:root {
  --bg: #f5f7fa;
  --panel: #ffffff;
  --ink: #1a2233;
  --muted: #6b7486;
  --line: #e4e8ef;
  --accent: #2b7a3f;
  --accent-dark: #215e30;
  --danger: #c24141;
  --warn: #d1841a;
  --safe: #2e7d32;
  --chip-bg: #eef3f1;
  --chip-ink: #2b7a3f;
  --yellow: #f2c94c;
  --shadow: 0 2px 10px rgba(22, 32, 52, 0.05);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.5;
}

code { background: #edf1f6; padding: 1px 5px; border-radius: 4px; font-size: 0.92em; }

.hidden { display: none !important; }

/* ========== Top bar ========== */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 28px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand-logo {
  height: 44px;
  width: auto;
  max-width: 180px;
  display: block;
  object-fit: contain;
}
.logo {
  width: 42px; height: 42px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  border-radius: 9px;
  display: grid; place-items: center;
  font-size: 16px;
}
.title { font-size: 17px; font-weight: 600; }
.subtitle { color: var(--muted); font-size: 13px; }
.status-chip {
  background: var(--chip-bg);
  color: var(--chip-ink);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
}
.status-chip.warn { background: #fdf2e3; color: var(--warn); }
.status-chip.err { background: #fceaea; color: var(--danger); }

/* ========== Tabs ========== */
.tabs {
  display: flex;
  padding: 0 28px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  gap: 4px;
}
.tab {
  background: none;
  border: none;
  padding: 14px 18px;
  cursor: pointer;
  font-size: 14px;
  color: var(--muted);
  border-bottom: 2px solid transparent;
  font-weight: 500;
}
.tab.active { color: var(--ink); border-bottom-color: var(--accent); }
.tab:hover:not(.active) { color: var(--ink); }

/* ========== Panels ========== */
main { padding: 24px 28px 80px; max-width: 1400px; margin: 0 auto; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

.panel h2 { margin: 0 0 6px; font-size: 20px; }
.muted { color: var(--muted); }
.small { font-size: 12.5px; }

/* ========== Lookup layout ========== */
.tab-panel[data-panel="lookup"].active { display: grid; grid-template-columns: 1fr 1.2fr; gap: 24px; }
.col.left { padding: 4px; }
.col.right { }

.lookup-form { margin-top: 20px; background: var(--panel); padding: 18px; border-radius: 10px; box-shadow: var(--shadow); }
.lookup-form label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 12px; }
.lookup-form input {
  display: block;
  width: 100%;
  padding: 10px 12px;
  font-size: 15px;
  border: 1px solid var(--line);
  border-radius: 7px;
  margin-top: 4px;
  background: #fff;
}
.lookup-form input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(43,122,63,0.12); }
.row { display: flex; gap: 10px; }

/* ========== Buttons ========== */
.btn {
  background: #fff;
  border: 1px solid var(--line);
  padding: 9px 16px;
  border-radius: 7px;
  font-size: 14px;
  cursor: pointer;
  font-weight: 500;
  color: var(--ink);
  transition: background 0.15s, border-color 0.15s;
}
.btn:hover { background: #f5f7fa; }
.btn.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn.primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); }
.btn.danger { color: var(--danger); border-color: #eac6c6; }
.btn.danger:hover { background: #fceaea; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ========== Result card ========== */
.result-card {
  margin-top: 20px;
  background: var(--panel);
  border-radius: 10px;
  padding: 18px;
  box-shadow: var(--shadow);
  border-left: 6px solid var(--safe);
}
.result-card.flagged { border-left-color: var(--danger); }
.result-card.warn { border-left-color: var(--warn); }
.result-card h3 { margin: 0 0 6px; font-size: 17px; }
.result-card .big {
  font-size: 18px; font-weight: 600; margin: 8px 0;
}
.result-card.flagged .big { color: var(--danger); }
.result-card:not(.flagged) .big { color: var(--safe); }
.result-card.warn .big { color: var(--warn); }
.result-card .matches { margin-top: 12px; }
.match-row {
  display: grid;
  grid-template-columns: 1fr auto;
  padding: 10px 0;
  border-top: 1px solid var(--line);
  gap: 12px;
}
.match-row .addr { font-weight: 500; }
.match-row .meta { color: var(--muted); font-size: 13px; }
.match-row .dist { color: var(--danger); font-weight: 600; white-space: nowrap; }

