/* Sanctum Sanctorum — Members' Bookstore
   Restrained navy / warm amber palette. No build step. */

:root {
  --navy-950: #0f1830;
  --navy-900: #15213d;
  --navy-800: #1e2c4f;
  --navy-700: #2b3c66;
  --navy-100: #e7ebf3;
  --amber-600: #a86d1a;
  --amber-500: #c98a2b;
  --amber-300: #e7bd78;
  --amber-100: #fbf2e1;

  --bg: #f6f5f2;
  --surface: #ffffff;
  --surface-2: #faf9f7;
  --border: #e2dfd8;
  --border-strong: #cfcbc2;
  --text: #1d2130;
  --muted: #5d6272;

  --success: #1d7348;
  --success-bg: #e5f3eb;
  --danger: #b0281f;
  --danger-bg: #fbeae8;
  --warning: #7f5300;
  --warning-bg: #fff3d9;
  --info: #2b3c66;
  --info-bg: #e9edf6;

  --radius: 8px;
  --radius-sm: 5px;
  --shadow: 0 1px 2px rgba(20, 25, 40, .05), 0 1px 3px rgba(20, 25, 40, .06);
  --shadow-lg: 0 8px 24px rgba(20, 25, 40, .16);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --focus: 0 0 0 3px rgba(201, 138, 43, .55);
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }

html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

h1, h2, h3 { margin: 0; line-height: 1.25; }
h1 { font-size: 1.5rem; font-weight: 650; letter-spacing: -.01em; }
h2 { font-size: 1.05rem; font-weight: 650; }
p { margin: 0; }
a { color: var(--navy-700); }
.muted { color: var(--muted); }
.mono { font-family: var(--font-mono); font-size: .88em; letter-spacing: .01em; }
.num { text-align: right; font-variant-numeric: tabular-nums; }
.sr-only {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

:focus-visible { outline: none; box-shadow: var(--focus); }
input:focus-visible, select:focus-visible, textarea:focus-visible { border-color: var(--amber-500); }

.container { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 20px; }

.skip-link {
  position: absolute; left: 12px; top: -48px; z-index: 100;
  background: var(--amber-500); color: var(--navy-950); padding: 8px 12px;
  border-radius: var(--radius-sm); font-weight: 600; text-decoration: none;
}
.skip-link:focus { top: 12px; }

/* ------------------------------------------------------------ Header */
.site-header { background: var(--navy-900); color: #fff; border-bottom: 3px solid var(--amber-500); }
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap; padding-top: 14px; padding-bottom: 10px;
}
.wordmark { display: inline-flex; align-items: center; gap: 12px; color: #fff; text-decoration: none; border-radius: var(--radius-sm); }
.wordmark-mark {
  display: grid; place-items: center; width: 38px; height: 38px;
  border: 1.5px solid var(--amber-300); color: var(--amber-300); border-radius: 50%;
  font-family: var(--font-serif); font-size: .9rem; letter-spacing: .06em;
}
.wordmark-text { display: flex; flex-direction: column; line-height: 1.15; }
.wordmark-name { font-family: var(--font-serif); font-size: 1.25rem; letter-spacing: .02em; }
.wordmark-sub { font-size: .72rem; text-transform: uppercase; letter-spacing: .14em; color: var(--amber-300); }

.header-meta { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.api-status { display: inline-flex; align-items: center; gap: 6px; font-size: .8rem; color: #c7cede; margin-right: 6px; }
.api-status .dot { width: 8px; height: 8px; border-radius: 50%; background: #8b93a7; }
.api-status[data-state="ok"] .dot { background: #4cc38a; }
.api-status[data-state="down"] .dot { background: #f0776c; }

.chip {
  display: inline-flex; align-items: center; gap: 8px;
  font: inherit; font-size: .85rem; color: #fff; cursor: pointer;
  background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .22);
  padding: 6px 12px; border-radius: 999px; max-width: 320px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.chip:hover { background: rgba(255, 255, 255, .12); }
.chip-accent { border-color: var(--amber-300); }
.chip .count {
  display: inline-grid; place-items: center; min-width: 20px; height: 20px; padding: 0 6px;
  border-radius: 999px; background: var(--amber-500); color: var(--navy-950); font-weight: 700; font-size: .75rem;
}
.chip .tier-dot { color: var(--amber-300); }

