/* ── Variables ── */
:root {
  --red:        #DC2626;
  --red-dark:   #B91C1C;
  --red-mid:    #EF4444;
  --red-pale:   #FEF2F2;
  --red-pale2:  #FECACA;
  --sidebar-w:  240px;
  --topbar-h:   60px;
  --white:      #FFFFFF;
  --black:      #1A1A1A;
  --gray:       #F7F7F7;
  --gray-mid:   #E0E0E0;
  --gray-text:  #777777;
  --green:      #16A34A;
  --green-pale: #DCFCE7;
  --orange:     #FACC15;
  --orange-text:#D97706;
  --orange-pale:#FEFCE8;
  --blue:       #1A4E8A;
  --blue-pale:  #E8F0FA;
  --shadow:     0 2px 12px rgba(0,0,0,0.08);
  --shadow-lg:  0 8px 32px rgba(0,0,0,0.14);
  --radius:     12px;
  --radius-sm:  8px;
  --transition: 0.2s ease;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 15px; }
body {
  font-family: 'Inter', sans-serif;
  background: var(--gray);
  color: var(--black);
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }

/* ════════════════════════════════════════
   LOGIN
════════════════════════════════════════ */
.login-body { background: #7A1515; min-height: 100vh; display: flex; align-items: center; justify-content: center; }

.login-bg { position: fixed; inset: 0; overflow: hidden; pointer-events: none; }
.shape { position: absolute; border-radius: 50%; opacity: 0.12; }
.shape-1 { width: 500px; height: 500px; background: #fff; top: -150px; left: -150px; }
.shape-2 { width: 350px; height: 350px; background: #fff; bottom: -100px; right: -100px; }
.shape-3 { width: 200px; height: 200px; background: var(--red); top: 40%; left: 60%; }

.login-container { position: relative; z-index: 1; width: 100%; max-width: 420px; padding: 24px; }

.login-card {
  background: var(--white);
  border-radius: 20px;
  padding: 40px 36px;
  box-shadow: var(--shadow-lg);
}

.login-header { text-align: center; margin-bottom: 28px; }
.login-logo { width: 80px; height: 80px; border-radius: 50%; object-fit: cover; margin-bottom: 14px; border: 4px solid var(--red-pale2); }
.login-title { font-size: 1.6rem; font-weight: 700; color: var(--red); letter-spacing: 2px; }
.login-subtitle { font-size: 0.85rem; color: var(--gray-text); margin-top: 4px; }

.login-error {
  background: var(--red-pale);
  color: var(--red);
  border: 1px solid var(--red-pale2);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 0.875rem;
  margin-bottom: 16px;
  display: flex; align-items: center; gap: 8px;
}

.login-form { display: flex; flex-direction: column; gap: 18px; }
.form-label { display: flex; align-items: center; gap: 6px; font-size: 0.85rem; font-weight: 600; color: var(--gray-text); margin-bottom: 6px; }
.form-input {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--gray-mid);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-family: 'Inter', sans-serif;
  transition: var(--transition);
  outline: none;
  background: #FAFAFA;
  color: var(--black);
}
.form-input:focus { border-color: var(--red); background: #fff; box-shadow: 0 0 0 3px rgba(165,32,32,0.1); }

.input-password { position: relative; }
.input-password .form-input { padding-right: 44px; }
.show-pwd {
  position: absolute; right: 12px; top: 50%; transform: translateY(-50%);
  background: none; border: none; cursor: pointer; color: var(--gray-text);
  font-size: 1rem; padding: 4px;
}

.login-btn {
  width: 100%;
  padding: 13px;
  background: var(--red);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  transition: var(--transition);
  margin-top: 4px;
}
.login-btn:hover { background: var(--red-dark); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(165,32,32,0.3); }
.login-btn:active { transform: translateY(0); }

.login-footer { text-align: center; font-size: 0.78rem; color: var(--gray-text); margin-top: 24px; }

/* ════════════════════════════════════════
   LAYOUT — SIDEBAR + MAIN
════════════════════════════════════════ */
.sidebar {
  position: fixed;
  left: 0; top: 0; bottom: 0;
  width: var(--sidebar-w);
  background: #151d2f;
  display: flex; flex-direction: column;
  z-index: 100;
  transition: width var(--transition), transform var(--transition);
  overflow: hidden;
}

.sidebar-logo {
  display: flex; align-items: center; gap: 12px;
  padding: 20px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  min-height: 80px;
}
.logo-img { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; flex-shrink: 0; border: 2px solid rgba(255,255,255,0.3); }
.logo-text { display: flex; flex-direction: column; overflow: hidden; }
.logo-name { font-size: 0.95rem; font-weight: 700; color: #fff; white-space: nowrap; letter-spacing: 1px; }
.logo-sub  { font-size: 0.72rem; color: rgba(255,255,255,0.6); white-space: nowrap; }

.sidebar-nav { flex: 1; padding: 16px 8px; display: flex; flex-direction: column; gap: 4px; overflow-y: auto; }

