:root {
  --bg: #f5f5f7;
  --card: #fff;
  --text: #2c2c2c;
  --muted: #8a8a8a;
  --border: #e5e5e8;
  --accent: #5a23c8;
  --accent-dark: #4818a0;
  --orange: #f57c20;
  --ok: #2ecc71;
  --warn: #f39c12;
  --err: #e74c3c;
  --sidebar-w: 240px;
}

* { box-sizing: border-box; }
body {
  margin: 0; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg); color: var(--text); font-size: 14px;
}
a { color: var(--accent); text-decoration: none; }
button { font-family: inherit; }

/* ------ LAYOUT ------ */
.app { display: flex; min-height: 100vh; }
.sidebar {
  width: var(--sidebar-w); background: #fff; border-right: 1px solid var(--border);
  padding: 16px 0; position: fixed; height: 100vh; overflow-y: auto;
}
.sidebar .brand {
  display: flex; flex-direction: column; align-items: center; padding: 12px 0 20px;
  border-bottom: 1px solid var(--border); margin-bottom: 12px;
}
.sidebar .brand-logo {
  width: 64px; height: 64px; border-radius: 50%; background: var(--accent);
  display: flex; align-items: center; justify-content: center; color: white;
  font-weight: bold; font-size: 18px; margin-bottom: 8px; overflow: hidden;
  background-size: cover; background-position: center;
}
.sidebar .brand-logo.editable { cursor: pointer; position: relative; }
.sidebar .brand-logo.editable::after {
  content: '✎'; position: absolute; bottom: -2px; right: -2px;
  background: #fff; color: var(--accent); border: 1px solid var(--accent);
  border-radius: 50%; width: 22px; height: 22px; font-size: 12px;
  display: flex; align-items: center; justify-content: center;
}
.sidebar .brand-name { font-weight: 600; font-size: 15px; }
.sidebar .brand-sub { color: var(--muted); font-size: 12px; }

.sidebar .nav-group { font-size: 11px; color: var(--muted); text-transform: uppercase;
  padding: 12px 20px 6px; letter-spacing: 0.5px;
}
.sidebar .nav-item {
  display: flex; align-items: center; gap: 10px; padding: 10px 20px;
  cursor: pointer; color: #555; border-left: 3px solid transparent;
  transition: background 0.15s;
}
.sidebar .nav-item:hover { background: #f9f7fd; }
.sidebar .nav-item.active {
  background: #f3eefc; border-left-color: var(--accent); color: var(--accent); font-weight: 500;
}
.sidebar .hidden { display: none; }
.sidebar .nav-item .icon { width: 18px; text-align: center; }

/* Backdrop oscuro detrás del sidebar en mobile */
.sidebar-backdrop {
  display: none;
  position: fixed; inset: 0; background: rgba(0,0,0,0.4);
  z-index: 90;
}
.sidebar-backdrop.open { display: block; }

/* Botón hamburguesa: solo visible en mobile */
.hamburger {
  display: none; flex-direction: column; justify-content: center; gap: 4px;
  width: 38px; height: 38px; padding: 8px;
  background: transparent; border: 1px solid var(--border); border-radius: 6px;
  cursor: pointer;
}
.hamburger span {
  display: block; height: 2px; width: 100%; background: var(--text); border-radius: 1px;
}

.main {
  margin-left: var(--sidebar-w); flex: 1; min-width: 0;
}
.topbar {
  background: #fff; border-bottom: 1px solid var(--border);
  padding: 12px 24px; display: flex; justify-content: space-between; align-items: center;
}
.topbar .user-sel select {
  padding: 6px 10px; border: 1px solid var(--border); border-radius: 6px;
  background: white; font-size: 13px;
}

.content { padding: 24px; }
.page-title { font-size: 22px; font-weight: 600; margin: 0 0 4px; }
.page-sub { color: var(--muted); margin: 0 0 20px; font-size: 13px; }

