/* ============================================================
   Nubikon — Sistema de diseño "Selva"
   Paleta base: verde oscuro #162e28 + acento #34d399
   Fuente: Nunito (Google Fonts)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;500;600;700&display=swap');

/* ── Variables globales ─────────────────────────────────── */
:root {
  /* Paleta Selva */
  --nk-900: #0e1f1c;
  --nk-800: #162e28;
  --nk-700: #1e3f37;
  --nk-600: #2a5249;
  --nk-500: #317363;   /* verde original Deepnova */
  --nk-400: #52796f;
  --nk-300: #7abfb0;
  --nk-200: #c6e8e1;
  --nk-100: #e6f0ee;
  --nk-50:  #f0f7f5;
  --nk-accent: #34d399; /* acento claro para ítems activos */

  /* Sidebar */
  --sb-width:     60px;  /* colapsado */
  --sb-expanded:  220px; /* expandido al hacer hover */
  --sb-bg:        var(--nk-800);
  --sb-hdr:       var(--nk-900);
  --sb-text:      var(--nk-300);
  --sb-text-act:  var(--nk-200);
  --sb-item-act:  var(--nk-700);

  /* Topbar */
  --tb-bg:     #ffffff;
  --tb-text:   var(--nk-800);
  --tb-sub:    var(--nk-400);
  --tb-border: var(--nk-200);
  --tb-height: 52px;

  /* Contenido */
  --body-bg:   var(--nk-50);
  --card-bg:   #ffffff;
  --stripe-bg: var(--nk-100);
  --border-col: var(--nk-200);

  /* Misc */
  --radius: 6px;
  --font:   "Nunito", sans-serif;
}

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

body {
  font-family: var(--font);
  font-size: 14px;
  background: var(--body-bg);
  color: var(--nk-800);
}

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

/* ── SIDEBAR ────────────────────────────────────────────── */
.sidebar {
  position: fixed;
  left: 0; top: 0; bottom: 0;
  width: var(--sb-width);
  background: var(--sb-bg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: width 0.2s ease;
  z-index: 100;
}
.sidebar:hover { width: var(--sb-expanded); }

/* Marca / logo */
.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--sb-hdr);
  min-height: 60px;
  flex-shrink: 0;
  text-decoration: none;
}

/*
  LOGO: cuando tengas el logo listo, reemplaza .sidebar-logo-icon-wrap por:
    <img src="{% static 'core/img/logo_nubikon.png' %}" alt="Nubikon" class="sidebar-logo-img">
  y elimina el bloque .sidebar-logo-icon-wrap de este CSS.
*/
.sidebar-logo-icon-wrap {
  width: 28px; height: 28px;
  background: var(--nk-accent);
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.sidebar-logo-icon-wrap i { font-size: 15px; color: #fff; }

.sidebar-logo-img {
  width: 28px; height: 28px;
  object-fit: contain;
  flex-shrink: 0;
}

.sidebar-brand-name {
  font-size: 15px; font-weight: 600;
  color: var(--sb-text-act);
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.12s ease 0s;
}
.sidebar:hover .sidebar-brand-name {
  opacity: 1;
  transition-delay: 0.08s;
}

/* Navegación */
.sidebar-nav {
  flex: 1;
  list-style: none;
  padding: 10px 8px;
  overflow: hidden;
}
.sidebar-item + .sidebar-item { margin-top: 2px; }

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 10px;
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--sb-text);
  transition: background 0.15s, color 0.15s;
}
.sidebar-link:hover {
  background: var(--sb-item-act);
  color: var(--sb-text-act);
  text-decoration: none;
}
.sidebar-item--active .sidebar-link {
  background: var(--sb-item-act);
  color: var(--sb-text-act);
}
.sidebar-item--active .sidebar-link i {
  color: var(--nk-accent);
}
.sidebar-link i {
  font-size: 18px;
  flex-shrink: 0;
}
.sidebar-link-label {
  font-size: 13px;
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.12s ease 0s;
}
.sidebar:hover .sidebar-link-label {
  opacity: 1;
  transition-delay: 0.08s;
}

/* Pie del sidebar (usuario + salir) */
.sidebar-footer {
  border-top: 1px solid var(--sb-hdr);
  padding: 8px;
  flex-shrink: 0;
}
.sidebar-footer .sidebar-link { padding: 8px 10px; }
.sidebar-footer form { margin: 0; }

/* Botón 'Salir': el logout va por POST (mini-form), pero debe verse
   idéntico a un enlace del sidebar. Sin `color` propio: lo hereda de
   la clase .sidebar-link (un `color:inherit` inline aquí lo rompería
   porque pisa el var(--sb-text) de la clase). */
button.sidebar-link {
  width: 100%;
  background: none;
  border: none;
  cursor: pointer;
  font: inherit;
  text-align: left;
}

.sidebar-user-name {
  font-size: 11px;
  color: var(--sb-text);
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.12s ease 0s;
}
.sidebar:hover .sidebar-user-name {
  opacity: 1;
  transition-delay: 0.08s;
}