.nav-item {
  display: flex; align-items: center; gap: 12px;
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  color: rgba(255,255,255,0.75);
  font-size: 0.9rem; font-weight: 500;
  transition: var(--transition);
  white-space: nowrap;
}
.nav-item i { width: 18px; flex-shrink: 0; font-size: 1rem; }
.nav-item:hover { background: rgba(255,255,255,0.12); color: #fff; }
.nav-item.active { background: rgba(165,32,32,0.30); color: #fff; font-weight: 600; box-shadow: inset 3px 0 0 var(--red); }

.sidebar-footer {
  padding: 14px 12px;
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex; align-items: center; gap: 10px;
}
.user-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255,255,255,0.2);
  color: #fff; font-weight: 700; font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.user-details { flex: 1; overflow: hidden; }
.user-name  { display: block; font-size: 0.85rem; font-weight: 600; color: #fff; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-role  { display: block; font-size: 0.72rem; color: rgba(255,255,255,0.6); }
.logout-btn { color: rgba(255,255,255,0.6); font-size: 1rem; padding: 6px; border-radius: 6px; transition: var(--transition); flex-shrink: 0; }
.logout-btn:hover { color: #fff; background: rgba(255,255,255,0.15); }

/* ── MAIN ── */
.main-content {
  margin-left: var(--sidebar-w);
  min-height: 100vh;
  transition: margin-left var(--transition);
}

.topbar {
  position: sticky; top: 0; z-index: 50;
  height: var(--topbar-h);
  background: var(--white);
  border-bottom: 1px solid var(--gray-mid);
  display: flex; align-items: center; gap: 16px;
  padding: 0 24px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}
.toggle-sidebar {
  background: none; border: none; cursor: pointer;
  color: var(--gray-text); font-size: 1.1rem; padding: 6px; border-radius: 6px;
  transition: var(--transition);
}
.toggle-sidebar:hover { background: var(--gray); color: var(--red); }
.topbar-title { font-size: 1.05rem; font-weight: 600; color: var(--black); flex: 1; }
.topbar-right { display: flex; align-items: center; gap: 12px; }
.topbar-date { font-size: 0.82rem; color: var(--gray-text); }

.page-content { padding: 24px; max-width: 1400px; }

/* Collapsed sidebar */
.sidebar.collapsed { width: 64px; }
.sidebar.collapsed .logo-text,
.sidebar.collapsed .nav-item span,
.sidebar.collapsed .user-details,
.sidebar.collapsed .logo-sub { display: none; }
.sidebar.collapsed + .main-content { margin-left: 64px; }
.sidebar.collapsed .sidebar-logo { justify-content: center; padding: 20px 0; }
.sidebar.collapsed .nav-item { justify-content: center; padding: 11px; }
.sidebar.collapsed .sidebar-footer { justify-content: center; }
.sidebar.collapsed .logout-btn { display: none; }

/* ════════════════════════════════════════
   DASHBOARD
════════════════════════════════════════ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 20px 22px;
  display: flex; align-items: center; gap: 16px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }

.stat-icon {
  width: 52px; height: 52px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; flex-shrink: 0;
}
.stat-icon.red    { background: var(--red-pale);    color: var(--red); }
.stat-icon.orange { background: var(--orange-pale);  color: var(--orange); }
.stat-icon.green  { background: var(--green-pale);   color: var(--green); }
.stat-icon.blue   { background: var(--blue-pale);    color: var(--blue); }

.stat-info { display: flex; flex-direction: column; }
.stat-value { font-size: 1.8rem; font-weight: 700; color: var(--black); line-height: 1; }
.stat-label { font-size: 0.8rem; color: var(--gray-text); margin-top: 4px; font-weight: 500; }

.charts-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.chart-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.chart-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--gray-mid);
}
.chart-header h3 { font-size: 0.95rem; font-weight: 600; color: var(--black); display: flex; align-items: center; gap: 8px; }
.chart-header h3 i { color: var(--red); }
.chart-body { padding: 20px; height: 240px; }

/* ════════════════════════════════════════
   TABLES
════════════════════════════════════════ */
.table-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  margin-bottom: 24px;
}
.table-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--gray-mid);
  display: flex; align-items: center; justify-content: space-between;
}
.table-header h3 { font-size: 0.95rem; font-weight: 600; color: var(--black); display: flex; align-items: center; gap: 8px; }
.table-header h3 i { color: var(--red); }
.table-wrapper { overflow-x: auto; }

.data-table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
.data-table thead { background: var(--red); }
.data-table th { padding: 12px 14px; text-align: left; font-weight: 600; color: #fff; font-size: 0.8rem; letter-spacing: 0.5px; white-space: nowrap; }
.data-table td { padding: 11px 14px; border-bottom: 1px solid var(--gray); color: var(--black); }
.data-table tbody tr:hover { background: var(--red-pale); }
.data-table tbody tr:last-child td { border-bottom: none; }
.row-num { color: var(--gray-text); font-size: 0.8rem; font-weight: 500; min-width: 36px; }

/* ════════════════════════════════════════
   BADGES
════════════════════════════════════════ */
.badge {
  display: inline-flex; align-items: center;
  padding: 3px 10px; border-radius: 20px;
  font-size: 0.75rem; font-weight: 600; white-space: nowrap;
}
.badge-curso    { background: var(--red-pale);    color: var(--red); }
.badge-grupo    { background: var(--blue-pale);   color: var(--blue); }
.badge-active   { background: var(--green-pale);  color: var(--green); }
.badge-inactive { background: var(--orange-pale); color: var(--orange); }
.badge-unknown  { background: var(--gray);        color: var(--gray-text); }