/* ------ CARD / TABLE ------ */
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: 8px;
  padding: 16px; margin-bottom: 16px;
}
.toolbar {
  display: flex; gap: 12px; flex-wrap: wrap; align-items: flex-end; margin-bottom: 12px;
}
.toolbar .group { display: flex; flex-direction: column; gap: 4px; }
.toolbar label { font-size: 11px; color: var(--muted); }
.toolbar input, .toolbar select {
  padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px;
  font-size: 13px; background: white; min-width: 140px;
}
.toolbar .spacer { flex: 1; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
table th {
  text-align: left; padding: 10px 12px; font-weight: 500; color: var(--muted);
  border-bottom: 1px solid var(--border); font-size: 12px;
}
table td { padding: 12px; border-bottom: 1px solid #f0f0f3; }
table tr:hover td { background: #fafafd; }
.empty { padding: 30px; text-align: center; color: var(--muted); }

.status-badge {
  display: inline-block; padding: 3px 8px; border-radius: 4px; font-size: 11px; font-weight: 600;
}
.status-PAID, .status-SUCCESS { background: #e8f8ef; color: #1f8a4c; }
.status-PENDING { background: #fff4e0; color: #b67200; }
.status-REJECTED, .status-CANCELLED, .status-EXPIRED { background: #fde8e8; color: #b3261e; }
.status-REFUNDED { background: #ece5ff; color: #5a23c8; }

.refund-pending-badge {
  display: inline-block; padding: 2px 6px; border-radius: 4px; font-size: 10px;
  font-weight: 600; background: #fff4e0; color: #b67200; margin-left: 4px;
  vertical-align: middle;
}

.ev-count {
  display: inline-block; min-width: 14px; padding: 0 4px; margin-left: 2px;
  background: var(--accent); color: white; font-size: 10px; font-weight: 600;
  border-radius: 8px; vertical-align: top; line-height: 14px; text-align: center;
}
.evidence-row {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px;
  margin-bottom: 6px; font-size: 13px; background: #fafafd;
}

/* Dashboard */
.kpi-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 16px;
}
.kpi {
  background: #fff; border: 1px solid var(--border); border-radius: 8px; padding: 14px 16px;
}
.kpi .label { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.5px; }
.kpi .value { font-size: 22px; font-weight: 600; margin-top: 4px; }
.kpi .sub { font-size: 11px; color: var(--muted); margin-top: 2px; }
.kpi.accent .value { color: var(--accent); }
.kpi.ok .value { color: #1f8a4c; }
.kpi.warn .value { color: var(--orange); }

.dash-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.card-title { margin: 0 0 12px; font-size: 14px; font-weight: 600; color: var(--text); }
table th.num, table td.num { text-align: right; }

@media (max-width: 900px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .dash-row { grid-template-columns: 1fr; }
}

.icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; border: 1px solid transparent;
  border-radius: 6px; cursor: pointer; color: var(--orange); background: transparent;
  font-size: 16px;
}
.icon-btn:hover { background: #fff4e0; border-color: var(--orange); }
.icon-btn.danger { color: var(--err); }
.icon-btn.danger:hover { background: #fde8e8; border-color: var(--err); }

button.btn {
  padding: 8px 16px; border: none; border-radius: 6px; cursor: pointer;
  font-size: 13px; font-weight: 500; background: var(--accent); color: white;
}
button.btn:hover { background: var(--accent-dark); }
button.btn.secondary { background: #fff; border: 1px solid var(--border); color: var(--text); }
button.btn.secondary:hover { background: var(--bg); }
button.btn.danger { background: var(--err); }
button.btn.danger:hover { background: #c0392b; }
button:disabled { opacity: 0.5; cursor: not-allowed; }

/* ------ FORMS ------ */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-grid.cols-1 { grid-template-columns: 1fr; }
.form-row { display: flex; flex-direction: column; gap: 4px; }
.form-row label { font-size: 12px; color: var(--muted); font-weight: 500; }
.form-row input, .form-row select, .form-row textarea {
  padding: 9px 12px; border: 1px solid var(--border); border-radius: 6px;
  font-size: 14px; background: white; font-family: inherit;
}
.form-row input:focus, .form-row select:focus { outline: none; border-color: var(--accent); }
.form-row.invalid input { border-color: var(--err); background: #fff6f5; }
.form-row .field-err { color: var(--err); font-size: 11px; margin-top: 2px; min-height: 14px; }

