:root {
  --bg: #09111d;
  --panel: #131d2b;
  --line: rgba(255,255,255,0.08);
  --text: #f3f6fb;
  --muted: #8fa2bc;
  --accent: #53cfff;
  --accent-2: #8a6dff;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Arial, sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #06101b 0%, var(--bg) 100%);
}
.page {
  width: min(calc(100% - 2rem), 1280px);
  margin: 0 auto;
  padding: 2rem 0 3rem;
}
.eyebrow { color: var(--accent); text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.78rem; }
h1 { margin: 0.45rem 0 0.8rem; font-size: clamp(2rem, 5vw, 3.6rem); }
.lead { color: var(--muted); max-width: 40rem; line-height: 1.7; }
.panel, .column, .card {
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--panel);
}
.toolbar {
  display: grid;
  grid-template-columns: 1fr 220px;
  gap: 1rem;
  padding: 1rem;
  margin: 1.5rem 0;
}
.workspace {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 1rem;
}
.side-panel {
  padding: 1rem;
  align-self: start;
  position: sticky;
  top: 1rem;
}
.board-area { min-width: 0; }
input, select, button {
  width: 100%;
  padding: 0.9rem 1rem;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #0d1625;
  color: var(--text);
}
button { cursor: pointer; }
.primary-btn {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border: 0;
  color: #07111f;
  font-weight: 700;
}
.board {
  display: grid;
  grid-template-columns: repeat(4, minmax(260px, 1fr));
  gap: 1rem;
  overflow-x: auto;
}
.column {
  padding: 1rem;
  min-height: 520px;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}
.column h2 {
  margin: 0;
  font-size: 1rem;
}
.column-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}
.column-head span,
.panel-head span,
.helper-text,
label span,
.summary-item small,
.card p,
.card small,
.empty-state {
  color: var(--muted);
}
.count-badge {
  min-width: 2rem;
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  text-align: center;
  font-size: 0.8rem;
}
.column-list {
  display: grid;
  gap: 0.8rem;
}
.card {
  padding: 0.95rem;
  background: rgba(255,255,255,0.03);
  cursor: grab;
  transition: transform 0.2s ease, border-color 0.2s ease, opacity 0.2s ease;
}
.card-header,
.card-meta,
.card-actions,
.panel-head,
.summary-item {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
}
.card-header { align-items: flex-start; }
.card-meta {
  align-items: center;
  margin-top: 0.85rem;
}
.card-actions {
  margin-top: 0.8rem;
}
.card-inline {
  flex: 1;
  padding: 0.55rem 0.75rem;
  font-size: 0.9rem;
  background: rgba(255,255,255,0.04);
}
.card:active { cursor: grabbing; }
.card.dragging {
  opacity: 0.5;
  transform: rotate(1deg) scale(0.98);
}
.column.drop-target {
  border-color: rgba(83, 207, 255, 0.5);
  background: rgba(83, 207, 255, 0.06);
}
.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.8rem;
}
.tag {
  padding: 0.3rem 0.6rem;
  border-radius: 999px;
  font-size: 0.78rem;
}
.Alta { background: rgba(255,107,107,0.14); color: #ff8a8a; }
.Media { background: rgba(247,201,72,0.14); color: #ffd76e; }
.Baixa { background: rgba(61,220,151,0.14); color: #5ee0a2; }
.order-form {
  display: grid;
  gap: 0.9rem;
  margin-bottom: 1.2rem;
}
label {
  display: grid;
  gap: 0.4rem;
}
.summary {
  display: grid;
  gap: 0.75rem;
}
.summary-item {
  padding: 0.85rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255,255,255,0.03);
  align-items: center;
}
.summary-item strong {
  display: block;
}
.panel-head {
  align-items: center;
  margin-bottom: 1rem;
}
.panel-head h2 {
  margin: 0;
  font-size: 1.05rem;
}
.panel-head.compact {
  margin-top: 0.2rem;
}
.danger-btn {
  width: auto;
  padding: 0.55rem 0.8rem;
  background: rgba(255,107,107,0.12);
  color: #ff9292;
}
@media (max-width: 1100px) {
  .workspace {
    grid-template-columns: 1fr;
  }
  .side-panel {
    position: static;
  }
}
@media (max-width: 980px) {
  .toolbar, .board {
    grid-template-columns: 1fr;
  }
}