/* ════════════════════════════════════════
   SEARCH BAR
════════════════════════════════════════ */
.search-bar-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 16px 20px;
  box-shadow: var(--shadow);
  margin-bottom: 16px;
}
.search-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

.search-input-wrap { position: relative; flex: 1; min-width: 220px; }
.search-icon { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--gray-text); font-size: 0.9rem; }
.search-input { width: 100%; padding: 10px 14px 10px 36px; border: 1.5px solid var(--gray-mid); border-radius: var(--radius-sm); font-size: 0.9rem; font-family: 'Inter', sans-serif; outline: none; transition: var(--transition); }
.search-input:focus { border-color: var(--red); box-shadow: 0 0 0 3px rgba(165,32,32,0.1); }

.filter-select { padding: 10px 12px; border: 1.5px solid var(--gray-mid); border-radius: var(--radius-sm); font-size: 0.875rem; font-family: 'Inter', sans-serif; outline: none; background: #fff; transition: var(--transition); cursor: pointer; }
.filter-select:focus { border-color: var(--red); box-shadow: 0 0 0 3px rgba(165,32,32,0.1); }

.search-count { font-size: 0.82rem; color: var(--gray-text); margin-top: 8px; }
.search-count strong { color: var(--red); }

/* ════════════════════════════════════════
   BUTTONS
════════════════════════════════════════ */
.btn-red {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 18px; background: var(--red); color: #fff;
  border: none; border-radius: var(--radius-sm);
  font-size: 0.875rem; font-weight: 600; font-family: 'Inter', sans-serif;
  cursor: pointer; transition: var(--transition); white-space: nowrap;
}
.btn-red:hover { background: var(--red-dark); box-shadow: 0 4px 12px rgba(165,32,32,0.3); }

.btn-outline {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 18px; background: transparent; color: var(--red);
  border: 1.5px solid var(--red); border-radius: var(--radius-sm);
  font-size: 0.875rem; font-weight: 600; font-family: 'Inter', sans-serif;
  cursor: pointer; transition: var(--transition); white-space: nowrap;
}
.btn-outline:hover { background: var(--red-pale); }

/* ════════════════════════════════════════
   FORM CARD (Agregar)
════════════════════════════════════════ */
.form-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  max-width: 860px;
}
.form-card-header {
  background: linear-gradient(135deg, var(--red-dark), var(--red));
  padding: 28px 32px;
  color: #fff;
}
.form-card-header i { font-size: 1.6rem; margin-bottom: 8px; display: block; opacity: 0.9; }
.form-card-header h2 { font-size: 1.3rem; font-weight: 700; margin-bottom: 4px; }
.form-card-header p { font-size: 0.875rem; opacity: 0.75; }

.registro-form { padding: 28px 32px; display: flex; flex-direction: column; gap: 28px; }

.form-section {}
.section-title {
  font-size: 0.875rem; font-weight: 700; color: var(--red);
  text-transform: uppercase; letter-spacing: 1px;
  margin-bottom: 16px;
  display: flex; align-items: center; gap: 8px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--red-pale2);
}
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.form-group { display: flex; flex-direction: column; }
.form-group .form-label { font-size: 0.82rem; font-weight: 600; color: var(--gray-text); margin-bottom: 6px; }
.required { color: var(--red); }

select.form-input { cursor: pointer; }

.form-actions {
  display: flex; justify-content: flex-end; gap: 12px;
  padding-top: 4px;
  border-top: 1px solid var(--gray-mid);
}

/* ── Alerts ── */
.alert {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 20px; margin: 20px 32px 0;
  border-radius: var(--radius-sm);
  font-size: 0.875rem; font-weight: 500;
}
.alert-success { background: var(--green-pale); color: var(--green); border: 1px solid #b2dfcc; }
.alert-error   { background: var(--red-pale);   color: var(--red);   border: 1px solid var(--red-pale2); }

/* ════════════════════════════════════════
   RECIBO PAGO DOCENTE
════════════════════════════════════════ */
.recibo-layout { display: grid; grid-template-columns: 280px 1fr; gap: 20px; align-items: start; }

.control-card {
  background: var(--white); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 22px;
  position: sticky; top: calc(var(--topbar-h) + 16px);
}
.control-card h3 { font-size: 0.95rem; font-weight: 600; margin-bottom: 18px; display: flex; align-items: center; gap: 8px; }
.control-card h3 i { color: var(--red); }

.recibo-area {}

.recibo-empty {
  background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 80px 40px; text-align: center; color: var(--gray-text);
}
.recibo-empty i { font-size: 3rem; color: var(--red-pale2); margin-bottom: 16px; }
.recibo-empty p { font-size: 0.95rem; }

.recibo-doc {
  background: var(--white); border-radius: var(--radius);
  box-shadow: var(--shadow); overflow: hidden;
}

