/* =====================
   Base Styles
   ===================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --pink: #ffb6c1;
    --pink-light: #fff0f5;
    --pink-dark: #ff69b4;
    --pink-soft: #ffc0cb;
    --mint: #98d8c8;
    --mint-light: #e8f8f5;
    --yellow: #fff9c4;
    --yellow-soft: #ffffd2;
    --purple: #dda0dd;
    --purple-light: #f0d0f0;
    --white: #ffffff;
    --gray-light: #f8f8f8;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    background: linear-gradient(135deg, var(--pink-light) 0%, var(--white) 30%, var(--mint-light) 70%, var(--pink-light) 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

/* =====================
   Floating Decorations
   ===================== */
.floating-deco {
    position: fixed;
    font-size: 2rem;
    opacity: 0.5;
    z-index: 0;
    pointer-events: none;
    animation: float 6s ease-in-out infinite;
}

.deco-1 { top: 8%; left: 3%; animation-delay: 0s; font-size: 2.5rem; }
.deco-2 { top: 15%; right: 5%; animation-delay: 1s; }
.deco-3 { top: 45%; left: 2%; animation-delay: 2s; font-size: 1.5rem; }
.deco-4 { top: 65%; right: 4%; animation-delay: 3s; }
.deco-5 { top: 30%; right: 8%; animation-delay: 4s; font-size: 1.8rem; }
.deco-6 { top: 80%; left: 5%; animation-delay: 5s; }
.deco-7 { top: 75%; right: 6%; animation-delay: 2.5s; font-size: 2.2rem; }
.deco-8 { top: 50%; left: 6%; animation-delay: 1.5s; font-size: 1.6rem; }

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    25% { transform: translateY(-15px) rotate(5deg); }
    50% { transform: translateY(-25px) rotate(-3deg); }
    75% { transform: translateY(-15px) rotate(3deg); }
}

/* =====================
   Header
   ===================== */
.header {
    position: relative;
    text-align: center;
    padding: 3rem 2rem;
    background: linear-gradient(180deg, rgba(255, 182, 193, 0.4) 0%, transparent 100%);
}

.header-content {
    position: relative;
    z-index: 1;
}

.title {
    font-family: 'ZCOOL KuaiLe', cursive;
    font-size: 3.5rem;
    color: var(--pink-dark);
    text-shadow: 3px 3px 0 var(--white), 5px 5px 0 rgba(255, 105, 180, 0.2);
    margin-bottom: 0.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.title-icon {
    display: inline-block;
    animation: bounce 1s ease infinite;
}

.title-icon:last-child {
    animation-delay: 0.5s;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.title-text {
    background: linear-gradient(135deg, var(--pink-dark), var(--purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    font-size: 1.2rem;
    color: var(--purple);
    font-weight: 500;
    letter-spacing: 2px;
}

/* =====================
   Category Navigation
   ===================== */
.category-nav {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.8rem;
    padding: 1.5rem 1rem;
    max-width: 800px;
    margin: 0 auto;
}

.category-btn {
    background: var(--white);
    border: 2px solid var(--pink);
    border-radius: 50px;
    padding: 0.6rem 1.5rem;
    font-size: 0.95rem;
    color: var(--pink-dark);
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
    box-shadow: 0 3px 10px rgba(255, 105, 180, 0.15);
}

.category-btn:hover {
    background: var(--pink-light);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 105, 180, 0.25);
}

.category-btn.active {
    background: var(--pink);
    color: var(--white);
    border-color: var(--pink);
}

/* =====================
   Gallery
   ===================== */
.gallery {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem 3rem;
}

.photo-count {
    text-align: center;
    color: var(--purple);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    opacity: 0.8;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.gallery-grid.hidden {
    display: none;
}

.photo-card {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    background: var(--white);
    box-shadow: 0 8px 25px rgba(255, 105, 180, 0.15);
    cursor: pointer;
    transition: all 0.4s ease;
    opacity: 0;
    animation: fadeInUp 0.5s ease forwards;
}

.photo-card:hover {
    transform: translateY(-8px) scale(1.03);
    box-shadow: 0 15px 40px rgba(255, 105, 180, 0.3);
}

.photo-card.hidden {
    display: none;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.photo-wrapper {
    position: relative;
    padding-bottom: 100%;
    overflow: hidden;
}

.photo-wrapper img {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.photo-card:hover .photo-wrapper img {
    transform: scale(1.1);
}

.photo-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(255, 105, 180, 0.85) 0%, rgba(255, 182, 193, 0.4) 50%, transparent 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 1rem;
}

.photo-card:hover .photo-overlay {
    opacity: 1;
}

.photo-emoji {
    font-size: 2.5rem;
    filter: drop-shadow(0 2px 8px rgba(0,0,0,0.3));
    animation: wiggle 2s ease-in-out infinite;
}

@keyframes wiggle {
    0%, 100% { transform: rotate(-5deg); }
    50% { transform: rotate(5deg); }
}

