@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Plus+Jakarta+Sans:wght@500;600;700;800&display=swap');

:root {
  /* Paleta Institucional MICTE */
  --primary: #b91c1c;        /* Rojo carmín institucional noble */
  --primary-hover: #991b1b;  /* Rojo oscuro para hover */
  --primary-light: #fee2e2;  /* Rojo suave para badges y fondos */
  --primary-focus: rgba(185, 28, 28, 0.25);

  --secondary: #881337;      /* Borgoña elegante */
  
  --bg-main: #f8fafc;        /* Slate 50 - Fondo general limpio */
  --bg-card: #ffffff;        /* Blanco puro para tarjetas */
  --border-color: #e2e8f0;   /* Bordes sutiles */

  --text-main: #0f172a;      /* Texto principal de alto contraste */
  --text-muted: #64748b;     /* Texto secundario */
  --text-white: #ffffff;

  /* Colores de Estado Semánticos */
  --success-bg: #dcfce7;
  --success-text: #166534;
  --warning-bg: #fef9c3;
  --warning-text: #854d0e;
  --info-bg: #e0f2fe;
  --info-text: #075985;
  --purple-bg: #f3e8ff;
  --purple-text: #6b21a8;
  --danger-bg: #fee2e2;
  --danger-text: #991b1b;

  /* Tipografías */
  --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Sombras y Radios */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
}

/* Reset básico */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

/* Barra Lateral (Sidebar) */
/* Barra Lateral (Sidebar) en Rojo Institucional */
.sidebar {
  width: 260px;
  background: linear-gradient(180deg, #991b1b 0%, #7f1d1d 100%);
  border-right: 1px solid rgba(0, 0, 0, 0.15);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 50;
  box-shadow: 2px 0 12px rgba(0, 0, 0, 0.1);
}

.sidebar-header {
  padding: 1.25rem 1.25rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.sidebar-logo-box {
  background: #ffffff;
  border-radius: var(--radius-md);
  padding: 4px 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.sidebar-logo-box img {
  height: 36px;
  width: auto;
}

.sidebar-brand {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.25rem;
  color: #ffffff;
  letter-spacing: -0.5px;
}

.sidebar-sub {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.75);
  display: block;
}

.sidebar-nav {
  padding: 1rem 0.75rem;
  flex: 1;
  overflow-y: auto;
}

.nav-section-title {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.6);
  padding: 0.85rem 0.75rem 0.35rem;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.7rem 0.85rem;
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
  border-radius: var(--radius-md);
  margin-bottom: 0.35rem;
  transition: all 0.2s ease;
}

.nav-link:hover {
  background-color: rgba(255, 255, 255, 0.15);
  color: #ffffff;
  transform: translateX(3px);
}

.nav-link.active {
  background-color: #ffffff;
  color: var(--primary-hover);
  font-weight: 700;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.18);
}

.nav-link svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.sidebar-footer {
  padding: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  background-color: rgba(0, 0, 0, 0.18);
}

.user-badge {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background-color: #ffffff;
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.95rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.user-info {
  flex: 1;
  min-width: 0;
}

.user-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: #ffffff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-role {
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.7);
  text-transform: uppercase;
}

.btn-icon-sidebar {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.8);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.25);
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
}

.btn-icon-sidebar:hover {
  background: rgba(255, 255, 255, 0.25);
  color: #ffffff;
}

/* Contenido Principal */
.main-content {
  margin-left: 260px;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

/* Topbar Superior */
.topbar {
  height: 64px;
  background-color: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  position: sticky;
  top: 0;
  z-index: 40;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.period-pill {
  background-color: var(--primary-light);
  color: var(--primary);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.page-wrapper {
  padding: 2rem;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
}

/* Título de Página */
.page-header {
  margin-bottom: 1.5rem;
}

.page-title {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.5px;
}

.page-subtitle {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 0.25rem;
}

/* ==========================================================
   BARRA DE ACCIONES SUPERIOR (TOOLBAR EN EL TOP)
   ========================================================== */
.toolbar-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  box-shadow: var(--shadow-sm);
}

.toolbar-filters {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex: 1;
  min-width: 300px;
}

.search-input-wrapper {
  position: relative;
  flex: 1;
  max-width: 340px;
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.search-input {
  width: 100%;
  padding: 0.6rem 0.85rem 0.6rem 2.4rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  background-color: var(--bg-main);
  transition: border-color 0.2s;
}

.search-input:focus {
  outline: none;
  border-color: var(--primary);
  background-color: #fff;
  box-shadow: 0 0 0 3px var(--primary-focus);
}

.filter-select {
  padding: 0.6rem 2rem 0.6rem 0.85rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  background-color: var(--bg-main);
  color: var(--text-main);
  cursor: pointer;
}