.recibo-header {
  display: flex; justify-content: space-between; align-items: flex-start;
  padding: 24px 28px;
  border-bottom: 4px solid var(--red);
}
.recibo-empresa { display: flex; align-items: center; gap: 14px; }
.recibo-logo { width: 64px; height: 64px; border-radius: 50%; object-fit: cover; border: 3px solid var(--red-pale2); }
.recibo-empresa-nombre { font-size: 1.1rem; font-weight: 700; color: var(--red); }
.recibo-empresa-info { font-size: 0.78rem; color: var(--gray-text); margin-top: 2px; }
.recibo-meta { text-align: right; }
.recibo-titulo { font-size: 0.95rem; font-weight: 700; color: var(--red-dark); margin-bottom: 10px; letter-spacing: 0.5px; }
.recibo-meta-table td { padding: 3px 10px; font-size: 0.82rem; }
.recibo-meta-table td:first-child { color: var(--gray-text); text-align: right; }
.recibo-meta-table td:last-child { text-align: left; }

.recibo-seccion { padding: 0 28px 16px; }
.recibo-seccion-titulo {
  padding: 10px 14px; font-size: 0.85rem; font-weight: 700;
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 0; color: var(--white);
}
.recibo-seccion-titulo.nuevos { background: var(--red); }
.recibo-seccion-titulo.reinsc { background: var(--red-dark); }
.recibo-seccion-titulo.indiv  { background: var(--red-mid); }

.recibo-tabla { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.recibo-tabla th { background: var(--red-pale2); color: var(--red-dark); padding: 8px 10px; text-align: left; font-size: 0.78rem; font-weight: 700; }
.recibo-tabla td { padding: 7px 10px; border-bottom: 1px solid var(--red-pale); }
.recibo-tabla tbody tr:hover { background: var(--red-pale); }
.subtotal-row td { background: var(--red-pale2); font-weight: 700; color: var(--red); border-top: 1px solid var(--red-pale2); }
.monto { text-align: right; font-weight: 600; }

.recibo-total {
  margin: 16px 28px;
  background: var(--red); color: var(--white);
  border-radius: var(--radius-sm); padding: 18px 22px;
}
.recibo-total-row { display: flex; justify-content: space-between; align-items: center; font-weight: 700; }
.recibo-total-row span:first-child { font-size: 1rem; letter-spacing: 1px; }
.recibo-total-monto { font-size: 1.6rem; }
.recibo-obs { font-size: 0.72rem; margin-top: 8px; opacity: 0.75; }

.recibo-pie {
  display: flex; justify-content: space-around;
  padding: 40px 28px 28px;
  border-top: 1px solid var(--gray-mid);
  margin-top: 20px;
}
.firma-box { text-align: center; font-size: 0.85rem; }
.firma-linea { border-top: 1px solid var(--black); width: 180px; margin: 0 auto 8px; }
.firma-sub { font-size: 0.75rem; color: var(--gray-text); margin-top: 4px; }

@media (max-width: 860px) {
  .recibo-layout { grid-template-columns: 1fr; }
  .control-card { position: static; }
}

/* ── Nav section labels ── */
.nav-section-label {
  padding: 14px 14px 4px;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: rgba(255,255,255,0.35);
  text-transform: uppercase;
}
.sidebar.collapsed .nav-section-label { display: none; }

/* ── Flujo de ingresos ── */
.flujo-card {
  background: var(--white); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 24px 28px; margin-bottom: 20px;
}
.flujo-title { font-size: 0.95rem; font-weight: 600; margin-bottom: 20px; display:flex;align-items:center;gap:8px; }
.flujo-title i { color: var(--red); }
.flujo-grid { display: flex; align-items: stretch; gap: 0; flex-wrap: wrap; }
.flujo-item {
  flex: 1; min-width: 150px;
  display: flex; align-items: center; gap: 14px;
  padding: 18px 16px; border-radius: var(--radius-sm); border: 2px solid transparent;
}
.flujo-icon { font-size: 1.4rem; flex-shrink: 0; width: 42px; height: 42px; border-radius: 10px; display:flex;align-items:center;justify-content:center; }
.flujo-info { display: flex; flex-direction: column; gap: 2px; }
.flujo-label { font-size: 0.7rem; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; }
.flujo-value { font-size: 1.15rem; font-weight: 700; }
.flujo-sub   { font-size: 0.7rem; color: var(--gray-text); }
.flujo-arrow { display:flex;align-items:center;justify-content:center;padding:0 8px;font-size:1.1rem;color:var(--gray-text);flex-shrink:0; }

.flujo-bruto-blue  { background:var(--blue-pale); border-color:#B2C8DF; }
.flujo-bruto-blue  .flujo-icon { background:var(--blue); color:#fff; }
.flujo-bruto-blue  .flujo-label { color:var(--blue); }
.flujo-bruto-blue  .flujo-value { color:var(--blue); }

.flujo-doc    { background:#FDF0F0; border-color:var(--red-pale2); position:relative; padding-right:48px; }
.flujo-doc    .flujo-icon { background:var(--red); color:#fff; }
.flujo-doc    .flujo-label { color:var(--red); }
.flujo-doc    .flujo-value { color:var(--red); }

.flujo-pub    { background:#FFF0E0; border-color:#F5D0A0; }
.flujo-pub    .flujo-icon { background:var(--orange); color:#fff; }
.flujo-pub    .flujo-label { color:var(--orange); }
.flujo-pub    .flujo-value { color:var(--orange); }

