:root {
  --bg: #0f172a;
  --panel: #172033;
  --panel-2: #1f2a44;
  --panel-3: #263652;
  --text: #eef4ff;
  --muted: #9aa8c4;
  --line: rgba(255,255,255,.1);
  --primary: #3b82f6;
  --primary-2: #60a5fa;
  --good: #22c55e;
  --warn: #facc15;
  --bad: #ef4444;
  --purple: #8b5cf6;
  --shadow: 0 18px 50px rgba(0,0,0,.35);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  display: grid;
  grid-template-columns: 280px 1fr;
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  background: linear-gradient(180deg, #111827, #1e293b);
  border-right: 1px solid var(--line);
  padding: 24px 18px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo {
  width: 48px; height: 48px; border-radius: 16px;
  display: grid; place-items: center; font-weight: 900;
  background: linear-gradient(135deg, #06b6d4, #3b82f6);
  box-shadow: var(--shadow);
}
.brand span { display: block; color: var(--muted); font-size: 13px; margin-top: 2px; }

nav { display: grid; gap: 8px; }
.nav-item {
  border: 0;
  background: transparent;
  color: var(--muted);
  text-align: left;
  padding: 12px 14px;
  border-radius: 12px;
  cursor: pointer;
  font-weight: 700;
}
.nav-item:hover, .nav-item.active {
  background: rgba(59, 130, 246, .16);
  color: var(--text);
}

.side-box {
  background: rgba(255,255,255,.04);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px;
}
.side-box label { margin-top: 0; }
.side-footer {
  margin-top: auto;
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 12px;
}

.main { padding: 28px; overflow-x: auto; }
.topbar {
  display: flex; justify-content: space-between; align-items: flex-start; gap: 20px;
  margin-bottom: 20px;
}
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 6px; font-size: 30px; }
.topbar p, .muted { color: var(--muted); }
.top-actions { display: flex; gap: 10px; }

.btn {
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--text);
  padding: 11px 16px;
  border-radius: 12px;
  cursor: pointer;
  font-weight: 800;
}
.btn:hover { filter: brightness(1.12); }
.btn.primary { background: linear-gradient(135deg, var(--primary), #2563eb); border-color: rgba(96,165,250,.4); }
.btn.ghost { background: rgba(255,255,255,.06); }
.btn.full { width: 100%; margin-top: 16px; }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(150px, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}
.stat-card {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
  box-shadow: var(--shadow);
}
.stat-card span { color: var(--muted); display: block; margin-bottom: 8px; }
.stat-card strong { font-size: 42px; line-height: 1; }
.stat-card.good strong { color: var(--good); }
.stat-card.warn strong { color: var(--warn); }
.stat-card.bad strong { color: var(--bad); }

.view { display: none; }
.view.active { display: block; }

.kanban-toolbar {
  display: flex; align-items: end; justify-content: space-between;
  margin-bottom: 14px;
}
.kanban-toolbar p { color: var(--muted); margin: 0; }

.kanban {
  display: grid;
  grid-template-columns: repeat(6, minmax(280px, 1fr));
  gap: 16px;
  align-items: start;
}
.column {
  background: rgba(255,255,255,.035);
  border: 1px solid var(--line);
  border-radius: 18px;
  min-height: 420px;
  padding: 12px;
}
.column.drag-over {
  outline: 2px solid var(--primary-2);
  background: rgba(59, 130, 246, .1);
}
.column-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 6px 4px 12px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 12px;
}
.column-title { font-weight: 900; }
.column-count {
  background: rgba(255,255,255,.08);
  padding: 4px 9px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 12px;
}

.task-list { display: grid; gap: 12px; }
.task-card {
  background: linear-gradient(180deg, #1f2a44, #172033);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px;
  box-shadow: 0 10px 24px rgba(0,0,0,.2);
  cursor: grab;
}
.task-card:active { cursor: grabbing; }
.task-card.dragging { opacity: .45; }
.task-card-top { display: flex; align-items: center; gap: 9px; margin-bottom: 8px; }
.status-dot { width: 12px; height: 12px; border-radius: 50%; background: var(--primary); }
.task-title { line-height: 1.25; }
.task-description {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
  max-height: 56px;
  overflow: hidden;
}
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin: 12px 0; }
.chip {
  font-size: 11px;
  background: rgba(255,255,255,.08);
  border: 1px solid var(--line);
  color: #d8e5ff;
  padding: 4px 8px;
  border-radius: 999px;
}
.chip.priority-Urgente { background: rgba(239,68,68,.18); color: #fecaca; }
.chip.priority-Alta { background: rgba(250,204,21,.15); color: #fde68a; }
.task-meta { color: var(--muted); font-size: 12px; display: grid; gap: 3px; }
.task-actions { display: flex; gap: 8px; margin-top: 12px; }
.small {
  border: 1px solid var(--line);
  background: rgba(255,255,255,.06);
  color: var(--text);
  padding: 7px 9px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 12px;
}
.small.danger { color: #fecaca; }

.panel {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 24px;
  box-shadow: var(--shadow);
}
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

label { display: block; color: var(--muted); font-size: 13px; margin: 14px 0 7px; font-weight: 700; }
input, select, textarea {
  width: 100%;
  background: #111827;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 11px 12px;
  outline: none;
}
input:focus, select:focus, textarea:focus { border-color: var(--primary-2); }
textarea { resize: vertical; }

.hint, .result-box {
  background: #111827;
  border: 1px solid var(--line);
  color: #dbeafe;
  border-radius: 14px;
  padding: 14px;
  white-space: pre-wrap;
  overflow: auto;
}
.result-box { min-height: 120px; color: var(--muted); }

dialog {
  width: min(720px, calc(100vw - 32px));
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 0;
  box-shadow: var(--shadow);
}
dialog::backdrop { background: rgba(0,0,0,.65); backdrop-filter: blur(4px); }
dialog form { padding: 22px; }
.dialog-header { display: flex; justify-content: space-between; align-items: center; }
.icon-btn {
  background: rgba(255,255,255,.08);
  border: 1px solid var(--line);
  color: var(--text);
  width: 36px; height: 36px; border-radius: 12px;
  cursor: pointer;
  font-size: 22px;
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.dashboard-lists {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.dashboard-card {
  background: rgba(255,255,255,.04);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 16px;
}
.dashboard-card ul { padding-left: 18px; color: var(--muted); }

@media (max-width: 1100px) {
  body { grid-template-columns: 1fr; }
  .sidebar { position: relative; height: auto; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .kanban { grid-template-columns: minmax(280px, 1fr); }
  .two-col, .dashboard-lists, .form-grid { grid-template-columns: 1fr; }
  .topbar { flex-direction: column; }
}