/* ── CONTENIDO PRINCIPAL ────────────────────────────────── */
.main-wrapper {
  margin-left: var(--sb-width);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Topbar */
.topbar {
  position: sticky; top: 0; z-index: 50;
  height: var(--tb-height);
  background: var(--tb-bg);
  border-bottom: 1px solid var(--tb-border);
  display: flex; align-items: center;
  padding: 0 24px;
  gap: 8px;
  flex-shrink: 0;
}
.topbar-title {
  font-size: 15px; font-weight: 600;
  color: var(--tb-text);
}
.topbar-sep {
  font-size: 13px; color: var(--tb-border);
}
.topbar-sub {
  font-size: 13px; color: var(--tb-sub);
}
.topbar-actions { margin-left: auto; display: flex; gap: 8px; align-items: center; }
.topbar-user {
  font-size: 12px; color: var(--tb-sub);
  display: flex; align-items: center; gap: 5px;
}

/* Área de contenido */
.content-area {
  flex: 1;
  padding: 24px;
}

/* ── BOTONES ────────────────────────────────────────────── */
/* Botón principal Nubikon */
.btn-nk {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--nk-800);
  color: #fff !important;
  border: none;
  border-radius: var(--radius);
  padding: 6px 14px;
  font-size: 13px; font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s;
}
.btn-nk:hover { background: var(--nk-700); color: #fff !important; }

/* Compatibilidad con .btn-body de los templates existentes */
.btn-body {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 120px;
  color: #fff;
  padding: 5px 14px;
  background: var(--nk-800);
  border: none;
  border-radius: 50px;
  cursor: pointer;
  font-weight: 600;
  font-size: 13px;
  transition: background 0.15s;
}
.btn-body:hover { background: var(--nk-700); }

/* ── LOGIN ──────────────────────────────────────────────── */
/* Solo se usa en registration/login.html */
.login-shell {
  min-height: 100vh;
  background: var(--nk-800);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.login-card {
  background: var(--card-bg);
  border-radius: 12px;
  padding: 40px 36px;
  width: 100%;
  max-width: 340px;
  text-align: center;
}

.login-logo-wrap {
  width: 48px; height: 48px;
  background: var(--nk-accent);
  border-radius: 10px;
  display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: 14px;
}
.login-logo-wrap i { font-size: 24px; color: #fff; }

/*
  LOGO LOGIN: cuando tengas el logo listo, reemplaza .login-logo-wrap por:
    <img src="{% static 'core/img/logo_nubikon.png' %}" alt="Nubikon" class="login-logo-img">
*/
.login-logo-img {
  height: 48px; width: auto;
  margin-bottom: 14px;
}

.login-brand {
  font-size: 20px; font-weight: 600; color: var(--nk-800);
  margin: 0 0 4px;
}
.login-sub {
  font-size: 12px; color: var(--nk-400);
  margin: 0 0 26px;
}

.login-card .form-control {
  margin-bottom: 12px;
}

.login-btn {
  width: 100%;
  background: var(--nk-800);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 9px;
  font-size: 14px; font-weight: 600;
  cursor: pointer;
  font-family: var(--font);
  transition: background 0.15s;
}
.login-btn:hover { background: var(--nk-700); }

.login-footer {
  font-size: 11px; color: var(--nk-300);
  margin-top: 22px;
}

/* ── UTILIDADES (compat con templates existentes) ───────── */
.centrado { text-align: center; vertical-align: middle; }
.derecha  { text-align: right;  vertical-align: middle; }

/* Formlogin legacy (ya no se usa, se conserva por seguridad) */
.formlogin {
  border: 1px solid #e1e1e1;
  border-radius: 5px;
  padding: 25px;
  margin: 0 auto;
  width: 250px;
  text-align: center;
}

/* ── TABLAS ─────────────────────────────────────────────── */
.table {
  --bs-table-striped-bg: var(--nk-50);
  --bs-table-border-color: var(--nk-100);
  font-size: 13px;
}
.table thead th {
  background: var(--nk-100);
  color: var(--nk-600);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-bottom: 2px solid var(--nk-200);
  padding: 10px 12px;
  white-space: nowrap;
}
.table tbody td {
  border-color: var(--nk-100);
  vertical-align: middle;
  padding: 8px 12px;
}
.table tbody tr:hover { background: var(--nk-100); }

/* ── BOTÓN SECUNDARIO PEQUEÑO ───────────────────────────── */
.btn-sm-nk {
  display: inline-flex; align-items: center; gap: 4px;
  background: var(--nk-100);
  color: var(--nk-700) !important;
  border: 1px solid var(--nk-200);
  border-radius: var(--radius);
  padding: 3px 10px;
  font-size: 12px; font-weight: 500;
  text-decoration: none !important;
  cursor: pointer;
  font-family: var(--font);
  transition: background 0.15s, border-color 0.15s;
}
.btn-sm-nk:hover {
  background: var(--nk-200);
  border-color: var(--nk-300);
  color: var(--nk-700) !important;
}
.btn-sm-danger {
  background: #fef2f2 !important;
  color: #b91c1c !important;
  border-color: #fca5a5 !important;
}
.btn-sm-danger:hover { background: #fee2e2 !important; border-color: #f87171 !important; }

/* ── BARRA DE FILTROS ───────────────────────────────────── */
.filtros-bar {
  background: var(--card-bg);
  border: 1px solid var(--border-col);
  border-radius: var(--radius);
  padding: 12px 16px;
  margin-bottom: 16px;
}

/* ── CARD GENÉRICA ──────────────────────────────────────── */
.nk-card {
  background: var(--card-bg);
  border: 1px solid var(--border-col);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 16px;
}