.flujo-ops    { background:#F3EEF8; border-color:#C9AEE8; position:relative; padding-right:48px; }
.flujo-ops    .flujo-icon { background:#7B2FBE; color:#fff; }
.flujo-ops    .flujo-label { color:#5A1F8A; }
.flujo-ops    .flujo-value { color:#5A1F8A; }

.flujo-neto-green { background:linear-gradient(135deg,#E8F5EE,#D0EEDa); border-color:#27AE60; border-width:3px; }
.flujo-neto-green .flujo-icon { background:var(--green); color:#fff; }
.flujo-neto-green .flujo-label { color:var(--green); }
.flujo-neto-green .flujo-value { color:var(--green); font-size:1.3rem; }

/* Expand button in flujo */
.flujo-expand-btn {
  position: absolute; right: 10px; top: 50%; transform: translateY(-50%);
  background: none; border: 1.5px solid #C9AEE8; color: #7B2FBE;
  border-radius: 6px; width: 28px; height: 28px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background var(--transition);
}
.flujo-expand-btn:hover { background: #E8D8F8; }
.flujo-expand-btn i { transition: transform 0.25s ease; }
.flujo-doc .flujo-expand-btn { border-color:var(--red-pale2); color:var(--red); top:auto; transform:none; bottom:10px; }
.flujo-doc .flujo-expand-btn:hover { background:#FDDADA; }
.flujo-ops .flujo-expand-btn { top:auto; transform:none; bottom:10px; }

/* Gastos ops breakdown */
.ops-detail {
  margin-top: 16px; padding: 16px 20px;
  background: #F3EEF8; border-radius: var(--radius-sm);
  border: 1.5px solid #C9AEE8;
}
.ops-detail-title { font-size: 0.8rem; font-weight: 700; color: #5A1F8A; margin-bottom: 12px; display:flex;align-items:center;gap:6px; }
.ops-detail-grid { display: flex; flex-direction: column; gap: 8px; }
.ops-detail-row { display: flex; justify-content: space-between; align-items: center; font-size: 0.88rem; }
.ops-cat-label { display:flex; align-items:center; gap:6px; color:#444; }
.ops-cat-label i { color:#7B2FBE; width:14px; text-align:center; }
.ops-cat-value { font-weight: 600; color: #333; }
.ops-total-row { border-top: 1.5px solid #C9AEE8; padding-top: 8px; margin-top: 4px; }
.ops-total-row .ops-cat-value { color: #5A1F8A; }

/* Doc detail — variante roja */
#doc-detail.ops-detail { background:#FDF0F0; border-color:var(--red-pale2); }
#doc-detail .ops-detail-title { color:var(--red); }
#doc-detail .ops-cat-label i { color:var(--red); }
#doc-detail .ops-total-row { border-top-color:var(--red-pale2); }
#doc-detail .ops-total-row .ops-cat-value { color:var(--red); }

/* Cuota 2 check */
.cuota2-check { font-size: 1rem; }
.cuota2-check.pagado    { color: var(--green); }
.cuota2-check.pendiente { color: var(--gray-mid); }
.cuota2-check.nocontinua { color: var(--red); }

/* Cuota 2 clickable icons */
.c2-icon {
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  user-select: none;
  display: inline-block;
  width: 1.4rem;
  text-align: center;
  line-height: 1;
}
.c2-icon.c2-pend { color: #aaaaaa; }
.c2-icon.c2-noc  { color: var(--red); }
.c2-icon:hover   { opacity: 0.65; }

/* ── Progress bar ── */
.progress-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 20px 24px;
  box-shadow: var(--shadow);
  margin-bottom: 20px;
}
.progress-card h3 { font-size: 0.95rem; font-weight: 600; color: var(--black); margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }
.progress-card h3 i { color: var(--red); }
.progress-bar-wrap { display: flex; height: 36px; border-radius: 8px; overflow: hidden; gap: 2px; }
.progress-segment { display: flex; align-items: center; justify-content: center; font-size: 0.75rem; font-weight: 700; color: #fff; transition: width 0.6s ease; min-width: 40px; }
.progress-segment.green  { background: var(--green); }
.progress-segment.red    { background: var(--red); }
.progress-segment.orange { background: var(--orange); }
.progress-legend { margin-top: 12px; display: flex; gap: 20px; flex-wrap: wrap; font-size: 0.8rem; color: var(--gray-text); align-items: center; }
.legend-dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.legend-dot.green  { background: var(--green); }
.legend-dot.red    { background: var(--red); }
.legend-dot.orange { background: var(--orange); }
.ml { margin-left: 16px; }

/* ── Inline bar ── */
.inline-bar { display: flex; align-items: center; gap: 8px; }
.inline-bar-fill { height: 8px; background: var(--red); border-radius: 4px; min-width: 4px; max-width: 180px; transition: width 0.4s; }
.inline-bar span { font-size: 0.8rem; color: var(--gray-text); min-width: 40px; }

/* ── Table extras ── */
.center { text-align: center; }
.total-cell { color: var(--red); font-size: 1rem; }
.total-row td { background: var(--red-pale2); font-size: 0.95rem; border-top: 2px solid var(--red-pale2); }

