:root {
  --color-bg: #ffffff;
  --color-card: #f8f9fa;
  --color-primary: #ff4c29;
  --color-primary-soft: rgba(255, 76, 41, 0.12);
  --color-text: #212529;
  --color-muted: #6c757d;
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-soft: 0 18px 45px rgba(0, 0, 0, 0.45);
  --transition: 0.2s ease-out;
  --max-width: 1120px;
}

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

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Inter", sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

/* Layouts */

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 4rem 0;
}

.section--alt {
  background: linear-gradient(135deg, #f8f9fa, #e9ecef);
}

.section h2 {
  margin: 0 0 0.5rem;
}

.section p {
  margin: 0 0 2rem;
  color: var(--color-muted);
}

/* Header */

.header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  background: rgba(255, 255, 255, 0.95);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.header__content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
  gap: 1rem;
}

.logo {
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.9rem;
  color: var(--color-text);
}

.nav {
  display: flex;
  gap: 1.5rem;
  font-size: 0.9rem;
}

.nav a {
  position: relative;
  color: var(--color-muted);
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.35rem;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition);
}

.nav a:hover {
  color: var(--color-text);
}

.nav a:hover::after {
  width: 100%;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.header__actions input {
  background: rgba(255, 255, 255, 0.9);
  border-radius: 999px;
  border: 1px solid rgba(0, 0, 0, 0.1);
  padding: 0.4rem 0.9rem;
  color: var(--color-text);
  font-size: 0.8rem;
}

.header__actions input::placeholder {
  color: var(--color-muted);
}

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

.btn-icon {
  border-radius: 999px;
  border: none;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  padding: 0.4rem 0.8rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.8rem;
}

/* Hero */

.hero {
  padding: 4rem 0 2.5rem;
}

.hero__content {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 2.5rem;
  align-items: center;
}

.hero__text h1 {
  font-size: 2.6rem;
  line-height: 1.15;
  margin: 0 0 1rem;
}

.hero__text p {
  margin: 0 0 2rem;
  color: var(--color-muted);
  max-width: 30rem;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn-primary,
.btn-secondary {
  border-radius: 999px;
  padding: 0.75rem 1.4rem;
  border: none;
  font-size: 0.9rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: white;
  box-shadow: 0 10px 25px rgba(255, 76, 41, 0.35);
}

.btn-secondary {
  background: rgba(108, 117, 125, 0.1);
  color: var(--color-text);
  border: 1px solid rgba(0, 0, 0, 0.1);
}

.btn-full {
  width: 100%;
}

.hero__image {
  position: relative;
  min-height: 220px;
  border-radius: 32px;
  background: linear-gradient(135deg, #e9ecef, #dee2e6);
  border: 1px solid rgba(0, 0, 0, 0.1);
  box-shadow: var(--shadow-soft);
}

.hero__badge {
  position: absolute;
  bottom: 1.2rem;
  left: 1.2rem;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.45);
  color: var(--color-muted);
  border-radius: 999px;
  padding: 0.5rem 1rem;
  font-size: 0.75rem;
}

/* Grid genérico */

.grid {
  display: grid;
  gap: 1.5rem;
}

.categorias__grid {
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
}

.productos__grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

/* Cards */

.card {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(0, 0, 0, 0.1);
  padding: 1.25rem;
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition), box-shadow var(--transition),
    border-color var(--transition), background var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
  border-color: var(--color-primary);
  background: var(--color-card);
}

/* Categorías */

.categoria h3 {
  margin: 0 0 0.4rem;
  font-size: 1rem;
}

.categoria p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--color-muted);
}

/* Productos */

.section__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.section__header select {
  background: rgba(255, 255, 255, 0.9);
  border-radius: 999px;
  border: 1px solid rgba(0, 0, 0, 0.1);
  padding: 0.4rem 0.9rem;
  color: var(--color-text);
  font-size: 0.8rem;
}

.product-card__image {
  border-radius: var(--radius-md);
  margin: -0.5rem -0.5rem 0.75rem;
  padding: 0.75rem;
  background: linear-gradient(135deg, #ffffff, #f8f9fa);
}

.product-card__image-placeholder {
  height: 150px;
  border-radius: var(--radius-md);
  border: 1px dashed rgba(148, 163, 184, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-muted);
  font-size: 0.8rem;
}

.login-modal {
  max-width: 450px;
  background: white;
  border: 1px solid rgba(0, 0, 0, 0.1);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.add-product-modal {
  width: 800px;
  max-width: 90vw;
  height: auto;
  max-height: 90vh;
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.1);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  margin: auto;
  overflow: hidden;
  animation: modalSlideIn 0.3s ease-out;
}

.add-product-modal h2 {
  color: var(--color-primary);
  text-align: center;
  margin-bottom: 1rem;
}

