/* ============================================================
   MediSync — Sistema de Gestión de Equipamiento Médico
   Paleta: azul oscuro institucional + azul + blanco + gris claro
   ============================================================ */

:root {
  --azul-oscuro: #0b2f4f;
  --azul-oscuro-2: #123c63;
  --azul: #1d6fb8;
  --azul-claro: #eaf3fb;
  --azul-medio: #4a8fc7;
  --blanco: #ffffff;
  --gris-50: #f7f9fb;
  --gris-100: #eef1f5;
  --gris-200: #e2e6ec;
  --gris-300: #cbd2dc;
  --gris-500: #8592a3;
  --gris-700: #4b5768;
  --gris-900: #1f2733;
  --verde: #1f9d63;
  --verde-bg: #e6f6ee;
  --amarillo: #b7791f;
  --amarillo-bg: #fdf3dc;
  --rojo: #c53838;
  --rojo-bg: #fbe9e9;
  --azul-badge-bg: #e6f0fb;
  --radius: 10px;
  --sombra: 0 1px 3px rgba(11,47,79,.08), 0 1px 2px rgba(11,47,79,.06);
  --sombra-md: 0 6px 20px rgba(11,47,79,.10);
  --fuente: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--fuente);
  background: var(--gris-50);
  color: var(--gris-900);
  font-size: 14.5px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--azul); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3 { font-weight: 700; color: var(--azul-oscuro); letter-spacing: -0.01em; }
h1 { font-size: 1.6rem; margin: 0 0 4px; }
h2 { font-size: 1.05rem; margin: 0 0 14px; }
h3 { font-size: 0.95rem; margin: 0 0 8px; }
.mt-0 { margin-top: 0; }
.subtitle { color: var(--gris-700); font-size: 0.92rem; }
.small { font-size: 0.82rem; }
.muted { color: var(--gris-500); }

/* ---------- Layout general ---------- */
.app-shell { display: flex; min-height: 100vh; }

.sidebar {
  width: 240px;
  flex-shrink: 0;
  background: linear-gradient(180deg, var(--azul-oscuro) 0%, var(--azul-oscuro-2) 100%);
  color: var(--blanco);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
}

.brand {
  display: flex;
  align-items: center;
  padding: 18px 18px;
  border-bottom: 1px solid rgba(255,255,255,.12);
}
.brand-logo-full {
  width: 100%;
  max-height: 56px;
  object-fit: contain;
  object-position: left center;
  display: block;
}

.sidebar nav { padding: 14px 10px; flex: 1; display: flex; flex-direction: column; gap: 2px; }
.sidebar nav a {
  color: rgba(255,255,255,.78);
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 0.92rem;
  font-weight: 500;
  text-decoration: none;
  transition: background .12s ease, color .12s ease;
}
.sidebar nav a:hover { background: rgba(255,255,255,.08); color: #fff; text-decoration: none; }
.sidebar nav a.active { background: var(--azul); color: #fff; }
.nav-section-label {
  padding: 14px 12px 4px; font-size: 0.68rem; text-transform: uppercase;
  letter-spacing: .06em; color: rgba(255,255,255,.4); font-weight: 700;
}

.sidebar-footer { padding: 14px 16px; border-top: 1px solid rgba(255,255,255,.12); }
.usuario-box { margin-bottom: 10px; }
.usuario-box .u-nombre { color: #fff; font-weight: 600; font-size: 0.88rem; }
.usuario-box .u-rol { color: rgba(255,255,255,.55); font-size: 0.75rem; }
.btn-logout {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(255,255,255,.08); color: rgba(255,255,255,.85);
  border: none; padding: 7px 10px; border-radius: 7px; font-size: 0.8rem;
  cursor: pointer; width: 100%; justify-content: center;
}
.btn-logout:hover { background: rgba(255,255,255,.16); }

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.topbar {
  background: var(--blanco);
  border-bottom: 1px solid var(--gris-200);
  padding: 14px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.topbar form { flex: 1; max-width: 520px; }
.topbar input[type="search"] {
  width: 100%; padding: 9px 14px; border-radius: 8px;
  border: 1px solid var(--gris-300); background: var(--gris-50);
  font-size: 0.88rem;
}
.topbar input[type="search"]:focus { outline: none; border-color: var(--azul); background: #fff; }

.modo-consulta-badge {
  background: var(--azul-claro); color: var(--azul-oscuro);
  padding: 6px 12px; border-radius: 20px; font-size: 0.78rem; font-weight: 700;
  white-space: nowrap;
}

.content { padding: 26px 32px 60px; max-width: 1280px; width: 100%; margin: 0 auto; }

/* ---------- Encabezados de página ---------- */
.page-header {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 16px; margin-bottom: 22px; flex-wrap: wrap;
}
.btn-row { display: flex; gap: 10px; flex-wrap: wrap; }