/* ── Docente cards ── */
.docentes-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 20px;
}
.docente-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: var(--transition);
}
.docente-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.docente-card-header {
  background: linear-gradient(135deg, var(--red-dark), var(--red));
  padding: 16px;
  display: flex; align-items: center; gap: 12px;
}
.docente-avatar    { width:32px;height:32px;border-radius:50%;background:rgba(255,255,255,0.2);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;font-size:0.95rem;flex-shrink:0; }
.docente-avatar-lg { width:44px;height:44px;border-radius:50%;background:rgba(255,255,255,0.2);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;font-size:1.2rem;flex-shrink:0; }
.docente-name { display:flex;align-items:center;gap:10px; }
.docente-card-name { font-weight:700;color:#fff;font-size:0.95rem; }
.docente-card-sub  { font-size:0.75rem;color:rgba(255,255,255,0.7); }
.docente-card-stats { display:flex;justify-content:space-around;padding:14px 12px; border-bottom:1px solid var(--gray); }
.ds-item { display:flex;flex-direction:column;align-items:center;gap:2px; }
.ds-label { font-size:0.7rem;color:var(--gray-text);font-weight:600;text-transform:uppercase; }
.ds-val   { font-size:1.2rem;font-weight:700; }
.ds-val.green  { color:var(--green); }
.ds-val.blue   { color:var(--blue); }
.ds-val.orange { color:var(--orange); }
.docente-card-total { padding:12px 16px;display:flex;align-items:center;justify-content:space-between; }
.dt-label { font-size:0.75rem;color:var(--gray-text);font-weight:600; }
.dt-value { font-size:1rem;font-weight:700;color:var(--red); }

/* ════════════════════════════════════════
   RESPONSIVE
════════════════════════════════════════ */
@media (max-width: 900px) {
  :root { --sidebar-w: 64px; }
  .logo-text, .nav-item span, .user-details, .logo-sub { display: none; }
  .sidebar-logo { justify-content: center; padding: 20px 0; }
  .nav-item { justify-content: center; padding: 11px; }
  .sidebar-footer { justify-content: center; }
  .logout-btn { display: none; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .charts-grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .page-content { padding: 16px; }
}

/* ── Gastos ──────────────────────────────────────────────────────────────── */
.gastos-summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}
.gasto-cat-card {
  background: #fff;
  border-radius: 12px;
  padding: 16px 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  border: 1px solid var(--gray-light);
  box-shadow: 0 1px 4px rgba(0,0,0,.06);
}
.gasto-cat-icon {
  width: 42px; height: 42px;
  border-radius: 10px;
  background: var(--red-pale);
  color: var(--red);
  display: flex; align-items: center; justify-content: center;
  font-size: 17px;
  flex-shrink: 0;
}
.gasto-cat-info { display: flex; flex-direction: column; }
.gasto-cat-label {
  font-size: 10px; font-weight: 700; color: var(--gray-dark);
  letter-spacing: .5px; text-transform: uppercase;
}
.gasto-cat-value {
  font-size: 17px; font-weight: 700; color: var(--dark); margin-top: 2px;
}
.gasto-total-card { background: var(--red); border-color: var(--red); }
.gasto-total-card .gasto-cat-icon { background: rgba(255,255,255,.18); color: #fff; }
.gasto-total-card .gasto-cat-label,
.gasto-total-card .gasto-cat-value { color: #fff; }

.badge-gasto { display: inline-block; padding: 3px 10px; border-radius: 12px; font-size: 11px; font-weight: 600; }
.badge-pub  { background: #fde8e8; color: #A52020; }
.badge-sus  { background: #e8eeff; color: #2557C3; }
.badge-op   { background: #fff4e0; color: #B45309; }
.badge-cont { background: #e6f9ee; color: #1A7A40; }

.btn-icon-danger {
  background: none; border: none; cursor: pointer;
  color: #C03030; padding: 4px 8px; border-radius: 6px; transition: background .15s;
}
.btn-icon-danger:hover { background: #fde8e8; }

.msg-banner {
  padding: 10px 16px; border-radius: 8px; margin-bottom: 16px;
  font-size: 13px; font-weight: 500;
}
.msg-success { background: #e6f9ee; color: #1A7A40; border: 1px solid #b6e8cb; }
.msg-error   { background: #fde8e8; color: #A52020; border: 1px solid #f5b8b8; }

/* ── Botones de acción en tablas ──────────────────────────────────────────── */
.btn-action { background: none; border: none; cursor: pointer; padding: 5px 7px; border-radius: 6px; font-size: 13px; transition: background .15s; line-height: 1; }
.btn-action.edit   { color: #2557C3; }
.btn-action.edit:hover   { background: #e8eeff; }
.btn-action.delete { color: #A52020; }
.btn-action.delete:hover { background: #fde8e8; }
.btn-action.nocontinua { color: #A52020; }
.btn-action.nocontinua:hover { background: #fde8e8; }
.btn-action.pago2  { color: #1A7A40; }
.btn-action.pago2:hover  { background: #e6f9ee; }
.btn-action.reinsc { color: #B45309; }
.btn-action.reinsc:hover { background: #fff4e0; }
.btn-action.recordatorio { color: #6B21A8; }
.btn-action.recordatorio:hover { background: #f3e8ff; }
.actions-cell { display: flex; gap: 1px; align-items: center; }