.product-form {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  flex: 1;
  overflow-y: auto;
}

.form-section {
  width: 100%;
  background: rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  border: 1px solid rgba(0, 0, 0, 0.1);
}

.form-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  padding-top: 1rem;
  flex-shrink: 0;
}

.login-header {
  text-align: center;
  margin-bottom: 2rem;
}

.login-logo {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.logo-text {
  color: var(--color-primary);
  font-weight: bold;
}

.login-header h2 {
  margin: 0.5rem 0;
  color: var(--color-primary);
  font-size: 1.8rem;
}

.login-header p {
  color: var(--color-muted);
  margin: 0;
  font-size: 0.9rem;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group label {
  display: flex;
  align-items: center;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--color-text);
  font-size: 0.9rem;
}

.icon {
  margin-right: 0.5rem;
  font-size: 1rem;
}

.form-group input {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid #ddd;
  background: white;
  color: #333;
  font-size: 0.9rem;
  transition: all 0.3s ease;
}

.form-group input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(255, 76, 41, 0.1);
  background: white;
}

.form-group select {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid #ddd;
  background: white;
  color: #333;
  font-size: 0.9rem;
  transition: all 0.3s ease;
  width: 100%;
}

.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(255, 76, 41, 0.1);
  background: white;
}

.password-input {
  position: relative;
}

.toggle-password {
  position: absolute;
  right: 0.5rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--color-muted);
  cursor: pointer;
  padding: 0.25rem;
  border-radius: var(--radius-sm);
  transition: color 0.3s ease;
}

.toggle-password:hover {
  color: var(--color-primary);
}

.form-options {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.checkbox-label {
  display: flex;
  align-items: center;
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--color-muted);
}

.checkbox-label input[type="checkbox"] {
  display: none;
}

.checkmark {
  width: 16px;
  height: 16px;
  border: 1px solid rgba(148, 163, 184, 0.3);
  border-radius: 3px;
  margin-right: 0.5rem;
  position: relative;
  transition: all 0.3s ease;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
  content: '✓';
  position: absolute;
  top: -2px;
  left: 2px;
  color: white;
  font-size: 12px;
}

.forgot-password,
.terms-link {
  color: var(--color-primary);
  text-decoration: none;
  font-size: 0.85rem;
}

.forgot-password:hover,
.terms-link:hover {
  text-decoration: underline;
}

.btn-login {
  padding: 0.875rem 2rem;
  background: linear-gradient(135deg, var(--color-primary), #ff5722);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(255, 76, 41, 0.3);
}

.btn-login:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 76, 41, 0.4);
}

.btn-login:active {
  transform: translateY(0);
}

.divider {
  position: relative;
  text-align: center;
  margin: 1.5rem 0;
}

.divider::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: rgba(148, 163, 184, 0.3);
}

.divider span {
  background: white;
  padding: 0 1rem;
  color: var(--color-muted);
  font-size: 0.8rem;
}

.register-link {
  text-align: center;
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-muted);
}

.register-link a {
  color: var(--color-primary);
  text-decoration: none;
}

.register-link a:hover {
  text-decoration: underline;
}

.product-card__title {
  font-size: 0.95rem;
  margin: 0 0 0.3rem;
}

.product-card__brand {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted);
  margin-bottom: 0.3rem;
}

.product-card__meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.product-card__price {
  font-size: 1rem;
  font-weight: 600;
}

.product-card__tag {
  font-size: 0.75rem;
  color: var(--color-primary);
  background: var(--color-primary-soft);
  border-radius: 999px;
  padding: 0.15rem 0.55rem;
}

.product-card__info {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  font-size: 0.75rem;
  color: var(--color-muted);
}

.product-card__actions {
  display: flex;
  gap: 0.5rem;
}

/* Servicios */

.servicios__content {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 2.5rem;
  align-items: flex-start;
}

.servicios__list {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
  color: var(--color-muted);
  font-size: 0.9rem;
}

.servicios__list li {
  margin-bottom: 0.35rem;
}

.servicios__box {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(0, 0, 0, 0.1);
  padding: 1.5rem;
  box-shadow: var(--shadow-soft);
}

.servicios__box h3 {
  margin-top: 0;
}

.servicios__box label {
  display: block;
  font-size: 0.8rem;
  margin-bottom: 0.75rem;
}

.servicios__box input,
.servicios__box select {
  width: 100%;
  margin-top: 0.25rem;
  padding: 0.5rem 0.7rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(0, 0, 0, 0.1);
  background: white;
  color: #333;
  font-size: 0.85rem;
}

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

.form__status {
  font-size: 0.8rem;
  margin-top: 0.5rem;
  color: var(--color-muted);
}

