:root {
  /* Apple-ish palette */
  --bg: #f5f5f7;
  --card: #ffffff;
  --text: #1d1d1f;
  --muted: #6e6e73;
  --border: #d2d2d7;
  --accent: #0071e3;
  --accent-contrast: #ffffff;
  --warn-bg: #fff7ed;
  --warn-text: #9a3412;
  --radius: 14px;
  --shadow: 0 6px 20px rgba(0, 0, 0, 0.06);
  --shadow-soft: 0 1px 2px rgba(0, 0, 0, 0.06);
  --focus: 0 0 0 4px rgba(0, 113, 227, 0.18);
  --select-arrow: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236e6e73' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><path d='m6 9 6 6 6-6'/></svg>");
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0b10;
    --card: #16161a;
    --text: #f5f5f7;
    --muted: #a1a1a6;
    --border: #2c2c2e;
    --accent: #0a84ff;
    --accent-contrast: #ffffff;
    --warn-bg: #2a1b10;
    --warn-text: #f2b48b;
    --shadow: 0 14px 36px rgba(0, 0, 0, 0.45);
    --shadow-soft: 0 1px 2px rgba(0, 0, 0, 0.28);
    --focus: 0 0 0 4px rgba(10, 132, 255, 0.22);
    --select-arrow: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23a1a1a6' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><path d='m6 9 6 6 6-6'/></svg>");
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, PingFang SC, Helvetica Neue, Noto Sans SC, Arial, sans-serif;
  line-height: 1.45;
  color-scheme: light dark;
}

.container { max-width: 980px; margin: 0 auto; padding: 28px 18px; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  background: rgba(245, 245, 247, 0.7);
  backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--border);
}
@media (prefers-color-scheme: dark) {
  .topbar { background: rgba(16, 16, 20, 0.75); }
}
.topbar-inner {
  max-width: 980px;
  margin: 0 auto;
  padding: 12px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  font-weight: 700;
  letter-spacing: -0.02em;
}
.topbar-actions { display: flex; align-items: center; gap: 10px; }
.link-btn {
  display: inline-flex;
  align-items: center;
  height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text);
  text-decoration: none;
  font-size: 13px;
  background: var(--card);
  transition: box-shadow .15s ease, background-color .15s ease, transform .05s ease;
}
.link-btn:hover { box-shadow: var(--shadow-soft); }
.link-btn:active { transform: translateY(1px); }

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
@media (min-width: 960px) {
  .grid { grid-template-columns: 1fr 1fr; }
}
.admin-single-column .grid { grid-template-columns: 1fr; }
.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.card {
  background: var(--card);
  padding: 16px 18px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
  margin: 12px 0;
}
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 8px; }
.card.warn { background: var(--warn-bg); color: var(--warn-text); border-color: rgba(245, 158, 11, 0.35); }

#result .card { margin: 0; }

.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.toolbar { display: flex; gap: 12px; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.toolbar .controls { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }

.hidden { display: none; }
.muted { color: var(--muted); }
#resetNote { font-size: 12px; }

label { font-size: 13px; color: var(--muted); }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.divider {
  height: 1px;
  background: var(--border);
  margin: 14px 0;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  align-items: end;
}
.form-grid-inline { grid-template-columns: 1fr auto; }
@media (max-width: 640px) {
  .form-grid-inline { grid-template-columns: 1fr; }
}
.field { display: flex; flex-direction: column; gap: 6px; min-width: 160px; }
.field-actions { grid-column: 1 / -1; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; justify-content: flex-end; }

.subcard {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px 14px;
  background: color-mix(in srgb, var(--card) 92%, var(--bg));
}
.subcard + .subcard { margin-top: 12px; }
.subcard .form-grid .field-actions { grid-column: auto; }
.danger-zone {
  border-color: rgba(255, 59, 48, 0.28);
  background: color-mix(in srgb, #ff3b30 6%, var(--card));
}
.subcard-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 10px; }
.subcard-title { font-weight: 700; letter-spacing: -0.01em; }

.auth-page { margin: 8px 0 16px; }
.inline-form {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.inline-label {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  min-width: 84px;
}
.inline-form input { flex: 1; min-width: 260px; }

input, select, button {
  height: 44px;
  padding: 0 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  font-size: 14px;
  outline: none;
  transition: box-shadow .15s ease, border-color .15s ease, background-color .15s ease, transform .05s ease;
}
input[type="datetime-local"], input[type="date"], input[type="number"] { height: 44px; }

input:focus-visible, select:focus-visible { border-color: var(--accent); box-shadow: var(--focus); }

select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  padding-right: 34px;
  background-image: var(--select-arrow);
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 14px;
}
select::-ms-expand { display: none; }

button {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-contrast);
  cursor: pointer;
  font-weight: 600;
}
button:hover { filter: brightness(0.98); box-shadow: var(--shadow-soft); }
button:active { transform: translateY(1px); }
button.secondary { background: var(--card); color: var(--text); border-color: var(--border); font-weight: 600; }
button.secondary:hover { background: rgba(0, 0, 0, 0.03); }
@media (prefers-color-scheme: dark) {
  button.secondary:hover { background: rgba(255, 255, 255, 0.06); }
}
button.danger {
  background: #ff3b30;
  border-color: #ff3b30;
  color: #fff;
}
button.danger:hover { filter: brightness(0.98); }
button:disabled { opacity: .55; cursor: not-allowed; transform: none; }

