@charset "utf-8";

/* CSS Variables for consistent theming */
:root {
    --primary-blue: #1e5a8b;
    --secondary-blue: #3b82c4;
    --accent-blue: #60a5fa;
    --gradient-blue: linear-gradient(135deg, #dbf6ff 0%, #96daff 100%);
    --neutral-50: #f8fafc;
    --neutral-100: #f1f5f9;
    --neutral-200: #e2e8f0;
    --neutral-300: #cbd5e1;
    --neutral-500: #64748b;
    --neutral-700: #334155;
    --neutral-800: #1e293b;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

/* Base styles */
p {
    padding: 0;
    margin: 0;
}

#wrapper {
    width: 100%;
    background-color: var(--neutral-50);
    min-height: 100vh;
}

#wrapper .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

/* Section Title */
.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
}

/* No Data State */
.no-data {
    text-align: center;
    padding: 40px 20px;
    color: var(--neutral-500);
    font-size: 1.1rem;
    background-color: var(--neutral-100);
    border-radius: 8px;
    margin: 20px 0;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--gradient-blue);
    border-radius: 2px;
}

/* Theme Section */
.theme-section {
    margin-bottom: 5rem;
    background: white;
    border-radius: 16px;
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--neutral-200);
}

.theme-content {
    max-width: 100%;
}

.theme-subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--neutral-700);
    margin-bottom: 2rem;
    text-align: center;
    padding: 1rem 2rem;
    background: var(--gradient-blue);
    border-radius: 12px;
    display: inline-block;
    width: 100%;
    box-sizing: border-box;
}

/* Theme Selector */
.theme-selector {
    margin-bottom: 2rem;
    text-align: center;
}

#theme {
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 500;
    border: 2px solid var(--neutral-300);
    border-radius: 12px;
    background: white;
    color: var(--neutral-700);
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 200px;
}

#theme:hover {
    border-color: var(--secondary-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 196, 0.1);
}

#theme:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(30, 90, 139, 0.1);
}

/* Theme Grid Container */
.theme-grid-container {
    margin-bottom: 2rem;
    overflow-x: auto;
    padding: 1rem 0;
}

.theme-grid {
    display: flex;
    gap: 2rem;
    padding: 0.5rem;
    min-width: min-content;
    transition: all 0.3s ease;
    opacity: 1;
    transform: scale(1);
}

/* 그리드 모드 (더보기 버튼 클릭 후) */
.theme-grid.grid-mode {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    padding: 1rem;
    width: 100%;
    overflow: visible;
}

/* Theme Item Cards */
.theme-grid .item {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 1px solid var(--neutral-200);
    position: relative;
    flex: 0 0 280px;
    width: 280px;
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
    transform: translateY(20px);
}

/* 그리드 모드에서의 아이템 스타일 */
.theme-grid.grid-mode .item {
    width: 100%;
    max-width: 350px;
    margin: 0 auto;
    flex: none;
}

/* 그리드 아이템 등장 애니메이션 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 아이템별 지연 애니메이션 */
.theme-grid .item:nth-child(1) {
    animation-delay: 0.1s;
}
.theme-grid .item:nth-child(2) {
    animation-delay: 0.2s;
}
.theme-grid .item:nth-child(3) {
    animation-delay: 0.3s;
}
.theme-grid .item:nth-child(4) {
    animation-delay: 0.4s;
}
.theme-grid .item:nth-child(5) {
    animation-delay: 0.5s;
}
.theme-grid .item:nth-child(6) {
    animation-delay: 0.6s;
}
.theme-grid .item:nth-child(7) {
    animation-delay: 0.7s;
}
.theme-grid .item:nth-child(8) {
    animation-delay: 0.8s;
}
.theme-grid .item:nth-child(9) {
    animation-delay: 0.9s;
}
.theme-grid .item:nth-child(10) {
    animation-delay: 1s;
}

.theme-grid .item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-blue);
}

.theme-grid .item-photo {
    position: relative;
    overflow: hidden;
    height: 200px;
}

.theme-grid .item-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.theme-grid .item:hover .item-photo img {
    transform: scale(1.05);
}

