@import url('https://fonts.googleapis.com/css2?family=Public+Sans:wght@400;500;600;700&display=swap');

:root {
  --bg: #f6f7fb;
  --surface: #ffffff;
  --surface-2: #f2f4f8;
  --border: #d9dee7;
  --border-lite: #e8ecf2;
  --ink: #1d2433;
  --muted: #677287;
  --accent: #2f6fed;
  --danger-bg: #fff4f3;
  --danger-border: #f2c3bc;
  --danger-text: #8b2f23;
  --shadow: 0 10px 30px rgba(18, 30, 55, 0.06);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(47, 111, 237, 0.09), transparent 32%),
    linear-gradient(180deg, #f7f9fc 0%, #eef2f7 100%);
  color: var(--ink);
  font-family: "Public Sans", "Segoe UI", sans-serif;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 24px;
  border-bottom: 1px solid rgba(217, 222, 231, 0.9);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(14px);
  position: sticky;
  top: 0;
  z-index: 20;
}

.page-header h1 {
  margin: 0;
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.header-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid rgba(47, 111, 237, 0.18);
  background: rgba(47, 111, 237, 0.08);
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

.header-action:hover {
  background: rgba(47, 111, 237, 0.14);
}

.page-main {
  width: min(1480px, calc(100vw - 40px));
  margin: 26px auto 40px;
}

.notice-panel,
.meta-panel,
.empty-panel,
.section-card {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(217, 222, 231, 0.92);
  box-shadow: var(--shadow);
  border-radius: 18px;
}

.notice-panel,
.meta-panel,
.empty-panel {
  padding: 20px 22px;
  margin-bottom: 18px;
}

.notice-panel h2,
.meta-panel h2,
.empty-panel h2,
.section-card h2 {
  margin: 0 0 14px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.notice-panel p,
.empty-panel p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.sections-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.section-card {
  overflow: hidden;
}

.section-card h2 {
  padding: 18px 20px 14px;
}

.section-card-half {
  grid-column: span 1;
}

.section-card-full {
  grid-column: 1 / -1;
}

.section-card .kv-table,
.section-card .table-wrap,
.meta-panel .kv-table {
  width: 100%;
}

.section-card .table-wrap,
.meta-panel .kv-table {
  border-top: 1px solid var(--border-lite);
}

table {
  border-collapse: collapse;
}

.kv-table th,
.kv-table td,
.data-table th,
.data-table td {
  border-bottom: 1px solid var(--border-lite);
  padding: 11px 14px;
  vertical-align: top;
}

.kv-table tr:last-child th,
.kv-table tr:last-child td,
.data-table tbody tr:last-child td {
  border-bottom: none;
}

.kv-table th,
.data-table th {
  text-align: left;
  font-weight: 700;
  color: var(--ink);
  background: rgba(242, 244, 248, 0.72);
}

.kv-table th {
  width: 240px;
}

.kv-table td,
.data-table td {
  color: var(--ink);
  line-height: 1.45;
}

.data-table {
  width: 100%;
  min-width: 680px;
}

.data-table tbody tr:nth-child(even) {
  background: rgba(246, 247, 251, 0.55);
}

.data-table tbody tr:hover {
  background: rgba(47, 111, 237, 0.06);
}

.error-box {
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid var(--danger-border);
  background: var(--danger-bg);
  color: var(--danger-text);
}

.upload-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 28px;
}

.upload-panel {
  width: min(620px, 100%);
  background: rgba(255, 255, 255, 0.94);
  border-radius: 22px;
  border: 1px solid rgba(217, 222, 231, 0.92);
  box-shadow: 0 24px 60px rgba(16, 27, 49, 0.12);
  padding: 28px 28px 24px;
}

.upload-panel h1 {
  margin: 0 0 10px;
  font-size: clamp(28px, 4vw, 36px);
  letter-spacing: -0.04em;
}

.upload-panel p {
  margin: 0 0 20px;
  color: var(--muted);
  line-height: 1.55;
}

.upload-form {
  display: grid;
  gap: 14px;
}

.upload-form label {
  display: grid;
  gap: 7px;
  font-weight: 600;
}

.upload-form input[type="file"] {
  border: 1px dashed var(--border);
  border-radius: 14px;
  padding: 16px;
  background: var(--surface-2);
  color: var(--muted);
}

.upload-form button {
  justify-self: start;
  min-height: 42px;
  padding: 0 18px;
  border: none;
  border-radius: 999px;
  background: linear-gradient(135deg, #2f6fed 0%, #1746b3 100%);
  color: #fff;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.upload-form button:hover {
  filter: brightness(1.05);
}

.upload-error {
  margin: 0 0 18px;
}

/* table-wrap already gets border from .section-card .table-wrap */
.table-wrap {
  overflow-x: auto;
}

/* meta-panel table-wrap without duplicate border */
.meta-panel .table-wrap {
  border: none;
  box-shadow: none;
  border-radius: 0;
}

.table-group + .table-group {
  border-top: 1px solid var(--border);
}

.table-group h3 {
  margin: 0;
  padding: 9px 14px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border-lite);
}

.table-block {
  display: block;
}

.table-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 10px;
}

.table-toolbar-label {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.table-severity-filter {
  min-width: 180px;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 7px 10px;
  background: var(--surface);
  color: var(--ink);
  font: inherit;
}

.table-severity-filter:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.table-filter-empty {
  margin: 10px 0 0;
  color: var(--muted);
}

.data-table .status-column {
  width: 1%;
  white-space: nowrap;
  text-align: center;
  padding-left: 12px;
  padding-right: 12px;
}

/* ── Status ──────────────────────────────────────── */

.status-badge {
  display: inline-block;
  font-size: 0;
  white-space: nowrap;
}

.status-badge::before {
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
}

.status-ok::before       { content: '✓'; color: #16ab39; }
.status-warning::before  { content: '!'; color: #f2711c; }
.status-critical::before { content: '✗'; color: #db2828; }
.status-unknown::before  { content: '?'; color: rgba(0, 0, 0, 0.4); }
.status-empty::before    { content: '–'; color: rgba(0, 0, 0, 0.3); }

.severity-info::before     { content: 'i'; color: #2185d0; }
.severity-warning::before  { content: '!'; color: #f2711c; }
.severity-error::before    { content: '×'; color: #db2828; }
.severity-critical::before { content: '✗'; color: #a33333; }
.severity-debug::before    { content: '•'; color: rgba(0, 0, 0, 0.55); }
.severity-unknown::before  { content: '?'; color: rgba(0, 0, 0, 0.4); }

/* ── Responsive ──────────────────────────────────── */

@media (max-width: 720px) {
  .page-header {
    flex-direction: column;
  }

  .page-main {
    width: calc(100vw - 24px);
    margin-top: 20px;
  }

  .sections-grid {
    grid-template-columns: 1fr;
  }

  .page-header {
    padding: 12px 16px;
  }

  .section-card-half,
  .section-card-full {
    grid-column: auto;
  }
}