/* ------ MODAL ------ */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(0,0,0,0.5);
  display: flex; align-items: center; justify-content: center; z-index: 100;
}
.modal {
  background: #fff; border-radius: 10px; width: 95%; max-width: 720px;
  max-height: 90vh; overflow-y: auto;
}
.modal-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 20px; border-bottom: 1px solid var(--border);
}
.modal-header h3 { margin: 0; font-size: 17px; }
.modal-close {
  background: transparent; border: none; cursor: pointer; font-size: 22px; color: var(--muted);
}
.modal-body { padding: 20px; }
.modal-footer {
  padding: 14px 20px; border-top: 1px solid var(--border);
  display: flex; justify-content: flex-end; gap: 10px;
}
.banner {
  padding: 12px 16px; border-radius: 6px; font-size: 14px; font-weight: 500;
  margin-bottom: 14px;
}
.banner.PAID, .banner.SUCCESS { background: var(--ok); color: white; }
.banner.PENDING { background: var(--warn); color: white; }
.banner.REJECTED, .banner.CANCELLED, .banner.EXPIRED { background: var(--err); color: white; }
.banner.REFUNDED { background: var(--accent); color: white; }

.detail-grid {
  display: grid; grid-template-columns: 160px 1fr; gap: 8px 16px;
  font-size: 13px;
}
.detail-grid .k { color: var(--muted); }
.detail-grid .v { color: var(--text); font-weight: 500; }

.toast {
  position: fixed; bottom: 24px; right: 24px; padding: 12px 20px;
  background: #2c2c2c; color: white; border-radius: 6px; z-index: 200;
  font-size: 13px; box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}
.toast.error { background: var(--err); }
.toast.success { background: var(--ok); }

.copy-link { font-family: monospace; font-size: 11px; color: var(--accent); cursor: pointer; }
.copy-link:hover { text-decoration: underline; }

.refund-row {
  background: #faf7ff; padding: 8px 12px; border-radius: 6px; margin-top: 6px;
  font-size: 12px; display: flex; justify-content: space-between;
}

.pulse-dot {
  display: inline-block; width: 8px; height: 8px; border-radius: 50%;
  background: var(--ok); animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.75); }
}

.row-updated {
  animation: flash-row 1s ease-out;
}
@keyframes flash-row {
  0% { background: #d4f5dd; }
  100% { background: transparent; }
}

/* Tablas con scroll horizontal en pantallas chicas (evita romper el layout) */
.table-wrap { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }

/* ============ RESPONSIVE: mobile/tablet ============ */
@media (max-width: 900px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    z-index: 100;
    box-shadow: 2px 0 16px rgba(0,0,0,0.08);
  }
  .sidebar.open { transform: translateX(0); }
  .main { margin-left: 0; }
  .hamburger { display: flex; }
  .topbar { padding: 10px 14px; gap: 10px; }
  .content { padding: 16px; }

  /* Filtros y form-grid pasan a 1 columna */
  .form-grid { grid-template-columns: 1fr; }
  .toolbar input, .toolbar select { min-width: 0; width: 100%; }
  .toolbar .group { flex: 1 1 calc(50% - 6px); min-width: 0; }
  .toolbar .group:has(input[type="number"]) { flex: 1 1 calc(50% - 6px); }

  /* Modal: ancho completo y márgenes menores */
  .modal { width: 96%; max-height: 92vh; }
  .detail-grid { grid-template-columns: 110px 1fr; }
  .page-title { font-size: 19px; }
}

@media (max-width: 480px) {
  .toolbar .group { flex: 1 1 100%; }
  .modal-body { padding: 14px; }
  .detail-grid { grid-template-columns: 100px 1fr; font-size: 12px; }
}

/* ===== Toggle / switch (Configuración) ===== */
.toggle { position: relative; display: inline-flex; cursor: pointer; flex-shrink: 0; }
.toggle input { position: absolute; opacity: 0; width: 0; height: 0; }
.toggle .toggle-track {
  width: 48px; height: 28px; border-radius: 999px; background: #cbd5e1;
  transition: background .2s ease; display: inline-flex; align-items: center; padding: 3px;
}
.toggle .toggle-thumb {
  width: 22px; height: 22px; border-radius: 50%; background: #fff;
  transition: transform .2s ease; box-shadow: 0 1px 3px rgba(0,0,0,.3);
}
.toggle input:checked + .toggle-track { background: #6d28d9; }
.toggle input:checked + .toggle-track .toggle-thumb { transform: translateX(20px); }