:root {
  --bg: #f3f0e8;
  --panel: rgba(255, 250, 240, 0.92);
  --panel-strong: #fffaf2;
  --stroke: rgba(77, 53, 34, 0.14);
  --text: #2d2013;
  --muted: #7b6550;
  --accent: #0f766e;
  --accent-soft: rgba(15, 118, 110, 0.12);
  --warning: #a16207;
  --shadow: 0 18px 60px rgba(79, 51, 29, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(15, 118, 110, 0.16), transparent 24%),
    radial-gradient(circle at top right, rgba(161, 98, 7, 0.15), transparent 24%),
    linear-gradient(180deg, #f8f5ef 0%, #ece7dc 100%);
}

.shell {
  min-height: 100vh;
  padding: 24px;
}

.topbar,
.filters,
.stats {
  display: grid;
  gap: 16px;
}

.topbar {
  grid-template-columns: 1fr auto;
  align-items: center;
  margin-bottom: 16px;
}

.eyebrow {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

h1 {
  margin: 0;
  font-size: clamp(28px, 5vw, 40px);
  line-height: 1;
}

.topbar-actions button,
.filters input,
.filters select {
  border: 1px solid var(--stroke);
  border-radius: 14px;
  background: var(--panel);
  color: var(--text);
}

.topbar-actions button {
  padding: 12px 18px;
  font: inherit;
  cursor: pointer;
  box-shadow: var(--shadow);
}

.filters {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 20px 0 14px;
}

.filters label {
  display: grid;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
}

.filters input,
.filters select {
  width: 100%;
  padding: 12px 14px;
  font: inherit;
}

.status-line {
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 14px;
}

.stats {
  grid-template-columns: repeat(3, minmax(0, 220px));
  margin-bottom: 8px;
}

.stat {
  padding: 16px 18px;
  border-radius: 18px;
  border: 1px solid var(--stroke);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.stat strong {
  display: block;
  font-size: 28px;
}

.stat span {
  color: var(--muted);
  font-size: 13px;
}

.board {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(280px, 1fr);
  gap: 18px;
  overflow-x: auto;
  padding-bottom: 18px;
}

.column {
  display: grid;
  grid-template-rows: auto 1fr;
  min-height: 60vh;
  border: 1px solid var(--stroke);
  border-radius: 24px;
  background: rgba(255, 251, 244, 0.7);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
}

.column.drop-target {
  outline: 2px solid var(--accent);
  background: rgba(230, 248, 246, 0.9);
}

.column-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px;
  border-bottom: 1px solid var(--stroke);
}

.column-header h2 {
  margin: 0;
  font-size: 18px;
}

.column-header span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 34px;
  padding: 0 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
}

.column-cards {
  display: grid;
  gap: 12px;
  align-content: start;
  padding: 14px;
}

.card {
  display: grid;
  gap: 10px;
  padding: 14px;
  border-radius: 18px;
  border: 1px solid rgba(63, 44, 28, 0.12);
  background: var(--panel-strong);
  cursor: grab;
}

.card.dragging {
  opacity: 0.5;
}

.card-header {
  display: flex;
  gap: 8px;
  align-items: baseline;
  justify-content: space-between;
}

.card-title {
  font-size: 15px;
  line-height: 1.3;
}

.card-id {
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}

.card-meta,
.card-contact {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.card-labels {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(77, 53, 34, 0.08);
  color: var(--text);
  font-size: 12px;
}

.pill.status-resolved {
  background: rgba(21, 128, 61, 0.12);
  color: #166534;
}

.pill.status-open {
  background: rgba(15, 118, 110, 0.12);
  color: var(--accent);
}

.empty-state {
  padding: 28px 18px;
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 980px) {
  .shell {
    padding: 16px;
  }

  .filters,
  .stats {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .topbar {
    grid-template-columns: 1fr;
  }

  .filters,
  .stats {
    grid-template-columns: 1fr;
  }

  .board {
    grid-auto-columns: minmax(86vw, 1fr);
  }
}