:root {
  --fondo: #f1f5f9;
  --tarjeta: #ffffff;
  --texto: #0f172a;
  --texto-suave: #64748b;
  --borde: #e2e8f0;
  --primario: #0e7490;
  --primario-osc: #155e75;
  --alta: #dc2626;
  --moderada: #d97706;
  --baja: #2563eb;
  --ok: #16a34a;
  --sombra: 0 1px 3px rgba(15, 23, 42, .08), 0 4px 16px rgba(15, 23, 42, .06);
  --radio: 14px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--fondo);
  color: var(--texto);
  font-size: 15px;
  line-height: 1.45;
}

/* ---------- barra superior ---------- */
.topbar {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  background: linear-gradient(135deg, #0e7490, #155e75);
  color: #fff; padding: 12px 20px;
  position: sticky; top: 0; z-index: 50;
  box-shadow: var(--sombra);
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-icon { font-size: 28px; }
.brand-title { font-weight: 800; font-size: 17px; letter-spacing: -.02em; }
.brand-sub { font-size: 11px; opacity: .85; margin-top: -2px; }
.nav { display: flex; gap: 4px; flex: 1; flex-wrap: wrap; }
.nav a {
  color: rgba(255,255,255,.85); text-decoration: none; font-weight: 600; font-size: 14px;
  padding: 8px 14px; border-radius: 10px; transition: background .15s;
}
.nav a:hover { background: rgba(255,255,255,.12); }
.nav a.on { background: rgba(255,255,255,.2); color: #fff; }
.userbox { display: flex; align-items: center; gap: 10px; }
.username { color: #fff; text-decoration: none; font-weight: 600; font-size: 13px; }
.username:hover { text-decoration: underline; }

.wrap { max-width: 980px; margin: 0 auto; padding: 20px 16px 60px; }
.foot { text-align: center; color: var(--texto-suave); font-size: 12px; padding: 24px 0 40px; }

/* ---------- botones e inputs ---------- */
.btn {
  border: 0; border-radius: 10px; font-family: inherit; font-weight: 600; font-size: 14px;
  padding: 10px 16px; cursor: pointer; transition: filter .15s, background .15s;
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  text-decoration: none; color: var(--texto);
}
.btn.primary { background: var(--primario); color: #fff; }
.btn.primary:hover { background: var(--primario-osc); }
.btn.ghost { background: rgba(15, 23, 42, .06); }
.btn.ghost:hover { background: rgba(15, 23, 42, .12); }
.topbar .btn.ghost { background: rgba(255,255,255,.15); color: #fff; }
.topbar .btn.ghost:hover { background: rgba(255,255,255,.25); }
.btn.small { padding: 6px 12px; font-size: 13px; }
.btn.big { padding: 14px; font-size: 16px; width: 100%; }
.icono { border: 0; background: none; cursor: pointer; font-size: 17px; opacity: .55; padding: 10px; border-radius: 8px; min-width: 40px; min-height: 40px; }
.icono:hover { opacity: 1; background: rgba(15,23,42,.06); }

.input {
  font-family: inherit; font-size: 16px; color: var(--texto);
  border: 1.5px solid var(--borde); border-radius: 10px; padding: 10px 12px;
  background: #fff; width: 100%;
}
.input:focus { outline: none; border-color: var(--primario); box-shadow: 0 0 0 3px rgba(14, 116, 144, .15); }
.grow { flex: 1; min-width: 160px; }

/* ---------- stats ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 16px; }
.stat { background: var(--tarjeta); border-radius: var(--radio); padding: 12px; text-align: center; box-shadow: var(--sombra); }
.stat-n { font-size: 26px; font-weight: 800; letter-spacing: -.03em; }
.stat-l { font-size: 11.5px; color: var(--texto-suave); font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
.stat.rojo .stat-n { color: var(--alta); }
.stat.ambar .stat-n { color: var(--moderada); }

/* ---------- toolbar ---------- */
.toolbar { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; align-items: center; }
.toolbar .input { width: auto; }

/* ---------- lista de tareas ---------- */
.lista { display: flex; flex-direction: column; gap: 10px; }
.tarea {
  display: flex; align-items: flex-start; gap: 12px;
  background: var(--tarjeta); border-radius: var(--radio); padding: 14px;
  box-shadow: var(--sombra); border-left: 5px solid var(--borde);
}
.tarea.urg-alta { border-left-color: var(--alta); }
.tarea.urg-moderada { border-left-color: var(--moderada); }
.tarea.urg-baja { border-left-color: var(--baja); }
.tarea.completada { opacity: .55; }
.tarea.completada .tarea-titulo { text-decoration: line-through; }

.check {
  width: 32px; height: 32px; min-width: 32px; border-radius: 50%;
  border: 2px solid #cbd5e1; background: #fff; cursor: pointer;
  font-size: 16px; font-weight: 800; color: #fff; line-height: 1; margin-top: 2px;
}
.check:hover { border-color: var(--ok); }
.check.ok { background: var(--ok); border-color: var(--ok); }

.tarea-cuerpo { flex: 1; cursor: pointer; min-width: 0; }
.tarea-titulo { font-weight: 700; font-size: 15px; }
.tarea-detalle { color: var(--texto-suave); font-size: 13.5px; margin-top: 2px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.tarea-meta { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
.tarea-acciones { display: flex; align-items: center; gap: 4px; }

