:root {
  --bg: #f3f6fa;
  --surface: #ffffff;
  --surface-2: #eaf1f8;
  --border: #d7e2ed;
  --text: #0f2438;
  --text-secondary: #4c6480;
  --text-tertiary: #8098b0;
  --navy: #0f3562;
  --navy-strong: #0a2648;
  --accent: #e54700;
  --accent-strong: #bf3b00;
  --accent-tint: #fdeae1;
  --critical: #c4293d;
  --critical-tint: #fbe7ea;
  --success: #1f7a4d;
  --success-tint: #e4f5ec;
  --shadow: 0 1px 2px rgba(15, 36, 56, 0.05), 0 8px 24px rgba(15, 36, 56, 0.07);
  --focus-ring: #e54700;
  --brand-bar-bg: #ffffff;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0a121d;
    --surface: #0f1c2b;
    --surface-2: #152840;
    --border: #223a54;
    --text: #e8eef5;
    --text-secondary: #9db2c7;
    --text-tertiary: #6c87a0;
    --navy: #7fb0e6;
    --navy-strong: #a9cbf2;
    --accent: #ff7a3d;
    --accent-strong: #ff9764;
    --accent-tint: #3a2013;
    --critical: #ff6b7a;
    --critical-tint: #3a1520;
    --success: #5fd996;
    --success-tint: #123322;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.35), 0 8px 24px rgba(0, 0, 0, 0.4);
    --focus-ring: #ff7a3d;
  }
}

:root[data-theme="dark"] {
  --bg: #0a121d;
  --surface: #0f1c2b;
  --surface-2: #152840;
  --border: #223a54;
  --text: #e8eef5;
  --text-secondary: #9db2c7;
  --text-tertiary: #6c87a0;
  --navy: #7fb0e6;
  --navy-strong: #a9cbf2;
  --accent: #ff7a3d;
  --accent-strong: #ff9764;
  --accent-tint: #3a2013;
  --critical: #ff6b7a;
  --critical-tint: #3a1520;
  --success: #5fd996;
  --success-tint: #123322;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.35), 0 8px 24px rgba(0, 0, 0, 0.4);
  --focus-ring: #ff7a3d;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Brand masthead */
.brand-bar {
  background: var(--brand-bar-bg);
  border-bottom: 3px solid var(--accent);
  box-shadow: var(--shadow);
}

.brand-bar-inner {
  max-width: 1040px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.brand-logo img { display: block; height: 36px; width: auto; }

.brand-nav {
  margin-left: auto;
  display: flex;
  gap: 20px;
  font-family: "IBM Plex Sans", sans-serif;
  font-weight: 600;
  font-size: 13.5px;
}

.brand-nav a { color: var(--text-secondary); }
.brand-nav a.active { color: var(--accent); }

.signed-in {
  font-size: 12.5px;
  color: var(--text-secondary);
  white-space: nowrap;
}

.login-panel { max-width: 520px; margin: 48px auto; }
.login-actions { justify-content: flex-start; }

a.sign-in-btn {
  display: inline-flex;
  align-items: center;
  font-family: "IBM Plex Sans", sans-serif;
  font-weight: 600;
  font-size: 14px;
  border-radius: 9px;
  padding: 11px 20px;
  color: #ffffff;
  background: var(--accent);
  text-decoration: none;
}
a.sign-in-btn:hover { background: var(--accent-strong); text-decoration: none; }

.theme-toggle-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  padding: 0;
  margin: 0;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text-secondary);
}
.theme-toggle-btn:hover { background: var(--border); color: var(--navy); }
.theme-toggle-btn svg { width: 17px; height: 17px; }
.theme-toggle-btn .icon-moon { display: none; }
.theme-toggle-btn.is-dark .icon-sun { display: none; }
.theme-toggle-btn.is-dark .icon-moon { display: block; }

.page {
  max-width: 1040px;
  margin: 0 auto;
  padding: 40px 24px 72px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

header.hero { display: flex; flex-direction: column; gap: 10px; }

.eyebrow {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 8px;
}

.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  display: inline-block;
}

h1 {
  font-family: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  font-weight: 700;
  font-size: 32px;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--navy);
  text-wrap: balance;
}

