:root {
  --bg: #f5f6fb;
  --surface: #ffffff;
  --surface-2: #f0f1f8;
  --border: #e2e4f0;
  --text: #1c1e2b;
  --text-muted: #666b85;
  --primary: #4f5bd5;
  --primary-hover: #3f49b8;
  --danger: #e0435c;
  --danger-bg: #fdeaee;
  --warning: #d98a1a;
  --warning-bg: #fdf3e2;
  --success: #1f9d5c;
  --success-bg: #e6f7ee;
  --q1: #e0435c;
  --q2: #4f5bd5;
  --q3: #d98a1a;
  --q4: #8a8fa3;
  --area-trabalho: #3468d1;
  --area-pessoal: #0d9488;
  --area-familia: #c2478a;
  --area-saude: #2fa84f;
  --area-financas: #b98900;
  --area-outro: #8a8fa3;
  --radius: 12px;
  --shadow: 0 2px 10px rgba(20, 22, 40, 0.06);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #14151f;
    --surface: #1c1e2b;
    --surface-2: #23253570;
    --border: #2f3146;
    --text: #eceefb;
    --text-muted: #9a9fbd;
    --primary: #7c86f0;
    --primary-hover: #929cff;
    --danger: #ff6b82;
    --danger-bg: #3a1c24;
    --warning: #f0b352;
    --warning-bg: #3a2c14;
    --success: #4fd18b;
    --success-bg: #123626;
    --area-trabalho: #6d97e8;
    --area-pessoal: #4fd6c4;
    --area-familia: #e07ab8;
    --area-saude: #6bd98a;
    --area-financas: #e0c05a;
    --area-outro: #9a9fbd;
    --shadow: 0 2px 14px rgba(0, 0, 0, 0.35);
  }
}

:root[data-theme="dark"] {
  --bg: #14151f;
  --surface: #1c1e2b;
  --surface-2: #23253570;
  --border: #2f3146;
  --text: #eceefb;
  --text-muted: #9a9fbd;
  --primary: #7c86f0;
  --primary-hover: #929cff;
  --danger: #ff6b82;
  --danger-bg: #3a1c24;
  --warning: #f0b352;
  --warning-bg: #3a2c14;
  --success: #4fd18b;
  --success-bg: #123626;
  --area-trabalho: #6d97e8;
  --area-pessoal: #4fd6c4;
  --area-familia: #e07ab8;
  --area-saude: #6bd98a;
  --area-financas: #e0c05a;
  --area-outro: #9a9fbd;
  --shadow: 0 2px 14px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  transition: background .2s, color .2s;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 28px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark { font-size: 28px; color: var(--primary); }
.brand h1 { font-size: 18px; margin: 0; }
.subtitle { margin: 2px 0 0; font-size: 12.5px; color: var(--text-muted); }
.top-actions { display: flex; gap: 10px; align-items: center; }
.conn-badge {
  font-size: 12.5px; font-weight: 600; color: var(--success);
  background: var(--success-bg); border-radius: 20px; padding: 6px 12px;
}
.user-badge {
  font-size: 12.5px; font-weight: 600; color: var(--text-muted);
  background: var(--surface-2); border-radius: 20px; padding: 6px 12px;
}

.btn {
  border: none;
  border-radius: 8px;
  padding: 9px 14px;
  font-size: 14px;
  cursor: pointer;
  font-weight: 600;
  transition: background .15s, transform .05s;
}
.btn:active { transform: scale(0.97); }
.btn.primary { background: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-hover); }
.btn.ghost { background: var(--surface-2); color: var(--text); }
.btn.ghost:hover { background: var(--border); }
.btn.small { padding: 6px 10px; font-size: 12.5px; }
.file-label { display: inline-flex; align-items: center; cursor: pointer; margin-top: 6px; }

.dashboard-strip {
  display: flex; flex-wrap: wrap; gap: 10px;
  max-width: 1200px; margin: 18px auto 0; padding: 0 20px;
}
.dash-tile {
  flex: 1 1 130px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 9px 13px;
  box-shadow: var(--shadow);
  display: flex; flex-direction: column; gap: 1px;
}
.dash-tile.danger .stat-value { color: var(--danger); }
.dash-tile.highlight { background: linear-gradient(135deg, var(--primary), var(--primary-hover)); color: #fff; flex-basis: 170px; }
.dash-tile.highlight .stat-label { color: rgba(255,255,255,.85); }
.dash-tile .stat-label { font-size: 11px; color: var(--text-muted); }
.dash-tile .stat-value { font-size: 18px; font-weight: 700; }
.progress { height: 5px; background: rgba(255,255,255,.3); border-radius: 4px; margin-top: 6px; overflow: hidden; }
.progress-fill { height: 100%; background: #fff; width: 0%; transition: width .3s; }

.layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 22px;
  max-width: 1200px;
  margin: 16px auto 24px;
  padding: 0 20px;
}

.stats-panel { display: flex; flex-direction: column; gap: 12px; }

.legend {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  box-shadow: var(--shadow);
}
.legend h3 { margin: 0 0 10px; font-size: 13px; color: var(--text-muted); text-transform: uppercase; letter-spacing: .04em; }
details.legend summary {
  font-size: 13px; color: var(--text-muted); text-transform: uppercase; letter-spacing: .04em;
  cursor: pointer; list-style: none; display: flex; align-items: center; justify-content: space-between;
}
details.legend summary::-webkit-details-marker { display: none; }
details.legend summary::after { content: "▸"; font-size: 11px; transition: transform .15s; }
details.legend[open] summary::after { transform: rotate(90deg); }
details.legend[open] summary { margin-bottom: 10px; }
.legend-item { font-size: 12.5px; padding: 6px 8px; border-radius: 6px; margin-bottom: 6px; border-left: 3px solid; }
.legend-item b { display: block; font-size: 12.5px; }
.legend-item.q1 { border-color: var(--q1); background: var(--danger-bg); }
.legend-item.q2 { border-color: var(--q2); background: var(--surface-2); }
.legend-item.q3 { border-color: var(--q3); background: var(--warning-bg); }
.legend-item.q4 { border-color: var(--q4); background: var(--surface-2); }
.more-options { display: flex; flex-direction: column; gap: 8px; }

.area-chips { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.area-chip {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  width: 100%; text-align: left; font: inherit; font-size: 12.5px; color: var(--text);
  background: var(--surface-2); border: none; border-left: 3px solid var(--chip-color);
  border-radius: 6px; padding: 7px 9px; cursor: pointer;
}
.area-chip { font-size: 12px; padding: 7px 8px; }
.area-chip .chip-name { display: flex; align-items: center; gap: 6px; min-width: 0; }
.area-chip .chip-label { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.area-chip .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--chip-color); flex-shrink: 0; }
.area-chip .count { font-weight: 700; color: var(--text-muted); }
.area-chip.active { background: var(--border); border-left-width: 5px; font-weight: 700; }
.area-chip.active .count { color: var(--text); }

.content { min-width: 0; }
.toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-bottom: 16px; }
.filters { display: flex; flex-wrap: wrap; gap: 6px; }
.filter-btn {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-muted);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 12.5px;
  cursor: pointer;
  font-weight: 600;
}
.filter-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.sort-control { margin-left: auto; display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: var(--text-muted); }
.sort-control select {
  padding: 6px 8px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--surface); color: var(--text); font-size: 12.5px;
}

.task-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.task-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 5px solid var(--q4);
  border-radius: var(--radius);
  padding: 14px 16px;
  box-shadow: var(--shadow);
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.task-card.q1 { border-left-color: var(--q1); }
.task-card.q2 { border-left-color: var(--q2); }
.task-card.q3 { border-left-color: var(--q3); }
.task-card.q4 { border-left-color: var(--q4); }
.task-card.done { opacity: .6; }
.task-card.done .task-title { text-decoration: line-through; }
.task-card.overdue { background: var(--danger-bg); }

.check-btn {
  width: 24px; height: 24px; border-radius: 50%;
  border: 2px solid var(--border);
  background: transparent;
  cursor: pointer;
  flex-shrink: 0;
  margin-top: 2px;
  display: flex; align-items: center; justify-content: center;
  color: transparent;
  font-size: 13px;
}
.check-btn.checked { background: var(--success); border-color: var(--success); color: #fff; }

.task-body { flex: 1; min-width: 0; }
.task-top-row { display: flex; justify-content: space-between; gap: 8px; align-items: baseline; flex-wrap: wrap; }
.task-title { font-weight: 600; font-size: 15px; }
.task-desc { font-size: 13px; color: var(--text-muted); margin: 4px 0 0; }
.task-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; font-size: 12px; }
.badge { padding: 3px 9px; border-radius: 12px; font-weight: 600; }
.badge.quadrant.q1 { background: var(--danger-bg); color: var(--q1); }
.badge.quadrant.q2 { background: #e9eaff; color: var(--q2); }
.badge.quadrant.q3 { background: var(--warning-bg); color: var(--q3); }
.badge.quadrant.q4 { background: var(--surface-2); color: var(--q4); }
.badge.deadline { background: var(--surface-2); color: var(--text-muted); }
.badge.deadline.overdue { background: var(--danger); color: #fff; }
.badge.deadline.soon { background: var(--warning); color: #fff; }
.badge.category { background: var(--surface-2); color: var(--text-muted); }
.badge.area { background: var(--surface-2); color: var(--text); display: inline-flex; align-items: center; gap: 5px; }
.badge.area .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--area-color); flex-shrink: 0; }
.badge.recurrence { background: var(--surface-2); color: var(--primary); }
.priority-bar { width: 90px; height: 5px; border-radius: 3px; background: var(--surface-2); overflow: hidden; margin-top: 2px; }
.priority-bar-fill { height: 100%; background: var(--primary); }

