/**
 * HANA Gallery - Frontend Styles
 * 
 * Elegant, minimal design for art galleries
 * 
 * @package HANA_Gallery
 * @since 1.0.0
 */

/* ═══════════════════════════════════════════════════════════════════════════
   CSS VARIABLES
   ═══════════════════════════════════════════════════════════════════════════ */

:root {
    --hana-font: 'Cormorant Garamond', Georgia, serif;
    --hana-font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --hana-text: #1a1a1a;
    --hana-text-light: #666;
    --hana-text-muted: #999;
    --hana-bg: #fff;
    --hana-bg-alt: #f8f8f8;
    --hana-border: #e5e5e5;
    --hana-accent: #8b7355;
    --hana-accent-hover: #6d5a43;
    --hana-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --hana-shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.12);
    --hana-radius: 2px;
    --hana-transition: all 0.3s ease;
}

/* ═══════════════════════════════════════════════════════════════════════════
   GALLERY CONTAINER
   ═══════════════════════════════════════════════════════════════════════════ */

.hana-gallery {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem 1rem;
    font-family: var(--hana-font-sans);
}

/* ═══════════════════════════════════════════════════════════════════════════
   FILTERS
   ═══════════════════════════════════════════════════════════════════════════ */

.hana-gallery__filters {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2.5rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--hana-border);
}

.hana-gallery__filter {
    flex: 1;
    min-width: 180px;
}

.hana-filter {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
    font-family: var(--hana-font-sans);
    color: var(--hana-text);
    background: var(--hana-bg);
    border: 1px solid var(--hana-border);
    border-radius: var(--hana-radius);
    cursor: pointer;
    transition: var(--hana-transition);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.hana-filter:hover,
.hana-filter:focus {
    border-color: var(--hana-accent);
    outline: none;
}

/* ═══════════════════════════════════════════════════════════════════════════
   GALLERY GRID
   ═══════════════════════════════════════════════════════════════════════════ */

.hana-gallery__grid {
    display: grid;
    gap: 2rem;
}

.hana-gallery[data-columns="2"] .hana-gallery__grid {
    grid-template-columns: repeat(2, 1fr);
}

.hana-gallery[data-columns="3"] .hana-gallery__grid {
    grid-template-columns: repeat(3, 1fr);
}

.hana-gallery[data-columns="4"] .hana-gallery__grid {
    grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1024px) {
    .hana-gallery[data-columns="4"] .hana-gallery__grid,
    .hana-gallery[data-columns="3"] .hana-gallery__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .hana-gallery[data-columns="4"] .hana-gallery__grid,
    .hana-gallery[data-columns="3"] .hana-gallery__grid,
    .hana-gallery[data-columns="2"] .hana-gallery__grid {
        grid-template-columns: 1fr;
    }
    
    .hana-gallery__filters {
        flex-direction: column;
    }
    
    .hana-gallery__filter {
        min-width: 100%;
    }
}

/* ═══════════════════════════════════════════════════════════════════════════
   ARTWORK CARD
   ═══════════════════════════════════════════════════════════════════════════ */

.hana-artwork-card {
    background: var(--hana-bg);
    border-radius: var(--hana-radius);
    overflow: hidden;
    transition: var(--hana-transition);
}

.hana-artwork-card:hover {
    box-shadow: var(--hana-shadow-hover);
    transform: translateY(-4px);
}

.hana-artwork-card__link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.hana-artwork-card__image {
    position: relative;
    aspect-ratio: 4 / 5;
    overflow: hidden;
    background: var(--hana-bg-alt);
}

.hana-artwork-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.hana-artwork-card:hover .hana-artwork-card__image img {
    transform: scale(1.03);
}

.hana-artwork-card__status {
    position: absolute;
    top: 1rem;
    left: 1rem;
    padding: 0.35rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 500;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--hana-radius);
}

.hana-artwork-card__featured {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 1.25rem;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

.hana-artwork-card__content {
    padding: 1.25rem;
}

.hana-artwork-card__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.5rem;
    margin-bottom: 0.25rem;
}

.hana-artwork-card__title {
    margin: 0;
    font-family: var(--hana-font);
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--hana-text);
    line-height: 1.3;
    flex: 1;
}

/* Status dot indicator */
.hana-artwork-card__dot {
    flex-shrink: 0;
    width: 10px;
    height: 10px;
    margin-top: 0.4rem;
    border-radius: 50%;
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.8), 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s ease;
}

.hana-artwork-card:hover .hana-artwork-card__dot {
    transform: scale(1.2);
}

/* Dot color classes (for reference - colors set inline) */
.hana-artwork-card__dot--available { background-color: #22c55e; }
.hana-artwork-card__dot--sold { background-color: #ef4444; }
.hana-artwork-card__dot--reserved { background-color: #f59e0b; }
.hana-artwork-card__dot--not-for-sale { background-color: #9ca3af; }

.hana-artwork-card__artist {
    margin: 0 0 0.75rem;
    font-size: 0.9rem;
    color: var(--hana-text-light);
}

.hana-artwork-card__meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 0.75rem;
    font-size: 0.8rem;
    color: var(--hana-text-muted);
}

