/* ============================================================
   Tablero de Control · Flujo de Trabajo GADU
   Herramienta independiente (no forma parte de "Gestión GADU").
   ============================================================ */

:root {
  color-scheme: light;
  --bg: #eef2f7;
  --surface: #ffffff;
  --border: #e2e8f0;
  --text: #0f172a;
  --muted: #64748b;
  --text-soft: #334155;
  --accent: #4f46e5;
  --soft: #f8fafc;
  --soft-2: #eef2f7;
  --soft-3: #f1f5f9;
  --soft-4: #e2e8f0;
  --radius: 14px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 6px 18px rgba(15, 23, 42, 0.10);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
  background:
    radial-gradient(1100px 460px at 88% -8%, rgba(79, 70, 229, 0.12), transparent 60%),
    var(--bg);
  color: var(--text);
  min-height: 100vh;
}

[hidden] { display: none !important; }
button, input, select, textarea { font-family: inherit; }

/* ---------- Cabecera ---------- */
.app-header {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 55%, #312e81 100%);
  color: #ffffff;
  padding: 20px 24px;
  box-shadow: 0 4px 18px rgba(15, 23, 42, 0.25);
}
.header-inner {
  max-width: 1440px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand-icon {
  font-size: 26px;
  width: 52px; height: 52px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255, 255, 255, 0.10);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 14px;
}
.brand h1 { margin: 0; font-size: 20px; letter-spacing: 0.2px; }
.brand p { margin: 2px 0 0; font-size: 13px; color: #cbd5e1; }
.header-actions { display: flex; gap: 10px; flex-wrap: wrap; }

.btn {
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 9px 16px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.12s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 4px 12px rgba(79, 70, 229, 0.40); }
.btn-primary:hover { background: #4338ca; }
.btn-ghost { background: rgba(255, 255, 255, 0.08); color: var(--soft-4); border-color: rgba(255, 255, 255, 0.22); }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.16); }
.btn-secondary { background: var(--soft-3); color: var(--text-soft); border-color: var(--border); }
.btn-secondary:hover { background: var(--soft-4); }

/* ---------- Contenedor ---------- */
.container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 20px 24px 8px;
}

/* ---------- Resumen general ---------- */
.summary {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 16px 18px;
  margin-bottom: 16px;
}
.stats {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}
.stat {
  background: var(--soft);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  text-align: center;
}
.stat-value { display: block; font-size: 22px; font-weight: 800; }
.stat-label { display: block; font-size: 12px; color: var(--muted); margin-top: 2px; }
.stat-todo .stat-value { color: #64748b; }
.stat-doing .stat-value { color: #d97706; }
.stat-done .stat-value { color: #16a34a; }

.progressbar {
  height: 10px;
  background: var(--soft-4);
  border-radius: 999px;
  overflow: hidden;
  margin: 14px 0 6px;
}
.progressbar-fill {
  height: 100%;
  background: linear-gradient(90deg, #4f46e5, #22c55e);
  border-radius: 999px;
  transition: width 0.3s ease;
}

.modules {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 10px;
  margin-top: 10px;
}
.module-stat {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
}
.module-stat-head { display: flex; align-items: center; gap: 8px; }
.module-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--mod-color); flex: none; }
.module-name { flex: 1; font-size: 12.5px; font-weight: 600; }
.module-count { font-size: 12px; color: var(--muted); font-variant-numeric: tabular-nums; }
.mini-bar { height: 6px; background: var(--soft-2); border-radius: 999px; margin-top: 8px; overflow: hidden; }
.mini-fill { height: 100%; background: var(--mod-color); border-radius: 999px; transition: width 0.3s ease; }

/* ---------- Barra de controles ---------- */
.toolbar {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 12px 14px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.toolbar-search { position: relative; flex: 1; min-width: 220px; }
.search-icon { position: absolute; left: 11px; top: 50%; transform: translateY(-50%); font-size: 14px; }
.toolbar-search input {
  width: 100%;
  padding: 9px 12px 9px 34px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 14px;
  background: var(--soft);
}
.toolbar-search input:focus { outline: 2px solid rgba(79, 70, 229, 0.35); background: #fff; }
.toolbar select {
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 14px;
  background: var(--soft);
  max-width: 320px;
}
.toolbar-hint { margin-left: auto; font-size: 12.5px; color: var(--muted); }