.theme-grid .item-info {
    padding: 1.5rem;
}

.theme-grid .item-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--neutral-800);
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.theme-grid .item-description {
    font-size: 0.9rem;
    color: var(--neutral-500);
    margin-bottom: 1rem;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.theme-grid .hash-tag {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.theme-grid .hash-tag .hash-tag-item {
    font-size: 0.8rem;
    color: var(--secondary-blue);
    font-weight: 500;
    background: rgba(59, 130, 196, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    display: inline-block;
    white-space: nowrap;
}

/* Like Button */
.theme-grid .item-photo .like {
    position: absolute;
    top: 12px;
    right: 12px;
}

.theme-grid .likeBtn {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.theme-grid .likeBtn:hover {
    background: white;
    transform: scale(1.1);
}

.theme-grid .likeBtn::before {
    content: '';
    width: 20px;
    height: 20px;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="%23475569" stroke-width="2"><path d="M20.84 4.61a5.5 5.5 0 0 0-7.78 0L12 5.67l-1.06-1.06a5.5 5.5 0 0 0-7.78 7.78l1.06 1.06L12 21.23l7.78-7.78 1.06-1.06a5.5 5.5 0 0 0 0-7.78z"></path></svg>');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

.theme-grid .likeBtn.liked::before {
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="%23e74c3c" stroke="%23e74c3c" stroke-width="2"><path d="M20.84 4.61a5.5 5.5 0 0 0-7.78 0L12 5.67l-1.06-1.06a5.5 5.5 0 0 0-7.78 7.78l1.06 1.06L12 21.23l7.78-7.78 1.06-1.06a5.5 5.5 0 0 0 0-7.78z"></path></svg>');
}

/* Scrollbar Styling */
.theme-grid-container::-webkit-scrollbar {
    height: 8px;
}

.theme-grid-container::-webkit-scrollbar-track {
    background: var(--neutral-100);
    border-radius: 4px;
}

.theme-grid-container::-webkit-scrollbar-thumb {
    background: var(--neutral-300);
    border-radius: 4px;
}

.theme-grid-container::-webkit-scrollbar-thumb:hover {
    background: var(--neutral-500);
}

/* Theme Actions */
.theme-actions {
    text-align: center;
    padding-top: 1rem;
}

.more-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    background: var(--gradient-blue);
    color: var(--primary-blue);
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
}

.more-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, #c8f0ff 0%, #85d1ff 100%);
}

.more-btn:active {
    transform: translateY(0);
}

.more-btn:disabled {
    background: var(--neutral-200);
    color: var(--neutral-500);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.more-btn svg {
    transition: transform 0.3s ease;
}

.more-btn:hover svg {
    transform: translateY(2px);
}

/* Responsive Design */
@media (max-width: 1200px) {
    .theme-grid.grid-mode {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 1.25rem;
    }
}

@media (max-width: 1024px) {
    .theme-grid .item {
        flex: 0 0 250px;
        width: 250px;
    }

    .theme-grid.grid-mode .item {
        width: 100%;
        max-width: 300px;
    }

    .theme-grid.grid-mode {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 1rem;
    }

    #wrapper .container {
        padding: 30px 15px;
    }

    .theme-section {
        padding: 2rem;
        margin-bottom: 3rem;
    }
}

@media (max-width: 768px) {
    .theme-grid .item {
        flex: 0 0 220px;
        width: 220px;
    }

    .theme-grid.grid-mode .item {
        width: 100%;
        max-width: 280px;
    }

    .theme-grid.grid-mode {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
        gap: 1rem;
        padding: 0.5rem;
    }

    .section-title {
        font-size: 1.75rem;
        margin-bottom: 1.5rem;
    }

    .theme-subtitle {
        font-size: 1.25rem;
        padding: 0.75rem 1.5rem;
    }

    .theme-section {
        padding: 1.5rem;
        margin-bottom: 2rem;
    }

    .theme-grid .item-info {
        padding: 1rem;
    }

    .theme-grid-container {
        padding: 0.5rem 0;
    }
}

@media (max-width: 480px) {
    .theme-grid .item {
        flex: 0 0 200px;
        width: 200px;
    }

    .theme-grid.grid-mode .item {
        width: 100%;
        max-width: 250px;
    }

    .theme-grid.grid-mode {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding: 0.25rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .theme-section {
        padding: 1rem;
        border-radius: 12px;
    }

    .more-btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
    }

    .theme-grid {
        gap: 1rem;
    }
}