/* Footer */

.footer {
  border-top: 1px solid rgba(0, 0, 0, 0.1);
  padding: 2.5rem 0 1.5rem;
  background: #f8f9fa;
}

.footer__content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.5rem;
  font-size: 0.85rem;
  color: var(--color-muted);
}

.footer h3,
.footer h4 {
  margin-top: 0;
  color: var(--color-text);
}

.footer__bottom {
  text-align: center;
  margin-top: 1.5rem;
  font-size: 0.8rem;
  color: var(--color-muted);
}

/* Carrito modal */

.cart-modal {
  position: fixed;
  inset: 0;
  background: rgba(255, 255, 255, 0.8);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 30;
}

.cart-modal--open {
  display: flex;
}

.cart-modal__content {
  width: 100%;
  max-width: 420px;
  max-height: 80vh;
  background: white;
  border-radius: 20px;
  padding: 1.5rem;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(0, 0, 0, 0.1);
  display: flex;
  flex-direction: column;
}

.cart-modal__close {
  align-self: flex-end;
  border: none;
  background: transparent;
  color: var(--color-muted);
  cursor: pointer;
  font-size: 1rem;
}

#cartItems {
  flex: 1;
  overflow-y: auto;
  padding-right: 0.25rem;
  margin-bottom: 1rem;
}

.cart-item {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.4rem 0;
  font-size: 0.8rem;
  border-bottom: 1px solid rgba(30, 41, 59, 0.9);
}

.cart-item__name {
  font-weight: 500;
}

.cart-item__meta {
  color: var(--color-muted);
}

.cart-item button {
  border: none;
  background: transparent;
  color: var(--color-primary);
  cursor: pointer;
  font-size: 0.75rem;
}

.cart-modal__footer {
  border-top: 1px solid rgba(30, 41, 59, 0.9);
  padding-top: 0.75rem;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

/* Utilidades */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.7rem;
  padding: 0.18rem 0.5rem;
  border-radius: 999px;
  background: rgba(108, 117, 125, 0.1);
  border: 1px solid rgba(0, 0, 0, 0.1);
  color: var(--color-muted);
}

/* Responsive */

@media (max-width: 900px) {
  .hero__content,
  .servicios__content {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero__image {
    order: -1;
  }

  .nav {
    display: none; /* aquí podrías implementar un menú móvil más adelante */
  }

  .header__actions input {
    display: none;
  }
}

@media (max-width: 640px) {
  .hero__text h1 {
    font-size: 2.1rem;
  }

  .section {
    padding: 3rem 0;
  }
}

/* Animaciones */
@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: scale(0.9) translateY(-20px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Estilos mejorados para formulario de producto */
.form-section h3 {
  color: var(--color-primary);
  margin-bottom: 1rem;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
}

.form-section h3 .icon {
  margin-right: 0.5rem;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.image-upload-section {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.image-upload-area {
  flex: 1;
  border: 2px dashed rgba(148, 163, 184, 0.3);
  border-radius: var(--radius-md);
  padding: 2rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  background: rgba(15, 23, 42, 0.3);
}

.image-upload-area:hover,
.image-upload-area.dragover {
  border-color: var(--color-primary);
  background: rgba(255, 76, 41, 0.1);
  transform: scale(1.02);
}

.upload-placeholder .upload-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  color: var(--color-muted);
}

.upload-placeholder p {
  margin: 0.5rem 0;
  color: var(--color-text);
  font-weight: 500;
}

.upload-placeholder span {
  color: var(--color-muted);
  font-size: 0.9rem;
}

.upload-placeholder small {
  display: block;
  margin-top: 0.5rem;
  color: var(--color-muted);
  font-size: 0.8rem;
}

.image-preview {
  flex: 1;
  border-radius: var(--radius-md);
  background: rgba(15, 23, 42, 0.5);
  padding: 1rem;
  text-align: center;
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.preview-placeholder {
  color: var(--color-muted);
}

.preview-placeholder .icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.image-preview img {
  max-width: 100%;
  max-height: 200px;
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
  animation: fadeIn 0.3s ease;
}

.form-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  padding-top: 1rem;
  margin-top: 1rem;
  border-top: 1px solid rgba(148, 163, 184, 0.2);
}

.btn-primary, .btn-secondary {
  padding: 0.75rem 2rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
}

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

.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(255, 76, 41, 0.4);
}

.btn-secondary {
  background: rgba(148, 163, 184, 0.2);
  color: var(--color-text);
}

.btn-secondary:hover {
  background: rgba(148, 163, 184, 0.3);
  transform: translateY(-2px);
}

/* Responsive */
@media (max-width: 768px) {
  .add-product-modal {
    width: 95vw;
    padding: 1rem;
  }

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

  .image-upload-section {
    flex-direction: column;
  }

  .image-preview {
    min-height: 150px;
  }
}