/* ---------- Tarjetas ---------- */
.card {
  background: var(--blanco);
  border: 1px solid var(--gris-200);
  border-radius: var(--radius);
  padding: 22px;
  margin-bottom: 20px;
  box-shadow: var(--sombra);
}
.two-col { display: grid; grid-template-columns: 1.3fr 1fr; gap: 20px; align-items: start; }
@media (max-width: 900px) { .two-col { grid-template-columns: 1fr; } }

.section-title { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.section-title h2 { margin: 0; }

/* ---------- KPIs ---------- */
.kpi-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 14px; margin-bottom: 24px;
}
.kpi {
  background: var(--blanco); border: 1px solid var(--gris-200); border-radius: var(--radius);
  padding: 16px 18px; box-shadow: var(--sombra);
  border-left: 4px solid var(--azul);
}
.kpi .num { font-size: 1.7rem; font-weight: 800; color: var(--azul-oscuro); line-height: 1.1; }
.kpi .label { font-size: 0.78rem; color: var(--gris-700); margin-top: 4px; font-weight: 500; }
.kpi.ok { border-left-color: var(--verde); }
.kpi.ok .num { color: var(--verde); }
.kpi.alerta { border-left-color: var(--rojo); }
.kpi.alerta .num { color: var(--rojo); }
.kpi.aviso { border-left-color: var(--amarillo); }
.kpi.aviso .num { color: var(--amarillo); }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 16px; border-radius: 8px; border: 1px solid transparent;
  font-size: 0.86rem; font-weight: 600; cursor: pointer; text-decoration: none;
  transition: background .12s ease, border-color .12s ease, transform .05s ease;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--azul); color: #fff; }
.btn-primary:hover { background: var(--azul-oscuro-2); }
.btn-secondary { background: var(--blanco); color: var(--azul-oscuro); border-color: var(--gris-300); }
.btn-secondary:hover { background: var(--gris-100); }
.btn-danger { background: var(--rojo); color: #fff; }
.btn-danger:hover { background: #a72d2d; }
.btn-sm { padding: 6px 11px; font-size: 0.78rem; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* ---------- Formularios ---------- */
label { display: block; font-size: 0.82rem; font-weight: 600; color: var(--gris-700); margin: 12px 0 5px; }
label:first-child { margin-top: 0; }
input[type="text"], input[type="date"], input[type="number"], input[type="search"],
input[type="password"], input[type="file"], select, textarea {
  width: 100%; padding: 9px 11px; border-radius: 8px; border: 1px solid var(--gris-300);
  font-size: 0.88rem; font-family: inherit; background: #fff; color: var(--gris-900);
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--azul); box-shadow: 0 0 0 3px var(--azul-claro); }
input[readonly], input:disabled { background: var(--gris-100); color: var(--gris-700); }
textarea { min-height: 74px; resize: vertical; }

.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 4px 18px; }
.form-grid .field-full { grid-column: 1 / -1; }
@media (max-width: 700px) { .form-grid { grid-template-columns: 1fr; } }

.form-actions { margin-top: 20px; display: flex; gap: 10px; }

.filters { display: flex; gap: 14px; flex-wrap: wrap; align-items: flex-end; padding: 16px 22px; }
.filters .field { min-width: 160px; }
.filters label { margin: 0 0 5px; }

/* ---------- Tablas ---------- */
table { width: 100%; border-collapse: collapse; font-size: 0.87rem; }
thead th {
  text-align: left; font-size: 0.72rem; text-transform: uppercase; letter-spacing: .04em;
  color: var(--gris-500); font-weight: 700; padding: 10px 16px; border-bottom: 1px solid var(--gris-200);
  background: var(--gris-50);
}
tbody td { padding: 12px 16px; border-bottom: 1px solid var(--gris-100); vertical-align: middle; }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--gris-50); }
.table-empty { padding: 32px 22px; text-align: center; color: var(--gris-500); font-size: 0.88rem; }

/* ---------- Badges ---------- */
.badge {
  display: inline-block; padding: 3px 10px; border-radius: 20px;
  font-size: 0.72rem; font-weight: 700; white-space: nowrap;
}
.badge-verde { background: var(--verde-bg); color: var(--verde); }
.badge-rojo { background: var(--rojo-bg); color: var(--rojo); }
.badge-amarillo { background: var(--amarillo-bg); color: var(--amarillo); }
.badge-azul { background: var(--azul-badge-bg); color: var(--azul); }
.badge-gris { background: var(--gris-100); color: var(--gris-700); }
.badge-oscuro { background: var(--azul-oscuro); color: #fff; }

