/* ============================================
   GALLERY.CSS - Photo Gallery & Modal Styles
   Clean solid forged-light theme. NO glass/blur.
   Architecture: main.css → components.css → gallery.css → responsive.css
   ============================================ */

/* --------------------------------------------
   MODAL OVERLAY
   Full-screen backdrop (dark for focus on content/photos, no glass)
   -------------------------------------------- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: var(--z-modal);
    background: rgba(0, 0, 0, 0.88);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Prevent body scroll when modal open */
body.modal-open {
    overflow: hidden;
}

/* --------------------------------------------
   MODAL CONTAINER
   Main modal content wrapper
   -------------------------------------------- */
.modal-container {
    position: relative;
    width: 100%;
    max-width: 1200px;
    height: 95vh;
    max-height: 95vh;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform: scale(0.96) translateY(20px);
    transition: transform var(--transition-base);
}

.modal-overlay.active .modal-container {
    transform: scale(1) translateY(0);
}

/* --------------------------------------------
   MODAL HEADER
   Title, address, close button
   -------------------------------------------- */
.modal-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding: var(--space-5) var(--space-6);
    border-bottom: 1px solid var(--border);
    background: var(--surface);
}

.modal-title-group {
    flex: 1;
}

.modal-title {
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    color: var(--text);
    margin-bottom: var(--space-1);
}

.modal-address {
    font-size: var(--text-sm);
    color: var(--text2);
    font-weight: var(--font-light);
}

.modal-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    color: var(--text2);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
    flex-shrink: 0;
    margin-left: var(--space-4);
}

.modal-close:hover {
    color: var(--text);
    background: var(--surface2);
}

/* --------------------------------------------
   MODAL DESCRIPTION
   Collapsible property details panel
   -------------------------------------------- */
.modal-description {
    border-bottom: 1px solid var(--border);
}

.description-toggle {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-6);
    color: var(--text2);
    font-size: var(--text-sm);
    font-weight: var(--font-bold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: var(--surface2);
    transition: all var(--transition-fast);
}

.description-toggle:hover {
    background: var(--accent-faint);
    color: var(--accent);
}

.toggle-icon {
    transition: transform var(--transition-base);
}

.description-toggle.collapsed .toggle-icon {
    transform: rotate(-90deg);
}

.description-content {
    padding: var(--space-5) var(--space-6);
    background: var(--surface);
    max-height: 200px;
    overflow: hidden;
    transition: all var(--transition-base);
}

.description-content.collapsed {
    max-height: 0;
    padding-top: 0;
    padding-bottom: 0;
}

.description-content p {
    color: var(--text2);
    font-size: var(--text-sm);
    line-height: 1.7;
    margin-bottom: var(--space-4);
}

.property-details {
    display: flex;
    gap: var(--space-6);
    flex-wrap: wrap;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--text2);
    font-size: var(--text-sm);
}

.detail-item svg {
    color: var(--accent);
    flex-shrink: 0;
}

.detail-item strong {
    color: var(--text);
    font-weight: var(--font-bold);
}

/* --------------------------------------------
   MAIN IMAGE DISPLAY
   Central large image with navigation arrows
   -------------------------------------------- */
.modal-main-image {
    position: relative;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    padding: var(--space-4);
    background: var(--bg2);
    overflow: hidden;
}

.image-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.main-image {
    max-width: 100%;
    max-height: 70vh;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    transition: opacity var(--transition-fast);
}

.main-image.loading {
    opacity: 0.5;
}

.image-counter {
    position: absolute;
    bottom: var(--space-4);
    left: 50%;
    transform: translateX(-50%);
    background: var(--surface);
    color: var(--text);
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    font-weight: var(--font-bold);
    border-radius: var(--radius-full);
    border: 1px solid var(--border);
}

/* --------------------------------------------
   GALLERY ARROWS
   Prev/Next navigation buttons
   -------------------------------------------- */
.gallery-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    color: var(--text);
    z-index: 10;
    transition: all var(--transition-base);
}

.gallery-arrow:hover {
    background: var(--accent);
    color: var(--accent-text);
    transform: translateY(-50%) scale(1.05);
}

.gallery-arrow:active {
    transform: translateY(-50%) scale(0.95);
}

.gallery-arrow:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.gallery-arrow:disabled:hover {
    background: var(--bg-card);
    transform: translateY(-50%);
}

.gallery-arrow-prev {
    left: var(--space-4);
}

.gallery-arrow-next {
    right: var(--space-4);
}

/* --------------------------------------------
   THUMBNAIL STRIP
   Horizontal scrollable thumbnail navigation
   -------------------------------------------- */
.thumbnail-strip {
    display: flex;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-6);
    background: var(--surface);
    border-top: 1px solid var(--border);
    overflow-x: auto;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
}

/* Custom scrollbar for thumbnail strip */
.thumbnail-strip::-webkit-scrollbar {
    height: 6px;
}

.thumbnail-strip::-webkit-scrollbar-track {
    background: var(--surface2);
    border-radius: var(--radius-full);
}

.thumbnail-strip::-webkit-scrollbar-thumb {
    background: var(--accent);
    border-radius: var(--radius-full);
}

.thumbnail-item {
    flex-shrink: 0;
    width: 80px;
    height: 60px;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    opacity: 0.65;
    transition: all var(--transition-fast);
}

.thumbnail-item:hover {
    opacity: 0.95;
    border-color: var(--border2);
}

.thumbnail-item.active {
    opacity: 1;
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent);
}

.thumbnail-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* --------------------------------------------
   GALLERY ANIMATIONS
   -------------------------------------------- */
@keyframes modalFadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(40px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

@keyframes imageSlideIn {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes imageSlideOut {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(-20px);
    }
}

/* Image transition effect */
.main-image.slide-in {
    animation: imageSlideIn 0.3s ease forwards;
}

/* --------------------------------------------
   LOADING STATE
   Placeholder while images load
   -------------------------------------------- */
.image-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

/* --------------------------------------------
   TOUCH/SWIPE HINTS
   Mobile touch indicators
   -------------------------------------------- */
.swipe-hint {
    position: absolute;
    bottom: var(--space-16);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--text3);
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 1px;
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.modal-overlay.active .swipe-hint {
    animation: fadeInOut 3s ease forwards;
}

@keyframes fadeInOut {
    0%, 100% {
        opacity: 0;
    }
    20%, 80% {
        opacity: 1;
    }
}