/* ============================================================
   SIAPA — estilos.css
   Paleta y variables centralizadas
   Para cambiar colores: SOLO modificar las variables en :root
   ============================================================ */

:root {
  --color-primario:        #9F2241;
  --color-primario-oscuro: #7a1a32;
  --color-secundario:      #235B4E;
  --color-acento:          #DDC9A3;
  --color-neutro:          #98989A;
  --color-fondo:           #f4f1ed;
  --sidebar-ancho:         260px;
  --header-alto:           56px;
}

/* ============================================================
   LOGIN
   ============================================================ */

body.pagina-login {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--color-primario) 0%, var(--color-primario-oscuro) 50%, var(--color-secundario) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-card {
  border: none;
  border-radius: 16px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.25);
  width: 100%;
  max-width: 420px;
}

.login-avatar {
  width: 90px;
  height: 90px;
  background: linear-gradient(135deg, var(--color-primario), var(--color-secundario));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  box-shadow: 0 4px 16px rgba(159,34,65,0.35);
}

.login-avatar i {
  font-size: 2.5rem;
  color: #fff;
}

.login-title {
  color: var(--color-primario);
  font-weight: 700;
}

.login-subtitle {
  color: var(--color-neutro);
  font-size: 0.95rem;
}

.login-card .form-control:focus {
  border-color: var(--color-primario);
  box-shadow: 0 0 0 3px rgba(159,34,65,0.15);
}

.btn-login {
  background: linear-gradient(135deg, var(--color-primario), var(--color-primario-oscuro));
  border: none;
  color: #fff;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 12px;
  border-radius: 8px;
  transition: all 0.2s ease;
}

.btn-login:hover {
  background: linear-gradient(135deg, var(--color-primario-oscuro), #5e1326);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(159,34,65,0.4);
}

.login-footer-text {
  color: var(--color-neutro);
  font-size: 0.85rem;
  border-top: 1px solid #e9ecef;
  padding-top: 16px;
  margin-top: 16px;
}

/* ============================================================
   LAYOUT PRINCIPAL
   ============================================================ */

body.pagina-inicio {
  background-color: var(--color-fondo);
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* --- Header --- */
.siapa-header {
  background: linear-gradient(135deg, var(--color-primario), var(--color-primario-oscuro));
  height: var(--header-alto);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1030;
  display: flex;
  align-items: center;
  padding: 0 16px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.siapa-header .brand {
  color: #fff;
  font-weight: 700;
  font-size: 1.1rem;
  text-decoration: none;
  letter-spacing: 0.3px;
}

.siapa-header .brand:hover {
  color: var(--color-acento);
}

.siapa-header .usuario-info {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255,255,255,0.9);
  font-size: 0.9rem;
}

.btn-cerrar-sesion {
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.25);
  color: #fff;
  padding: 5px 14px;
  border-radius: 6px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-cerrar-sesion:hover {
  background: var(--color-secundario);
  border-color: var(--color-secundario);
  color: #fff;
}

.btn-toggle-sidebar {
  background: none;
  border: none;
  color: #fff;
  font-size: 1.3rem;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
  margin-right: 12px;
  transition: background 0.2s;
}

.btn-toggle-sidebar:hover {
  background: rgba(255,255,255,0.1);
}

/* --- Sidebar --- */
.siapa-sidebar {
  background: linear-gradient(180deg, var(--color-primario), var(--color-primario-oscuro));
  width: var(--sidebar-ancho);
  position: fixed;
  top: var(--header-alto);
  left: 0;
  bottom: 0;
  overflow-y: auto;
  overflow-x: hidden;
  z-index: 1020;
  transition: width 0.3s ease, transform 0.3s ease;
}

.siapa-sidebar.colapsado {
  width: 0;
}

.sidebar-section-titulo {
  font-size: 0.7rem;
  font-weight: 700;
  color: rgba(255,255,255,0.6);
  text-transform: uppercase;
  letter-spacing: 1.2px;
  padding: 16px 20px 8px;
  background: rgba(0,0,0,0.15);
  border-left: 3px solid var(--color-acento);
  margin-bottom: 4px;
}

