@import url("https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&family=Montserrat:ital,wght@0,100..900;1,100..900&display=swap");
:root {
  /* Fondos */
  --bg-base: #0d1117; /* fondo de página */
  --bg-surface: #161b22; /* cards, paneles */
  --bg-raised: #1c2128; /* hover de filas, dropdowns */

  /* Bordes */
  --border: #30363d;
  --border-muted: #21262d;

  /* Texto */
  --text-primary: #e6edf3 !important;
  --text-secondary: #c9d1d9 !important;
  --text-muted: #8b949e !important;
  --text-subtle: #6e7681 !important;
  --text-ghost: #484f58 !important;

  /* Acento azul */
  --blue: #58a6ff;
  --blue-strong: #1f6feb;
  --blue-hover: #388bfd;
  --blue-glow: rgba(88, 166, 255, 0.15);

  /* Semánticos */
  --red: #f85149;
  --green: #3fb950;
  --yellow: #d29922;

  /* Tipografía */
  --font: "Montserrat", "Inter", system-ui, -apple-system, sans-serif;

  /* Bordes redondeados */
  --radius-sm: 4px;
  --radius: 6px;
  --radius-lg: 10px;
  --radius-xl: 14px;

  /* Transición */
  --transition: 0.15s ease;
}

/* ── Reset base ─────────────────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--bg-base);
  color: var(--text-secondary);
  font-family: var(--font);
  font-size: 0.925rem;
  line-height: 1.6;
  min-height: 100dvh;
}

/* ── Tipografía ─────────────────────────────────────────────── */
h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--text-primary);
  font-weight: 600;
  line-height: 1.3;
}

p {
  color: var(--text-secondary);
}

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

/* ── Layout ─────────────────────────────────────────────────── */

/* Centrado vertical (login, páginas únicas) */
.layout-center {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100dvh;
  padding: 24px 16px;
}

/* Contenedor de página normal */
.page-wrap {
  max-width: 900px;
  margin: 48px auto;
  padding: 0 16px;
}

.page-wrap-wide {
  max-width: 1200px;
  margin: 48px auto;
  padding: 2rem 4rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

/* ── Encabezado de página ───────────────────────────────────── */
.page-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--blue);
  margin-bottom: 4px;
}
.page-subtitle {
  color: var(--text-subtle);
  font-size: 0.875rem;
  margin-bottom: 28px;
}

/* ── Cards ──────────────────────────────────────────────────── */
.card-dark {
  background-color: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
}

/* Card compacta (login, modales) */
.card-sm {
  background-color: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px 36px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

/* ── Separadores de sección ─────────────────────────────────── */
.section-header {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--blue);
  border-bottom: 1px solid var(--border-muted);
  padding-bottom: 8px;
  margin: 32px 0 18px;
}
.section-header:first-of-type {
  margin-top: 0;
}

/* ── Formularios ────────────────────────────────────────────── */
label,
label.form-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 4px;
  display: block;
}

.form-control,
.form-select {
  background-color: var(--bg-base);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  border-radius: var(--radius);
  font-size: 0.9rem;
  padding: 8px 12px;
  width: 100%;
  transition:
    border-color var(--transition),
    box-shadow var(--transition);
}

.form-control::placeholder {
  color: var(--text-ghost);
}

.form-control:focus,
.form-select:focus {
  background-color: var(--bg-base);
  border-color: var(--blue);
  box-shadow: 0 0 0 3px var(--blue-glow);
  color: var(--text-primary);
  outline: none;
}

.form-select option {
  background-color: var(--bg-surface);
  color: var(--text-secondary);
}

textarea.form-control {
  resize: vertical;
  min-height: 80px;
}

/* Checkbox */
.form-check-input {
  background-color: var(--bg-base);
  border: 1px solid var(--border);
  border-radius: 3px;
  cursor: pointer;
}
.form-check-input:checked {
  background-color: var(--blue-strong);
  border-color: var(--blue-strong);
}
.form-check-input:focus {
  box-shadow: 0 0 0 3px var(--blue-glow);
}
.form-check-label {
  color: var(--text-muted);
  font-size: 0.875rem;
  cursor: pointer;
}

/* Campo requerido */
.req {
  color: var(--red);
}

/* Nota al pie del formulario */
.footer-note {
  color: var(--text-ghost);
  font-size: 0.78rem;
  margin-top: 16px;
}

/* ── Botones ─────────────────────────────────────────────────── */

/* Primario — azul sólido */
.btn-blue,
.btn-primary-dark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background-color: var(--blue-strong);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 9px 18px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color var(--transition);
  text-decoration: none;
}
.btn-blue:hover,
.btn-primary-dark:hover {
  background-color: var(--blue-hover);
  color: #fff;
}

/* Variante ancho completo */
.btn-blue.w-100,
.btn-block {
  width: 100%;
}

/* Secundario — contorno */
.btn-outline-dark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background-color: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 9px 18px;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition:
    border-color var(--transition),
    color var(--transition),
    background-color var(--transition);
  text-decoration: none;
}
.btn-outline-dark:hover {
  border-color: var(--blue);
  color: var(--blue);
  background-color: var(--blue-glow);
}

/* Peligro */
.btn-danger-dark {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: transparent;
  color: var(--red);
  border: 1px solid var(--red);
  border-radius: var(--radius);
  padding: 9px 18px;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: background-color var(--transition);
  text-decoration: none;
}
.btn-danger-dark:hover {
  background-color: rgba(248, 81, 73, 0.1);
}

