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

:root {
  --green:       #1a953d;
  --green-light: #157931;
  --green-pale:  #E8F8EE;
  --gold:        #F5C842;
  --gold-dark:   #D4A820;
  --cream:       #F2FBF5;
  --terra:       #C0392B;
  --dark:        #1A1A1A;
  --gray:        #6B6B6B;
  --gray-light:  #E8F8EE;
  --white:       #ffffff;
  --border:      #C8EFD2;
  --shadow:      0 4px 20px rgba(0,0,0,0.08);
  --sidebar-w:   280px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-weight: 400;
  background: var(--cream);
  color: var(--dark);
  font-size: 16px;
}

/* ---- LOGIN ---- */
.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--cream);
}

.login-card {
  background: var(--white);
  border-radius: 16px;
  padding: 52px 44px;
  width: 100%;
  max-width: 460px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.2);
}

.login-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 36px;
}

.brand-name {
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--green);
}

.brand-sub {
  font-size: 1rem;
  color: var(--gold-dark);
  font-weight: 600;
  margin-top: 6px;
}

.login-error {
  background: #fdecea;
  color: var(--terra);
  border-radius: 8px;
  padding: 14px 16px;
  font-size: 1rem;
  margin-bottom: 20px;
  font-weight: 600;
}

/* ---- FORMS ---- */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 1rem;
  font-weight: 700;
  color: var(--green);
  margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  border: 2px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  background: var(--white);
  color: var(--dark);
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--green);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ---- BUTTONS ---- */
.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.2s;
  text-align: center;
}

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

.btn-green:hover { background: var(--green-light); }

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

.btn-outline-dark:hover { background: var(--cream); }

.btn.full { width: 100%; }

.btn-sm { padding: 4px 10px; font-size: 0.8rem; }

.badge { display: inline-block; padding: 3px 9px; border-radius: 20px; font-size: 0.78rem; font-weight: 600; }
.badge-green { background: #d4f5e2; color: #1a6b36; }
.badge-yellow { background: #fff3cd; color: #856404; }
.badge-red { background: #fde8e8; color: #c0392b; }

/* ---- LAYOUT ---- */
#adminApp {
  display: flex;
  min-height: 100vh;
}

/* ---- SIDEBAR ---- */
.sidebar {
  width: var(--sidebar-w);
  background: var(--cream);
  border-right: 2px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  z-index: 50;
}

.sidebar-brand {
  padding: 32px 24px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
}

.sidebar-brand .brand-name { color: var(--green); font-size: 1.1rem; }
.sidebar-brand .brand-sub { color: var(--gray); font-size: 0.9rem; }

.sidebar-nav {
  flex: 1;
  padding: 20px 0;
  display: flex;
  flex-direction: column;
}

.nav-item {
  display: block;
  padding: 18px 24px;
  color: var(--gray);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.05rem;
  transition: all 0.2s;
  border-left: 4px solid transparent;
}

.nav-item:hover,
.nav-item.active {
  background: var(--green-pale);
  color: var(--green);
  border-left-color: var(--green);
}

.btn-store {
  display: block;
  margin: 20px 20px 0;
  padding: 14px;
  background: var(--green-pale);
  color: var(--green);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  transition: all 0.2s;
}

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

.btn-logout {
  margin: 20px;
  padding: 14px;
  background: transparent;
  color: var(--gray);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  transition: all 0.2s;
}

.btn-logout:hover {
  background: var(--green-pale);
  color: var(--terra);
  border-color: var(--terra);
}

/* ---- MAIN ---- */
.main {
  margin-left: var(--sidebar-w);
  flex: 1;
  padding: 40px;
  min-height: 100vh;
}

.section { display: none; }
.section.active { display: block; }

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}

.section-header h1 {
  font-weight: 700;
  font-size: 1.8rem;
  color: var(--green);
}

/* ---- FILTER TABS ---- */
.filter-tabs {
  display: flex;
  gap: 10px;
}

.filter-btn {
  padding: 10px 24px;
  border-radius: 24px;
  border: 2px solid var(--border);
  background: var(--white);
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.2s;
  color: var(--gray);
}

.filter-btn.active,
.filter-btn:hover {
  background: var(--green);
  color: var(--white);
  border-color: var(--green);
}

/* ---- TABLE ---- */
.table-wrap {
  background: var(--white);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
}

.admin-table th {
  background: var(--cream);
  padding: 16px 20px;
  text-align: left;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 2px solid var(--border);
}

.admin-table td {
  padding: 18px 20px;
  border-bottom: 1px solid var(--border);
  font-size: 1rem;
  vertical-align: middle;
}

.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr:hover td { background: var(--gray-light); }

.table-empty {
  text-align: center;
  color: var(--gray);
  padding: 60px !important;
  font-size: 1rem;
}

/* ---- STATUS BADGES ---- */
.badge {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 700;
}

.badge-activo { background: #e8f5e9; color: #1a953d; }
.badge-inactivo { background: #fdecea; color: #C0392B; }

.toggle-switch { position: relative; display: inline-block; width: 42px; height: 24px; cursor: pointer; }
.toggle-switch input { opacity: 0; width: 0; height: 0; }
.toggle-slider { position: absolute; inset: 0; background: #ccc; border-radius: 24px; transition: .2s; }
.toggle-slider::before { content: ''; position: absolute; width: 18px; height: 18px; left: 3px; top: 3px; background: #fff; border-radius: 50%; transition: .2s; }
.toggle-switch input:checked + .toggle-slider { background: #1a953d; }
.toggle-switch input:checked + .toggle-slider::before { transform: translateX(18px); }
.badge-nuevo { background: #fff8e1; color: #A8893A; }
.badge-pendiente { background: #fff8e1; color: #A8893A; }
.badge-pagado { background: #e3f2fd; color: #1565C0; }
.badge-listo { background: #e8f5e9; color: #1a953d; }
.badge-entregado { background: #e8f5e9; color: #1a953d; }