.task-actions { display: flex; gap: 6px; flex-shrink: 0; }
.icon-btn {
  border: none; background: transparent; cursor: pointer; font-size: 15px;
  color: var(--text-muted); padding: 4px 6px; border-radius: 6px;
}
.icon-btn:hover { background: var(--surface-2); color: var(--text); }

.empty-state { text-align: center; color: var(--text-muted); padding: 60px 20px; }

.modal-overlay {
  position: fixed; inset: 0; background: rgba(10,10,20,.45);
  display: flex; align-items: center; justify-content: center; z-index: 100; padding: 20px;
}
.modal-overlay[hidden] { display: none; }
.modal {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 24px;
  width: 100%;
  max-width: 480px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: var(--shadow);
  max-height: 90vh;
  overflow-y: auto;
}
.modal h2 { margin: 0 0 4px; font-size: 18px; }
.modal label { font-size: 13px; font-weight: 600; display: flex; flex-direction: column; gap: 6px; color: var(--text-muted); }
.modal input[type="text"], .modal input[type="datetime-local"], .modal textarea, .modal select {
  border: 1px solid var(--border); border-radius: 8px; padding: 9px 10px;
  font-size: 14px; background: var(--bg); color: var(--text); font-family: inherit;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.toggle-group { display: flex; gap: 8px; }
.toggle-btn {
  flex: 1; padding: 9px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--surface-2); color: var(--text-muted); cursor: pointer; font-weight: 600; font-size: 13px;
}
.toggle-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.hint { font-size: 12px; color: var(--text-muted); margin: 0; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 6px; }

.toast-host {
  position: fixed; top: 80px; right: 20px; display: flex; flex-direction: column;
  gap: 10px; z-index: 200; max-width: 320px;
}
.toast {
  background: var(--surface); border: 1px solid var(--border); border-left: 4px solid var(--primary);
  border-radius: 10px; padding: 12px 14px; box-shadow: var(--shadow); font-size: 13px; animation: slidein .2s ease;
}
.toast.urgent { border-left-color: var(--danger); }
.toast b { display: block; margin-bottom: 2px; }
@keyframes slidein { from { transform: translateX(30px); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

@media (max-width: 800px) {
  .layout { grid-template-columns: 1fr; }
  .sort-control { margin-left: 0; width: 100%; }
}

/* Celulares: cabeçalho e controles empilham, alvos de toque ficam maiores. */
@media (max-width: 640px) {
  .topbar { flex-direction: column; align-items: stretch; gap: 12px; padding: 14px 16px; }
  .brand { gap: 10px; }
  .top-actions { flex-wrap: wrap; gap: 8px; }
  .top-actions .btn, .conn-badge, .user-badge { flex: 1 1 auto; text-align: center; }

  .layout { margin: 12px auto 16px; padding: 0 14px; gap: 16px; }
  .dashboard-strip { padding: 0 14px; gap: 8px; }
  .dash-tile { flex-basis: calc(50% - 4px); padding: 8px 10px; }
  .dash-tile.highlight { flex-basis: calc(50% - 4px); }
  .area-chips { grid-template-columns: 1fr; }

  .toolbar { gap: 10px; }
  #newTaskBtn { width: 100%; }
  .filters { width: 100%; }
  .filter-btn { padding: 8px 12px; }
  .sort-control select { flex: 1; }

  .task-card { padding: 12px; gap: 10px; }
  .check-btn { width: 28px; height: 28px; }
  .task-actions { flex-direction: column; }
  .icon-btn { padding: 8px; font-size: 16px; }

  .modal { padding: 20px; max-height: 92vh; }
  .form-row { grid-template-columns: 1fr; gap: 14px; }
  .modal-actions { flex-direction: column-reverse; }
  .modal-actions .btn { width: 100%; }

  .toast-host { left: 14px; right: 14px; top: auto; bottom: 14px; max-width: none; }
}