/* ==========================================================================
   TriAthy Gallery — Styles
   ========================================================================== */

/* ---------- CSS Variables ---------- */
:root {
    --ta-bg: #0a0a0a;
    --ta-surface: #141414;
    --ta-surface-hover: #1c1c1c;
    --ta-border: rgba(255,255,255,0.06);
    --ta-text: #ffffff;
    --ta-text-muted: rgba(255,255,255,0.5);
    --ta-text-dim: rgba(255,255,255,0.3);
    --ta-accent: #00B4D8;
    --ta-accent-dark: #0077B6;
    --ta-accent-glow: rgba(0,180,216,0.15);
    --ta-radius: 12px;
    --ta-radius-lg: 16px;
    --ta-font: 'industry', -apple-system, BlinkMacSystemFont, sans-serif;
    --ta-font-display: 'industry', var(--ta-font);
    --ta-transition: 0.25s cubic-bezier(0.23,1,0.32,1);
}

/* ---------- Reset for gallery container ---------- */
.triathy-gallery {
    font-family: var(--ta-font);
    color: var(--ta-text);
    background: var(--ta-bg);
    -webkit-font-smoothing: antialiased;
    line-height: 1.5;
}

.triathy-gallery *,
.triathy-gallery *::before,
.triathy-gallery *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* ---------- Hero ---------- */
.ta-hero {
    text-align: center;
    padding: 56px 20px 40px;
}

.ta-hero__title {
    font-family: var(--ta-font-display);
    font-size: clamp(28px, 5vw, 52px);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: var(--ta-text);
}

.ta-hero__title-accent {
    background: linear-gradient(135deg, var(--ta-accent), var(--ta-accent-dark), #023E8A);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.ta-hero__subtitle {
    color: var(--ta-text-muted);
    font-size: 16px;
    margin-top: 16px;
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
}

.ta-hero__stats {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-top: 28px;
}

.ta-hero__stat {
    text-align: center;
}

.ta-hero__stat-num {
    font-family: var(--ta-font-display);
    font-size: 28px;
    font-weight: 700;
    color: var(--ta-accent);
}

.ta-hero__stat-label {
    font-size: 12px;
    color: var(--ta-text-dim);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-top: 2px;
}

/* ---------- Album Grid ---------- */
.ta-albums {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    padding: 0 20px 60px;
    max-width: 1280px;
    margin: 0 auto;
}

.ta-album-card {
    border-radius: var(--ta-radius-lg);
    overflow: hidden;
    cursor: pointer;
    background: var(--ta-surface);
    position: relative;
    transition: transform var(--ta-transition), box-shadow var(--ta-transition);
    opacity: 0;
    animation: ta-fadeUp 0.4s ease forwards;
}

.ta-album-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

@keyframes ta-fadeUp {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

.ta-album-card__cover {
    aspect-ratio: 16 / 10;
    position: relative;
    overflow: hidden;
}

.ta-album-card__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.23,1,0.32,1);
}

.ta-album-card:hover .ta-album-card__img {
    transform: scale(1.06);
}

.ta-album-card__gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.1) 50%, transparent 100%);
    pointer-events: none;
}

.ta-album-card__badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(0,0,0,0.55);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-radius: 20px;
    padding: 4px 12px;
    color: rgba(255,255,255,0.85);
    font-size: 12px;
    font-weight: 500;
}

.ta-album-card__info {
    position: absolute;
    bottom: 16px;
    left: 16px;
    right: 16px;
}

.ta-album-card__year {
    font-family: var(--ta-font-display);
    font-size: 22px;
    font-weight: 700;
    color: #fff;
    letter-spacing: -0.01em;
}

.ta-album-card__date {
    color: rgba(255,255,255,0.5);
    font-size: 13px;
    margin-top: 2px;
}

.ta-album-card__edition {
    font-size: 11px;
    color: var(--ta-accent);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-top: 4px;
}

/* ---------- Gallery Header ---------- */
.ta-gallery-header {
    padding: 28px 20px 20px;
    max-width: 1280px;
    margin: 0 auto;
}

.ta-back-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: none;
    border: none;
    color: var(--ta-text-muted);
    font-family: var(--ta-font);
    font-size: 14px;
    cursor: pointer;
    padding: 6px 0;
    margin-bottom: 12px;
    transition: color 0.2s;
}

.ta-back-btn:hover {
    color: var(--ta-text);
}

.ta-back-btn svg {
    width: 18px;
    height: 18px;
}

.ta-gallery-header__title {
    font-family: var(--ta-font-display);
    font-size: clamp(22px, 4vw, 36px);
    font-weight: 800;
    color: var(--ta-text);
    letter-spacing: -0.02em;
}

.ta-gallery-header__meta {
    color: var(--ta-text-dim);
    font-size: 14px;
    margin-top: 4px;
}

/* ---------- Filter / Controls Bar ---------- */
.ta-controls {
    position: sticky;
    top: 0;
    z-index: 90;
    background: rgba(10,10,10,0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid var(--ta-border);
    border-bottom: 1px solid var(--ta-border);
    padding: 12px 20px;
    max-width: 1280px;
    margin: 0 auto;
}