.tag-list { display: flex; gap: 8px; flex-wrap: wrap; }

/* ---------- Ficha de equipo ---------- */
.ficha-header {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 16px; margin-bottom: 14px; flex-wrap: wrap;
}
.ficha-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 22px; }
.ficha-info { display: grid; grid-template-columns: 1fr; gap: 0; }
.ficha-info dt { font-size: 0.74rem; text-transform: uppercase; letter-spacing: .04em; color: var(--gris-500); margin-top: 12px; font-weight: 700; }
.ficha-info dt:first-child { margin-top: 0; }
.ficha-info dd { margin: 2px 0 0; font-size: 0.92rem; color: var(--gris-900); }

/* ---------- Línea de tiempo (historial) ---------- */
.timeline { position: relative; padding-left: 22px; }
.timeline::before { content: ''; position: absolute; left: 6px; top: 4px; bottom: 4px; width: 2px; background: var(--gris-200); }
.timeline-item { position: relative; padding-bottom: 20px; }
.timeline-item::before {
  content: ''; position: absolute; left: -22px; top: 3px; width: 11px; height: 11px;
  border-radius: 50%; background: var(--azul); border: 2px solid #fff; box-shadow: 0 0 0 1px var(--gris-300);
}
.timeline-item:last-child { padding-bottom: 0; }
.timeline-tipo { font-size: 0.68rem; text-transform: uppercase; letter-spacing: .05em; color: var(--azul); font-weight: 800; }
.timeline-date { font-size: 0.76rem; color: var(--gris-500); font-weight: 600; }
.timeline-title { font-size: 0.9rem; font-weight: 600; color: var(--gris-900); margin: 2px 0; }
.timeline-detail { font-size: 0.83rem; color: var(--gris-700); }

/* ---------- Modales ---------- */
.modal-overlay {
  display: none; position: fixed; inset: 0; background: rgba(11,47,79,.45);
  align-items: center; justify-content: center; z-index: 100; padding: 20px;
}
.modal-overlay.open { display: flex; }
.modal {
  background: #fff; border-radius: 14px; padding: 26px; width: 100%; max-width: 460px;
  box-shadow: var(--sombra-md); position: relative; max-height: 88vh; overflow-y: auto;
}
.modal-close {
  position: absolute; top: 14px; right: 16px; background: none; border: none;
  font-size: 1.4rem; color: var(--gris-500); cursor: pointer; line-height: 1;
}
.modal-close:hover { color: var(--gris-900); }
.modal-warning {
  background: var(--rojo-bg); color: var(--rojo); padding: 10px 12px; border-radius: 8px;
  font-size: 0.82rem; margin-bottom: 14px;
}

/* ---------- Mensajes flash ---------- */
.flash { padding: 12px 16px; border-radius: 8px; font-size: 0.88rem; margin-bottom: 18px; font-weight: 500; }
.flash-success { background: var(--verde-bg); color: var(--verde); }
.flash-error { background: var(--rojo-bg); color: var(--rojo); }

/* ---------- Login ---------- */
.login-shell {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(160deg, var(--azul-oscuro) 0%, var(--azul-oscuro-2) 55%, var(--azul) 100%);
  padding: 20px;
}
.login-card {
  background: #fff; border-radius: 16px; padding: 40px 36px; width: 100%; max-width: 380px;
  box-shadow: 0 20px 60px rgba(0,0,0,.25);
}
.login-brand { display: flex; flex-direction: column; align-items: center; margin-bottom: 26px; text-align: center; }
.login-logo-full { width: 100%; max-width: 260px; max-height: 100px; object-fit: contain; }
.login-brand .brand-name { font-size: 1.5rem; font-weight: 800; color: var(--azul-oscuro); }
.login-brand .brand-sub { font-size: 0.8rem; color: var(--gris-500); margin-top: 2px; }
.login-title { text-align: center; font-size: 0.86rem; color: var(--gris-700); margin-bottom: 22px; font-weight: 600; }
.login-card .btn-primary { width: 100%; justify-content: center; margin-top: 8px; padding: 11px; }
.login-footer { text-align: center; margin-top: 20px; font-size: 0.74rem; color: var(--gris-500); }

/* ---------- Estados vacíos ---------- */
.empty-state { text-align: center; padding: 50px 20px; color: var(--gris-500); }
.empty-state h3 { color: var(--gris-700); }

/* ---------- Utilidades ---------- */
.help-text { font-size: 0.78rem; color: var(--gris-500); margin-top: 4px; }
hr.sep { border: none; border-top: 1px solid var(--gris-200); margin: 18px 0; }

@media (max-width: 780px) {
  .sidebar { position: fixed; left: 0; top: 0; bottom: 0; z-index: 50; transform: translateX(-100%); transition: transform .2s; }
  .sidebar.open { transform: translateX(0); }
  .content { padding: 18px 16px 50px; }
  .topbar { padding: 12px 16px; }
  table { font-size: 0.8rem; }
  thead th, tbody td { padding: 9px 10px; }
}