/* ── Cuota cards ─────────────────────────────────────────────────────────── */
.cuotas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.cuota-card {
  background: #fff;
  border-radius: 14px;
  padding: 20px;
  border: 1px solid var(--gray-mid);
  box-shadow: 0 1px 6px rgba(0,0,0,.06);
  display: flex; flex-direction: column; gap: 4px;
}
.cuota-card-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 12px;
}
.cuota-tag {
  font-size: 11px; font-weight: 800; letter-spacing: 1px;
  padding: 3px 10px; border-radius: 20px; text-transform: uppercase;
}
.cuota-tag-1 { background: var(--red-pale2); color: var(--red); }
.cuota-tag-2 { background: #f0d8d8; color: var(--red-dark); }
.cuota-tag-3 { background: #e8d0d0; color: #6A0F0F; }
.cuota-tag-i { background: #e8eeff; color: #2557C3; }
.cuota-sub   { font-size: 11px; color: var(--gray-text); }
.cuota-row   { display: flex; justify-content: space-between; align-items: center; font-size: 13px; padding: 3px 0; }
.cuota-row-label { color: var(--gray-text); }
.cuota-row-value { font-weight: 600; }
.cuota-row.deduccion .cuota-row-label { color: #A52020; font-size: 12px; }
.cuota-row.deduccion .cuota-row-value { color: #A52020; font-size: 12px; }
.cuota-divider { border: none; border-top: 1px dashed var(--gray-mid); margin: 8px 0; }
.cuota-neto { display: flex; justify-content: space-between; align-items: center; margin-top: 4px; }
.cuota-neto-label { font-size: 12px; font-weight: 700; color: var(--gray-text); text-transform: uppercase; letter-spacing: .5px; }
.cuota-neto-value { font-size: 18px; font-weight: 800; color: var(--red-dark); }
.cuota-neto-value.positivo { color: #1A7A3F; }

/* ── Loading overlay ─────────────────────────────────────────────────────── */
.loading-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.45);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  z-index: 2000; gap: 16px;
}
.loading-spinner {
  width: 48px; height: 48px; border: 5px solid rgba(255,255,255,0.25);
  border-top-color: #fff; border-radius: 50%;
  animation: spin .8s linear infinite;
}
.loading-text { color: #fff; font-size: 15px; font-weight: 600; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Modal ────────────────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.45);
  display: flex; align-items: center; justify-content: center; z-index: 1000;
}
.modal-box {
  background: #fff; border-radius: 16px; padding: 28px 32px;
  width: 100%; max-width: 500px; box-shadow: var(--shadow-lg);
  position: relative; max-height: 90vh; overflow-y: auto;
}
.modal-title {
  font-size: 1.05rem; font-weight: 700; color: var(--black);
  margin-bottom: 20px; display: flex; align-items: center; gap: 10px;
  padding-right: 28px;
}
.modal-close {
  position: absolute; top: 18px; right: 18px;
  background: none; border: none; cursor: pointer;
  font-size: 1.1rem; color: var(--gray-text); border-radius: 6px; padding: 4px 6px;
}
.modal-close:hover { color: var(--black); background: var(--gray); }
.modal-footer { display: flex; gap: 10px; justify-content: flex-end; margin-top: 20px; }

/* ── Activos toggle button ────────────────────────────────────────────────── */
.btn-activos {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 16px; background: transparent; color: var(--gray-text);
  border: 1.5px solid var(--gray-mid); border-radius: var(--radius-sm);
  font-size: 0.875rem; font-weight: 600; font-family: 'Inter', sans-serif;
  cursor: pointer; transition: var(--transition); white-space: nowrap;
}
.btn-activos:hover { background: var(--green-pale); color: var(--green); border-color: var(--green); }
.btn-activos.activos-on { background: var(--green-pale); color: var(--green); border-color: var(--green); }

/* ── Welcome banner ─────────────────────────────────────────────────────────── */
.welcome-banner {
  text-align: center; padding: 16px 0 10px; margin-bottom: 20px;
}
.welcome-text {
  font-family: 'Pacifico', cursive;
  font-size: clamp(3rem, 7vw, 7rem);
  color: var(--red);
  letter-spacing: 0.5px;
  text-shadow: 2px 3px 12px rgba(165,32,32,.13);
  display: block;
  line-height: 1.1;
}

/* ── Calendar ─────────────────────────────────────────────────────────────── */
.cal-nav {
  background: none; border: 1px solid var(--gray-mid); color: var(--gray-dark);
  border-radius: var(--radius-sm); width: 28px; height: 28px; cursor: pointer;
  display: flex; align-items: center; justify-content: center; font-size: 0.75rem;
  transition: background var(--transition);
}
.cal-nav:hover { background: var(--gray-pale); }
.cal-grid-header {
  display: grid; grid-template-columns: repeat(7,1fr);
  text-align: center; font-size: 0.72rem; font-weight: 600;
  color: var(--gray-text); padding: 8px 0 4px; letter-spacing: 0.3px;
}
.cal-grid {
  display: grid; grid-template-columns: repeat(7,1fr); gap: 2px; padding: 4px 0;
}
.cal-day {
  aspect-ratio: 1; display: flex; align-items: center; justify-content: center;
  font-size: 0.82rem; border-radius: 6px; cursor: pointer; position: relative;
  flex-direction: column; gap: 1px;
  transition: background var(--transition), color var(--transition);
}
.cal-day:hover { background: var(--gray-pale); }
.cal-day.today { background: var(--red-pale2); color: var(--red); font-weight: 700; }
.cal-day.selected { background: var(--red); color: #fff !important; }
.cal-day.empty { cursor: default; }
.cal-dot {
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--red); display: block; flex-shrink: 0;
}
.cal-day.selected .cal-dot { background: #fff; }