.chip {
  font-size: 12px; font-weight: 600; padding: 3px 9px; border-radius: 99px;
  background: rgba(15, 23, 42, .06); color: var(--texto-suave); white-space: nowrap;
}
.chip.urg-chip-alta { background: #fee2e2; color: #b91c1c; }
.chip.urg-chip-moderada { background: #fef3c7; color: #b45309; }
.chip.urg-chip-baja { background: #dbeafe; color: #1d4ed8; }
.chip.wa { background: #dcfce7; color: #15803d; }
.chip.fecha.hoy { background: #fef3c7; color: #b45309; }
.chip.fecha.vencida { background: #fee2e2; color: #b91c1c; }
.chip.proceso { background: #e0e7ff; color: #4338ca; }
.chip.admin { background: #cffafe; color: #0e7490; }

.vacio { text-align: center; padding: 60px 0; color: var(--texto-suave); }
.vacio-icon { font-size: 48px; }

/* ---------- tarjetas genéricas ---------- */
.card { background: var(--tarjeta); border-radius: var(--radio); padding: 20px; box-shadow: var(--sombra); margin-bottom: 16px; }
.card h2 { margin: 0 0 14px; font-size: 17px; letter-spacing: -.01em; }
.card.estrecho { max-width: 440px; margin: 24px auto; }
.nota { color: var(--texto-suave); font-size: 12.5px; margin: 10px 0 0; }

/* ---------- modal ---------- */
.modal {
  border: 0; border-radius: 16px; padding: 22px; width: min(480px, calc(100vw - 32px));
  box-shadow: 0 24px 64px rgba(15, 23, 42, .3);
}
.modal::backdrop { background: rgba(15, 23, 42, .45); }
.modal h2 { margin: 0 0 14px; font-size: 18px; }
.modal label { display: block; font-size: 13px; font-weight: 600; color: var(--texto-suave); margin-bottom: 12px; }
.modal label .input, .modal label input, .modal label select, .modal label textarea { margin-top: 5px; }
.fila { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.modal-botones { display: flex; justify-content: flex-end; gap: 8px; margin-top: 6px; }
.det-detalle { color: var(--texto-suave); }

/* ---------- equipo ---------- */
.fila-form { display: flex; gap: 8px; flex-wrap: wrap; }
.fila-form .input { width: auto; flex: 1; min-width: 150px; }
.miembro {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 12px 4px; border-bottom: 1px solid var(--borde); flex-wrap: wrap;
}
.miembro:last-child { border-bottom: 0; }
.miembro.inactivo { opacity: .5; }
.miembro-nombre { font-weight: 700; }
.miembro-email { color: var(--texto-suave); font-size: 13px; }
.miembro-acciones { display: flex; gap: 6px; flex-wrap: wrap; }

/* ---------- login ---------- */
.login-body {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(160deg, #0e7490 0%, #155e75 55%, #0f172a 100%);
  padding: 16px;
}
.login-card {
  background: #fff; border-radius: 20px; padding: 36px 32px; width: min(400px, 100%);
  box-shadow: 0 24px 64px rgba(0, 0, 0, .35); text-align: center;
}
.login-logo { font-size: 52px; }
.login-card h1 { margin: 8px 0 2px; font-size: 26px; letter-spacing: -.03em; }
.login-sub { color: var(--texto-suave); margin: 0 0 22px; font-size: 14px; }
.login-form { text-align: left; }
.login-form label { display: block; font-size: 13px; font-weight: 600; color: var(--texto-suave); margin-bottom: 14px; }
.login-form input { margin-top: 5px; font-family: inherit; font-size: 16px; border: 1.5px solid var(--borde); border-radius: 10px; padding: 12px; width: 100%; }
.login-form input:focus { outline: none; border-color: var(--primario); box-shadow: 0 0 0 3px rgba(14,116,144,.15); }

.alert { background: #fee2e2; color: #b91c1c; border-radius: 10px; padding: 10px 14px; font-size: 13.5px; font-weight: 600; margin-bottom: 14px; }
.alert.ok { background: #dcfce7; color: #15803d; }

/* ---------- calendario ---------- */
#calendario { font-size: 13.5px; }
.fc .fc-toolbar { flex-wrap: wrap; gap: 8px; }
.contacto {
  background: #dcfce7; color: #15803d; border-radius: 10px; padding: 10px 12px;
  font-size: 13.5px; margin-bottom: 12px;
}
.contacto a { color: #15803d; font-weight: 700; }
.username { color: #fff; font-weight: 600; font-size: 13px; max-width: 140px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.fc .fc-button-primary { background: var(--primario); border-color: var(--primario); }
.fc .fc-button-primary:not(:disabled):hover { background: var(--primario-osc); border-color: var(--primario-osc); }
.fc .fc-toolbar-title { font-size: 18px; font-weight: 800; letter-spacing: -.02em; }
.fc-event { cursor: pointer; }

/* ---------- móvil ---------- */
@media (max-width: 700px) {
  .topbar { padding: 10px 12px; gap: 8px; }
  .brand-sub { display: none; }
  .nav { order: 3; width: 100%; justify-content: space-around; }
  .nav a { padding: 8px 10px; font-size: 13px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .toolbar .input { flex: 1; min-width: 45%; }
  .tarea { flex-wrap: wrap; }
  .tarea-acciones { width: 100%; justify-content: flex-end; }
  .fila { grid-template-columns: 1fr; }
  .fila-form .input { min-width: 100%; }
}