/* ========== Map ========== */
#map { height: 520px; border-radius: 10px; box-shadow: var(--shadow); background: #eee; }
.legend {
  display: flex; flex-wrap: wrap; gap: 16px;
  padding: 12px 4px; font-size: 13px; color: var(--muted);
}
.dot { display: inline-block; width: 11px; height: 11px; border-radius: 50%; margin-right: 5px; vertical-align: middle; }
.dot.green { background: #2e7d32; }
.dot.red { background: #c24141; }
.dot.yellow { background: #f2c94c; }
.dot.gray { background: #8a94a6; }

/* ========== Dropzone ========== */
.dropzone {
  margin-top: 16px;
  padding: 40px;
  border: 2px dashed var(--line);
  border-radius: 10px;
  text-align: center;
  background: #fff;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.dropzone.drag { border-color: var(--accent); background: #f0f7f2; }
.dz-icon { font-size: 28px; margin-bottom: 6px; }

.batch-actions {
  margin-top: 18px; display: flex; gap: 10px; align-items: center;
}
.client-actions { margin-top: 16px; display: flex; gap: 10px; }

/* ========== Progress ========== */
.progress { margin: 16px 0; }
.progress .bar {
  height: 10px; background: #e8ecf2; border-radius: 999px; overflow: hidden;
}
.progress .fill {
  height: 100%; background: var(--accent); width: 0%; transition: width 0.15s;
}
.progress-text { margin-top: 8px; font-size: 13px; color: var(--muted); }

/* ========== Results table ========== */
.results-header {
  display: flex; align-items: center; justify-content: space-between;
  margin: 22px 0 10px;
}
.results-header h3 { margin: 0; }
.results-header > div { display: flex; gap: 8px; }
.results-counts {
  display: flex; gap: 18px; margin-bottom: 10px; font-size: 14px;
}
.results-counts .pill {
  background: #eef3f1; padding: 6px 12px; border-radius: 999px;
}
.results-counts .pill.flagged { background: #fceaea; color: var(--danger); font-weight: 600; }

.table-wrap {
  max-height: 520px;
  overflow: auto;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
}
table { border-collapse: collapse; width: 100%; font-size: 13.5px; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--line); white-space: nowrap; }
thead th {
  position: sticky; top: 0; background: #f8fafc; z-index: 1;
  font-weight: 600; font-size: 12px; letter-spacing: 0.04em; text-transform: uppercase; color: var(--muted);
}
tr.flagged { background: #fff6f6; }
tr.flagged td:first-child { border-left: 3px solid var(--danger); }
td.flag-cell { font-weight: 600; color: var(--danger); }
td.safe-cell { color: var(--safe); }

/* ========== Settings ========== */
.setting {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  gap: 30px;
}
.setting:last-child { border-bottom: none; }
.setting-label { font-weight: 600; }
.setting select,
.setting input[type=number] {
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-size: 14px;
  background: #fff;
}

/* ========== Overlay ========== */
.overlay {
  position: fixed; inset: 0;
  background: rgba(10,16,30,0.55);
  display: grid; place-items: center;
  z-index: 500;
}
.modal {
  background: #fff;
  border-radius: 12px;
  padding: 28px;
  max-width: 440px;
  width: calc(100% - 40px);
  box-shadow: 0 8px 40px rgba(0,0,0,0.25);
}
.modal h2 { margin: 0 0 8px; }

/* ========== Footer ========== */
footer {
  padding: 18px 28px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  background: var(--panel);
  margin-top: 40px;
}

/* ========== Responsive ========== */
@media (max-width: 900px) {
  .tab-panel[data-panel="lookup"].active { grid-template-columns: 1fr; }
  #map { height: 360px; }
}