/* ===== VARIABLES ===== */
:root {
    --color-primary: #2d5a27;
    --color-primary-dark: #1e3d1a;
    --color-secondary: #d4a574;
    --color-accent: #f4e4c1;
    --color-text: #333;
    --color-text-light: #666;
    --color-bg: #faf9f7;
    --color-white: #ffffff;
    --color-border: #e0ddd5;
    --radius: 8px;
    --shadow: 0 2px 8px rgba(0,0,0,0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 1rem; }
main { flex: 1; }

/* ===== HEADER ===== */
.header {
    background: var(--color-white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
}

.logo {
    font-size: 1.5rem;
    color: var(--color-primary);
    font-weight: bold;
}

.nav { display: flex; gap: 1.5rem; align-items: center; }

.nav a {
    padding: 0.5rem;
    border-radius: 4px;
    transition: all 0.3s;
}

.nav a:hover, .nav a.active {
    color: var(--color-primary);
    background: var(--color-accent);
}

.cart-link {
    background: var(--color-accent);
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    position: relative;
}

.cart-count {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--color-primary);
    color: white;
    font-size: 0.75rem;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ===== SECCIONES ===== */
.section { display: none; padding: 3rem 1rem; }
.section.active { display: block; }

.section-title {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 2rem;
    color: var(--color-primary);
}

/* ===== HOME ===== */
.hero {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
    text-align: center;
    padding: 4rem 1rem;
    margin-bottom: 2rem;
}

.hero h1 { font-size: 2.5rem; margin-bottom: 1rem; }
.hero p { font-size: 1.2rem; opacity: 0.9; margin-bottom: 2rem; }

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: var(--color-secondary);
    color: var(--color-text);
    border-radius: var(--radius);
    font-weight: 600;
    transition: transform 0.3s;
}

.btn:hover { transform: translateY(-2px); }

.info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.info-card {
    background: var(--color-white);
    padding: 1.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-align: center;
}

.info-card h3 { color: var(--color-primary); margin-bottom: 0.5rem; }

/* ===== PRODUCTOS ===== */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.5rem;
}

/* ===== MANTENIMIENTO ===== */
.manto-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.manto-card {
    background: var(--color-white);
    padding: 1.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: transform 0.3s;
}

.manto-card:hover { transform: translateY(-4px); }

.manto-icon {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.manto-card h2 {
    color: var(--color-primary);
    margin-bottom: 0.75rem;
    font-size: 1.3rem;
}

.manto-card p {
    color: var(--color-text-light);
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.manto-card ul {
    list-style: none;
    padding-left: 0;
}

.manto-card ul li {
    padding: 0.4rem 0;
    border-bottom: 1px solid var(--color-border);
    font-size: 0.9rem;
}

.manto-card ul li:last-child { border-bottom: none; }

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.calendar-card {
    background: var(--color-primary);
    color: white;
    padding: 1.5rem;
    border-radius: var(--radius);
    text-align: center;
}

.calendar-card h3 {
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.calendar-card ul {
    list-style: none;
    text-align: left;
    font-size: 0.85rem;
}

.calendar-card ul li {
    padding: 0.3rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.2);
}

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

@media (max-width: 600px) {
    .calendar-grid { grid-template-columns: 1fr; }
    .manto-grid { grid-template-columns: 1fr; }
}

.product-card {
    background: var(--color-white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s;
}

.product-card:hover { transform: translateY(-4px); }

.product-image { height: 200px; overflow: hidden; position: relative; z-index: 1; }
.product-image img { width: 100%; height: 100%; object-fit: cover; position: relative; z-index: 2; }

.product-info { padding: 1rem; }

.category {
    display: inline-block;
    background: var(--color-primary);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.product-info h3 { margin: 0.5rem 0; }
.producer { color: var(--color-text-light); font-size: 0.85rem; margin-bottom: 0.5rem; }
.price { font-size: 1.3rem; font-weight: bold; color: var(--color-primary); margin-bottom: 1rem; }

