/* ── Reset & Base ─────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --c-bg:       #f7f5f2;
  --c-surface:  #ffffff;
  --c-border:   #e4e0d8;
  --c-text:     #1a1814;
  --c-muted:    #6b6860;
  --c-primary:  #2d6a4f;
  --c-primary-h:#1e4d38;
  --c-danger:   #c0392b;
  --c-danger-h: #a93226;
  --c-success:  #1e7e34;
  --c-warning:  #856404;
  --c-info:     #0c5460;
  --c-positive: #1e7e34;
  --c-negative: #c0392b;
  --radius:     10px;
  --radius-sm:  6px;
  --shadow:     0 1px 4px rgba(0,0,0,.08);
}

body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: var(--c-bg);
  color: var(--c-text);
  font-size: 15px;
  line-height: 1.6;
}

/* ── Navbar ───────────────────────────────────────────── */
.navbar {
  background: var(--c-surface);
  border-bottom: 1px solid var(--c-border);
  display: flex;
  align-items: center;
  padding: 0 1.5rem;
  height: 56px;
  gap: 1.5rem;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
}
.nav-brand { font-weight: 700; font-size: 1.05rem; white-space: nowrap; }
.nav-links { display: flex; gap: .25rem; flex: 1; }
.nav-links a {
  padding: 6px 12px; border-radius: var(--radius-sm);
  text-decoration: none; color: var(--c-muted);
  font-size: .9rem; transition: background .15s, color .15s;
}
.nav-links a:hover, .nav-links a.active {
  background: var(--c-bg); color: var(--c-text); font-weight: 600;
}
.nav-user { display: flex; align-items: center; gap: .75rem; font-size: .875rem; color: var(--c-muted); }
.btn-logout {
  padding: 5px 12px; border-radius: var(--radius-sm);
  background: transparent; border: 1px solid var(--c-border);
  color: var(--c-muted); text-decoration: none; font-size: .8rem;
  transition: background .15s;
}
.btn-logout:hover { background: var(--c-bg); }

/* ── Container ────────────────────────────────────────── */
.container { max-width: 1100px; margin: 0 auto; padding: 1.75rem 1.5rem 3rem; }

/* ── Alerts ───────────────────────────────────────────── */
.alert {
  padding: .75rem 1rem; border-radius: var(--radius-sm);
  margin-bottom: 1rem; font-size: .9rem; border: 1px solid transparent;
}
.alert-success { background: #d4edda; color: #155724; border-color: #c3e6cb; }
.alert-danger  { background: #f8d7da; color: #721c24; border-color: #f5c6cb; }
.alert-warning { background: #fff3cd; color: #856404; border-color: #ffeeba; }
.alert-info    { background: #d1ecf1; color: #0c5460; border-color: #bee5eb; }

/* ── Page header ──────────────────────────────────────── */
.page-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 1.5rem; flex-wrap: wrap; gap: .75rem;
}
.page-header h2 { font-size: 1.4rem; font-weight: 700; }
.section-title { font-size: 1rem; font-weight: 600; color: var(--c-muted); text-transform: uppercase; letter-spacing: .05em; margin-bottom: .75rem; }

/* ── Buttons ──────────────────────────────────────────── */
.btn {
  display: inline-block; padding: 8px 18px; border-radius: var(--radius-sm);
  font-size: .9rem; font-weight: 600; text-decoration: none; cursor: pointer;
  border: none; transition: background .15s, transform .1s;
}
.btn:active { transform: scale(.98); }
.btn-primary  { background: var(--c-primary);  color: #fff; }
.btn-primary:hover { background: var(--c-primary-h); }
.btn-secondary { background: var(--c-surface); color: var(--c-text); border: 1px solid var(--c-border); }
.btn-secondary:hover { background: var(--c-bg); }
.btn-full { width: 100%; text-align: center; padding: 11px; }
.btn-sm {
  display: inline-block; padding: 3px 10px; border-radius: var(--radius-sm);
  font-size: .8rem; font-weight: 600; text-decoration: none; cursor: pointer;
  border: 1px solid transparent; transition: background .15s;
}
.btn-edit   { background: #e8f4f8; color: #0c5460; border-color: #bee5eb; }
.btn-edit:hover { background: #bee5eb; }
.btn-delete { background: #fde8e8; color: #721c24; border-color: #f5c6cb; }
.btn-delete:hover { background: #f5c6cb; }

/* ── Cards ────────────────────────────────────────────── */
.cards-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem; margin-bottom: 1rem;
}
.card {
  background: var(--c-surface); border: 1px solid var(--c-border);
  border-radius: var(--radius); padding: 1.1rem 1.25rem; box-shadow: var(--shadow);
}
.card-stat .stat-label { font-size: .78rem; color: var(--c-muted); text-transform: uppercase; letter-spacing: .05em; margin-bottom: .3rem; }
.card-stat .stat-value { font-size: 1.6rem; font-weight: 700; line-height: 1.2; }
.card-stat .stat-sub   { font-size: .8rem; margin-top: .35rem; font-weight: 600; }
.positive { color: var(--c-positive); }
.negative { color: var(--c-negative); }

