/* UD Properties — Frontend Styles */
:root {
    --udp-primary: #1a3a5c;
    --udp-primary-light: #24506e;
    --udp-accent: #e8913a;
    --udp-accent-hover: #d17e2e;
    --udp-bg: #f0f2f5;
    --udp-card: #ffffff;
    --udp-text: #2c3e50;
    --udp-text-light: #6b7b8d;
    --udp-text-lighter: #95a5b6;
    --udp-border: #e1e5ea;
    --udp-radius: 10px;
    --udp-radius-sm: 6px;
    --udp-shadow: 0 1px 3px rgba(0,0,0,0.06), 0 4px 12px rgba(0,0,0,0.06);
    --udp-shadow-hover: 0 4px 12px rgba(0,0,0,0.08), 0 12px 32px rgba(0,0,0,0.1);
}

/* Container */
.udp-container {
    max-width: 1280px;
    margin: 3rem auto;
    padding: 0 1.5rem;
}

/* Header */
.udp-header {
    text-align: center;
    margin-bottom: 2rem;
}
.udp-title {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--udp-text);
    margin: 0 0 0.5rem;
    letter-spacing: -0.5px;
}
.udp-lead {
    font-size: 1.05rem;
    color: var(--udp-text-light);
    max-width: 640px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Grid */
.udp-listings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 1.75rem;
}

/* Card — equal height with pinned buttons */
.udp-card {
    background: var(--udp-card);
    border-radius: var(--udp-radius);
    overflow: hidden;
    box-shadow: var(--udp-shadow);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    display: flex;
    flex-direction: column;
}
.udp-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--udp-shadow-hover);
}

/* Gallery */
.udp-gallery { margin: 0; }
.udp-gallery-main {
    position: relative;
    width: 100%;
    height: 260px;
    overflow: hidden;
    background: #e8eaed;
}
.udp-gallery-main img.udp-main-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}
.udp-card:hover .udp-main-img { transform: scale(1.03); }

.udp-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--udp-primary);
    color: #fff;
    padding: 0.25rem 0.65rem;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.udp-price {
    position: absolute;
    bottom: 12px;
    left: 12px;
    background: rgba(0,0,0,0.75);
    backdrop-filter: blur(8px);
    color: #fff;
    padding: 0.35rem 0.85rem;
    border-radius: var(--udp-radius-sm);
    font-size: 1.2rem;
    font-weight: 700;
}
.udp-price span { font-size: 0.75rem; font-weight: 400; opacity: 0.85; }

.udp-photo-count {
    position: absolute;
    bottom: 12px;
    right: 12px;
    background: rgba(0,0,0,0.65);
    backdrop-filter: blur(8px);
    color: #fff;
    padding: 0.35rem 0.75rem;
    border: none;
    border-radius: var(--udp-radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.35rem;
    cursor: pointer;
    transition: background 0.2s;
}
.udp-photo-count:hover { background: rgba(0,0,0,0.85); }
.udp-photo-count svg { width: 16px; height: 16px; }

/* Thumbnails */
.udp-thumbs {
    display: flex;
    gap: 3px;
    padding: 3px;
    background: var(--udp-card);
    overflow: hidden;
    height: 56px;
}
.udp-thumbs img {
    flex: 1 1 0;
    min-width: 0;
    height: 50px;
    object-fit: cover;
    border-radius: 4px;
    opacity: 0.7;
    transition: opacity 0.2s;
    cursor: pointer;
}
.udp-thumbs img:hover, .udp-thumbs img.active { opacity: 1; }

/* Card body */
.udp-body {
    padding: 1.25rem 1.25rem 1rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.udp-specs {
    display: flex;
    justify-content: space-between;
    margin: 0 0 0.75rem;
}
.udp-spec {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    background: var(--udp-bg);
    padding: 0.3rem 0.6rem;
    border-radius: 20px;
    font-size: 0.78rem;
    color: var(--udp-text);
    font-weight: 500;
}
.udp-spec dd { margin: 0; display: flex; align-items: center; gap: 0.3rem; }
.udp-spec svg { width: 14px; height: 14px; color: var(--udp-text-light); }

.udp-address {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--udp-text);
    margin: 0.75rem 0 0.15rem;
    line-height: 1.35;
}
.udp-city {
    font-style: normal;
    font-size: 0.85rem;
    color: var(--udp-text-light);
    margin-bottom: 0.65rem;
}
.udp-description {
    font-size: 0.82rem;
    color: var(--udp-text-light);
    line-height: 1.55;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 0.75rem;
}