/* ── Multi-month dropdown ─────────────────────────────────────────────────── */
.multi-month-wrap { position: relative; }
.multi-month-btn {
  display: inline-flex; align-items: center; justify-content: space-between;
  cursor: pointer; text-align: left; width: 100%; white-space: nowrap;
}
.multi-month-panel {
  position: absolute; top: calc(100% + 4px); left: 0;
  background: #fff; border: 1px solid var(--gray-mid);
  border-radius: var(--radius-sm); box-shadow: 0 4px 16px rgba(0,0,0,.12);
  z-index: 200; min-width: 190px; max-height: 260px; overflow-y: auto; padding: 4px 0;
}
.multi-month-item {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 14px; font-size: 0.85rem; cursor: pointer;
  color: var(--gray-dark); transition: background .15s;
}
.multi-month-item:hover { background: var(--gray-pale); }
.multi-month-item input[type=checkbox] { accent-color: var(--red); width: 14px; height: 14px; cursor: pointer; }


/* ── Payment method legend ────────────────────────────────────────────────── */
.metodo-legend {
  padding: 12px 20px 16px;
  display: flex; flex-direction: column; gap: 8px;
  border-top: 1px solid var(--gray-mid);
}
.metodo-legend-item {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.82rem;
}
.metodo-dot {
  width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0;
}
.metodo-icon-img {
  width: 22px; height: 22px; object-fit: contain; border-radius: 4px;
  background: #f5f5f5; flex-shrink: 0;
}
.metodo-name  { flex: 1; color: var(--black); font-weight: 500; }
.metodo-pct   { font-weight: 700; color: var(--black); min-width: 44px; text-align: right; }
.metodo-monto { color: var(--gray-text); min-width: 100px; text-align: right; }

/* ── Nav badge (punto de notificación) ────────────────────────────────────── */
.nav-badge {
  display: none;
  background: var(--red);
  border-radius: 50%;
  width: 7px;
  height: 7px;
  min-width: 7px;
  padding: 0;
  vertical-align: middle;
  margin-left: 5px;
  flex-shrink: 0;
}

/* ── WhatsApp link ────────────────────────────────────────────────────────── */
.wa-link {
  display: inline-flex; align-items: center; gap: 5px;
  color: #1A7A3F;
  font-weight: 500;
  font-size: 0.85rem;
  border-radius: 6px;
  padding: 2px 6px;
  transition: background var(--transition);
}
.wa-link:hover { background: var(--green-pale); }
.wa-link i { font-size: 1rem; }

/* ── Tasks panel ─────────────────────────────────────────────────────────── */
.task-item {
  display: flex; align-items: flex-start; gap: 8px;
  padding: 7px 0;
  border-bottom: 1px solid var(--gray);
  font-size: 0.83rem;
}
.task-item:last-child { border-bottom: none; }
.task-done-btn {
  background: none; border: 1.5px solid var(--gray-mid);
  border-radius: 50%; width: 18px; height: 18px;
  cursor: pointer; flex-shrink: 0; margin-top: 1px;
  display: flex; align-items: center; justify-content: center;
  color: transparent; transition: all .15s;
}
.task-done-btn:hover { border-color: var(--green); color: var(--green); }
.task-date {
  font-size: 0.75rem;
  color: var(--gray-text);
  white-space: nowrap;
  flex-shrink: 0;
  min-width: 72px;
}
.task-text { flex: 1; line-height: 1.4; color: var(--black); }
.task-recurring-icon { color: var(--gray-text); font-size: 0.7rem; flex-shrink: 0; margin-top: 2px; }
.task-wa-btn { color: #1A7A3F; font-size: 1rem; text-decoration: none; flex-shrink: 0; line-height: 1; transition: color .15s; }
.task-wa-btn:hover { color: #0f4f28; }
/* Tarea con info de estudiante */
.task-item-student { align-items: flex-start; }
.task-body { flex: 1; display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.task-top  { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.task-nombre { font-size: 0.85rem; color: var(--black); font-weight: 700; }
.task-contact { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 1px; }
.task-apod { font-size: 0.76rem; color: var(--gray-text); }
.task-wa-link { display: inline-flex; align-items: center; gap: 5px; color: #1A7A3F; font-weight: 600; font-size: 0.82rem; text-decoration: none; }
.task-wa-link:hover { color: #0f4f28; text-decoration: underline; }
.task-wa-link i { font-size: 0.95rem; }
.task-empty { font-size: 0.8rem; color: var(--gray-text); padding: 8px 0; }

/* ── Desempeño page ───────────────────────────────────────────────────────── */
.desemp-header {
  display: flex; align-items: center; gap: 10px;
  font-size: 0.95rem; font-weight: 600;
}
.desemp-header i { color: var(--red); }