.tabs { display: flex; gap: 2px; overflow-x: auto; scrollbar-width: none; }
.tabs::-webkit-scrollbar { display: none; }
.tabs [role="tab"] {
  font: inherit; font-size: .92rem; font-weight: 550; color: #c7cede; background: none; border: 0;
  padding: 10px 14px 11px; cursor: pointer; white-space: nowrap;
  border-bottom: 3px solid transparent; margin-bottom: -3px; border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}
.tabs [role="tab"]:hover { color: #fff; background: rgba(255, 255, 255, .05); }
.tabs [role="tab"][aria-selected="true"] { color: #fff; border-bottom-color: #fff; }

/* ------------------------------------------------------------ Layout */
.main { flex: 1; padding-top: 24px; padding-bottom: 48px; }
.main > section { outline: none; }
.panel-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; flex-wrap: wrap; margin-bottom: 18px; }
.panel-head p { margin-top: 4px; }

.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 18px 20px; margin-bottom: 18px;
}
.card-flush { padding: 0; overflow: hidden; }
.card-title { margin-bottom: 14px; }
.card-head {
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  padding: 12px 20px; border-bottom: 1px solid var(--border);
}
.card-head .card-title { margin: 0; }
.card-head-tools { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.card-flush > .notice, .card-flush > .empty-state { margin: 16px 20px; }

.grid-2 { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 18px; align-items: start; }
.grid-2 .card { margin-bottom: 0; }
.stack { display: grid; gap: 18px; }
@media (max-width: 860px) { .grid-2 { grid-template-columns: 1fr; } }

/* ------------------------------------------------------------ Forms */
.field { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.field label { font-size: .82rem; font-weight: 600; color: #3a3f4f; }
.field-inline { flex-direction: row; align-items: center; gap: 8px; }
.field-inline label { margin: 0; }
.field-check { flex-direction: row; align-items: center; gap: 8px; align-self: end; padding-bottom: 8px; }
.field-check label { font-weight: 500; font-size: .9rem; }

input[type="text"], input[type="search"], input[type="email"], input[type="number"], select {
  font: inherit; font-size: .92rem; color: var(--text); background: var(--surface);
  border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
  padding: 7px 10px; min-height: 36px; width: 100%;
}
input[type="checkbox"] { width: 17px; height: 17px; accent-color: var(--navy-800); margin: 0; }
input::placeholder { color: #9a9eaa; }
[aria-invalid="true"] { border-color: var(--danger) !important; background: #fffafa; }
.field-error { color: var(--danger); font-size: .8rem; margin: 0; }

.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 14px 16px; }
.form-grid .field-wide { grid-column: span 2; }
@media (max-width: 520px) { .form-grid .field-wide { grid-column: auto; } }
.form-actions { display: flex; gap: 8px; margin-top: 16px; flex-wrap: wrap; }
.form-errors { margin-bottom: 14px; }
.inline-form { display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; }
.inline-form .field { flex: 1 1 160px; }

.filters { display: flex; flex-wrap: wrap; gap: 12px 14px; align-items: flex-end; }
.filters .field { flex: 1 1 150px; }
.filters .field-search { flex: 2 1 240px; }
.filters .field-narrow { flex: 0 1 120px; }
.filters-actions { display: flex; align-items: flex-end; }

/* ------------------------------------------------------------ Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  font: inherit; font-size: .9rem; font-weight: 600; line-height: 1.2;
  padding: 8px 14px; min-height: 36px; border-radius: var(--radius-sm);
  border: 1px solid transparent; cursor: pointer; white-space: nowrap; text-decoration: none;
  transition: background-color .12s, border-color .12s, color .12s;
}
.btn:disabled, .btn[aria-disabled="true"] { opacity: .5; cursor: not-allowed; }
.btn-sm { padding: 5px 10px; min-height: 30px; font-size: .82rem; }
.btn-primary { background: var(--navy-800); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--navy-700); }
.btn-accent { background: var(--amber-500); color: var(--navy-950); }
.btn-accent:hover:not(:disabled) { background: #d69a3e; }
.btn-secondary { background: var(--surface); color: var(--navy-800); border-color: var(--border-strong); }
.btn-secondary:hover:not(:disabled) { background: var(--surface-2); border-color: var(--navy-700); }
.btn-ghost { background: transparent; color: var(--navy-700); }
.btn-ghost:hover:not(:disabled) { background: var(--navy-100); }
.btn-danger { background: var(--surface); color: var(--danger); border-color: #e3b9b5; }
.btn-danger:hover:not(:disabled) { background: var(--danger-bg); }
.btn-danger.confirming { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn[aria-busy="true"] { position: relative; color: transparent !important; }
.btn[aria-busy="true"]::after {
  content: ""; position: absolute; width: 14px; height: 14px; border-radius: 50%;
  border: 2px solid var(--muted); border-right-color: transparent; animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.btn-group { display: flex; gap: 6px; flex-wrap: wrap; }