.subtitle { color: var(--text-secondary); font-size: 15.5px; max-width: 68ch; margin: 0; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow);
}

.panel { padding: 28px; }

.field-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  align-items: end;
}

label {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
  letter-spacing: 0.01em;
}

select, input[type="text"], input[type="password"], input[type="date"], input[type="url"] {
  width: 100%;
  font-family: "IBM Plex Sans", sans-serif;
  font-size: 14px;
  color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 9px 12px;
}

select:focus, input:focus {
  outline: 2px solid var(--focus-ring);
  outline-offset: 1px;
}

.custom-dates { display: none; gap: 16px; }
.custom-dates.visible { display: grid; grid-template-columns: 1fr 1fr; }

.actions-row {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
}

button {
  font-family: "IBM Plex Sans", sans-serif;
  font-weight: 600;
  font-size: 14px;
  border: none;
  border-radius: 9px;
  padding: 11px 20px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: background 0.15s ease, opacity 0.15s ease;
}

button.primary { color: #ffffff; background: var(--accent); }
button.primary:hover { background: var(--accent-strong); }
button.primary:disabled { opacity: 0.6; cursor: wait; }

button.secondary { color: var(--navy); background: var(--surface-2); border: 1px solid var(--border); }
button.secondary:hover { background: var(--border); }

button.danger { color: var(--critical); background: var(--critical-tint); }
button.danger:hover { opacity: 0.85; }

button:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 2px; }

button svg { width: 15px; height: 15px; }

.banner {
  display: none;
  padding: 14px 16px;
  border-radius: 10px;
  font-size: 14px;
  align-items: flex-start;
  gap: 10px;
  line-height: 1.45;
}

.banner.visible { display: flex; }
.banner.error { background: var(--critical-tint); color: var(--critical); border: 1px solid color-mix(in srgb, var(--critical) 35%, transparent); }
.banner.warning { background: var(--accent-tint); color: var(--accent-strong); border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent); }
.banner strong { font-weight: 600; }

.banner-stack { display: flex; flex-direction: column; gap: 10px; }

section.results { display: none; flex-direction: column; gap: 28px; }
section.results.visible { display: flex; }

.section-label {
  font-family: "IBM Plex Sans", sans-serif;
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin: 0 0 14px;
}

.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }

.stat-tile {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.stat-tile .value {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-variant-numeric: tabular-nums;
  font-size: 26px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--navy);
}

.stat-tile .label { font-size: 13px; color: var(--text-secondary); }
.stat-tile .sub { font-size: 12px; color: var(--text-secondary); font-variant-numeric: tabular-nums; }
.stat-row.stat-row-2 { grid-template-columns: repeat(2, 1fr); }
.site-card-stats-extra { margin-top: 14px; }
.stat-tile.rate .value.clean { color: var(--success); }
.stat-tile.rate .value.flagged { color: var(--critical); }

.stat-tile .badge {
  align-self: flex-start;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 100px;
  margin-top: 2px;
}

.stat-tile .badge.clean { background: var(--success-tint); color: var(--success); }
.stat-tile .badge.flagged { background: var(--critical-tint); color: var(--critical); }

.type-chips { display: flex; flex-wrap: wrap; gap: 8px; }

.type-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 12px;
  padding: 5px 10px;
  border-radius: 100px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-secondary);
}

.type-chip.match {
  background: var(--success-tint);
  color: var(--success);
  border-color: color-mix(in srgb, var(--success) 35%, transparent);
  font-weight: 600;
}

.type-chip .count { color: var(--text-tertiary); }
.type-chip.match .count { color: var(--success); }

