
  padding: 0 12px;
  font-size: 13px;
  border-radius: var(--radius-control);
  white-space: nowrap;
}
.pagination-nav .btn[disabled] {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

.site-footer { border-top: 1px solid var(--hairline); }
.footer-inner { max-width: 1280px; min-height: 92px; margin: 0 auto; padding: 20px 24px; display: flex; align-items: center; justify-content: space-between; gap: 20px; color: var(--muted); font-size: 12px; }
.footer-inner strong { color: var(--ink); font-weight: 500; }

.field { display: grid; gap: 7px; }
.field label { font-size: 13px; font-weight: 500; }
.field-hint { color: var(--muted); font-size: 12px; }
.input, .select, .textarea {
  width: 100%; min-height: 44px; border: 1px solid transparent; border-radius: var(--radius-control);
  background: var(--canvas); padding: 9px 13px; outline: none;
  transition: border-color .14s ease, background .14s ease;
}
.textarea { min-height: 96px; resize: vertical; border-radius: var(--radius-nested); }
.input:focus, .select:focus, .textarea:focus { border-color: var(--hairline); background: var(--paper); }
.input::placeholder, .textarea::placeholder { color: #a3a3a3; }
.input-group { position: relative; }
.input-group .input { padding-right: 46px; }
.input-action { position: absolute; right: 4px; top: 4px; width: 36px; height: 36px; border: 0; border-radius: 50%; background: transparent; display: grid; place-items: center; color: var(--muted); }
.form-stack { display: grid; gap: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

.dialog {
  width: min(92vw, 520px); max-height: 90vh; padding: 0; border: 1px solid var(--hairline); border-radius: var(--radius-card);
  background: var(--paper); box-shadow: 0 24px 80px rgba(0, 0, 0, .18); color: var(--ink); overflow: hidden;
}
.dialog::backdrop { background: rgba(10, 10, 10, .42); }
.dialog-wide { width: min(94vw, 680px); }
.dialog-header { min-height: 70px; padding: 16px 20px; display: flex; align-items: center; justify-content: space-between; gap: 20px; border-bottom: 1px solid var(--hairline); }
.dialog-header h2 { margin: 0; font-size: 18px; letter-spacing: -.025em; }
.dialog-header p { margin: 2px 0 0; color: var(--muted); font-size: 12px; }
.dialog-close { width: 38px; height: 38px; border: 0; border-radius: 50%; background: var(--canvas); display: grid; place-items: center; }
.dialog-body { padding: 22px; max-height: calc(90vh - 70px); overflow-y: auto; }
.dialog-actions { margin-top: 22px; display: flex; justify-content: flex-end; gap: 8px; }
.dialog-divider { height: 1px; background: var(--hairline); margin: 20px 0; }

.dialog-alert {
  width: min(90vw, 400px);
  border-radius: var(--radius-card);
  text-align: center;
}
.dialog-alert .dialog-body {
  padding: 32px 24px !important;
  text-align: center;
}
.feedback-icon {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  margin: 0 auto 16px;
  display: grid;
  place-items: center;
}
.feedback-icon.success {
  background: rgba(34, 197, 94, 0.12);
  color: #16a34a;
}
.feedback-icon.error {
  background: rgba(239, 68, 68, 0.12);
  color: #dc2626;
}
.feedback-icon.info {
  background: rgba(59, 130, 246, 0.12);
  color: #2563eb;
}
.feedback-icon .icon {
  width: 28px;
  height: 28px;
}
#feedback-title {
  margin: 0 0 8px;
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -.02em;
  color: var(--ink);
}
#feedback-message {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}
.form-error {
  margin-top: -6px;
  padding: 10px 14px;
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.25);
  border-radius: var(--radius-nested);
  color: var(--danger);
  font-size: 13px;
  line-height: 1.4;
  text-align: left;
}

