/* =============================================================
   PLANILLA DE TRANSFERENCIAS — Estilos globales
   ============================================================= */

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

:root {
  --bg-dark:       #0f1117;
  --bg-card:       #1a1d2e;
  --bg-card2:      #13162a;
  --bg-input:      #0d1020;
  --accent:        #3b82f6;
  --accent-hover:  #2563eb;
  --accent-light:  rgba(59,130,246,.15);
  --success:       #10b981;
  --success-light: rgba(16,185,129,.15);
  --danger:        #ef4444;
  --danger-light:  rgba(239,68,68,.15);
  --warning:       #f59e0b;
  --warning-light: rgba(245,158,11,.15);
  --text-primary:  #f1f5f9;
  --text-sec:      #94a3b8;
  --text-muted:    #475569;
  --border:        rgba(255,255,255,.07);
  --border-accent: rgba(59,130,246,.4);
  --radius:        10px;
  --radius-lg:     16px;
  --shadow:        0 4px 24px rgba(0,0,0,.4);
  --shadow-lg:     0 8px 40px rgba(0,0,0,.6);
  --tr-even:       rgba(255,255,255,.025);
  --tr-hover:      rgba(59,130,246,.08);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 15px; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
}

/* ---------- TOPBAR ---------- */
.topbar {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(0,0,0,.4);
}

.topbar-brand {
  display: flex;
  align-items: center;
  gap: .75rem;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text-primary);
  text-decoration: none;
}

.topbar-brand .icon {
  width: 32px; height: 32px;
  background: var(--accent);
  border-radius: 8px;
  display: grid;
  place-items: center;
  font-size: .85rem;
}

.topbar-nav { display: flex; gap: .25rem; }

.topbar-nav a {
  color: var(--text-sec);
  text-decoration: none;
  padding: .45rem .9rem;
  border-radius: var(--radius);
  font-size: .875rem;
  font-weight: 500;
  transition: all .2s;
}

.topbar-nav a:hover,
.topbar-nav a.active {
  color: var(--text-primary);
  background: var(--accent-light);
}

.topbar-nav a.active { color: var(--accent); }

.topbar-right { display: flex; align-items: center; gap: .75rem; }

.fecha-badge {
  background: var(--bg-dark);
  border: 1px solid var(--border);
  color: var(--text-sec);
  padding: .35rem .8rem;
  border-radius: 20px;
  font-size: .8rem;
  font-weight: 500;
}

/* ---------- LAYOUT ---------- */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.page-title {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: .6rem;
}

.page-title small {
  font-size: .875rem;
  font-weight: 400;
  color: var(--text-sec);
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .55rem 1.2rem;
  border-radius: var(--radius);
  font-family: inherit;
  font-size: .875rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all .2s;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(59,130,246,.4); }

.btn-success {
  background: var(--success);
  color: #fff;
}
.btn-success:hover { background: #059669; transform: translateY(-1px); }

.btn-danger {
  background: var(--danger-light);
  color: var(--danger);
  border: 1px solid rgba(239,68,68,.3);
}
.btn-danger:hover { background: var(--danger); color: #fff; }

.btn-ghost {
  background: transparent;
  color: var(--text-sec);
  border: 1px solid var(--border);
}
.btn-ghost:hover { background: var(--bg-card); color: var(--text-primary); }

.btn-print {
  background: var(--warning-light);
  color: var(--warning);
  border: 1px solid rgba(245,158,11,.3);
}
.btn-print:hover { background: var(--warning); color: #000; }

.btn-lg { padding: .75rem 1.75rem; font-size: 1rem; }
.btn-sm { padding: .3rem .7rem; font-size: .775rem; }

/* ---------- CARDS ---------- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.card-header {
  padding: 1.1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
}

.card-title {
  font-size: .95rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: .5rem;
}

.card-body { padding: 1.5rem; }

/* ---------- STATS GRID ---------- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.2rem 1.4rem;
  transition: border-color .2s;
}

.stat-card:hover { border-color: var(--border-accent); }

.stat-label {
  font-size: .75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-muted);
  margin-bottom: .4rem;
}