/* Módulo principal */
.sidebar-modulo > .sidebar-modulo-titulo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 20px;
  color: rgba(255,255,255,0.9);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.2s;
  user-select: none;
  border-left: 3px solid transparent;
}

.sidebar-modulo > .sidebar-modulo-titulo:hover {
  background: rgba(255,255,255,0.08);
  color: #fff;
}

.sidebar-modulo > .sidebar-modulo-titulo.activo {
  background: rgba(0,0,0,0.2);
  border-left-color: var(--color-acento);
}

.sidebar-modulo-titulo .icono {
  width: 20px;
  text-align: center;
  font-size: 1rem;
}

.sidebar-modulo-titulo .flecha {
  margin-left: auto;
  font-size: 0.75rem;
  opacity: 0.6;
  transition: transform 0.25s ease;
}

.sidebar-modulo-titulo.activo .flecha {
  transform: rotate(90deg);
}

/* Submódulos */
.sidebar-submodulos {
  list-style: none;
  padding: 0;
  margin: 0;
  background: rgba(0,0,0,0.12);
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.3s ease;
}

.sidebar-submodulos.expandido {
  max-height: 600px;
}

.sidebar-submodulos li a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 20px 9px 50px;
  color: rgba(255,255,255,0.72);
  text-decoration: none;
  font-size: 0.875rem;
  transition: all 0.2s;
  border-left: 3px solid transparent;
}

.sidebar-submodulos li a:hover {
  background: rgba(255,255,255,0.06);
  color: #fff;
  border-left-color: var(--color-acento);
  padding-left: 54px;
}

.sidebar-submodulos li a.activo {
  background: rgba(0,0,0,0.18);
  color: #fff;
  border-left-color: var(--color-acento);
  font-weight: 500;
}

/* --- Contenido principal --- */
.siapa-contenido {
  margin-left: var(--sidebar-ancho);
  margin-top: var(--header-alto);
  padding: 28px;
  min-height: calc(100vh - var(--header-alto));
  transition: margin-left 0.3s ease;
}

.siapa-contenido.expandido {
  margin-left: 0;
}

/* --- Tarjetas --- */
.bienvenida-card {
  background: #fff;
  border-radius: 12px;
  padding: 32px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  border-top: 4px solid var(--color-primario);
}

.bienvenida-card h2,
.bienvenida-card h4 {
  color: var(--color-primario);
  font-weight: 700;
}

.bienvenida-card p {
  color: #5a6c7d;
}

.info-card {
  background: linear-gradient(135deg, rgba(159,34,65,0.04), rgba(35,91,78,0.04));
  border: 1px solid rgba(159,34,65,0.12);
  border-radius: 10px;
  padding: 20px 24px;
}

.info-card .label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-primario);
}

.info-card .valor {
  font-size: 1.05rem;
  font-weight: 500;
  color: #2c3e50;
}

.aviso {
  background: rgba(221,201,163,0.25);
  border-left: 4px solid var(--color-acento);
  border-radius: 6px;
  padding: 14px 18px;
  color: #5a6c7d;
  font-size: 0.92rem;
}

/* --- Scrollbar sidebar --- */
.siapa-sidebar::-webkit-scrollbar       { width: 5px; }
.siapa-sidebar::-webkit-scrollbar-track { background: rgba(0,0,0,0.1); }
.siapa-sidebar::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.25); border-radius: 3px; }

/* --- Responsive --- */
@media (max-width: 768px) {
  .siapa-sidebar {
    transform: translateX(-100%);
    width: var(--sidebar-ancho);
  }
  .siapa-sidebar.visible-movil {
    transform: translateX(0);
  }
  .siapa-contenido {
    margin-left: 0;
  }
}