:root {
  --primary-color: #0f2b48;
  --secondary-color: #f39c12;
  --accent-color: #27ae60;
  --danger-color: #e74c3c;
  --bg-light: #f8f9fa;
  --bg-card: #ffffff;
  --text-main: #2c3e50;
  --text-muted: #7f8c8d;
  --border-color: #cbd5e1;
  --font-main: 'Roboto', sans-serif;
  --max-width: 1200px;
}

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

body {
  font-family: var(--font-main);
  color: var(--text-main);
  background-color: var(--bg-light);
  line-height: 1.6;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.top-bar {
  background-color: #091a2c;
  color: #d1d5db;
  font-size: 0.85rem;
  padding: 8px 0;
}

.top-bar-content {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

.main-header {
  background-color: var(--bg-card);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
}

.logo a {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
}

.logo a span {
  color: var(--secondary-color);
  margin-left: 5px;
}

.nav-menu ul {
  display: flex;
  list-style: none;
  gap: 20px;
  align-items: center;
}

.nav-menu a {
  text-decoration: none;
  color: var(--text-main);
  font-weight: 500;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.8rem;
  cursor: pointer;
  color: var(--primary-color);
}

.btn {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 500;
  cursor: pointer;
  border: none;
  font-size: 0.9rem;
}

.btn-primary { background-color: var(--primary-color); color: #ffffff; }
.btn-secondary { background-color: var(--secondary-color); color: #ffffff; }
.btn-whatsapp { background-color: var(--accent-color); color: #ffffff; }
.btn-danger { background-color: var(--danger-color); color: #ffffff; }
.btn-outline { background: transparent; border: 1px solid var(--border-color); color: var(--text-main); }
.btn-admin-toggle { background: #e2e8f0; color: #334155; font-size: 0.8rem; padding: 6px 12px; border-radius: 4px; }

.hero {
  background: linear-gradient(rgba(15, 43, 72, 0.9), rgba(15, 43, 72, 0.9)), #2c3e50;
  color: #ffffff;
  padding: 50px 0;
  text-align: center;
}

.search-section { margin-top: -25px; position: relative; z-index: 10; }
.search-box {
  background-color: var(--bg-card);
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  border: 1px solid var(--border-color);
}
.search-input-group { display: flex; gap: 10px; margin-top: 10px; }
.search-input-group input {
  flex: 1;
  padding: 10px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
}

/* PANEL DE GESTIÓN */
.admin-panel-section { padding: 40px 0 20px 0; }
.admin-card {
  background: #ffffff;
  padding: 25px;
  border-radius: 8px;
  border: 2px solid var(--secondary-color);
}
.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-color);
}
.product-form .form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 15px;
}
.form-group { display: flex; flex-direction: column; gap: 5px; }
.form-group.full-width { grid-column: 1 / -1; }
.form-group label { font-size: 0.85rem; font-weight: bold; }
.form-group input, .form-group select {
  padding: 8px 12px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
}
.form-actions { margin-top: 15px; display: flex; gap: 10px; }

/* PRODUCTOS */
.products-section { padding: 40px 0; background-color: #ffffff; }
.products-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 25px; }
.filter-buttons { display: flex; gap: 8px; }
.filter-btn { background: var(--bg-light); border: 1px solid var(--border-color); padding: 6px 14px; border-radius: 4px; cursor: pointer; }
.filter-btn.active { background: var(--primary-color); color: #ffffff; }

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

.product-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 15px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.product-image {
  height: 120px;
  background-color: #f1f5f9;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  margin-bottom: 12px;
  font-size: 2.5rem;
}

.product-badge { font-size: 0.75rem; background-color: #e2e8f0; padding: 2px 6px; border-radius: 3px; }
.stock-tag { font-size: 0.75rem; font-weight: bold; float: right; color: var(--accent-color); }
.product-title { font-size: 1rem; color: var(--primary-color); margin: 6px 0 2px 0; }
.product-ref { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 6px; }
.product-price { font-size: 1.1rem; font-weight: bold; color: var(--primary-color); margin-bottom: 8px; }
.product-specs { font-size: 0.82rem; background: #f8fafc; padding: 6px; border-radius: 4px; margin-bottom: 12px; }

.product-actions { display: flex; flex-direction: column; gap: 6px; }
.action-buttons { display: flex; gap: 6px; margin-top: 6px; }
.action-buttons .btn { flex: 1; padding: 4px 8px; font-size: 0.8rem; }

.about-location-section { padding: 30px 0; background: var(--bg-light); text-align: center; }
.main-footer { background-color: #091a2c; color: #94a3b8; padding: 20px 0; text-align: center; font-size: 0.85rem; }

.modal { display: none; position: fixed; z-index: 2000; left: 0; top: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.6); }
.modal-content { background: #fff; margin: 10% auto; padding: 25px; border-radius: 8px; max-width: 500px; position: relative; }
.close-modal { position: absolute; right: 15px; top: 10px; font-size: 24px; cursor: pointer; }

@media (max-width: 768px) {
  .top-bar-content { flex-direction: column; text-align: center; }
  .header-container { flex-wrap: wrap; }
  .nav-menu { display: none; width: 100%; }
  .nav-menu.active { display: block; }
  .mobile-toggle { display: block; }
  .search-input-group { flex-direction: column; }
}