/* ------------------------------------------------------------ Tables */
.table-wrap { width: 100%; overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.table th, .table td { padding: 10px 14px; text-align: left; vertical-align: middle; border-bottom: 1px solid var(--border); }
.table th:first-child, .table td:first-child { padding-left: 20px; }
.table th:last-child, .table td:last-child { padding-right: 20px; }
.table thead th {
  background: var(--surface-2); color: var(--muted); font-size: .74rem; font-weight: 650;
  text-transform: uppercase; letter-spacing: .06em; white-space: nowrap;
}
.table th.num, .table td.num { text-align: right; }
.table tbody tr:last-child td { border-bottom: 0; }
.table tbody tr:hover td { background: #fcfbf9; }
.table td.empty { text-align: center; color: var(--muted); padding: 28px 16px; }
.table td.actions { text-align: right; white-space: nowrap; }
.table td.actions .btn-group { justify-content: flex-end; flex-wrap: nowrap; }
.table tfoot td { background: var(--surface-2); font-weight: 600; }
.table[aria-busy="true"] tbody { opacity: .55; }
.table .edit-input { width: 96px; min-height: 30px; padding: 4px 8px; text-align: right; }
.book-title { font-weight: 600; }
.book-cell { display: flex; flex-direction: column; gap: 3px; align-items: flex-start; }
.cell-sub { font-size: .8rem; color: var(--muted); }
.qty-input { width: 76px !important; min-height: 30px; padding: 4px 8px; }
.stock-low { color: var(--warning); font-weight: 600; }
.stock-out { color: var(--danger); font-weight: 600; }
.overdue-text { color: var(--danger); font-weight: 600; }

.pagination {
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  padding: 10px 20px; border-top: 1px solid var(--border); background: var(--surface-2);
}

/* ------------------------------------------------------------ Badges */
.badge {
  display: inline-flex; align-items: center; font-size: .72rem; font-weight: 650; letter-spacing: .03em;
  padding: 2px 8px; border-radius: 999px; border: 1px solid transparent; white-space: nowrap; text-transform: capitalize;
}
.badge-restricted { background: var(--amber-100); color: var(--amber-600); border-color: #efd6aa; text-transform: none; }
.badge-pending, .badge-active { background: var(--info-bg); color: var(--info); }
.badge-paid { background: var(--success-bg); color: var(--success); }
.badge-cancelled, .badge-returned { background: #eeede9; color: #5b5f69; }
.badge-overdue { background: var(--danger-bg); color: var(--danger); }
.badge-tier { background: var(--navy-900); color: var(--amber-300); }

/* ------------------------------------------------------------ Notices */
.notice { border-radius: var(--radius-sm); padding: 10px 14px; font-size: .9rem; border: 1px solid transparent; }
.notice strong { font-weight: 650; }
.notice ul { margin: 6px 0 0; padding-left: 18px; }
.notice-error { background: var(--danger-bg); color: #7d1d17; border-color: #efc5c1; }
.notice-warning { background: var(--warning-bg); color: var(--warning); border-color: #f0dca9; }
.notice-info { background: var(--info-bg); color: var(--info); border-color: #d4dbea; }
.notice-success { background: var(--success-bg); color: var(--success); border-color: #c2e2cf; }
.notice .btn { margin-top: 8px; }

.empty-state { text-align: center; padding: 26px 12px; color: var(--muted); }
.empty-state p + .btn { margin-top: 12px; }

