/* ESTILOS ESPECÍFICOS PÁGINA SERVICIOS */

.filtro-section {
    background: linear-gradient(135deg, var(--deep) 0%, var(--teal) 100%);
    padding: 2rem;
    border-radius: 16px;
    margin-bottom: 2rem;
    color: var(--w);
    box-shadow: 0 8px 20px rgba(15, 40, 71, 0.15);
}

.filtro-section h2 {
    margin-top: 0;
    margin-bottom: 1.5rem;
    font-family: 'Sora', sans-serif;
    font-size: 1.5rem;
}

#buscar {
    width: 100%;
    padding: 1rem 1.4rem;
    border: 3px solid var(--ink);
    border-radius: 99px;
    font: inherit;
    background: var(--w);
    font-size: 1rem;
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
}

#buscar:focus {
    outline: none;
    border-color: var(--sky);
    box-shadow: 0 0 0 4px rgba(93, 206, 215, 0.2);
}

.chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin: 1.5rem 0;
}

.chip {
    padding: 0.6rem 1.4rem;
    border-radius: 99px;
    border: 2px solid var(--w);
    background: transparent;
    font: 700 0.95rem 'Nunito Sans', sans-serif;
    color: var(--w);
    cursor: pointer;
    transition: all 0.3s ease;
}

.chip:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.chip.on {
    background: var(--w);
    color: var(--deep);
    font-weight: 800;
}

.view-toggle {
    display: flex;
    gap: 1rem;
    margin: 1.5rem 0;
    flex-wrap: wrap;
}

.view-btn {
    padding: 0.7rem 1.5rem;
    border: 2px solid var(--w);
    background: transparent;
    color: var(--w);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    font-size: 0.95rem;
}

.view-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.view-btn.active {
    background: var(--w);
    color: var(--deep);
    font-weight: 800;
}

/* CATEGORÍAS */
.categorias-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.categoria-card {
    background: linear-gradient(135deg, var(--deep) 0%, var(--teal) 100%);
    padding: 2rem;
    border-radius: 16px;
    color: var(--w);
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(15, 40, 71, 0.1);
    border: 2px solid transparent;
}

.categoria-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(15, 40, 71, 0.2);
    border-color: var(--sky);
}

.categoria-card h3 {
    margin: 0 0 0.8rem 0;
    font-size: 1.4rem;
    font-family: 'Sora', sans-serif;
    font-weight: 800;
}

.categoria-card p {
    margin: 0 0 1rem 0;
    font-size: 0.95rem;
    opacity: 0.95;
}

.categoria-card .count {
    display: inline-block;
    background: rgba(255, 255, 255, 0.25);
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    backdrop-filter: blur(10px);
}

/* GRID DE EXÁMENES */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.4rem;
    margin: 2rem 0;
}

.examen-item {
    background: var(--w);
    padding: 1.4rem;
    border-radius: 16px;
    border-top: 5px solid var(--sky);
    box-shadow: 0 2px 8px rgba(15, 40, 71, 0.08);
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    transition: all 0.3s ease;
}

.examen-item:hover {
    transform: translateY(-4px) rotate(-0.5deg);
    box-shadow: 0 8px 20px rgba(15, 40, 71, 0.12);
    border-top-color: var(--deep);
}

.examen-item h4 {
    margin: 0;
    color: var(--ink);
    font-size: 1.1rem;
    font-weight: 700;
    font-family: 'Sora', sans-serif;
}

.examen-info {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.85rem;
    color: var(--teal);
    padding: 0.8rem 0;
    border-top: 1px solid var(--gray);
    border-bottom: 1px solid var(--gray);
}

.muestra,
.tiempo {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-weight: 600;
}

.examen-item .btn {
    display: block;
    width: 100%;
    padding: 0.8rem;
    margin-top: auto;
    text-align: center;
    box-sizing: border-box;
    text-decoration: none;
}

.resumen {
    margin: 1.5rem 0 0;
    font-weight: 700;
    color: var(--teal);
}

.categoria-card:focus-visible {
    outline: 3px solid var(--sky);
    outline-offset: 2px;
}

/* ESTADO VACÍO */
#vacio {
    text-align: center;
    font-weight: 700;
    margin-top: 2rem;
    padding: 2rem;
    color: var(--teal);
    font-size: 1.1rem;
}

[hidden] {
    display: none !important;
}

/* RESPONSIVE */
@media (max-width: 768px) {
    .filtro-section {
        padding: 1.5rem;
    }