.hana-artwork-card__price {
    padding-top: 0.75rem;
    border-top: 1px solid var(--hana-border);
}

.hana-artwork-card__price-value {
    font-family: var(--hana-font);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--hana-text);
}

.hana-artwork-card__price-request {
    font-size: 0.85rem;
    font-style: italic;
    color: var(--hana-text-muted);
}

/* Featured artwork */
.hana-artwork-card--featured {
    box-shadow: var(--hana-shadow);
}

/* ═══════════════════════════════════════════════════════════════════════════
   ARTISTS GRID
   ═══════════════════════════════════════════════════════════════════════════ */

.hana-artists {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

.hana-artists__grid {
    display: grid;
    gap: 2rem;
}

.hana-artists[data-columns="3"] .hana-artists__grid {
    grid-template-columns: repeat(3, 1fr);
}

.hana-artists[data-columns="4"] .hana-artists__grid {
    grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1024px) {
    .hana-artists[data-columns="4"] .hana-artists__grid,
    .hana-artists[data-columns="3"] .hana-artists__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .hana-artists__grid {
        grid-template-columns: 1fr !important;
    }
}

/* ═══════════════════════════════════════════════════════════════════════════
   ARTIST CARD
   ═══════════════════════════════════════════════════════════════════════════ */

.hana-artist-card {
    text-align: center;
    transition: var(--hana-transition);
}

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

.hana-artist-card__link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.hana-artist-card__image {
    position: relative;
    width: 160px;
    height: 160px;
    margin: 0 auto 1.25rem;
    border-radius: 50%;
    overflow: hidden;
    background: var(--hana-bg-alt);
    box-shadow: var(--hana-shadow);
}

.hana-artist-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hana-artist-card__placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    font-size: 3rem;
    color: var(--hana-text-muted);
}

.hana-artist-card__owner-badge {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--hana-bg);
    border-radius: 50%;
    font-size: 1.25rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.hana-artist-card__name {
    margin: 0 0 0.5rem;
    font-family: var(--hana-font);
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--hana-text);
}

.hana-artist-card__location {
    margin: 0 0 0.25rem;
    font-size: 0.85rem;
    color: var(--hana-text-light);
}

.hana-artist-card__count {
    margin: 0;
    font-size: 0.8rem;
    color: var(--hana-text-muted);
}

/* Owner highlight */
.hana-artist-card--owner .hana-artist-card__image {
    border: 3px solid var(--hana-accent);
}

/* ═══════════════════════════════════════════════════════════════════════════
   SINGLE ARTWORK PAGE
   ═══════════════════════════════════════════════════════════════════════════ */

.hana-single-artwork {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem 4rem;
}

.hana-single-artwork__layout {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 3rem;
    align-items: start;
}

@media (max-width: 900px) {
    .hana-single-artwork__layout {
        grid-template-columns: 1fr;
    }
}

/* Main image */
.hana-single-artwork__main-image {
    position: relative;
    background: var(--hana-bg-alt);
    border-radius: var(--hana-radius);
    overflow: hidden;
}

.hana-single-artwork__main-image img {
    width: 100%;
    height: auto;
    display: block;
    cursor: zoom-in;
}

.hana-single-artwork__status {
    position: absolute;
    top: 1.5rem;
    left: 1.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--hana-radius);
}

/* Gallery thumbnails */
.hana-single-artwork__gallery {
    display: flex;
    gap: 0.75rem;
    margin-top: 1rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
}

.hana-single-artwork__gallery-thumb {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    border-radius: var(--hana-radius);
    overflow: hidden;
    cursor: pointer;
    opacity: 0.6;
    transition: var(--hana-transition);
    border: 2px solid transparent;
}

.hana-single-artwork__gallery-thumb:hover,
.hana-single-artwork__gallery-thumb.active {
    opacity: 1;
    border-color: var(--hana-accent);
}

.hana-single-artwork__gallery-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Details */
.hana-single-artwork__details {
    position: sticky;
    top: 2rem;
}

.hana-single-artwork__title {
    margin: 0 0 0.5rem;
    font-family: var(--hana-font);
    font-size: 2rem;
    font-weight: 500;
    color: var(--hana-text);
    line-height: 1.2;
}

.hana-single-artwork__artist {
    margin: 0 0 1.5rem;
    font-size: 1.1rem;
}

.hana-single-artwork__artist a {
    color: var(--hana-accent);
    text-decoration: none;
}

.hana-single-artwork__artist a:hover {
    text-decoration: underline;
}

.hana-single-artwork__price {
    margin-bottom: 1.5rem;
    padding: 1.25rem;
    background: var(--hana-bg-alt);
    border-radius: var(--hana-radius);
}

.hana-single-artwork__price-label {
    display: block;
    margin-bottom: 0.25rem;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--hana-text-muted);
}

.hana-single-artwork__price-value {
    font-family: var(--hana-font);
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--hana-text);
}

.hana-single-artwork__price-request {
    font-size: 1.1rem;
    font-style: italic;
    color: var(--hana-text-light);
}