.payment-summary { display: grid; grid-template-columns: 190px 1fr; gap: 24px; align-items: center; }
.qr-frame { aspect-ratio: 1; padding: 12px; display: grid; place-items: center; border: 1px solid var(--hairline); border-radius: 18px; background: white; }
.qr-frame img { width: 100%; height: 100%; object-fit: contain; }
.invoice-data { display: grid; gap: 12px; }
.invoice-line { display: flex; justify-content: space-between; gap: 16px; padding-bottom: 10px; border-bottom: 1px solid var(--hairline); }
.invoice-line span { color: var(--muted); }
.invoice-line strong { text-align: right; font-weight: 500; }
.status-line { margin-top: 18px; min-height: 46px; padding: 10px 13px; border-radius: 14px; background: var(--canvas); display: flex; align-items: center; gap: 10px; }
.status-line .spinner { width: 18px; height: 18px; border: 2px solid var(--hairline); border-top-color: var(--ink); border-radius: 50%; animation: spin .8s linear infinite; }

.success-panel { text-align: center; padding: 8px 0; }
.success-icon { width: 52px; height: 52px; margin: 0 auto 18px; border-radius: 50%; background: var(--ink); color: white; display: grid; place-items: center; }
.success-icon .icon { width: 24px; height: 24px; }
.success-panel h3 { margin: 0; font-size: 24px; letter-spacing: -.035em; }
.success-panel > p { margin: 9px auto 22px; max-width: 410px; color: var(--muted); }
.secret-box { display: grid; grid-template-columns: 1fr auto; gap: 8px; padding: 8px; border-radius: 16px; background: var(--canvas); text-align: left; }
.secret-box code { min-width: 0; padding: 10px; overflow-wrap: anywhere; font: 12px/1.5 ui-monospace, SFMono-Regular, Menlo, monospace; }
.warning-note { margin-top: 12px; color: var(--muted); font-size: 12px; text-align: left; }

.toast-stack { position: fixed; right: 18px; bottom: 18px; z-index: 200; display: grid; gap: 8px; width: min(380px, calc(100vw - 36px)); }
.toast { min-height: 54px; padding: 12px 14px; display: grid; grid-template-columns: 20px 1fr 28px; align-items: center; gap: 10px; background: var(--ink-soft); color: white; border-radius: 16px; box-shadow: 0 12px 32px rgba(0,0,0,.2); animation: toast-in .18s ease-out; }
.toast.error { background: var(--paper); color: var(--danger); border: 1px solid rgba(231, 0, 11, .25); }
.toast p { margin: 0; color: inherit; }
.toast button { width: 28px; height: 28px; border: 0; border-radius: 50%; background: transparent; color: inherit; display: grid; place-items: center; }

