:root {
    --marfil: #FFF9F1;
    --crema: rgba(248, 241, 231, 0.75);
    --azul-oscuro: #435568;
    --azul-secundario: #71808C;
    --rosa-principal: #D98FA3;
    --rosa-hover: #C97D92;
    --dorado: #D8B878;
    --verde-salvia: #9BAF91;
    --luz-dorada: #FFF1B8;
}

body, html {
    margin: 0;
    padding: 0;
    width: 100%;
    font-family: 'Montserrat', sans-serif;
    color: var(--azul-oscuro);
    min-height: 100vh;
}

/* Fondos Adaptativos */
body {
    background-color: var(--marfil);
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    transition: background-image 0.8s ease-in-out;
}

/* Media Queries para fondos específicos */
@media (max-width: 576px) {
    body { background-image: url('../images/background-mobile.webp'); }
}
@media (min-width: 577px) and (max-width: 992px) {
    body { background-image: url('../images/background-tablet.webp'); }
}
@media (min-width: 993px) {
    body { background-image: url('../images/background-desktop.webp'); }
}

/* Capa de legibilidad */
body::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, rgba(67,85,104,0.15) 100%);
    z-index: 0;
}

/* Canvas Celebration */
#celebrationCanvas {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    pointer-events: none;
    z-index: 10;
}

/* Card Principal */
.content-card {
    position: relative;
    z-index: 5;
    background: var(--crema);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(216, 184, 120, 0.3);
    border-radius: 30px;
    padding: 3rem 2rem;
    max-width: 550px;
    width: 100%;
    border-bottom: 4px solid var(--dorado);
}

h1, h2, .playfair {
    font-family: 'Playfair Display', serif;
    font-weight: 600;
}

.title-main { font-size: 2.2rem; color: var(--azul-oscuro); margin-bottom: 1.5rem; }
.text-body { font-size: 1.15rem; line-height: 1.6; color: var(--azul-secundario); }

/* Botones */
.btn-romantic {
    background-color: var(--rosa-principal);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(217, 143, 163, 0.3);
    margin: 10px;
}

.btn-romantic:hover {
    background-color: var(--rosa-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(217, 143, 163, 0.4);
}

.btn-no {
    background-color: transparent;
    border: 1px solid var(--azul-secundario);
    color: var(--azul-secundario);
    padding: 10px 25px;
    border-radius: 50px;
    transition: all 0.3s ease;
    margin: 10px;
}

/* SweetAlert Customization */
.swal2-popup {
    border-radius: 25px !important;
    background: var(--marfil) !important;
    font-family: 'Montserrat', sans-serif !important;
}

.swal2-title { font-family: 'Playfair Display', serif !important; color: var(--azul-oscuro) !important; }
.swal2-backdrop-show { backdrop-filter: blur(8px) !important; }