.btn-primary {
    width: 100%;
    background: var(--color-primary);
    color: white;
    padding: 0.6rem;
    border-radius: var(--radius);
}

/* ===== CARRITO ===== */
.cart-container { max-width: 800px; margin: 0 auto; }

.cart-empty {
    text-align: center;
    padding: 3rem;
    background: var(--color-white);
    border-radius: var(--radius);
}

.cart-item {
    display: grid;
    grid-template-columns: 80px 1fr auto auto auto;
    gap: 1rem;
    align-items: center;
    background: var(--color-white);
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.cart-item img { width: 80px; height: 80px; object-fit: cover; border-radius: 4px; }

.cart-item-quantity { display: flex; gap: 0.5rem; align-items: center; }

.btn-quantity {
    width: 30px;
    height: 30px;
    background: var(--color-accent);
    border-radius: 50%;
    font-weight: bold;
}

.btn-remove { color: #dc3545; font-size: 1.2rem; }

.cart-summary {
    background: var(--color-white);
    padding: 1.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-top: 2rem;
}

.cart-summary h3 { margin-bottom: 1rem; color: var(--color-primary); }

.summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.summary-row.total { 
    font-size: 1.3rem; 
    font-weight: bold; 
    color: var(--color-primary); 
    border-top: 2px solid var(--color-border); 
    padding-top: 1rem; 
}

/* ===== CONTACTO ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.contact-info, .contact-form {
    background: var(--color-white);
    padding: 2rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.info-row { display: flex; gap: 0.75rem; margin-bottom: 1rem; align-items: flex-start; }
.info-row strong { display: block; color: var(--color-text-light); font-size: 0.85rem; }
.info-row a { color: var(--color-primary); }

.form-group { margin-bottom: 1rem; }
.form-group label { display: block; font-size: 0.9rem; font-weight: 600; margin-bottom: 0.25rem; }
.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 0.6rem;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-family: inherit;
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.btn-full { width: 100%; margin-top: 0.5rem; }

/* ===== NOSOTROS ===== */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    margin-bottom: 3rem;
}

.about-image { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.about-text h2 { color: var(--color-primary); margin-bottom: 1rem; }
.about-text p { margin-bottom: 1rem; }

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 2px solid var(--color-accent);
}

.stat { text-align: center; }
.stat-number { font-size: 2.5rem; font-weight: bold; color: var(--color-primary); }
.stat-label { font-size: 0.9rem; color: var(--color-text-light); }

/* ===== ADMIN ===== */
.admin-card {
    background: var(--color-white);
    padding: 2rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

.admin-card h2 { color: var(--color-primary); margin-bottom: 1rem; }

.admin-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.admin-form input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: 4px;
}

.admin-form .btn { margin-top: 1rem; }

.table-responsive { overflow-x: auto; }

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

.admin-table th, .admin-table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.admin-table th {
    background: var(--color-accent);
    color: var(--color-primary-dark);
}

.btn-sm { padding: 0.4rem 0.8rem; font-size: 0.85rem; }
.btn-danger { background: #dc3545; color: white; padding: 0.6rem 1rem; border-radius: 4px; }

/* ===== FOOTER ===== */
.footer {
    background: var(--color-primary-dark);
    color: white;
    text-align: center;
    padding: 2rem 1rem;
    margin-top: auto;
}

/* ===== TOAST ===== */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--color-primary);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    animation: slideIn 0.3s ease;
    z-index: 1000;
}

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* ===== MODAL ===== */
.modal {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    background: var(--color-white);
    padding: 2rem;
    border-radius: var(--radius);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
}

.modal-close {
    position: absolute;
    top: 1rem; right: 1rem;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-text-light);
}

.modal-content h2 { color: var(--color-primary); margin-bottom: 1.5rem; }

.checkout-form .form-group { margin-bottom: 1rem; }
.checkout-form label { display: block; margin-bottom: 0.3rem; font-weight: 500; }
.checkout-form input, .checkout-form textarea {
    width: 100%;
    padding: 0.6rem;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-family: inherit;
}