.ta-controls__inner {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
}

.ta-segments {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    flex: 1;
}

.ta-segment-btn {
    padding: 6px 14px;
    border-radius: 20px;
    border: none;
    cursor: pointer;
    font-family: var(--ta-font);
    font-size: 13px;
    font-weight: 500;
    background: rgba(255,255,255,0.06);
    color: var(--ta-text-muted);
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 5px;
}

.ta-segment-btn:hover {
    background: rgba(255,255,255,0.1);
}

.ta-segment-btn--active {
    background: var(--ta-accent-glow);
    color: var(--ta-accent);
    outline: 1px solid rgba(0,180,216,0.3);
}

.ta-search {
    position: relative;
}

.ta-search__icon {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--ta-text-dim);
    pointer-events: none;
}

.ta-search__input {
    width: 150px;
    padding: 7px 12px 7px 32px;
    border-radius: 20px;
    border: 1px solid rgba(255,255,255,0.1);
    background: rgba(255,255,255,0.04);
    color: var(--ta-text);
    font-family: var(--ta-font);
    font-size: 13px;
    outline: none;
    transition: border-color 0.2s, width 0.3s;
}

.ta-search__input:focus {
    border-color: rgba(0,180,216,0.4);
    width: 180px;
}

.ta-search__input::placeholder {
    color: var(--ta-text-dim);
}

.ta-view-toggle {
    display: flex;
    gap: 4px;
    background: rgba(255,255,255,0.04);
    border-radius: 8px;
    padding: 3px;
}

.ta-view-btn {
    width: 32px;
    height: 28px;
    border: none;
    background: transparent;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ta-text-dim);
    transition: all 0.15s;
}

.ta-view-btn--active {
    background: rgba(255,255,255,0.1);
    color: var(--ta-text);
}

/* ---------- Photo Grid (Masonry) ---------- */
.ta-photo-grid {
    column-count: 4;
    column-gap: 12px;
    padding: 20px 20px 40px;
    max-width: 1280px;
    margin: 0 auto;
}

.ta-photo-grid--list {
    column-count: 1;
    max-width: 900px;
}

.ta-photo-item {
    break-inside: avoid;
    margin-bottom: 12px;
    border-radius: var(--ta-radius);
    overflow: hidden;
    position: relative;
    cursor: pointer;
    opacity: 0;
    animation: ta-fadeUp 0.35s ease forwards;
}

.ta-photo-item img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s ease;
}

.ta-photo-item:hover img {
    transform: scale(1.03);
}

.ta-photo-item__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, transparent 40%);
    opacity: 0;
    transition: opacity 0.25s;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 14px;
}

.ta-photo-item:hover .ta-photo-item__overlay {
    opacity: 1;
}

.ta-photo-item__title {
    color: #fff;
    font-size: 13px;
    font-weight: 600;
}

.ta-photo-item__actions {
    display: flex;
    gap: 8px;
    margin-top: 8px;
}

.ta-photo-item__action-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(255,255,255,0.15);
    border: none;
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s;
    backdrop-filter: blur(4px);
}

.ta-photo-item__action-btn:hover {
    background: rgba(255,255,255,0.3);
}

/* ---------- List View ---------- */
.ta-photo-grid--list .ta-photo-item {
    display: flex;
    gap: 16px;
    border-radius: var(--ta-radius);
    background: var(--ta-surface);
    padding: 0;
    margin-bottom: 8px;
}

.ta-photo-grid--list .ta-photo-item img {
    width: 200px;
    height: 140px;
    object-fit: cover;
    border-radius: var(--ta-radius) 0 0 var(--ta-radius);
    flex-shrink: 0;
}

.ta-photo-grid--list .ta-photo-item__overlay {
    position: static;
    opacity: 1;
    background: none;
    padding: 16px 16px 16px 0;
    justify-content: center;
}

/* ---------- Load More ---------- */
.ta-load-more {
    text-align: center;
    padding: 20px 20px 60px;
}

.ta-load-more__btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 32px;
    border-radius: 28px;
    border: 1px solid var(--ta-border);
    background: var(--ta-surface);
    color: var(--ta-text);
    font-family: var(--ta-font);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.ta-load-more__btn:hover {
    background: var(--ta-surface-hover);
    border-color: rgba(255,255,255,0.12);
}

.ta-load-more__btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ---------- Lightbox ---------- */
.ta-lightbox {
    position: fixed;
    inset: 0;
    z-index: 99999;
    background: rgba(0,0,0,0.96);
    display: flex;
    flex-direction: column;
    animation: ta-fadeIn 0.2s ease;
}

@keyframes ta-fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.ta-lightbox__top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 20px;
    flex-shrink: 0;
    position: relative;
    z-index: 10;
}

.ta-lightbox__counter {
    color: var(--ta-text-muted);
    font-size: 14px;
}

.ta-lightbox__actions {
    display: flex;
    gap: 8px;
}

.ta-lightbox__btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    border: none;
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s;
}