/* =====================
   Footer
   ===================== */
.footer {
    text-align: center;
    padding: 3rem 2rem;
    background: linear-gradient(180deg, transparent, rgba(255, 182, 193, 0.3));
    color: var(--pink-dark);
}

.footer p {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.footer-note {
    font-size: 0.85rem !important;
    opacity: 0.7;
}

/* =====================
   Lightbox
   ===================== */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.lightbox.active {
    display: flex;
    opacity: 1;
}

.lightbox-img {
    max-width: 92%;
    max-height: 88vh;
    border-radius: 20px;
    box-shadow: 0 0 80px rgba(255, 105, 180, 0.5), 0 20px 60px rgba(0,0,0,0.5);
    object-fit: contain;
    transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94), opacity 0.3s ease;
}

.lightbox-img.sliding {
    opacity: 0.8;
    transform: scale(0.95);
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 2rem;
    color: white;
    background: rgba(255, 105, 180, 0.5);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0.8;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-close:hover {
    opacity: 1;
    background: var(--pink-dark);
    transform: rotate(90deg);
}

.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    color: white;
    background: rgba(255, 105, 180, 0.5);
    border: none;
    padding: 1rem 1.5rem;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s;
}

.lightbox-prev { left: 30px; }
.lightbox-next { right: 30px; }

.lightbox-prev:hover,
.lightbox-next:hover {
    background: var(--pink-dark);
    transform: translateY(-50%) scale(1.1);
}

.lightbox-counter {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: white;
    font-size: 0.95rem;
    background: rgba(255, 105, 180, 0.4);
    padding: 0.6rem 1.2rem;
    border-radius: 25px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
}

/* Swipe hint - hidden on desktop */
.swipe-hint {
    display: none;
}

/* =====================
   Refresh Button
   ===================== */
.refresh-btn {
    position: fixed;
    bottom: 30px;
    right: 20px;
    width: 55px;
    height: 55px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--pink-dark), #ff1493);
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 5px 20px rgba(255, 105, 180, 0.4);
    z-index: 999;
    transition: transform 0.3s, box-shadow 0.3s;
    animation: pulse 2s infinite;
}

.refresh-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 30px rgba(255, 105, 180, 0.6);
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 5px 20px rgba(255, 105, 180, 0.4); }
    50% { box-shadow: 0 5px 30px rgba(255, 105, 180, 0.7); }
}

/* =====================
   Responsive
   ===================== */
@media (max-width: 768px) {
    .title {
        font-size: 2.5rem;
        gap: 0.3rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    .header {
        padding: 2rem 1rem;
    }
    
    .category-nav {
        gap: 0.5rem;
        padding: 1rem;
    }
    
    .category-btn {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.8rem;
    }
    
    .gallery {
        padding: 1rem;
    }
    
    .floating-deco {
        font-size: 1.2rem;
        opacity: 0.35;
    }
    
    .lightbox-prev { 
        left: 15px; 
        padding: 1rem 1.2rem;
        font-size: 1.2rem;
    }
    .lightbox-next { 
        right: 15px; 
        padding: 1rem 1.2rem;
        font-size: 1.2rem;
    }
    .lightbox-close {
        top: 15px;
        right: 15px;
        width: 45px;
        height: 45px;
        font-size: 1.5rem;
    }
    .lightbox-img {
        max-width: 95%;
        max-height: 80vh;
        border-radius: 15px;
    }
    .lightbox-counter {
        bottom: 20px;
        font-size: 0.85rem;
        padding: 0.5rem 1rem;
    }
    
    .swipe-hint {
        position: absolute;
        bottom: 70px;
        left: 50%;
        transform: translateX(-50%);
        color: rgba(255,255,255,0.6);
        font-size: 0.75rem;
        animation: swipeHint 2s ease-in-out infinite;
    }
    
    @keyframes swipeHint {
        0%, 100% { opacity: 0.4; transform: translateX(-50%) translateX(-10px); }
        50% { opacity: 0.8; transform: translateX(-50%) translateX(10px); }
    }
}

@media (max-width: 480px) {
    .title {
        font-size: 2rem;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.6rem;
    }
    
    .photo-overlay {
        display: none;
    }
}

/* =====================
   Gallery Pagination
   ===================== */
.gallery-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 30px;
    padding: 20px 0;
    flex-wrap: wrap;
}

.page-btn {
    padding: 8px 16px;
    border: 2px solid var(--pink-soft);
    background: white;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--pink-dark);
    transition: all 0.2s;
}

.page-btn:hover:not(:disabled) {
    background: var(--pink-light);
    border-color: var(--pink-dark);
}

.page-btn.active {
    background: linear-gradient(135deg, var(--pink-dark), #ff1493);
    color: white;
    border-color: transparent;
}

.page-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.page-ellipsis {
    padding: 0 5px;
    color: #999;
}

/* Mobile pagination */
@media (max-width: 768px) {
    .gallery-pagination {
        gap: 6px;
    }
    
    .page-btn {
        padding: 6px 12px;
        font-size: 0.85rem;
    }
}