:root {
  --border: #d9dee3;
  --muted: #6b7280;
  --bg: #ffffff;
  --column-bg: #f1f3f5;
  --accent: #2563eb;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  color: #1f2933;
  background: var(--bg);
  line-height: 1.5;
}

/* Top navigation bar */
.topnav {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid var(--border);
}

.topnav a {
  color: var(--accent);
  text-decoration: none;
}

.topnav a:hover { text-decoration: underline; }

.topnav .spacer { flex: 1 1 auto; }

/* Main content region */
main {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem;
}

/* Horizontal kanban board */
.board {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
}

.column {
  flex: 0 0 280px;
  width: 280px;
  background: var(--column-bg);
  border-radius: 8px;
  padding: 0.75rem;
}

/* Cards */
.card {
  background: #fff;
  border-radius: 6px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12);
  padding: 0.75rem;
  margin-bottom: 0.75rem;
}

.card--big {
  padding: 1.25rem;
  font-size: 1.05rem;
  min-height: 88px;
}

.card {
  display: block;
  color: inherit;
  text-decoration: none;
}

.column h2 {
  font-size: 0.9rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 0 0 0.5rem;
}

.column .count {
  font-size: 0.75rem;
  background: var(--muted);
  color: #fff;
  border-radius: 999px;
  padding: 0.05rem 0.5rem;
}

.cards {
  min-height: 2rem;
}

.card-top {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
}

.card-id {
  color: var(--muted);
  font-size: 0.8rem;
}

.card-vehicle {
  font-size: 0.85rem;
  color: var(--muted);
}

.card-meta {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 0.35rem;
}

.card-flags {
  margin-top: 0.4rem;
  display: flex;
  gap: 0.25rem;
  flex-wrap: wrap;
}

.card-advisor {
  display: inline-block;
  margin-top: 0.4rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--muted);
}

/* Status pill */
.chip {
  display: inline-block;
  padding: 0.15rem 0.6rem;
  font-size: 0.75rem;
  color: #fff;
  background: var(--muted);
  border-radius: 999px;
}

/* Data tables */
.grid-table {
  width: 100%;
  border-collapse: collapse;
}

.grid-table th,
.grid-table td {
  padding: 0.5rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.grid-table tbody tr:nth-child(odd) { background: #f8f9fa; }

/* Form controls */
button {
  font: inherit;
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  border-radius: 6px;
  cursor: pointer;
}

button:hover { filter: brightness(1.05); }

input,
select {
  font: inherit;
  padding: 0.4rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 6px;
}