.table-card { padding: 0; overflow: hidden; }
.table-scroll { overflow-x: auto; max-height: 480px; overflow-y: auto; }

table { border-collapse: collapse; width: 100%; font-size: 13.5px; min-width: 640px; }

thead th {
  position: sticky;
  top: 0;
  background: var(--surface-2);
  text-align: left;
  padding: 11px 16px;
  font-family: "IBM Plex Sans", sans-serif;
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--navy);
  border-bottom: 2px solid var(--accent);
  white-space: nowrap;
  z-index: 1;
}

tbody td { padding: 10px 16px; border-bottom: 1px solid var(--border); color: var(--text); white-space: nowrap; }
tbody td.rfid-cell { font-family: "IBM Plex Mono", ui-monospace, monospace; font-size: 13px; }
tbody tr:last-child td { border-bottom: none; }
tbody tr.group-start td { border-top: 1px solid var(--border); }
tbody tr:hover td { background: var(--surface-2); }

.table-empty { padding: 40px 24px; text-align: center; color: var(--text-secondary); }
.table-empty .check { color: var(--success); font-size: 28px; margin-bottom: 8px; display: block; }

.actions { display: flex; justify-content: flex-end; padding: 16px 20px; border-top: 1px solid var(--border); background: var(--surface-2); }
.row-count-note { padding: 12px 20px 0; font-size: 12.5px; color: var(--text-tertiary); }

footer.brand-footer { border-top: 1px solid var(--border); padding-top: 20px; display: flex; flex-direction: column; align-items: center; gap: 6px; }

.brand-footer-inner {
  font-family: "IBM Plex Sans", sans-serif;
  font-weight: 600;
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--navy);
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-footer-inner .dot { color: var(--accent); }
.foot-note { color: var(--text-tertiary); font-size: 12px; text-align: center; margin: 0; }

/* Configurator */
.site-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.site-table th {
  text-align: left;
  padding: 10px 14px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--navy);
  background: var(--surface-2);
  border-bottom: 2px solid var(--accent);
}
.site-table td { padding: 10px 14px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.site-table tr:last-child td { border-bottom: none; }
.site-table .row-actions { display: flex; gap: 8px; justify-content: flex-end; }
.site-table .row-actions button { padding: 6px 12px; font-size: 12.5px; }

.empty-state { padding: 32px 20px; text-align: center; color: var(--text-secondary); }

.pw-hint { font-size: 12px; color: var(--text-tertiary); margin-top: 4px; }

.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(10, 18, 29, 0.45);
  align-items: center;
  justify-content: center;
  z-index: 20;
  padding: 20px;
}
.modal-overlay.visible { display: flex; }

.modal {
  background: var(--surface);
  border-radius: 14px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 28px;
  width: 100%;
  max-width: 480px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.modal h2 { margin: 0; font-size: 19px; color: var(--navy); font-family: "IBM Plex Sans", sans-serif; }
.modal .field-grid { grid-template-columns: 1fr; }

/* Dashboard */
.dashboard-overview-head { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.dashboard-progress { font-size: 13px; color: var(--text-tertiary); font-family: "IBM Plex Mono", ui-monospace, monospace; }

.site-card-list { display: flex; flex-direction: column; gap: 20px; }

.site-card { padding: 22px 24px; display: flex; flex-direction: column; gap: 14px; }

.site-card-head { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }

.site-card-title { display: flex; align-items: center; gap: 10px; }
.site-card-name { font-weight: 700; font-size: 17px; color: var(--navy); }

.site-card-updated { font-size: 12px; color: var(--text-tertiary); }

.site-card-period {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 12px;
  color: var(--text-tertiary);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 3px 9px;
}

.status-badge {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 100px;
}
.status-badge.status-pending { background: var(--surface-2); color: var(--text-tertiary); }
.status-badge.status-loading { background: var(--accent-tint); color: var(--accent-strong); }
.status-badge.status-clean { background: var(--success-tint); color: var(--success); }
.status-badge.status-flagged { background: var(--critical-tint); color: var(--critical); }
.status-badge.status-error { background: var(--critical-tint); color: var(--critical); }

.site-card-banners .banner { margin: 0; }

.site-card-details { display: none; flex-direction: column; }
.site-card-details.visible { display: flex; }

@media (max-width: 640px) {
  .site-card-head { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }

@media (max-width: 640px) {
  .stat-row, .stat-row.stat-row-2 { grid-template-columns: 1fr; }
  h1 { font-size: 26px; }
  .brand-nav { font-size: 12.5px; gap: 14px; }
}