/* Admin */
.admin-body { background: var(--canvas); }
.admin-login-shell { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.admin-login-card { width: min(100%, 420px); padding: 28px; }
.admin-login-card h1 { margin: 30px 0 7px; font-size: 30px; letter-spacing: -.045em; }
.admin-login-card > p { margin: 0 0 26px; color: var(--muted); }
.admin-layout { min-height: 100vh; display: grid; grid-template-columns: 244px minmax(0, 1fr); }
.admin-sidebar { position: sticky; top: 0; height: 100vh; height: 100dvh; padding: 20px 14px; display: flex; flex-direction: column; overflow-y: auto; overscroll-behavior: contain; background: var(--surface-alt); border-right: 1px solid var(--hairline); z-index: 60; }
.admin-sidebar > * { flex-shrink: 0; }
.sidebar-brand { padding: 0 8px 22px; display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.admin-nav { display: grid; gap: 4px; }
.admin-nav button { min-height: 42px; padding: 0 12px; border: 0; border-radius: 14px; background: transparent; color: var(--muted); display: flex; align-items: center; gap: 11px; text-align: left; font-weight: 500; }
.admin-nav button:hover { color: var(--ink); background: var(--canvas); }
.admin-nav button.active { color: white; background: var(--ink); }
.sidebar-quicklinks { display: none; margin-top: 18px; padding-top: 18px; border-top: 1px solid var(--hairline); gap: 8px; }
.sidebar-quicklinks .btn { justify-content: flex-start; width: 100%; }
.sidebar-footer { margin-top: auto; padding-top: 18px; border-top: 1px solid var(--hairline); }
.sidebar-footer .btn { justify-content: flex-start; width: 100%; }
.admin-workspace { min-width: 0; }
.admin-topbar { position: sticky; top: 0; z-index: 40; min-height: 68px; padding: 0 28px; border-bottom: 1px solid var(--hairline); background: rgba(245,245,245,.95); backdrop-filter: blur(8px); display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.admin-topbar-heading { display: flex; align-items: center; gap: 10px; min-width: 0; }
.admin-topbar-heading .mobile-menu { flex: none; }
.admin-breadcrumb { color: var(--muted); font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.admin-breadcrumb strong { color: var(--ink); font-weight: 500; }
.admin-top-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.admin-top-actions .desktop-quicklink { white-space: nowrap; }
.mobile-menu { display: none; }
.admin-content { max-width: 1500px; padding: 32px 28px 60px; }
.admin-section-header { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 24px; }
.admin-section-header h1 { margin: 0; font-size: 30px; line-height: 1.15; letter-spacing: -.04em; }
.admin-section-header p { margin: 7px 0 0; color: var(--muted); }
.section-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.metrics-card { display: grid; grid-template-columns: repeat(4, 1fr); margin-bottom: 20px; }
.metric { min-height: 142px; padding: 22px; border-right: 1px solid var(--hairline); }
.metric:last-child { border-right: 0; }
.metric .value { margin-top: 14px; font-size: 30px; line-height: 1; letter-spacing: -.04em; font-weight: 600; }
.metric .meta { margin-top: 10px; color: var(--muted); font-size: 12px; }
.operations-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 20px; }
.health-list { padding: 8px 20px; }
.health-row { min-height: 54px; display: flex; align-items: center; justify-content: space-between; gap: 20px; border-bottom: 1px solid var(--hairline); }
.health-row:last-child { border-bottom: 0; }
.health-name { display: flex; align-items: center; gap: 10px; }
.health-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ink); }
.health-dot.off { background: var(--danger); }
.search-control { width: min(300px, 100%); position: relative; }
.search-control .input { padding-left: 40px; }
.search-control .icon { position: absolute; left: 13px; top: 13px; color: var(--muted); }
.model-admin-row { min-width: 980px; }
.switch { position: relative; width: 42px; height: 24px; display: inline-flex; }
.switch input { position: absolute; opacity: 0; pointer-events: none; }
.switch-track { width: 42px; height: 24px; border-radius: 18px; background: #d4d4d4; position: relative; transition: background .16s ease; }
.switch-track::after { content: ""; position: absolute; width: 18px; height: 18px; top: 3px; left: 3px; border-radius: 50%; background: white; box-shadow: 0 1px 2px rgba(0,0,0,.2); transition: transform .16s ease; }
.switch input:checked + .switch-track { background: var(--ink); }
.switch input:checked + .switch-track::after { transform: translateX(18px); }
.compact-input { width: 86px; min-height: 34px; padding: 5px 10px; }
.settings-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; align-items: start; }
.settings-card { padding: 22px; }
.settings-card h2 { margin: 0 0 4px; font-size: 18px; letter-spacing: -.025em; }
.settings-card > p { margin: 0 0 22px; color: var(--muted); font-size: 13px; }
.secret-status { display: flex; align-items: center; justify-content: space-between; gap: 14px; min-height: 44px; border-bottom: 1px solid var(--hairline); }
.secret-status:last-child { border-bottom: 0; }

.skeleton { background: var(--canvas); border-radius: 8px; min-height: 16px; animation: pulse 1.3s ease-in-out infinite; }
.loading-button .icon { animation: spin .8s linear infinite; }

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } }
@keyframes pulse { 50% { opacity: .55; } }