/* ── Deuda banner ─────────────────────────────────────── */
.deuda-banner {
  background: #fff3cd; border: 1px solid #ffeeba; border-radius: var(--radius-sm);
  padding: .85rem 1.1rem; color: #856404; font-size: .95rem; margin: 1rem 0;
}
.deuda-acum { background: #d1ecf1; border-color: #bee5eb; color: #0c5460; }

/* ── Tables ───────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
.table {
  width: 100%; border-collapse: collapse; background: var(--c-surface);
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow);
  font-size: .875rem;
}
.table th {
  background: var(--c-bg); padding: 10px 14px; text-align: left;
  font-size: .78rem; text-transform: uppercase; letter-spacing: .05em;
  color: var(--c-muted); border-bottom: 1px solid var(--c-border); white-space: nowrap;
}
.table td { padding: 10px 14px; border-bottom: 1px solid var(--c-border); vertical-align: middle; }
.table tbody tr:last-child td { border-bottom: none; }
.table tbody tr:hover { background: #f9f7f4; }
.row-highlight td { background: #fffde7 !important; font-weight: 600; }
.text-muted { color: var(--c-muted); font-size: .85rem; }
.actions { white-space: nowrap; display: flex; gap: 6px; align-items: center; }

/* ── Badges ───────────────────────────────────────────── */
.badge {
  display: inline-block; padding: 2px 9px; border-radius: 20px;
  font-size: .75rem; font-weight: 600;
}
.badge-cat     { background: #e8f0fe; color: #1a56db; }
.badge-admin   { background: #fde8e8; color: #9b1c1c; }
.badge-user    { background: #e8f4f8; color: #0c5460; }
.badge-active  { background: #d4edda; color: #155724; }
.badge-abono   { background: #fef3c7; color: #92400e; }
.link-detalle  { color: var(--c-primary); text-decoration: none; font-weight: 500; }
.link-detalle:hover { text-decoration: underline; }

/* ── Forms ────────────────────────────────────────────── */
.form-card {
  background: var(--c-surface); border: 1px solid var(--c-border);
  border-radius: var(--radius); padding: 1.75rem; box-shadow: var(--shadow);
  max-width: 800px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1rem; }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }
.form-group { display: flex; flex-direction: column; gap: 5px; margin-bottom: .75rem; }
.form-group label { font-size: .85rem; font-weight: 600; color: var(--c-muted); }
.form-group input, .form-group select, .form-group textarea {
  padding: 9px 12px; border: 1px solid var(--c-border); border-radius: var(--radius-sm);
  font-size: .9rem; background: var(--c-surface); color: var(--c-text);
  transition: border-color .15s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--c-primary); box-shadow: 0 0 0 3px rgba(45,106,79,.12);
}
.form-actions { display: flex; gap: .75rem; margin-top: 1.5rem; }
.checkbox-group { display: flex; align-items: center; gap: .5rem; padding-top: .5rem; }
.info-box {
  background: #e8f4f8; border: 1px solid #bee5eb; border-radius: var(--radius-sm);
  padding: .75rem 1rem; font-size: .875rem; color: var(--c-info);
}
.nota-tip { cursor: help; margin-left: 4px; font-size: .85rem; }

/* ── Login ────────────────────────────────────────────── */
.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-card {
  background: var(--c-surface); border: 1px solid var(--c-border);
  border-radius: var(--radius); padding: 2.5rem 2rem; width: 100%; max-width: 420px;
  box-shadow: 0 4px 24px rgba(0,0,0,.09);
}
.login-header { text-align: center; margin-bottom: 2rem; }
.login-icon { font-size: 2.5rem; margin-bottom: .5rem; }
.login-header h1 { font-size: 1.5rem; font-weight: 700; }
.login-header p  { color: var(--c-muted); font-size: .9rem; margin-top: .25rem; }

/* ── Empty state ──────────────────────────────────────── */
.empty-state { text-align: center; padding: 3rem 1rem; color: var(--c-muted); }
.empty-state p { margin-bottom: 1rem; }

/* ── Quick links ──────────────────────────────────────── */
.quick-links { display: flex; gap: .75rem; margin-top: 1.5rem; flex-wrap: wrap; }

/* ── Mes selector ─────────────────────────────────────── */
.mes-selector select {
  padding: 7px 12px; border-radius: var(--radius-sm); border: 1px solid var(--c-border);
  font-size: .9rem; background: var(--c-surface); cursor: pointer;
}