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

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

    .chips {
        gap: 0.5rem;
    }

    .chip {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }
}

/* BOTÓN AGREGAR */
.btn-add {
    display: block;
    width: 100%;
    margin-top: auto;
    padding: 0.8rem;
    box-sizing: border-box;
    text-align: center;
    cursor: pointer;
    border: 2px solid var(--deep);
    border-radius: 99px;
    background: linear-gradient(135deg, var(--deep) 0%, var(--teal) 100%);
    color: var(--w);
    font: 700 0.95rem 'Nunito Sans', sans-serif;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-add:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 14px rgba(15, 40, 71, 0.25);
}

.btn-add.added {
    background: transparent;
    color: var(--deep);
}

/* CARRITO LATERAL */
.no-scroll { overflow: hidden; }

.cart-toggle {
    position: fixed;
    right: 1rem;
    bottom: 6rem;
    z-index: 900;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.2rem;
    border: none;
    border-radius: 99px;
    background: var(--deep);
    color: var(--w);
    font: 700 1rem 'Nunito Sans', sans-serif;
    cursor: pointer;
    box-shadow: 0 6px 18px rgba(15, 40, 71, 0.35);
    transition: transform 0.2s ease;
}

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

.cart-count {
    min-width: 1.5rem;
    height: 1.5rem;
    padding: 0 0.4rem;
    border-radius: 99px;
    background: var(--sky);
    color: var(--deep);
    font-size: 0.85rem;
    font-weight: 800;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.cart-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: rgba(15, 40, 71, 0.5);
}

.cart-panel {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 1001;
    width: min(400px, 100%);
    display: flex;
    flex-direction: column;
    background: var(--w);
    box-shadow: -8px 0 30px rgba(15, 40, 71, 0.25);
    transform: translateX(105%);
    visibility: hidden;
    transition: transform 0.3s ease, visibility 0.3s;
}

.cart-panel.open {
    transform: translateX(0);
    visibility: visible;
}

.cart-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.2rem 1.4rem;
    background: linear-gradient(135deg, var(--deep) 0%, var(--teal) 100%);
    color: var(--w);
}

.cart-head h2 {
    margin: 0;
    font-family: 'Sora', sans-serif;
    font-size: 1.25rem;
}

.cart-close {
    border: none;
    background: rgba(255, 255, 255, 0.2);
    color: var(--w);
    width: 2.2rem;
    height: 2.2rem;
    border-radius: 50%;
    font-size: 1rem;
    cursor: pointer;
}

.cart-body {
    flex: 1;
    overflow-y: auto;
    padding: 1rem 1.4rem;
}

.cart-empty {
    text-align: center;
    color: var(--teal);
    margin-top: 2rem;
    line-height: 1.6;
}

.cart-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.cart-list li {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.8rem;
    padding: 0.9rem 0;
    border-bottom: 1px solid var(--gray);
}

.cart-list strong {
    display: block;
    color: var(--ink);
    font-size: 0.95rem;
}

.cart-list small {
    color: var(--teal);
    font-size: 0.8rem;
}

.cart-remove {
    flex: none;
    border: none;
    background: transparent;
    font-size: 1.1rem;
    cursor: pointer;
    padding: 0.3rem;
}

.cart-foot {
    padding: 1rem 1.4rem 1.4rem;
    border-top: 1px solid var(--gray);
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.cart-dom {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.7rem 0.9rem;
    border-radius: 12px;
    background: rgba(93, 206, 215, 0.15);
    color: var(--deep);
    font-weight: 700;
    font-size: 0.92rem;
    cursor: pointer;
}

.cart-dom input {
    width: 1.1rem;
    height: 1.1rem;
    accent-color: var(--deep);
}

.cart-send {
    display: block;
    width: 100%;
    padding: 0.9rem;
    text-align: center;
    box-sizing: border-box;
    cursor: pointer;
    border: none;
    border-radius: 99px;
    background: linear-gradient(135deg, var(--deep) 0%, var(--teal) 100%);
    color: var(--w);
    font: 700 1rem 'Nunito Sans', sans-serif;
}

.cart-send:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.cart-clear {
    border: none;
    background: transparent;
    color: var(--teal);
    font: 700 0.9rem 'Nunito Sans', sans-serif;
    text-decoration: underline;
    cursor: pointer;
}

@media (max-width: 768px) {
    .cart-label { display: none; }
    .cart-toggle { padding: 0.8rem 1rem; }
}