/* Details */
.udp-details {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 0 0 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--udp-border);
}
.udp-detail { display: flex; gap: 0.3rem; font-size: 0.75rem; color: var(--udp-text-light); }
.udp-detail dt { font-weight: 600; color: var(--udp-text); }
.udp-detail dt::after { content: ':'; }
.udp-detail dd { margin: 0; }
.udp-detail + .udp-detail::before { content: '\00B7'; color: var(--udp-border); margin-right: 0.25rem; }

/* Features */
.udp-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin: 0 0 0.75rem;
    padding: 0;
    list-style: none;
}
.udp-feature {
    background: #edf2f7;
    color: var(--udp-text-light);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 500;
}

/* Actions — pinned to bottom */
.udp-actions {
    display: flex;
    gap: 0.5rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--udp-border);
    margin-top: auto;
}
.udp-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.65rem 1rem;
    border-radius: var(--udp-radius-sm);
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 600;
    text-align: center;
    flex: 1;
    transition: background 0.2s, transform 0.15s;
}
.udp-btn:active { transform: scale(0.98); }
.udp-btn svg { width: 16px; height: 16px; }
.udp-btn-primary { background: var(--udp-accent); color: #fff; }
.udp-btn-primary:hover { background: var(--udp-accent-hover); color: #fff; text-decoration: none; }
.udp-btn-secondary { background: var(--udp-bg); color: var(--udp-text); border: 1px solid var(--udp-border); }
.udp-btn-secondary:hover { background: #e4e8ec; text-decoration: none; }

/* Pagination */
.udp-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.35rem;
    margin: 2.5rem 0 1rem;
}
.udp-page-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.25rem;
    height: 2.25rem;
    padding: 0 0.65rem;
    border-radius: var(--udp-radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    color: var(--udp-text);
    background: var(--udp-card);
    border: 1px solid var(--udp-border);
    transition: background 0.2s, color 0.2s;
}
.udp-page-link:hover {
    background: var(--udp-bg);
    text-decoration: none;
    color: var(--udp-text);
}
.udp-page-current {
    background: var(--udp-primary);
    color: #fff;
    border-color: var(--udp-primary);
}

/* No listings */
.udp-no-listings { text-align: center; padding: 4rem 2rem; color: var(--udp-text-light); }
.udp-no-listings h2 { margin-bottom: 0.5rem; color: var(--udp-text); }
.udp-no-photo { display: flex; align-items: center; justify-content: center; height: 100%; color: var(--udp-text-lighter); font-size: 0.85rem; }

/* Screen-reader only */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* Lightbox */
#udp-lightbox {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 99999;
    background: rgba(0,0,0,0.95);
    align-items: center;
    justify-content: center;
}
#udp-lightbox.active { display: flex; }
#udp-lb-img { max-width: 90vw; max-height: 85vh; object-fit: contain; border-radius: 4px; user-select: none; }
.udp-lb-close { position: absolute; top: 16px; right: 20px; background: none; border: none; color: #fff; font-size: 2.5rem; cursor: pointer; line-height: 1; opacity: 0.8; transition: opacity 0.2s; z-index: 10; }
.udp-lb-close:hover, .udp-lb-close:focus-visible { opacity: 1; }
.udp-lb-prev, .udp-lb-next { position: absolute; top: 50%; transform: translateY(-50%); background: rgba(255,255,255,0.1); border: none; color: #fff; font-size: 3rem; cursor: pointer; padding: 0.5rem 1rem; border-radius: 6px; opacity: 0.7; transition: opacity 0.2s, background 0.2s; z-index: 10; line-height: 1; }
.udp-lb-prev { left: 16px; }
.udp-lb-next { right: 16px; }
.udp-lb-prev:hover, .udp-lb-next:hover, .udp-lb-prev:focus-visible, .udp-lb-next:focus-visible { opacity: 1; background: rgba(255,255,255,0.2); }
.udp-lb-counter { position: absolute; bottom: 20px; left: 50%; transform: translateX(-50%); color: rgba(255,255,255,0.7); font-size: 0.9rem; font-weight: 500; }
#udp-lightbox button:focus-visible { outline: 2px solid #fff; outline-offset: 2px; }

/* Responsive */
@media (max-width: 480px) {
    .udp-listings-grid { grid-template-columns: 1fr; }
    .udp-gallery-main { height: 220px; }
    .udp-thumbs { height: 48px; }
    .udp-actions { flex-direction: column; }
}