.stat-value {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.stat-value.accent  { color: var(--accent); }
.stat-value.success { color: var(--success); }
.stat-value.warning { color: var(--warning); }
.stat-value.danger  { color: var(--danger); }

.stat-sub { font-size: .75rem; color: var(--text-muted); margin-top: .2rem; }

/* ---------- TABLE ---------- */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: .82rem;
}

thead { background: var(--bg-card2); }

thead th {
  padding: .8rem 1rem;
  text-align: left;
  font-weight: 600;
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

thead th.num { text-align: right; }

tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background .15s;
}

tbody tr:nth-child(even) { background: var(--tr-even); }
tbody tr:hover { background: var(--tr-hover); }

tbody td {
  padding: .7rem 1rem;
  color: var(--text-primary);
  vertical-align: middle;
}

tbody td.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-family: 'Inter', monospace;
}

tbody td.muted { color: var(--text-muted); font-size: .78rem; }

tfoot td {
  padding: .85rem 1rem;
  font-weight: 700;
  font-size: .82rem;
  background: var(--bg-card2);
  border-top: 2px solid var(--border-accent);
  color: var(--accent);
}

tfoot td.num { text-align: right; }

/* Matrícula badge */
.matricula-badge {
  background: var(--accent-light);
  color: var(--accent);
  border: 1px solid var(--border-accent);
  padding: .2rem .65rem;
  border-radius: 6px;
  font-weight: 700;
  font-size: .8rem;
  letter-spacing: .05em;
  font-family: monospace;
}

/* Método de pago badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  padding: .2rem .65rem;
  border-radius: 20px;
  font-size: .72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
}

.badge-transferencia { background: var(--accent-light); color: var(--accent); }
.badge-efectivo       { background: var(--success-light); color: var(--success); }
.badge-debito         { background: var(--warning-light); color: var(--warning); }
.badge-cheque         { background: rgba(168,85,247,.15); color: #a855f7; }

.saldo-pos { color: var(--success); font-weight: 600; }
.saldo-neg { color: var(--danger);  font-weight: 600; }
.saldo-zero { color: var(--text-muted); }

/* ---------- FORM ---------- */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.2rem;
}

.form-grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.form-group { display: flex; flex-direction: column; gap: .45rem; }

.form-group.span-2 { grid-column: span 2; }
.form-group.span-full { grid-column: 1 / -1; }

label {
  font-size: .78rem;
  font-weight: 600;
  color: var(--text-sec);
  text-transform: uppercase;
  letter-spacing: .07em;
}

input[type="text"],
input[type="number"],
select,
textarea {
  background: var(--bg-input);
  border: 1.5px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  padding: .6rem .9rem;
  font-family: 'Inter', sans-serif;
  font-size: .9rem;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
  width: 100%;
}

input[type="text"]:focus,
input[type="number"]:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(59,130,246,.2);
}

input[type="number"] { font-variant-numeric: tabular-nums; }

select option { background: var(--bg-card); }

.input-hint {
  font-size: .75rem;
  color: var(--text-muted);
}

/* Total calculado */
.total-display {
  background: var(--accent-light);
  border: 1.5px solid var(--border-accent);
  border-radius: 8px;
  padding: .6rem .9rem;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--accent);
  text-align: right;
  letter-spacing: -.01em;
}

.saldo-display {
  border-radius: 8px;
  padding: .6rem .9rem;
  font-size: 1.2rem;
  font-weight: 700;
  text-align: right;
}

.saldo-display.pos { background: var(--success-light); border: 1.5px solid rgba(16,185,129,.4); color: var(--success); }
.saldo-display.neg { background: var(--danger-light);  border: 1.5px solid rgba(239,68,68,.4);  color: var(--danger);  }
.saldo-display.zero { background: var(--bg-input); border: 1.5px solid var(--border); color: var(--text-muted); }

/* Separador de sección dentro del form */
.form-section-title {
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--text-muted);
  padding-bottom: .5rem;
  border-bottom: 1px solid var(--border);
  grid-column: 1 / -1;
  margin-top: .5rem;
}

