/* ============================================================
   SISTEMA DE AHORRO Y ACTIVIDADES - COLEGIO
   Archivo: 11. main.css
   Ubicación: /assets/css/main.css
   Fuentes: Nunito (display) + DM Sans (body) — Google Fonts
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;500;600;700;800;900&family=DM+Sans:ital,wght@0,300;0,400;0,500;0,600;1,400&display=swap');

/* ── Variables globales ──────────────────────────────────── */
:root {
  /* Paleta principal */
  --c-primary:       #2563eb;
  --c-primary-dark:  #1d4ed8;
  --c-primary-light: #eff6ff;
  --c-secondary:     #7c3aed;
  --c-accent:        #f59e0b;
  --c-accent-dark:   #d97706;

  /* Estado */
  --c-success:       #16a34a;
  --c-success-light: #f0fdf4;
  --c-danger:        #dc2626;
  --c-danger-light:  #fef2f2;
  --c-warning:       #d97706;
  --c-warning-light: #fffbeb;
  --c-info:          #0891b2;
  --c-info-light:    #ecfeff;

  /* Neutros */
  --c-dark:          #0f172a;
  --c-gray-900:      #1e293b;
  --c-gray-800:      #334155;
  --c-gray-700:      #475569;
  --c-gray-500:      #64748b;
  --c-gray-400:      #94a3b8;
  --c-gray-200:      #e2e8f0;
  --c-gray-100:      #f1f5f9;
  --c-gray-50:       #f8fafc;
  --c-white:         #ffffff;

  /* Tipos de actividad */
  --c-ahorro:        #2563eb;
  --c-ahorro-light:  #eff6ff;
  --c-recaudo:       #d97706;
  --c-recaudo-light: #fffbeb;

  /* Tipografía */
  --font-display:    'Nunito', sans-serif;
  --font-body:       'DM Sans', sans-serif;

  /* Espaciado */
  --radius-sm:       6px;
  --radius-md:       12px;
  --radius-lg:       16px;
  --radius-xl:       24px;
  --radius-full:     9999px;

  /* Sombras */
  --shadow-sm:  0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md:  0 4px 12px rgba(0,0,0,.10), 0 2px 6px rgba(0,0,0,.07);
  --shadow-lg:  0 10px 30px rgba(0,0,0,.12), 0 4px 12px rgba(0,0,0,.08);
  --shadow-xl:  0 20px 50px rgba(0,0,0,.15);

  /* Transiciones */
  --transition-fast:   0.15s ease;
  --transition-base:   0.25s ease;
  --transition-slow:   0.4s ease;

  /* Layout admin */
  --sidebar-width:      260px;
  --sidebar-collapsed:  70px;
  --topbar-height:      64px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--c-gray-800);
  background: var(--c-gray-50);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.3;
  color: var(--c-gray-900);
}

a { color: var(--c-primary); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--c-primary-dark); }

/* ── Scrollbar personalizada ─────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--c-gray-100); }
::-webkit-scrollbar-thumb { background: var(--c-gray-300, #cbd5e1); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: var(--c-gray-400); }

/* ── Cards ───────────────────────────────────────────────── */
.card {
  border: 1px solid var(--c-gray-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  background: var(--c-white);
  padding: 10px;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}
.card:hover { box-shadow: var(--shadow-md); }

.card-header {
  background: transparent;
  border-bottom: 1px solid var(--c-gray-100);
  padding: 1rem 1.25rem;
  font-family: var(--font-display);
  font-weight: 700;
}

.card-hover:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

/* ── Stat Cards (KPIs) ───────────────────────────────────── */
.stat-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  padding: 1.4rem 1.5rem;
  background: var(--c-white);
  border: 1px solid var(--c-gray-200);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}
.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--stat-color, var(--c-primary));
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.stat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

.stat-card .stat-icon {
  width: 52px; height: 52px;
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  background: color-mix(in srgb, var(--stat-color, var(--c-primary)) 12%, transparent);
  color: var(--stat-color, var(--c-primary));
  margin-bottom: 1rem;
  flex-shrink: 0;
}
.stat-card .stat-value {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--c-gray-900);
  line-height: 1.1;
  margin-bottom: .2rem;
}
.stat-card .stat-label {
  font-size: 0.82rem;
  color: var(--c-gray-500);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.stat-card .stat-sub {
  font-size: 0.82rem;
  color: var(--c-gray-500);
  margin-top: .4rem;
}

/* ── Progress bars ───────────────────────────────────────── */
.progress {
  height: 10px;
  border-radius: var(--radius-full);
  background: var(--c-gray-100);
  overflow: hidden;
}
.progress-bar {
  border-radius: var(--radius-full);
  transition: width 1s cubic-bezier(.4,0,.2,1);
  position: relative;
  overflow: hidden;
}
.progress-bar::after {
  content: '';
  position: absolute;
  top: 0; left: -100%; right: 0; bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.3), transparent);
  animation: shimmer 2s infinite;
}
@keyframes shimmer {
  0%   { left: -100%; }
  100% { left: 200%; }
}