/* ---------- Tablero ---------- */
.board {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  align-items: start;
}

.column {
  background: var(--soft);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  transition: box-shadow 0.15s ease, border-color 0.15s ease;
}
.column.drag-over {
  border-color: var(--col);
  box-shadow: 0 0 0 2px var(--col), var(--shadow-md);
}
.column-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 13px 15px;
  border-bottom: 3px solid var(--col);
  background: var(--surface);
}
.column-title { display: flex; align-items: center; gap: 9px; }
.column-icon { font-size: 19px; }
.column-title h2 { margin: 0; font-size: 14.5px; font-weight: 700; }
.column-count {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--col);
  background: color-mix(in srgb, var(--col) 13%, white);
  border-radius: 999px;
  padding: 3px 11px;
}
.column-body {
  padding: 11px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 160px;
}
.empty {
  border: 2px dashed var(--border);
  border-radius: 12px;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
  padding: 28px 14px;
  margin: 0;
  line-height: 1.6;
}

/* ---------- Tarjeta ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  box-shadow: var(--shadow-sm);
  cursor: grab;
  transition: transform 0.12s ease, box-shadow 0.12s ease, opacity 0.12s ease;
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-1px); }
.card:active { cursor: grabbing; }
.card.dragging { opacity: 0.45; transform: rotate(1deg); }
.card.verified { border-color: #86efac; box-shadow: 0 0 0 2px rgba(34, 197, 94, 0.25); }

.card-top { display: flex; align-items: center; gap: 8px; }
.chip-code {
  font-family: Consolas, "Cascadia Mono", monospace;
  font-size: 11.5px;
  font-weight: 700;
  color: var(--text-soft);
  background: var(--soft-3);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 2px 8px;
  flex: none;
}
.chip-module {
  font-size: 11px;
  font-weight: 700;
  color: var(--mod-color);
  background: color-mix(in srgb, var(--mod-color) 12%, white);
  border-radius: 7px;
  padding: 2px 8px;
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.icon-btn {
  border: none;
  background: transparent;
  color: #94a3b8;
  font-size: 13px;
  cursor: pointer;
  border-radius: 6px;
  padding: 3px 6px;
  line-height: 1;
  flex: none;
}
.icon-btn:hover { color: #dc2626; background: rgba(220, 38, 38, 0.10); }

.card-title { margin: 9px 0 0; font-size: 14px; line-height: 1.45; }

.card-actions { display: flex; align-items: center; gap: 8px; margin-top: 10px; }
.move-btn {
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--muted);
  font-size: 12px;
  cursor: pointer;
  flex: none;
  transition: border-color 0.12s ease, color 0.12s ease;
}
.move-btn:hover { border-color: var(--accent); color: var(--accent); }
.toggle-btn {
  flex: 1;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  border: 1px dashed var(--border);
  border-radius: 8px;
  background: var(--soft);
  color: var(--muted);
  font-size: 12.5px;
  cursor: pointer;
  padding: 6px 10px;
}
.toggle-btn:hover { border-style: solid; color: var(--text); }
.checks-badge {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-soft);
  background: var(--soft-4);
  border-radius: 999px;
  padding: 2px 8px;
}
.verified .checks-badge { background: #22c55e; color: #fff; }

.card-details {
  display: none;
  border-top: 1px dashed var(--border);
  margin-top: 10px;
  padding-top: 10px;
}
.card.expanded .card-details { display: block; }

.checklist { display: flex; flex-direction: column; }
.check-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 12.5px;
  line-height: 1.4;
  padding: 3px 0;
  cursor: pointer;
  color: var(--text-soft);
}
.check-item input {
  margin-top: 2px;
  accent-color: var(--mod-color);
  flex: none;
}
.check-item input:checked + span { text-decoration: line-through; color: var(--muted); }

.note {
  width: 100%;
  margin-top: 10px;
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 8px 10px;
  font-size: 12.5px;
  line-height: 1.45;
  resize: vertical;
  min-height: 62px;
  background: var(--soft);
}
.note:focus { outline: 2px solid rgba(79, 70, 229, 0.35); background: #fff; }