/* ---------- ALERTS ---------- */
.alert {
  padding: .85rem 1.1rem;
  border-radius: var(--radius);
  font-size: .875rem;
  display: flex;
  align-items: center;
  gap: .6rem;
  margin-bottom: 1.25rem;
}

.alert-success { background: var(--success-light); color: var(--success); border-left: 3px solid var(--success); }
.alert-danger   { background: var(--danger-light);  color: var(--danger);  border-left: 3px solid var(--danger);  }
.alert-info     { background: var(--accent-light);  color: var(--accent);  border-left: 3px solid var(--accent);  }

/* ---------- EMPTY STATE ---------- */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-muted);
}

.empty-state .icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: .4;
}

.empty-state p { font-size: .9rem; }

/* ---------- HISTORIAL ---------- */
.hist-list { display: flex; flex-direction: column; gap: .5rem; }

.hist-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  transition: border-color .2s, transform .15s;
  text-decoration: none;
  color: inherit;
}

.hist-item:hover {
  border-color: var(--border-accent);
  transform: translateX(3px);
}

.hist-item-date {
  font-weight: 700;
  font-size: .95rem;
  color: var(--text-primary);
}

.hist-item-stats {
  display: flex;
  gap: 1.5rem;
  font-size: .8rem;
  color: var(--text-sec);
}

.hist-item-stats span { display: flex; flex-direction: column; align-items: flex-end; }
.hist-item-stats small { font-size: .68rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: .05em; }

/* ---------- MODAL CONFIRM ---------- */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.7);
  display: none;
  place-items: center;
  z-index: 200;
}

.modal-overlay.active { display: grid; }

.modal-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  max-width: 400px;
  width: 90%;
  box-shadow: var(--shadow-lg);
}

.modal-box h3 { margin-bottom: .75rem; }
.modal-box p  { color: var(--text-sec); font-size: .9rem; margin-bottom: 1.5rem; }
.modal-actions { display: flex; gap: .75rem; justify-content: flex-end; }

/* ---------- RESUMEN PRINT ---------- */
@media print {
  * { -webkit-print-color-adjust: exact !important; print-color-adjust: exact !important; }

  body {
    background: #fff !important;
    color: #000 !important;
    font-size: 10pt;
    font-family: Arial, sans-serif;
  }

  .topbar, .no-print, .btn { display: none !important; }

  .print-only { display: block !important; }

  .container { max-width: 100%; padding: .5cm 1cm; }

  .card {
    border: 1px solid #ccc !important;
    background: #fff !important;
    border-radius: 0 !important;
  }

  thead { background: #1a3a6c !important; }
  thead th { color: #fff !important; font-size: 8pt; }

  tbody tr:nth-child(even) { background: #f5f5f5 !important; }
  tbody td { color: #000 !important; padding: 4pt 6pt; font-size: 8.5pt; }

  tfoot td { background: #1a3a6c !important; color: #fff !important; }

  .matricula-badge {
    background: #e8f0fe !important;
    color: #1a3a6c !important;
    border: 1px solid #1a3a6c !important;
  }

  .badge { border: 1px solid #999 !important; background: #eee !important; color: #333 !important; }

  h1, h2 { color: #1a3a6c !important; }

  .page-header { margin-bottom: .5cm; }

  .stats-grid { display: none; }

  .print-header {
    text-align: center;
    border-bottom: 2px solid #1a3a6c;
    padding-bottom: .3cm;
    margin-bottom: .5cm;
  }
}

/* ---------- UTILITIES ---------- */
.d-flex { display: flex; }
.align-center { align-items: center; }
.gap-1 { gap: .5rem; }
.gap-2 { gap: 1rem; }
.mt-1 { margin-top: .5rem; }
.mt-2 { margin-top: 1rem; }
.mb-2 { margin-bottom: 1rem; }
.text-right { text-align: right; }
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }

/* Responsive */
@media (max-width: 768px) {
  .topbar { padding: 0 1rem; }
  .container { padding: 1.25rem 1rem; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .form-grid { grid-template-columns: 1fr; }
  .form-group.span-2 { grid-column: span 1; }
  .page-header { flex-direction: column; align-items: flex-start; }
  .topbar-nav { display: none; }
}