/* ===== RESPONSIVE ===== */
.category-filters { display: flex; gap: 0.5rem; margin-bottom: 1.5rem; flex-wrap: wrap; }
.category-filters .btn-sm { padding: 0.4rem 1rem; border-radius: 20px; background: var(--color-accent); color: var(--color-primary-dark); border: none; }
.category-filters .btn-sm.active { background: var(--color-primary); color: white; }

@media (max-width: 768px) {
    .header .container { flex-direction: column; gap: 1rem; }
    .nav { gap: 0.5rem; font-size: 0.9rem; flex-wrap: wrap; justify-content: center; }
    .hero h1 { font-size: 1.8rem; }
    .info-grid, .stats, .about-content, .contact-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .cart-item { grid-template-columns: 60px 1fr auto; }
    .admin-form .form-row { grid-template-columns: 1fr; }
}

/* ===== REGISTRO ===== */
.registro-form-card {
    background: var(--color-white);
    padding: 2rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

.registro-form-card h2 { color: var(--color-primary); margin-bottom: 1.5rem; }

.registro-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.registro-form .form-group { margin-bottom: 0; }

.registro-form input,
.registro-form select,
.registro-form textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-family: inherit;
    font-size: 1rem;
}

.registro-form label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.3rem;
    font-size: 0.9rem;
}

.registro-form .btn { margin-top: 1rem; }

.registro-filtros {
    background: var(--color-white);
    padding: 1.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
}

.registro-filtros h2 { color: var(--color-primary); margin-bottom: 1rem; font-size: 1.3rem; }

.filtros-row {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: center;
}

.filtros-row select,
.filtros-row input {
    padding: 0.5rem;
    border: 1px solid var(--color-border);
    border-radius: 4px;
}

.registro-list {
    background: var(--color-white);
    padding: 1.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
    overflow-x: auto;
}

.registro-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.registro-table th,
.registro-table td {
    padding: 0.75rem 0.5rem;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.registro-table th {
    background: var(--color-accent);
    color: var(--color-primary-dark);
    font-weight: 600;
}

.registro-table td { vertical-align: top; }
.registro-table img { border-radius: 4px; }

.empty-msg {
    text-align: center;
    padding: 2rem;
    color: var(--color-text-light);
}

.tipo-badge {
    display: inline-block;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.tipo-siembra { background: #d4edda; color: #155724; }
.tipo-riego { background: #cce5ff; color: #004085; }
.tipo-abonado { background: #fff3cd; color: #856404; }
.tipo-tratamiento { background: #f8d7da; color: #721c24; }
.tipo-poda { background: #e2e3e5; color: #383d41; }
.tipo-recogida { background: #d1ecf1; color: #0c5460; }
.tipo-observacion { background: #f0f0f0; color: #333; }
.tipo-otro { background: #e0e0e0; color: #333; }

.registro-resumen {
    background: var(--color-white);
    padding: 2rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.registro-resumen h2 { color: var(--color-primary); margin-bottom: 1.5rem; }

.resumen-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}

.resumen-card {
    background: var(--color-accent);
    padding: 1rem;
    border-radius: var(--radius);
    text-align: center;
}

.resumen-card .resumen-tipo { font-weight: 600; color: var(--color-primary-dark); }
.resumen-card .resumen-cant { font-size: 1.5rem; font-weight: bold; color: var(--color-primary); }
.resumen-card .resumen-precio { font-size: 0.9rem; color: var(--color-text-light); }

.btn-accion { padding: 0.3rem 0.6rem; font-size: 0.8rem; margin-right: 0.3rem; }

@media (max-width: 768px) {
    .registro-form .form-row { grid-template-columns: 1fr; }
    .filtros-row { flex-direction: column; align-items: stretch; }
    .resumen-grid { grid-template-columns: 1fr 1fr; }
}