.toolbar-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

/* Botones Modernos */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.6rem 1.15rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s ease;
  line-height: 1.25;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--text-white);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  box-shadow: var(--shadow-sm);
}

.btn-outline {
  background-color: var(--bg-card);
  border-color: var(--border-color);
  color: var(--text-main);
}

.btn-outline:hover {
  background-color: var(--bg-main);
  border-color: #cbd5e1;
}

.btn-success {
  background-color: #10b981;
  color: #fff;
}

.btn-success:hover {
  background-color: #059669;
}

.btn-sm {
  padding: 0.4rem 0.75rem;
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
}

/* ==========================================================
   TABLA DE DATOS ELEGANTE (DATA TABLE)
   ========================================================== */
.table-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.875rem;
}

.data-table thead th {
  background-color: #f1f5f9;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.85rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
}

.data-table tbody td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-main);
  vertical-align: middle;
}

.data-table tbody tr:last-child td {
  border-bottom: none;
}

.data-table tbody tr:hover {
  background-color: #fcfcfd;
}

/* Badges / Etiquetas */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-green { background-color: var(--success-bg); color: var(--success-text); }
.badge-yellow { background-color: var(--warning-bg); color: var(--warning-text); }
.badge-blue { background-color: var(--info-bg); color: var(--info-text); }
.badge-purple { background-color: var(--purple-bg); color: var(--purple-text); }
.badge-red { background-color: var(--danger-bg); color: var(--danger-text); }
.badge-gray { background-color: #f1f5f9; color: #475569; }

/* Menú de Acciones en la Fila */
.row-actions {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.btn-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  background: transparent;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
}

.btn-icon:hover {
  background-color: var(--bg-main);
  color: var(--primary);
  border-color: var(--border-color);
}

/* ==========================================================
   FORMULARIOS MODERNOS
   ========================================================== */
.form-card-modern {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  max-width: 900px;
  margin: 0 auto;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
}

.form-control {
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-family: var(--font-body);
  background-color: var(--bg-main);
  transition: all 0.2s;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  background-color: #fff;
  box-shadow: 0 0 0 3px var(--primary-focus);
}

.form-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
}

/* Mensajes de Alerta */
.alert {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.alert-success {
  background-color: var(--success-bg);
  color: var(--success-text);
  border: 1px solid #bbf7d0;
}

.alert-danger {
  background-color: var(--danger-bg);
  color: var(--danger-text);
  border: 1px solid #fecaca;
}

/* ==========================================================
   TARJETAS DE MÉTRICAS / KPI (DASHBOARD)
   ========================================================== */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.stat-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s, box-shadow 0.2s;
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.stat-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stat-icon svg {
  width: 26px;
  height: 26px;
}

.stat-icon-red { background-color: var(--primary-light); color: var(--primary); }
.stat-icon-blue { background-color: var(--info-bg); color: var(--info-text); }
.stat-icon-green { background-color: var(--success-bg); color: var(--success-text); }
.stat-icon-purple { background-color: var(--purple-bg); color: var(--purple-text); }
.stat-icon-yellow { background-color: var(--warning-bg); color: var(--warning-text); }

.stat-info {
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-family: var(--font-heading);
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.1;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.25rem;
}

/* ==========================================================
   FICHA 360° DE PERSONA
   ========================================================== */
.profile-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  margin-bottom: 2rem;
}

.profile-header {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.profile-avatar-lg {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-full);
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  border: 3px solid #fff;
  box-shadow: var(--shadow-md);
}

.profile-details {
  flex: 1;
}

.profile-name {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-main);
}

.profile-roles-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

.profile-grid-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-top: 1.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
}

.info-item {
  display: flex;
  flex-direction: column;
}

.info-item-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.info-item-val {
  font-size: 0.95rem;
  color: var(--text-main);
  font-weight: 500;
  margin-top: 0.2rem;
}

/* ==========================================================
   PÁGINA DE LOGIN
   ========================================================== */
.login-body {
  background: linear-gradient(135deg, #7f1d1d 0%, #b91c1c 50%, #991b1b 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.login-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 440px;
  padding: 2.5rem;
}

.login-header {
  text-align: center;
  margin-bottom: 2rem;
}

.login-header img {
  height: 64px;
  width: auto;
  margin-bottom: 1rem;
}

.login-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.5px;
}

.login-subtitle {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

/* Responsive */
@media (max-width: 900px) {
  .sidebar {
    width: 70px;
  }
  .sidebar-brand, .sidebar-sub, .nav-link span, .nav-section-title, .user-info {
    display: none;
  }
  .sidebar-header {
    justify-content: center;
  }
  .nav-link {
    justify-content: center;
    padding: 0.75rem;
  }
  .main-content {
    margin-left: 70px;
  }
}