:root {
  --bg: #f4f5f7;
  --panel: #ffffff;
  --border: #d8dce1;
  --text: #1f2430;
  --text-dim: #5b6472;
  --accent: #1f5fa8;
  --accent-dim: #eaf1fb;
  --ok: #1a7f37;
  --ok-bg: #e6f6ea;
  --warn: #9a6700;
  --warn-bg: #fff6e0;
  --bad: #b3261e;
  --bad-bg: #fdeceb;
  --radius: 10px;
  --brand-yellow: #f4b400;
  --brand-black: #1a1a1a;
}

* { box-sizing: border-box; }

.rtco-gate {
  position: fixed;
  inset: 0;
  background: var(--brand-black);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  pointer-events: auto;
}
.rtco-gate.hidden { display: none; }
.rtco-gate-box {
  background: white;
  border-radius: 12px;
  padding: 32px 36px;
  text-align: center;
  width: 100%;
  max-width: 320px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.35);
  pointer-events: auto;
}
.rtco-gate-logo { height: 40px; margin-bottom: 18px; }
.rtco-gate-box h2 { margin: 0 0 16px; font-size: 1.1rem; color: var(--text); }
.rtco-gate-box input {
  width: 100%;
  padding: 10px 12px;
  margin-bottom: 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 1rem;
  font-family: inherit;
  pointer-events: auto;
}
.rtco-gate-box .btn-secondary { width: 100%; margin-top: 0; pointer-events: auto; cursor: pointer; }
.rtco-gate-err { color: var(--bad); font-size: 0.85rem; margin: 12px 0 0; }
.rtco-gate-show {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: flex-start;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--text-dim);
  font-weight: 400;
  margin-bottom: 14px;
}
.rtco-gate-show input { width: auto; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.4;
}

.app-header {
  background: var(--brand-black);
  color: white;
  padding: 14px 28px;
  display: flex;
  align-items: center;
  gap: 20px;
  border-bottom: 4px solid var(--brand-yellow);
}
.app-logo {
  height: 44px;
  width: auto;
  background: white;
  padding: 6px 10px;
  border-radius: 4px;
  flex-shrink: 0;
}
.app-header h1 { margin: 0 0 4px; font-size: 1.25rem; }
.app-header .subtitle { margin: 0; opacity: 0.85; font-size: 0.88rem; }

main {
  max-width: 1100px;
  margin: 24px auto;
  padding: 0 20px 60px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
}
.panel h2 { margin-top: 0; font-size: 1.1rem; border-bottom: 1px solid var(--border); padding-bottom: 10px; }

.panel-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 10px;
  margin-bottom: 4px;
}
.panel-header-row h2 { border-bottom: none; padding-bottom: 0; margin: 0; }
.panel-header-row .btn-secondary { margin-top: 0; white-space: nowrap; }

.field-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px 16px;
  margin-top: 10px;
}

label {
  display: flex;
  flex-direction: column;
  font-size: 0.82rem;
  color: var(--text-dim);
  gap: 4px;
  font-weight: 600;
}

input, select {
  font-family: inherit;
  font-size: 0.95rem;
  padding: 7px 9px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: white;
  color: var(--text);
  font-weight: 400;
}
input:focus, select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.note {
  font-size: 0.82rem;
  color: var(--text-dim);
  margin: 10px 0 0;
}

.btn-secondary, .btn-remove, .btn-link {
  cursor: pointer;
  font-family: inherit;
}

.btn-secondary {
  margin-top: 14px;
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 6px;
  padding: 8px 16px;
  font-weight: 600;
  font-size: 0.88rem;
}
.btn-secondary:hover { background: var(--accent); color: white; }

.group-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin-bottom: 16px;
  background: #fbfcfd;
}

.group-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 4px;
}
.g-name {
  flex: 1;
  font-size: 1rem;
  font-weight: 700;
  padding: 6px 9px;
}
.btn-remove {
  background: var(--bad-bg);
  color: var(--bad);
  border: 1px solid var(--bad);
  border-radius: 6px;
  width: 30px;
  height: 30px;
  font-size: 1.1rem;
  line-height: 1;
}
.btn-remove:hover { background: var(--bad); color: white; }

.group-card h4 {
  margin: 16px 0 0;
  font-size: 0.88rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.btn-link {
  background: none;
  border: none;
  color: var(--accent);
  font-size: 0.82rem;
  padding: 8px 0 0;
  text-decoration: underline;
}

.checkbox-inline {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  margin-top: 8px;
}
.checkbox-inline input { width: auto; }

.materials-panel {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--accent-dim);
  padding: 12px 14px;
  margin-top: 10px;
}

.checkbox-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}
.checkbox-row label {
  flex-direction: row;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  color: var(--text);
}
.checkbox-row input { width: auto; }

input[readonly] {
  background: var(--accent-dim);
  color: var(--text-dim);
  cursor: not-allowed;
}

.computed-row {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--border);
  font-size: 0.88rem;
  align-items: center;
}
.computed-row b { color: var(--text); }

.badge {
  padding: 3px 10px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.78rem;
}
.badge.ok { background: var(--ok-bg); color: var(--ok); }
.badge.bad { background: var(--bad-bg); color: var(--bad); }

.hidden { display: none !important; }

.warnings {
  background: var(--bad-bg);
  border: 1px solid var(--bad);
  color: var(--bad);
  border-radius: 8px;
  padding: 12px 16px;
  margin-bottom: 16px;
  font-size: 0.88rem;
}
.warnings ul { margin: 6px 0 0; padding-left: 18px; }

.summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}
.summary .stat {
  background: var(--accent-dim);
  border-radius: 8px;
  padding: 12px 14px;
}
.summary .stat .label { font-size: 0.76rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.03em; }
.summary .stat .value { font-size: 1.35rem; font-weight: 700; color: var(--accent); }
.summary .stat.bad { background: var(--bad-bg); }
.summary .stat.bad .value { color: var(--bad); }

.truck-block {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin-bottom: 18px;
}
.truck-block h3 { margin: 0 0 6px; font-size: 1rem; }
.truck-block .truck-meta {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 12px;
}
.truck-block .truck-meta b { color: var(--text); }
.truck-block .truck-meta .over { color: var(--bad); font-weight: 700; }

.floor-diagram {
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fafbfc;
  overflow-x: auto;
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-top: 10px;
  font-size: 0.8rem;
}
.legend .swatch {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 3px;
  margin-right: 5px;
  vertical-align: -1px;
}

footer {
  text-align: center;
  color: var(--text-dim);
  font-size: 0.78rem;
  padding: 20px;
}