/* ---------- Modal ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(3px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 500;
}
.modal {
  background: var(--surface);
  border-radius: 16px;
  box-shadow: var(--shadow-md);
  width: 100%;
  max-width: 520px;
  padding: 22px;
  max-height: 90vh;
  overflow: auto;
}
.modal h2 { margin: 0 0 6px; font-size: 18px; }
.modal label { display: block; margin: 13px 0 5px; font-size: 12.5px; font-weight: 600; color: var(--text-soft); }
.modal input, .modal select, .modal textarea {
  width: 100%;
  padding: 9px 11px;
  border: 1px solid var(--border);
  border-radius: 9px;
  font-size: 14px;
  background: var(--soft);
  color: var(--text);
}
.modal input:focus, .modal select:focus, .modal textarea:focus { outline: 2px solid rgba(79, 70, 229, 0.35); }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }

/* ---------- Toast y pie ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 26px;
  transform: translateX(-50%);
  background: #0f172a;
  color: #fff;
  font-size: 13.5px;
  padding: 10px 18px;
  border-radius: 999px;
  box-shadow: var(--shadow-md);
  z-index: 1000;
  max-width: min(90vw, 560px);
}
.app-footer {
  text-align: center;
  color: var(--muted);
  font-size: 12.5px;
  padding: 16px 20px 22px;
}

/* ---------- Responsivo ---------- */
@media (max-width: 1080px) {
  .board { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); }
  .toolbar-hint { margin-left: 0; width: 100%; }
}
@media (max-width: 560px) {
  .container { padding: 14px 12px 6px; }
  .app-header { padding: 16px; }
  .brand-icon { width: 44px; height: 44px; font-size: 22px; }
  .brand h1 { font-size: 17px; }
  .toolbar select { max-width: 100%; width: 100%; }
}

/* ---------- Modal: fila módulo/columna ---------- */
.form-row { display: flex; gap: 12px; flex-wrap: wrap; }
.form-row > div { flex: 1; min-width: 150px; }
.form-row select { width: 100%; }

/* ---------- Editar / descripción en tarjeta ---------- */
.icon-btn.edit:hover { color: #2563eb; background: rgba(37, 99, 235, 0.12); }
.card-desc {
  margin: 6px 0 0;
  font-size: 12.5px;
  line-height: 1.4;
  color: var(--muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.details-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  color: #94a3b8;
  margin: 4px 0 6px;
}
.details-label.push { margin-top: 12px; }

/* ---------- Checklists dinámicos (subtareas) ---------- */
.check-item {
  display: flex;
  align-items: flex-start;
  gap: 6px;
  padding: 3px 0;
  font-size: 12.5px;
  line-height: 1.4;
}
.check-label {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  flex: 1;
  min-width: 0;
  cursor: pointer;
  color: var(--text-soft);
}
.check-label input { margin-top: 2px; accent-color: var(--mod-color); flex: none; }
.check-label input:checked + span { text-decoration: line-through; color: var(--muted); }
.check-label span { word-break: break-word; }
.remove-check {
  flex: none;
  border: none;
  background: transparent;
  color: #94a3b8;
  font-size: 11px;
  line-height: 1.5;
  cursor: pointer;
  border-radius: 5px;
  padding: 0 6px;
  visibility: hidden;
}
.check-item:hover .remove-check { visibility: visible; }
.remove-check:hover { color: #dc2626; background: #fef2f2; }
.checks-empty {
  margin: 2px 0 6px;
  font-size: 12px;
  color: #94a3b8;
  font-style: italic;
}
.add-check-row { display: flex; gap: 6px; margin-top: 8px; }
.add-check-input {
  flex: 1;
  min-width: 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 9px;
  font-size: 12.5px;
  background: var(--soft);
}
.add-check-input:focus { outline: 2px solid rgba(79, 70, 229, 0.35); background: #fff; }
.add-check-btn {
  flex: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  padding: 6px 10px;
  white-space: nowrap;
}
.add-check-btn:hover { color: var(--accent); border-color: var(--accent); }