.hana-single-artwork__meta {
    margin-bottom: 1.5rem;
}

.hana-single-artwork__meta-row {
    display: flex;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--hana-border);
    font-size: 0.95rem;
}

.hana-single-artwork__meta-label {
    width: 120px;
    flex-shrink: 0;
    color: var(--hana-text-muted);
}

.hana-single-artwork__meta-value {
    color: var(--hana-text);
}

.hana-single-artwork__description {
    margin-bottom: 2rem;
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--hana-text-light);
}

/* Inquiry button */
.hana-single-artwork__inquiry-btn {
    width: 100%;
    padding: 1rem 2rem;
    font-family: var(--hana-font-sans);
    font-size: 1rem;
    font-weight: 500;
    color: #fff;
    background: var(--hana-accent);
    border: none;
    border-radius: var(--hana-radius);
    cursor: pointer;
    transition: var(--hana-transition);
}

.hana-single-artwork__inquiry-btn:hover {
    background: var(--hana-accent-hover);
}

/* ═══════════════════════════════════════════════════════════════════════════
   INQUIRY MODAL
   ═══════════════════════════════════════════════════════════════════════════ */

.hana-inquiry-modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 99999;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    padding: 2rem;
    overflow-y: auto;
}

.hana-inquiry-modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.hana-inquiry-modal__content {
    width: 100%;
    max-width: 480px;
    background: var(--hana-bg);
    border-radius: var(--hana-radius);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
    animation: hana-modal-in 0.3s ease;
}

@keyframes hana-modal-in {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(10px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.hana-inquiry-modal__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--hana-border);
}

.hana-inquiry-modal__title {
    margin: 0;
    font-family: var(--hana-font);
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--hana-text);
}

.hana-inquiry-modal__close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: none;
    font-size: 1.5rem;
    color: var(--hana-text-muted);
    cursor: pointer;
    border-radius: 50%;
    transition: var(--hana-transition);
}

.hana-inquiry-modal__close:hover {
    background: var(--hana-bg-alt);
    color: var(--hana-text);
}

.hana-inquiry-modal__body {
    padding: 1.5rem;
}

.hana-inquiry-form__field {
    margin-bottom: 1rem;
}

.hana-inquiry-form__label {
    display: block;
    margin-bottom: 0.375rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--hana-text);
}

.hana-inquiry-form__label .required {
    color: #ef4444;
}

.hana-inquiry-form__input,
.hana-inquiry-form__textarea {
    width: 100%;
    padding: 0.75rem;
    font-family: var(--hana-font-sans);
    font-size: 0.95rem;
    color: var(--hana-text);
    background: var(--hana-bg);
    border: 1px solid var(--hana-border);
    border-radius: var(--hana-radius);
    transition: var(--hana-transition);
}

.hana-inquiry-form__input:focus,
.hana-inquiry-form__textarea:focus {
    outline: none;
    border-color: var(--hana-accent);
}

.hana-inquiry-form__textarea {
    resize: vertical;
    min-height: 100px;
}

.hana-inquiry-form__submit {
    width: 100%;
    padding: 1rem;
    margin-top: 0.5rem;
    font-family: var(--hana-font-sans);
    font-size: 1rem;
    font-weight: 500;
    color: #fff;
    background: var(--hana-accent);
    border: none;
    border-radius: var(--hana-radius);
    cursor: pointer;
    transition: var(--hana-transition);
}

.hana-inquiry-form__submit:hover {
    background: var(--hana-accent-hover);
}

.hana-inquiry-form__submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* ═══════════════════════════════════════════════════════════════════════════
   LOADING & EMPTY STATES
   ═══════════════════════════════════════════════════════════════════════════ */

.hana-gallery__loading {
    text-align: center;
    padding: 3rem;
    color: var(--hana-text-muted);
}

.hana-gallery__empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 4rem 2rem;
    color: var(--hana-text-muted);
}

.hana-artists__empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 4rem 2rem;
    color: var(--hana-text-muted);
}

/* ═══════════════════════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════════════════════ */

.hana-gallery__footer {
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--hana-border);
    text-align: center;
    font-size: 0.8rem;
    color: var(--hana-text-muted);
}

.hana-gallery__footer a {
    color: var(--hana-accent);
    text-decoration: none;
}

.hana-gallery__footer a:hover {
    text-decoration: underline;
}

/* ═══════════════════════════════════════════════════════════════════════════
   LIGHTBOX
   ═══════════════════════════════════════════════════════════════════════════ */

.hana-lightbox {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 999999;
    background: rgba(0, 0, 0, 0.95);
    cursor: zoom-out;
    padding: 2rem;
}

.hana-lightbox.active {
    display: flex;
    align-items: center;
    justify-content: center;
    animation: hana-lightbox-in 0.3s ease;
}

@keyframes hana-lightbox-in {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.hana-lightbox__image {
    max-width: 90vw;
    max-height: 90vh;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: var(--hana-radius, 2px);
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.5);
    animation: hana-lightbox-img-in 0.3s ease;
}

@keyframes hana-lightbox-img-in {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.hana-lightbox__close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50%;
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--hana-transition);
}

.hana-lightbox__close:hover {
    background: rgba(255, 255, 255, 0.2);
}