:root {
  --bg: #0f1419;
  --surface: #1a2332;
  --surface2: #243044;
  --border: #2d3a4f;
  --text: #e8eef6;
  --muted: #8b9bb4;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --ok: #22c55e;
  --ok-bg: rgba(34, 197, 94, 0.15);
  --short: #f59e0b;
  --short-bg: rgba(245, 158, 11, 0.15);
  --over: #38bdf8;
  --over-bg: rgba(56, 189, 248, 0.15);
  --unexpected: #ef4444;
  --unexpected-bg: rgba(239, 68, 68, 0.15);
  --danger: #ef4444;
  --radius: 10px;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono: ui-monospace, "Cascadia Code", "SF Mono", Menlo, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.4;
  min-height: 100%;
}

body { padding: 12px; padding-bottom: 48px; }

.wrap {
  max-width: 1100px;
  margin: 0 auto;
}

header.app-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

header h1 {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.session-row {
  display: flex;
  flex: 1;
  gap: 8px;
  align-items: center;
  min-width: 200px;
}

.session-row label {
  color: var(--muted);
  font-size: 0.85rem;
  white-space: nowrap;
}

input[type="text"],
input[type="number"],
input[type="file"] {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 1rem;
  width: 100%;
}

input:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: var(--accent);
}

input.scan-field {
  font-size: 1.25rem;
  padding: 14px 16px;
  font-family: var(--mono);
  letter-spacing: 0.02em;
}

.grid {
  display: grid;
  gap: 16px;
}

@media (min-width: 860px) {
  .grid-main {
    grid-template-columns: 1fr 1.2fr;
    align-items: start;
  }
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}

.card h2 {
  margin: 0 0 12px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.field {
  margin-bottom: 12px;
}

.field label {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 4px;
  font-weight: 600;
}

.field .hint {
  font-weight: 400;
  color: var(--muted);
  opacity: 0.8;
}

.row-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

button, .btn {
  appearance: none;
  border: none;
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  background: var(--surface2);
  color: var(--text);
  border: 1px solid var(--border);
}

button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

button.primary:hover { background: var(--accent-hover); }

button.danger {
  background: transparent;
  border-color: var(--danger);
  color: var(--danger);
}

button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

button.big {
  width: 100%;
  padding: 16px;
  font-size: 1.1rem;
}

.import-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.import-row input[type="file"] {
  flex: 1;
  min-width: 180px;
}

.toast {
  margin-top: 8px;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 0.9rem;
  display: none;
}

.toast.show { display: block; }
.toast.info { background: var(--over-bg); color: var(--over); }
.toast.ok { background: var(--ok-bg); color: var(--ok); }
.toast.err { background: var(--unexpected-bg); color: var(--unexpected); }

.summary {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.pill {
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  background: var(--surface2);
  border: 1px solid var(--border);
}

.pill.ok { background: var(--ok-bg); color: var(--ok); border-color: transparent; }
.pill.short { background: var(--short-bg); color: var(--short); border-color: transparent; }
.pill.over { background: var(--over-bg); color: var(--over); border-color: transparent; }
.pill.unexpected { background: var(--unexpected-bg); color: var(--unexpected); border-color: transparent; }

.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: 8px;
  border: 1px solid var(--border);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  min-width: 560px;
}

th, td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

th {
  background: var(--surface2);
  color: var(--muted);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  position: sticky;
  top: 0;
}

tr:last-child td { border-bottom: none; }

td.mono { font-family: var(--mono); }

.status {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 0.75rem;
  text-transform: uppercase;
}

.status.ok { background: var(--ok-bg); color: var(--ok); }
.status.short { background: var(--short-bg); color: var(--short); }
.status.over { background: var(--over-bg); color: var(--over); }
.status.unexpected { background: var(--unexpected-bg); color: var(--unexpected); }

tr.status-ok { background: transparent; }
tr.status-short { background: var(--short-bg); }
tr.status-over { background: var(--over-bg); }
tr.status-unexpected { background: var(--unexpected-bg); }

.empty {
  color: var(--muted);
  padding: 24px;
  text-align: center;
}

.scan-log {
  max-height: 180px;
  overflow-y: auto;
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 12px;
  border-top: 1px solid var(--border);
  padding-top: 8px;
}

.scan-log div { padding: 2px 0; }

.optional-tag {
  font-size: 0.7rem;
  color: var(--muted);
  font-weight: 400;
}

.footer-note {
  margin-top: 16px;
  color: var(--muted);
  font-size: 0.8rem;
  text-align: center;
}

.import-status {
  margin-top: 10px;
  padding: 10px 12px;
  border-radius: var(--radius);
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.95rem;
}
.import-status.loaded {
  color: var(--ok);
  border-color: rgba(34, 197, 94, 0.35);
  background: var(--ok-bg);
}
.import-status.err {
  color: var(--unexpected);
  border-color: rgba(239, 68, 68, 0.35);
  background: var(--unexpected-bg);
}

.results-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}
.results-header h2 { margin: 0; }

.btn-edit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  padding: 0;
  border: none;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  line-height: 1;
  font-size: 0.5em; /* half the counted number size */
}
.btn-edit:hover { color: var(--accent); }
.counted-cell {
  display: inline-flex;
  align-items: baseline;
  gap: 0.35em;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 1rem;
}
.pencil-icon { display: block; }
.modal[hidden] { display: none !important; }
.modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}
.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.55);
}
.modal-card {
  position: relative;
  width: min(420px, 100%);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.45);
}
.modal-card h3 { margin: 0 0 8px; font-size: 1.1rem; }
.modal-meta {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 0.9rem;
  font-family: var(--mono);
}
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 16px;
}

.complete-banner {
  margin-bottom: 12px;
  padding: 10px 12px;
  border-radius: var(--radius);
  background: var(--ok-bg);
  border: 1px solid rgba(34, 197, 94, 0.4);
  color: var(--ok);
  font-size: 0.95rem;
  font-weight: 600;
}
.complete-banner[hidden] { display: none !important; }
body.scan-locked .btn-edit { display: none; }

.bottom-actions {
  margin-top: 16px;
  margin-bottom: 8px;
}

.field[hidden] { display: none !important; }