/* ============================================================
   BOTONES
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  background: var(--color-surface-2);
  color: var(--color-text);
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), opacity var(--transition);
  white-space: nowrap;
}

.btn:hover {
  background: var(--color-border);
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn svg {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
}

.btn-primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-primary-dim);
  border-color: var(--color-primary-dim);
}

.btn-success {
  background: var(--color-success);
  border-color: var(--color-success);
  color: #fff;
}

.btn-success:hover {
  background: #059669;
  border-color: #059669;
}

.btn-danger {
  background: transparent;
  border-color: var(--color-danger);
  color: var(--color-danger);
}

.btn-danger:hover {
  background: var(--color-danger);
  color: #fff;
}

.btn-ghost {
  background: transparent;
  border-color: transparent;
  color: var(--color-text-muted);
}

.btn-ghost:hover {
  background: var(--color-surface-2);
  color: var(--color-text);
}

.btn-sm {
  padding: 5px 10px;
  font-size: 0.8125rem;
}

.btn-icon {
  padding: 6px;
  border-radius: 6px;
}

/* ============================================================
   PAGE HEADER
   ============================================================ */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  gap: 16px;
}

.page-header h1 {
  color: var(--color-text);
}

.page-header-left {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-subtitle {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* ============================================================
   CARD
   ============================================================ */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
}

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.card-header h2,
.card-header h3,
.card-header h4 {
  color: var(--color-text);
}

.card-body {
  padding: 20px;
}

.card-body-flush {
  padding: 0;
}

/* ============================================================
   TABLA
   ============================================================ */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-border);
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.table thead tr {
  background: var(--color-surface-2);
}

.table th {
  padding: 11px 16px;
  text-align: left;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}

.table td {
  padding: 12px 16px;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}

.table tbody tr:last-child td {
  border-bottom: none;
}

.table tbody tr {
  background: var(--color-surface);
  transition: background var(--transition);
}

.table tbody tr:hover {
  background: var(--color-surface-2);
}

.table-row-link {
  cursor: pointer;
}

.table td.muted {
  color: var(--color-text-muted);
}

.table td.right,
.table th.right {
  text-align: right;
}

.table td.center,
.table th.center {
  text-align: center;
}

.table-foot td {
  padding: 12px 16px;
  font-weight: 600;
  color: var(--color-text);
  background: var(--color-surface-2);
  border-top: 1px solid var(--color-border);
}

/* Empty state dentro de tabla */
.table-empty {
  padding: 48px 16px;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

/* ============================================================
   MODAL
   ============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 16px;
  backdrop-filter: blur(2px);
  animation: overlay-in 0.15s ease;
}

@keyframes overlay-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.modal {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow);
  animation: modal-in 0.18s ease;
}

.modal-lg {
  max-width: 720px;
}

@keyframes modal-in {
  from { transform: translateY(12px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

.modal-header h3 {
  color: var(--color-text);
  font-size: 1rem;
}

.modal-close {
  width: 28px;
  height: 28px;
  border: none;
  background: transparent;
  color: var(--color-text-muted);
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  transition: background var(--transition), color var(--transition);
}

.modal-close:hover {
  background: var(--color-surface-2);
  color: var(--color-text);
}

.modal-body {
  padding: 22px;
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 16px 22px;
  border-top: 1px solid var(--color-border);
  flex-shrink: 0;
}

/* ============================================================
   FORMULARIOS
   ============================================================ */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.form-group:last-child {
  margin-bottom: 0;
}

.form-label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.form-control {
  padding: 9px 12px;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  color: var(--color-text);
  font-size: 0.875rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.form-control::placeholder {
  color: var(--color-text-dim);
}

select.form-control {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238892a4' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 30px;
}

textarea.form-control {
  resize: vertical;
  min-height: 80px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

/* ============================================================
   BADGE / MONEDA
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.badge-ars  { background: rgba(16, 185, 129, 0.15); color: #10b981; }
.badge-usd  { background: rgba(99, 102, 241, 0.15);  color: #818cf8; }
.badge-eur  { background: rgba(245, 158, 11, 0.15);  color: #f59e0b; }