.progress-lg { height: 16px; }
.progress-sm { height: 6px; }

/* ── Badges personalizados ───────────────────────────────── */
.badge {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .75rem;
  border-radius: var(--radius-full);
  padding: .35em .75em;
}

/* ── Botones ─────────────────────────────────────────────── */
.btn {
  font-family: var(--font-display);
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: .35rem;
}
.btn:active { transform: scale(0.97); }

.btn-primary {
  background: var(--c-primary);
  border-color: var(--c-primary);
}
.btn-primary:hover {
  background: var(--c-primary-dark);
  border-color: var(--c-primary-dark);
  box-shadow: 0 4px 12px rgba(37,99,235,.35);
  transform: translateY(-1px);
}

.btn-success:hover {
  box-shadow: 0 4px 12px rgba(22,163,74,.35);
  transform: translateY(-1px);
}
.btn-danger:hover {
  box-shadow: 0 4px 12px rgba(220,38,38,.35);
  transform: translateY(-1px);
}

/* Botón icono circular */
.btn-icon {
  width: 36px; height: 36px;
  padding: 0;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

/* ── Formularios ─────────────────────────────────────────── */
.form-control, .form-select {
  border-radius: var(--radius-md);
  border: 1.5px solid var(--c-gray-200);
  padding: .55rem .9rem;
  font-family: var(--font-body);
  font-size: .93rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  background: var(--c-white);
}
.form-control:focus, .form-select:focus {
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,.12);
  outline: none;
}
.form-label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .88rem;
  color: var(--c-gray-700);
  margin-bottom: .4rem;
}
.form-text { font-size: .81rem; color: var(--c-gray-400); }

.input-group-text {
  border-radius: var(--radius-md);
  border: 1.5px solid var(--c-gray-200);
  background: var(--c-gray-50);
  color: var(--c-gray-500);
  font-weight: 600;
}

/* ── Tablas ──────────────────────────────────────────────── */
.table {
  font-size: .9rem;
  --bs-table-bg: var(--c-white);
}
.table thead th {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--c-gray-500);
  background: var(--c-gray-50);
  border-bottom: 2px solid var(--c-gray-200);
  padding: .85rem 1rem;
  white-space: nowrap;
}
.table tbody td {
  padding: .8rem 1rem;
  vertical-align: middle;
  border-bottom: 1px solid var(--c-gray-100);
  color: var(--c-gray-800);
}
.table tbody tr:last-child td { border-bottom: none; }
.table tbody tr {
  transition: background var(--transition-fast);
}
.table tbody tr:hover td { background: var(--c-gray-50); }

.table-responsive {
  border-radius: var(--radius-lg);
  border: 1px solid var(--c-gray-200);
  overflow-x: auto;
}

/* ── Modals animados ─────────────────────────────────────── */
.modal-content {
  border-radius: var(--radius-xl);
  border: none;
  box-shadow: var(--shadow-xl);
  overflow: hidden;
}
.modal-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--c-gray-100);
}
.modal-title {
  font-family: var(--font-display);
  font-weight: 700;
}
.modal-body { padding: 1.5rem; }
.modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--c-gray-100);
}

/* Animación de entrada del modal */
.modal.fade .modal-dialog {
  transform: scale(0.92) translateY(-20px);
  transition: transform 0.3s cubic-bezier(.34,1.56,.64,1), opacity 0.3s ease;
  opacity: 0;
}
.modal.show .modal-dialog {
  transform: scale(1) translateY(0);
  opacity: 1;
}

/* ── Alerts ──────────────────────────────────────────────── */
.alert {
  border-radius: var(--radius-md);
  border-left: 4px solid;
  font-size: .9rem;
}
.alert-success { border-color: var(--c-success); background: var(--c-success-light); }
.alert-danger  { border-color: var(--c-danger);  background: var(--c-danger-light);  }
.alert-warning { border-color: var(--c-warning); background: var(--c-warning-light); }
.alert-info    { border-color: var(--c-info);    background: var(--c-info-light);    }

/* ── Dropdown ────────────────────────────────────────────── */
.dropdown-menu {
  border: 1px solid var(--c-gray-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: .5rem;
  font-size: .9rem;
}
.dropdown-item {
  border-radius: var(--radius-sm);
  padding: .5rem .85rem;
  transition: background var(--transition-fast);
  display: flex;
  align-items: center;
  gap: .5rem;
}
.dropdown-item:hover { background: var(--c-gray-50); color: var(--c-primary); }