.segmented-control {
  display: inline-flex;
  gap: 2px;
  padding: 2px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--card);
  background: color-mix(in srgb, var(--card) 92%, var(--bg));
}
.segmented-option { position: relative; display: inline-flex; cursor: pointer; user-select: none; }
.segmented-option input { position: absolute; opacity: 0; pointer-events: none; }
.segmented-option span {
  display: inline-flex;
  align-items: center;
  height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
  transition: background-color .15s ease, box-shadow .15s ease, color .15s ease;
}
.segmented-option span:hover { background: rgba(0,0,0,0.04); }
@media (prefers-color-scheme: dark) {
  .segmented-option span:hover { background: rgba(255,255,255,0.08); }
}
.segmented-option input:checked + span {
  background: var(--card);
  color: var(--text);
  box-shadow: var(--shadow-soft);
}
.segmented-option input:focus-visible + span { box-shadow: var(--focus); }

.pager-btn {
  height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  font-weight: 600;
}
.pager-btn:hover { box-shadow: var(--shadow-soft); }
.pager-info {
  display: inline-flex;
  align-items: center;
  height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 12px;
  background: var(--card);
  background: color-mix(in srgb, var(--card) 92%, var(--bg));
}
.pager-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.pager-bar .controls { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.rev-actions { justify-content: space-between; }
.rev-actions .muted { margin-left: auto; }

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 14px;
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  background: var(--card);
}
#ledger { overflow: auto; }
#ledger table { min-width: 640px; }
@media (max-width: 820px) {
  #ledger { overflow: visible; }
  #ledger table { min-width: 0; border: none; background: transparent; }
  #ledger thead { display: none; }
  #ledger tbody, #ledger tr, #ledger td { display: block; width: 100%; }
  #ledger tr {
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 10px 12px;
    margin: 10px 0;
    background: var(--card);
    box-shadow: var(--shadow-soft);
  }
  #ledger td {
    border: none;
    padding: 6px 0;
    display: flex;
    justify-content: space-between;
    gap: 12px;
  }
  #ledger td::before {
    content: attr(data-label);
    color: var(--muted);
    font-size: 12px;
  }
  #ledger td.amount { font-weight: 700; }
}
th, td { padding: 10px 10px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: middle; }
tbody tr:last-child td { border-bottom: none; }
thead th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: var(--card);
  background: color-mix(in srgb, var(--card) 88%, var(--bg));
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--muted);
}
tbody tr:nth-child(2n) td {
  background: var(--card);
  background: color-mix(in srgb, var(--card) 96%, var(--bg));
}
tbody tr:hover td {
  background: var(--card);
  background: color-mix(in srgb, var(--card) 92%, var(--bg));
}

h1 {
  font-size: 30px;
  margin: 6px 0 16px;
  font-weight: 700;
  letter-spacing: -0.02em;
}
h2 { font-size: 18px; margin: 6px 0 12px; font-weight: 700; letter-spacing: -0.01em; }
h3 { font-size: 14px; margin: 14px 0 8px; font-weight: 700; color: var(--muted); }

.page-head { margin: 10px 0 12px; }
.page-head h1 { margin: 6px 0 8px; }
.page-head p.muted { margin: 0; }
.search-card { padding: 12px 14px; margin: 0 0 16px; }
.search-card .search input { height: 46px; }
.search-card .search button { height: 46px; }
.search {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}
.search input {
  flex: 1;
  min-width: 220px;
  height: 48px;
  font-size: 16px;
}
.search button { height: 48px; padding: 0 18px; font-size: 15px; }

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
  margin-top: 10px;
}
.stat {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  background: var(--card);
}
.stat .label { font-size: 12px; color: var(--muted); margin-bottom: 6px; }
.stat .value { font-size: 16px; font-weight: 700; letter-spacing: -0.01em; }

.empty {
  text-align: center;
  padding: 28px 18px;
}
.empty-icon { font-size: 28px; margin-bottom: 8px; }
.empty-title { font-size: 16px; font-weight: 700; margin-bottom: 6px; }

.plan-filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 10px; }
.plan-filters button {
  height: auto;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--card);
  background: color-mix(in srgb, var(--card) 94%, var(--bg));
  color: var(--text);
  border: 1px solid var(--border);
  font-size: 13px;
  line-height: 1.4;
  font-weight: 600;
}
.plan-filters button.active { background: var(--accent); border-color: var(--accent); color: var(--accent-contrast); }

button.small { height: 32px; padding: 0 10px; font-size: 12px; border-radius: 10px; }

.plan-list { margin-top: 12px; }
.plan-list table { margin-top: 6px; }
.plan-list .plan-actions { display: flex; gap: 8px; }
.plan-list tr.selected td {
  background: rgba(0, 113, 227, 0.08);
  background: color-mix(in srgb, var(--accent) 12%, var(--card));
}

.status-pill {
  display: inline-flex;
  align-items: center;
  height: 24px;
  padding: 0 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: -0.01em;
  background: color-mix(in srgb, var(--card) 92%, var(--bg));
  color: var(--muted);
  white-space: nowrap;
}
.status-pill.ok {
  border-color: rgba(52, 199, 89, 0.35);
  background: color-mix(in srgb, #34c759 12%, var(--card));
  color: color-mix(in srgb, #34c759 70%, var(--text));
}
.status-pill.fail {
  border-color: rgba(255, 59, 48, 0.32);
  background: color-mix(in srgb, #ff3b30 10%, var(--card));
  color: color-mix(in srgb, #ff3b30 70%, var(--text));
}

.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 12px;
}