/* ------------------------------------------------------------ Member card */
.member-head { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.avatar {
  flex: none; width: 48px; height: 48px; border-radius: 50%; display: grid; place-items: center;
  background: var(--navy-800); color: var(--amber-300); font-family: var(--font-serif); font-size: 1.15rem;
}
.member-name { font-size: 1.15rem; font-weight: 650; }
.member-meta { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; font-size: .85rem; color: var(--muted); }
.perks { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin: 0 0 16px; }
.perks div { background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 8px 12px; }
.perks dt { font-size: .74rem; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }
.perks dd { margin: 0; font-weight: 600; }
.section-label { font-size: .74rem; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; font-weight: 650; margin: 0 0 8px; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 10px; margin: 0; }
.stat { border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 10px 12px; }
.stat dt { font-size: .78rem; color: var(--muted); }
.stat dd { margin: 2px 0 0; font-size: 1.25rem; font-weight: 650; font-variant-numeric: tabular-nums; }
.stat.warn dd { color: var(--danger); }
.member-actions { display: flex; gap: 8px; margin-top: 16px; flex-wrap: wrap; }

/* ------------------------------------------------------------ Summary */
.summary { margin: 16px 0 0 auto; max-width: 340px; display: grid; gap: 6px; font-variant-numeric: tabular-nums; }
.summary div { display: flex; justify-content: space-between; gap: 16px; }
.summary dt { color: var(--muted); }
.summary dd { margin: 0; }
.summary .total { border-top: 1px solid var(--border); padding-top: 8px; font-weight: 700; font-size: 1.05rem; }
.summary .total dt { color: var(--text); }
.discount { color: var(--success); }
.cart-footer { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; flex-wrap: wrap; margin-top: 12px; }
.cart-footer .summary { margin: 0 0 0 auto; flex: 1 1 280px; }
.checkout-row { display: flex; justify-content: flex-end; align-items: center; gap: 12px; margin-top: 14px; flex-wrap: wrap; }
.hint { font-size: .82rem; color: var(--muted); }
.order-detail-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.order-detail-head h2 { display: flex; align-items: center; gap: 10px; }
#order-detail .table-wrap { border: 1px solid var(--border); border-radius: var(--radius-sm); }
#order-detail .table th:first-child, #order-detail .table td:first-child { padding-left: 14px; }
#order-detail .table th:last-child, #order-detail .table td:last-child { padding-right: 14px; }

/* ------------------------------------------------------------ Toasts */
.toasts {
  position: fixed; right: 16px; bottom: 16px; z-index: 50; display: flex; flex-direction: column; gap: 10px;
  width: min(400px, calc(100vw - 32px)); pointer-events: none;
}
.toast {
  pointer-events: auto; display: flex; gap: 10px; align-items: flex-start;
  background: var(--surface); border: 1px solid var(--border); border-left: 4px solid var(--info);
  border-radius: var(--radius-sm); box-shadow: var(--shadow-lg); padding: 10px 10px 10px 14px;
  font-size: .88rem; animation: toast-in .16s ease-out;
}
.toast-body { flex: 1; min-width: 0; overflow-wrap: anywhere; }
.toast-title { font-weight: 650; }
.toast-msg { color: #3a3f4f; margin-top: 2px; }
.toast-list { margin: 4px 0 0; padding-left: 18px; color: #3a3f4f; }
.toast-success { border-left-color: var(--success); }
.toast-error { border-left-color: var(--danger); }
.toast-warning { border-left-color: var(--amber-500); }
.toast-close {
  flex: none; font: inherit; font-size: 1.1rem; line-height: 1; width: 26px; height: 26px;
  background: none; border: 0; border-radius: var(--radius-sm); color: var(--muted); cursor: pointer;
}
.toast-close:hover { background: var(--surface-2); color: var(--text); }
.toast.leaving { opacity: 0; transform: translateY(6px); transition: opacity .15s, transform .15s; }
@keyframes toast-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* ------------------------------------------------------------ Footer */
.site-footer { border-top: 1px solid var(--border); padding: 16px 0; font-size: .82rem; }

@media (max-width: 640px) {
  body { font-size: 14px; }
  .container { padding: 0 14px; }
  .header-inner { padding-top: 10px; }
  .api-status { display: none; }
  .chip { max-width: 220px; }
  .card { padding: 14px; }
  .card-head, .pagination { padding-left: 14px; padding-right: 14px; }
  .table th:first-child, .table td:first-child { padding-left: 14px; }
  .table th:last-child, .table td:last-child { padding-right: 14px; }
  .perks { grid-template-columns: 1fr; }
}

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