.ta-lightbox__btn:hover {
    background: rgba(255,255,255,0.16);
}

.ta-lightbox__body {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    min-height: 0;
    padding: 0 60px;
}

.ta-lightbox__img {
    max-width: 90vw;
    max-height: 78vh;
    object-fit: contain;
    border-radius: 4px;
    user-select: none;
}

.ta-lightbox__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    border: none;
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
    z-index: 5;
}

.ta-lightbox__nav:hover {
    background: rgba(255,255,255,0.16);
}

.ta-lightbox__nav--prev { left: 8px; }
.ta-lightbox__nav--next { right: 8px; }

.ta-lightbox__bottom {
    padding: 12px 20px;
    text-align: center;
    flex-shrink: 0;
}

.ta-lightbox__title {
    font-size: 15px;
    font-weight: 600;
    color: var(--ta-text);
}

.ta-lightbox__meta {
    font-size: 12px;
    color: var(--ta-text-dim);
    margin-top: 4px;
}

.ta-lightbox__flickr-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--ta-accent);
    font-size: 12px;
    text-decoration: none;
    margin-top: 6px;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.ta-lightbox__flickr-link:hover {
    opacity: 1;
}

/* ---------- Share Panel ---------- */
.ta-share-panel {
    position: absolute;
    top: 56px;
    right: 20px;
    background: #1a1a1a;
    border-radius: var(--ta-radius);
    padding: 16px;
    display: flex;
    gap: 14px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.5);
    z-index: 20;
    animation: ta-slideDown 0.2s ease;
}

@keyframes ta-slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.ta-share-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    text-decoration: none;
    color: #fff;
    font-size: 11px;
}

.ta-share-btn__icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    transition: transform 0.15s;
}

.ta-share-btn:hover .ta-share-btn__icon {
    transform: scale(1.1);
}

/* ---------- Loading / Empty States ---------- */
.ta-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 80px 20px;
    color: var(--ta-text-dim);
    gap: 16px;
}

.ta-spinner {
    width: 36px;
    height: 36px;
    border: 3px solid rgba(255,255,255,0.1);
    border-top-color: var(--ta-accent);
    border-radius: 50%;
    animation: ta-spin 0.8s linear infinite;
}

@keyframes ta-spin {
    to { transform: rotate(360deg); }
}

.ta-empty {
    text-align: center;
    padding: 80px 20px;
    color: var(--ta-text-dim);
}

.ta-empty__icon { font-size: 48px; margin-bottom: 16px; }
.ta-empty__title { font-size: 16px; font-weight: 500; }
.ta-empty__desc { font-size: 14px; margin-top: 8px; }

/* ---------- Error State ---------- */
.ta-error {
    text-align: center;
    padding: 40px 20px;
    background: rgba(220,38,38,0.08);
    border: 1px solid rgba(220,38,38,0.2);
    border-radius: var(--ta-radius);
    margin: 20px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.ta-error__title {
    color: #ef4444;
    font-weight: 600;
    font-size: 16px;
}

.ta-error__desc {
    color: var(--ta-text-muted);
    font-size: 14px;
    margin-top: 8px;
}

/* ---------- Footer ---------- */
.ta-footer {
    text-align: center;
    padding: 20px;
    border-top: 1px solid var(--ta-border);
    color: var(--ta-text-dim);
    font-size: 12px;
}

.ta-footer a {
    color: var(--ta-accent);
    text-decoration: none;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.ta-footer a:hover { opacity: 1; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .ta-photo-grid { column-count: 3; }
    .ta-albums { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
}

@media (max-width: 768px) {
    .ta-photo-grid { column-count: 2; column-gap: 8px; padding: 12px 12px 40px; }
    .ta-photo-item { margin-bottom: 8px; }
    .ta-albums { gap: 12px; padding: 0 12px 40px; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
    .ta-hero { padding: 40px 16px 28px; }
    .ta-hero__stats { gap: 20px; }
    .ta-controls { padding: 10px 12px; }
    .ta-segments { gap: 4px; }
    .ta-segment-btn { padding: 5px 10px; font-size: 12px; }
    .ta-gallery-header { padding: 20px 12px 12px; }
    .ta-lightbox__body { padding: 0 12px; }
    .ta-lightbox__nav { display: none; }
    .ta-photo-grid--list .ta-photo-item img { width: 120px; height: 90px; }

    .ta-photo-item__overlay {
        opacity: 1;
        background: linear-gradient(to top, rgba(0,0,0,0.5) 0%, transparent 50%);
    }
}

@media (max-width: 480px) {
    .ta-photo-grid { column-count: 2; column-gap: 6px; padding: 8px 8px 32px; }
    .ta-photo-item { margin-bottom: 6px; border-radius: 8px; }
    .ta-albums { grid-template-columns: 1fr 1fr; gap: 8px; padding: 0 8px 32px; }
    .ta-album-card { border-radius: 12px; }
    .ta-album-card__year { font-size: 18px; }
    .ta-search__input { width: 110px; font-size: 12px; }
    .ta-search__input:focus { width: 130px; }
}