/* ---- IMAGE UPLOAD ---- */
.img-upload-area {
  width: 100%;
  height: 160px;
  border: 2px dashed var(--border);
  border-radius: 8px;
  cursor: pointer;
  overflow: hidden;
  transition: border-color 0.2s;
  position: relative;
}

.img-upload-area:hover { border-color: var(--green); }

#imgPlaceholder, #catImgPlaceholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  gap: 6px;
  color: var(--gray);
  font-size: 0.9rem;
}

.table-img {
  width: 48px;
  height: 48px;
  object-fit: cover;
  border-radius: 6px;
  background: var(--cream);
}

/* ---- STOCK CONTROL ---- */
.stock-control {
  display: flex;
  align-items: center;
  gap: 10px;
}

.stock-btn {
  background: var(--cream);
  border: 2px solid var(--border);
  border-radius: 6px;
  width: 34px;
  height: 34px;
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s;
}

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

/* ---- MANUAL ORDER ---- */
.pedido-item-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  gap: 12px;
}

.pedido-item-nombre { flex: 1; font-weight: 600; }
.pedido-item-precio { color: var(--gray); font-size: 0.9rem; }

.pedido-item-qty {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 90px;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
}

.pedido-total-row {
  display: flex;
  justify-content: space-between;
  font-size: 1.1rem;
  font-weight: 700;
  padding: 16px 0 0;
  color: var(--dark);
}

.pedido-total-row span:last-child { color: var(--terra); }

/* ---- SKU ---- */
.sku {
  font-family: monospace;
  font-size: 0.85rem;
  background: var(--cream);
  padding: 3px 8px;
  border-radius: 4px;
  color: var(--gray);
  letter-spacing: 0.04em;
}

/* ---- STOCK WARNING ---- */
.stock-low { color: var(--terra); font-weight: 700; }

/* ---- INVENTORY SECTION LABEL ---- */
.inv-section-label {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray);
  margin-bottom: 12px;
}

/* ---- PROVEEDOR ACCORDION ---- */
.proveedor-card {
  background: var(--white);
  border-radius: 16px;
  box-shadow: var(--shadow);
  margin-bottom: 16px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.proveedor-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  gap: 16px;
  border-bottom: 1px solid var(--border);
  background: var(--cream);
}

.proveedor-info {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.proveedor-info strong { font-size: 1.05rem; color: var(--green); }

.proveedor-meta {
  font-size: 0.85rem;
  color: var(--gray);
}

.proveedor-meta a { color: var(--green); text-decoration: none; }
.proveedor-meta a:hover { text-decoration: underline; }

.proveedor-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.proveedor-catalog {
  padding: 0 24px 16px;
}

.cat-table {
  margin-top: 12px;
  font-size: 0.92rem;
}

.cat-table th {
  font-size: 0.8rem;
  padding: 10px 16px;
}

.cat-table td {
  padding: 12px 16px;
}

/* ---- PROVEEDOR ORDER INFO ---- */
.order-prv-info {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  background: var(--cream);
  border-radius: 8px;
  padding: 12px 16px;
  margin-bottom: 20px;
  font-size: 0.9rem;
  color: var(--gray);
}

/* ---- INVENTARIO ENTRY CHOICE ---- */
.inv-choice-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.inv-choice-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 20px 16px;
  border: 2px solid var(--border);
  border-radius: 12px;
  background: var(--white);
  cursor: pointer;
  text-align: center;
  transition: border-color 0.15s, background 0.15s;
  font-family: inherit;
}

.inv-choice-btn:hover {
  border-color: var(--green);
  background: var(--cream);
}

.inv-choice-icon { font-size: 2rem; }
.inv-choice-btn strong { font-size: 0.95rem; color: var(--dark); }
.inv-choice-btn span { font-size: 0.8rem; color: var(--gray); }

/* ---- AUTOFILL PREVIEW ---- */
.inv-autofill-preview {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  background: var(--green-pale);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  margin-bottom: 20px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--green);
}

/* ---- ACTION BUTTONS ---- */
.action-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px 14px;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 600;
  transition: background 0.15s;
}

.action-edit { color: var(--green); }
.action-edit:hover { background: #e8f5e9; }
.action-delete { color: var(--terra); }
.action-delete:hover { background: #fdecea; }

/* ---- MODAL ---- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--white);
  border-radius: 16px;
  width: 90%;
  max-width: 600px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.2);
  max-height: 90vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 32px 0;
}

.modal-header h2 {
  font-weight: 700;
  color: var(--green);
  font-size: 1.3rem;
}

.modal-close {
  background: var(--cream);
  border: none;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  font-size: 1.1rem;
  cursor: pointer;
  color: var(--gray);
}

.modal-body { padding: 24px 32px 36px; }

.modal-actions {
  display: flex;
  gap: 14px;
  justify-content: flex-end;
  margin-top: 28px;
}

@media (max-width: 640px) {
  .modal-overlay { align-items: flex-end; }
  .modal {
    width: 100%;
    max-width: 100% !important;
    max-height: 92vh;
    border-radius: 20px 20px 0 0;
  }
  .modal-header { padding: 20px 20px 0; }
  .modal-body { padding: 16px 20px 28px; }
  .modal-actions { flex-direction: column; }
  .modal-actions .btn { width: 100%; justify-content: center; }
  .pedido-item-qty { gap: 6px; }
}