@media (max-width: 1024px) {
  .purchase-hero { grid-template-columns: 1fr 380px; gap: 42px; }
  .integration-layout { grid-template-columns: 1fr; gap: 36px; }
  .metrics-card { grid-template-columns: repeat(2, 1fr); }
  .metric:nth-child(2) { border-right: 0; }
  .metric:nth-child(-n+2) { border-bottom: 1px solid var(--hairline); }
  .operations-grid { grid-template-columns: 1fr; }
}

@media (max-width: 800px) {
  .primary-nav { display: none; }
  .header-inner { min-height: 62px; padding: 0 16px; }
  .desktop-only { display: none; }
  .header-actions .btn { min-height: 36px; padding: 0 12px; font-size: 13px; }
  .page-shell { padding-left: 16px; padding-right: 16px; }
  .purchase-hero { min-height: auto; grid-template-columns: 1fr; gap: 42px; padding-top: 56px; padding-bottom: 56px; }
  .hero-title { font-size: clamp(40px, 13vw, 58px); }
  .section { padding: 64px 0; }
  .model-row { grid-template-columns: 1fr auto; }
  .model-row .model-meta:nth-child(2) { display: none; }
  .balance-panel { grid-template-columns: 1fr 1fr; }
  .balance-panel .btn { grid-column: 1 / -1; }
  .payment-summary { grid-template-columns: 1fr; }
  .qr-frame { width: min(220px, 100%); margin: 0 auto; }
  .admin-layout { display: block; }
  .admin-sidebar { position: fixed; left: 0; top: 0; width: 244px; visibility: hidden; transform: translateX(-105%); transition: transform .2s ease; box-shadow: 12px 0 40px rgba(0,0,0,.12); }
  .admin-sidebar.open { visibility: visible; transform: translateX(0); }
  .sidebar-quicklinks { display: grid; }
  .sidebar-quicklinks .btn { min-height: 44px; }
  .sidebar-footer { margin-top: 14px; padding-top: 14px; border-top: 0; }
  .sidebar-brand .brand-copy { display: block; }
  .admin-top-actions .desktop-quicklink { display: none; }
  .mobile-menu { display: inline-flex; }
  .admin-topbar { padding: 0 16px; gap: 10px; }
  .admin-content { padding: 24px 16px 48px; }
  .settings-grid { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
  .pagination {
    flex-direction: column;
    align-items: center;
    gap: 14px;
    padding: 16px 14px;
    margin-top: 4px;
  }
  .pagination-summary {
    text-align: center;
    font-size: 12px;
  }
  .pagination-controls {
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    gap: 12px;
  }
  .pagination-size-wrap {
    justify-content: center;
  }
  .pagination-nav {
    justify-content: center;
    width: 100%;
    gap: 6px;
  }
  .pagination-nav .btn {
    min-height: 38px;
    height: 38px;
    padding: 0 10px;
    font-size: 12px;
    flex: 1 1 auto;
    text-align: center;
  }
}

@media (max-width: 560px) {
  .brand-copy { display: none; }
  .purchase-card-inner { padding: 22px; }
  .price-line strong { font-size: 36px; }
  .model-row { padding: 12px 16px; }
  .panel-header { padding: 0 16px; }
  .account-top, .admin-section-header { align-items: flex-start; flex-direction: column; }
  .balance-panel { grid-template-columns: 1fr; gap: 18px; }
  .balance-panel .btn { grid-column: auto; }
  .form-row { grid-template-columns: 1fr; }
  .dialog-body { padding: 18px; }
  .dialog-actions { flex-direction: column-reverse; }
  .dialog-actions .btn { width: 100%; }
  .footer-inner { align-items: flex-start; flex-direction: column; justify-content: center; }
  .metrics-card { grid-template-columns: 1fr; }
  .metric { border-right: 0; border-bottom: 1px solid var(--hairline); }
  .metric:last-child { border-bottom: 0; }
  .section-actions { width: 100%; }
  .section-actions .btn, .section-actions .search-control { flex: 1; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}