/* ── Tooltips ────────────────────────────────────────────── */
.tooltip-inner {
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-size: .82rem;
  padding: .35rem .7rem;
}

/* ── Avatar iniciales ────────────────────────────────────── */
.avatar {
  width: 40px; height: 40px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: .95rem;
  color: var(--c-white);
  background: var(--c-primary);
  flex-shrink: 0;
}
.avatar-sm { width: 32px; height: 32px; font-size: .8rem; }
.avatar-lg { width: 56px; height: 56px; font-size: 1.2rem; }

/* ── Empty state ─────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 3.5rem 2rem;
}
.empty-state-icon {
  font-size: 3.5rem;
  color: var(--c-gray-300, #cbd5e1);
  margin-bottom: 1rem;
  display: block;
  line-height: 1;
}
.empty-state h5 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--c-gray-700);
  margin-bottom: .5rem;
}
.empty-state p { color: var(--c-gray-400); font-size: .9rem; margin-bottom: 1.25rem; }

/* ── Sección títulos ─────────────────────────────────────── */
.section-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--c-gray-900);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}
.section-title::after {
  content: '';
  flex: 1;
  height: 2px;
  background: var(--c-gray-100);
  border-radius: 2px;
  margin-left: .5rem;
}

/* ── Comprobante thumbnail ───────────────────────────────── */
.comprobante-thumb {
  width: 48px; height: 48px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  cursor: pointer;
  border: 2px solid var(--c-gray-200);
  transition: all var(--transition-base);
}
.comprobante-thumb:hover {
  border-color: var(--c-primary);
  transform: scale(1.08);
  box-shadow: var(--shadow-md);
}
.comprobante-pdf-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-sm);
  background: var(--c-danger-light);
  color: var(--c-danger);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  cursor: pointer;
  border: 2px solid rgba(220,38,38,.15);
  transition: all var(--transition-base);
}
.comprobante-pdf-icon:hover {
  background: var(--c-danger);
  color: var(--c-white);
  transform: scale(1.08);
}

/* ── Skeleton loader ─────────────────────────────────────── */
.skeleton {
  background: linear-gradient(90deg, var(--c-gray-100) 25%, var(--c-gray-50) 50%, var(--c-gray-100) 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}
@keyframes skeleton-shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ── Moneda COP ──────────────────────────────────────────── */
.monto-positivo { color: var(--c-success); font-weight: 700; }
.monto-negativo { color: var(--c-danger);  font-weight: 700; }
.monto-neutro   { color: var(--c-gray-700); font-weight: 600; }

/* ── Chip de grado ───────────────────────────────────────── */
.chip-grado {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  padding: .25em .75em;
  border-radius: var(--radius-full);
  font-size: .78rem;
  font-weight: 700;
  font-family: var(--font-display);
  background: var(--c-primary-light);
  color: var(--c-primary);
  border: 1px solid rgba(37,99,235,.15);
}

/* ── Animaciones de entrada stagger ─────────────────────── */
.stagger-item { opacity: 0; animation: fadeInUp 0.5s ease forwards; }
.stagger-item:nth-child(1) { animation-delay: 0.05s; }
.stagger-item:nth-child(2) { animation-delay: 0.10s; }
.stagger-item:nth-child(3) { animation-delay: 0.15s; }
.stagger-item:nth-child(4) { animation-delay: 0.20s; }
.stagger-item:nth-child(5) { animation-delay: 0.25s; }
.stagger-item:nth-child(6) { animation-delay: 0.30s; }
.stagger-item:nth-child(n+7) { animation-delay: 0.35s; }

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Utilidades extras ───────────────────────────────────── */
.text-cop    { font-family: var(--font-display); font-weight: 800; }
.fw-800      { font-weight: 800 !important; }
.fw-900      { font-weight: 900 !important; }
.rounded-xl  { border-radius: var(--radius-xl) !important; }
.rounded-lg  { border-radius: var(--radius-lg) !important; }
.rounded-md  { border-radius: var(--radius-md) !important; }
.bg-gradient-primary {
  background: linear-gradient(135deg, var(--c-primary), var(--c-secondary));
}

/* ── Responsive helpers ──────────────────────────────────── */
@media (max-width: 575.98px) {
  .table thead { display: none; }
  .table tbody td {
    display: flex;
    justify-content: space-between;
    padding: .5rem 1rem;
    border-bottom: none;
  }
  .table tbody td::before {
    content: attr(data-label);
    font-weight: 700;
    font-size: .8rem;
    color: var(--c-gray-500);
    text-transform: uppercase;
    letter-spacing: .04em;
  }
  .table tbody tr { border-bottom: 1px solid var(--c-gray-200); }
}

/* ============================================================
   FIN DEL ARCHIVO 11. main.css
   ============================================================ */