/* Ícono centrado (para login) */
.icon-center {
  font-size: 2.8rem;
  color: var(--blue-strong);
  text-align: center;
  margin-bottom: 12px;
}

/* ── Alertas ─────────────────────────────────────────────────── */
.alert-custom {
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: 0.875rem;
  margin-bottom: 24px;
  border-left: 4px solid;
  line-height: 1.5;
}
.alert-ok {
  background: #0f2b1a;
  border-color: #2ea043;
  color: var(--green);
}
.alert-warn {
  background: #2b2000;
  border-color: #9e6a03;
  color: var(--yellow);
}
.alert-err {
  background: #2b0a0a;
  border-color: #da3633;
  color: var(--red);
}
.alert-info {
  background: #0d1f33;
  border-color: var(--blue-strong);
  color: var(--blue);
}

/* ── Tablas ──────────────────────────────────────────────────── */
.table-dark-custom {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}
.table-dark-custom thead th {
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
  padding: 10px 14px;
  text-align: left;
}
.table-dark-custom tbody td {
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-muted);
  padding: 12px 14px;
  vertical-align: middle;
}
.table-dark-custom tbody tr:last-child td {
  border-bottom: none;
}
.table-dark-custom tbody tr:hover td {
  background-color: var(--bg-raised);
}

/* ── Badges / Etiquetas ─────────────────────────────────────── */
.badge-dark {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}
.badge-blue {
  background: rgba(88, 166, 255, 0.15);
  color: var(--blue);
  border: 1px solid rgba(88, 166, 255, 0.3);
}
.badge-green {
  background: rgba(63, 185, 80, 0.12);
  color: var(--green);
  border: 1px solid rgba(63, 185, 80, 0.3);
}
.badge-red {
  background: rgba(248, 81, 73, 0.12);
  color: var(--red);
  border: 1px solid rgba(248, 81, 73, 0.3);
}
.badge-yellow {
  background: rgba(210, 153, 34, 0.12);
  color: var(--yellow);
  border: 1px solid rgba(210, 153, 34, 0.3);
}
.badge-gray {
  background: rgba(139, 148, 158, 0.1);
  color: var(--text-muted);
  border: 1px solid var(--border);
}

/* ── Navbar ──────────────────────────────────────────────────── */
.navbar-dark-custom {
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  padding: 12px 24px;
}
.navbar-dark-custom .navbar-brand {
  color: var(--blue);
  font-weight: 700;
  font-size: 1rem;
}
.navbar-dark-custom .nav-link {
  color: var(--text-muted);
  font-size: 0.875rem;
  padding: 6px 12px;
  border-radius: var(--radius);
  transition:
    color var(--transition),
    background-color var(--transition);
}
.navbar-dark-custom .nav-link:hover,
.navbar-dark-custom .nav-link.active {
  color: var(--text-primary);
  background-color: var(--bg-raised);
}
.nav-link i {
  font-size: 1rem;
  color: var(--text-muted);
  transition: color var(--transition);
}

.nav-link:hover i,
.nav-link.active i {
  color: var(--blue);
}

/* ── Divider ────────────────────────────────────────────────── */
.divider {
  border: none;
  border-top: 1px solid var(--border-muted);
  margin: 24px 0;
}

/* ── Overrides Bootstrap ────────────────────────────────────── */

/* Evita que Bootstrap sobreescriba colores de fondo en inputs */
.form-control:disabled,
.form-control[readonly] {
  background-color: var(--bg-raised);
  color: var(--text-muted);
  opacity: 1;
}

/* Bootstrap pagination oscura */
.page-link {
  background-color: var(--bg-surface);
  border-color: var(--border);
  color: var(--text-secondary);
}
.page-link:hover {
  background-color: var(--bg-raised);
  color: var(--blue);
  border-color: var(--border);
}
.page-item.active .page-link {
  background-color: var(--blue-strong);
  border-color: var(--blue-strong);
}
.page-item.disabled .page-link {
  background-color: var(--bg-surface);
  color: var(--text-ghost);
}

/* SIDEBAR BASE */
.sidebar {
  width: 260px;
  height: 100vh;
  position: fixed;
  top: 0;
  left: 0;

  display: flex;
  flex-direction: column;
  justify-content: space-between;

  padding: 20px;

  background-color: var(--bg-surface);
  border-right: 1px solid var(--border);
}

/* HEADER */
.sidebar-header {
  margin-bottom: 20px;
}

.sidebar-title {
  display: flex;
  align-items: center;
  gap: 10px;

  font-size: 1.4rem;
  font-weight: 700;
  color: var(--blue);
}

/* NAV */
.sidebar-nav {
  list-style: none;
  padding: 0;
  margin: 0;

  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 12px;

  padding: 10px 12px;
  border-radius: 10px;

  color: var(--text);
  text-decoration: none;

  transition: all 0.2s ease;
}

.sidebar-link i {
  font-size: 1.2rem;
}

/* HOVER */
.sidebar-link:hover {
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--blue);
}

/* ACTIVE */
.sidebar-link.active {
  background-color: var(--blue);
  color: #fff;
}

/* FOOTER */
.sidebar-footer {
  border-top: 1px solid var(--border);
  padding-top: 15px;
}

/* USER */
.sidebar-user {
  display: flex;
  align-items: center;
  gap: 8px;

  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 10px;
}

/* LOGOUT */
.sidebar-logout {
  width: 100%;

  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}