@media (hover: none) {
  .remove-check { visibility: visible; }
}

/* ============================================================
   MODO NOCHE (alternancia día / noche)
   ============================================================ */
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0b1220;
  --surface: #161f31;
  --border: #2b3a55;
  --text: #e5eaf3;
  --muted: #93a3bb;
  --text-soft: #cbd5e1;
  --accent: #818cf8;
  --soft: #1b2740;
  --soft-2: #111a2b;
  --soft-3: #223049;
  --soft-4: #33415e;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.40);
  --shadow-md: 0 6px 18px rgba(0, 0, 0, 0.50);
}
:root[data-theme] body,
:root[data-theme] .column,
:root[data-theme] .summary,
:root[data-theme] .toolbar,
:root[data-theme] .card,
:root[data-theme] .stat,
:root[data-theme] .module-stat {
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
:root[data-theme="dark"] body {
  background:
    radial-gradient(1100px 460px at 88% -8%, rgba(129, 140, 248, 0.16), transparent 60%),
    var(--bg);
}
:root[data-theme="dark"] .app-header {
  background: linear-gradient(135deg, #0d1526 0%, #182238 55%, #221d52 100%);
}
:root[data-theme="dark"] .btn-ghost { color: #cbd5e1; border-color: rgba(255, 255, 255, 0.25); }
:root[data-theme="dark"] .btn-ghost:hover { background: rgba(255, 255, 255, 0.18); }
:root[data-theme="dark"] .stat-todo .stat-value { color: #94a3b8; }
:root[data-theme="dark"] .stat-doing .stat-value { color: #fbbf24; }
:root[data-theme="dark"] .stat-done .stat-value { color: #4ade80; }
:root[data-theme="dark"] .chip-module {
  background: color-mix(in srgb, var(--mod-color) 22%, transparent);
  color: color-mix(in srgb, var(--mod-color) 60%, white);
}
:root[data-theme="dark"] .column-count {
  background: color-mix(in srgb, var(--col) 26%, transparent);
}
:root[data-theme="dark"] .note::placeholder,
:root[data-theme="dark"] .add-check-input::placeholder,
:root[data-theme="dark"] .modal input::placeholder,
:root[data-theme="dark"] .modal textarea::placeholder,
:root[data-theme="dark"] .toolbar-search input::placeholder {
  color: #7c8aa3;
}

/* ============================================================
   MÓDULOS INTERACTIVOS · PRIORIDAD · NOTA IA · VALIDACIÓN OBLIGATORIA
   ============================================================ */
.module-stat {
  cursor: pointer;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
}
.module-stat:hover {
  border-color: var(--mod-color);
  box-shadow: 0 0 0 1px var(--mod-color);
}
.module-stat.active {
  background: color-mix(in srgb, var(--mod-color) 10%, transparent);
  border-color: var(--mod-color);
  box-shadow: 0 0 0 1px var(--mod-color);
}
.module-stat:focus-visible { outline: 2px solid var(--mod-color); outline-offset: 2px; }

/* ---------- Prioridad ---------- */
.prio-badge {
  flex: none;
  font-size: 10.5px;
  font-weight: 700;
  border-radius: 999px;
  padding: 2px 8px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.1s ease;
}
.prio-badge:hover { transform: scale(1.06); }
.prio-badge:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.prio-normal { color: var(--muted); background: var(--soft-4); }
.prio-alta {
  color: #dc2626;
  background: rgba(220, 38, 38, 0.12);
  border-color: rgba(220, 38, 38, 0.35);
}

/* ---------- Subtarea obligatoria ---------- */
.check-item.required .check-label span { font-weight: 600; }
.req-chip {
  flex: none;
  font-size: 9.5px;
  font-weight: 700;
  color: #b45309;
  background: rgba(245, 158, 11, 0.15);
  border-radius: 5px;
  padding: 1px 5px;
  white-space: nowrap;
  margin-left: 4px;
}
.check-item.flash { animation: req-flash 1.2s ease; }
@keyframes req-flash {
  0% { background: rgba(245, 158, 11, 0.30); }
  100% { background: transparent; }
}

/* ---------- Nota IA y copiar prompt ---------- */
.ai-note { border-color: color-mix(in srgb, var(--mod-color) 35%, var(--border)); }
.copy-btn {
  width: 100%;
  margin-top: 6px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  padding: 6px 10px;
}
.copy-btn:hover { color: var(--accent); border-color: var(--accent); }