.badge-success { background: rgba(16, 185, 129, 0.15); color: #10b981; }
.badge-danger  { background: rgba(239, 68, 68, 0.15);  color: #ef4444; }
.badge-warning { background: rgba(245, 158, 11, 0.15); color: #f59e0b; }
.badge-neutral { background: rgba(100, 116, 139, 0.15); color: #94a3b8; }

.badge-open   { background: rgba(99, 102, 241, 0.15); color: #818cf8; }
.badge-closed { background: rgba(100, 116, 139, 0.2); color: #64748b; }

/* ============================================================
   TOGGLE (switch activo/inactivo)
   ============================================================ */
.toggle-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
}

.toggle {
  position: relative;
  display: inline-block;
  width: 36px;
  height: 20px;
  flex-shrink: 0;
}

.toggle input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}

.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--color-border-light);
  border-radius: 20px;
  cursor: pointer;
  transition: background var(--transition);
}

.toggle-slider::before {
  content: '';
  position: absolute;
  width: 14px;
  height: 14px;
  left: 3px;
  top: 3px;
  background: #fff;
  border-radius: 50%;
  transition: transform var(--transition);
}

.toggle input:checked + .toggle-slider {
  background: var(--color-success);
}

.toggle input:checked + .toggle-slider::before {
  transform: translateX(16px);
}

.toggle input:focus-visible + .toggle-slider {
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.3);
}

/* ============================================================
   ALERTAS
   ============================================================ */
.alert {
  padding: 12px 16px;
  border-radius: var(--border-radius);
  font-size: 0.875rem;
  margin-bottom: 16px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.alert-success {
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #10b981;
}

.alert-error {
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #ef4444;
}

/* ============================================================
   PROGRESS BAR
   ============================================================ */
.progress-bar {
  height: 6px;
  background: var(--color-border);
  border-radius: 3px;
  overflow: hidden;
  margin-top: 6px;
}

.progress-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.4s ease;
}

.progress-fill-success { background: var(--color-success); }
.progress-fill-warning { background: var(--color-warning); }
.progress-fill-danger  { background: var(--color-danger); }
.progress-fill-primary { background: var(--color-primary); }

/* ============================================================
   DASHBOARD CARDS
   ============================================================ */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: 20px;
}

.stat-card-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}

.stat-card-currency {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 4px;
}

.stat-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-top: 4px;
}

.stat-saldo {
  font-size: 1.1rem;
  font-weight: 700;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--color-border);
}

.stat-saldo.positive { color: var(--color-success); }
.stat-saldo.negative { color: var(--color-danger); }

/* ============================================================
   PERIODO SELECTOR
   ============================================================ */
.periodo-selector {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
}

.periodo-selector label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  white-space: nowrap;
}

/* ============================================================
   INLINE EDIT
   ============================================================ */
.inline-input {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  color: var(--color-text);
  padding: 5px 8px;
  font-size: 0.875rem;
  width: 110px;
  transition: border-color var(--transition);
}

.inline-input:focus {
  outline: none;
  border-color: var(--color-primary);
}

/* ============================================================
   COMPROBANTE BUTTON
   ============================================================ */
.btn-comprobante {
  font-size: 0.75rem;
  padding: 4px 8px;
}

.btn-comprobante-uploaded {
  color: var(--color-success);
  border-color: rgba(16, 185, 129, 0.4);
}

/* ============================================================
   CONFIRM DIALOG
   ============================================================ */
.confirm-text {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  line-height: 1.5;
}

.confirm-text strong {
  color: var(--color-text);
}

/* ============================================================
   VENCIMIENTO DIAS
   ============================================================ */
.dias-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
}

/* ============================================================
   SECTION SEPARATOR
   ============================================================ */
.section-gap {
  margin-top: 32px;
}

/* ============================================================
   RESPONSIVE (mobile fallback)
   ============================================================ */
@media (max-width: 768px) {
  :root {
    --sidebar-width: 0px;
  }

  .sidebar {
    display: none;
  }

  .main-content {
    margin-left: 0;
  }

  #app {
    padding: 16px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .page-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .dashboard-grid {
    grid-template-columns: 1fr;
  }
}