:root {
    --bg-color: #fdf6e3;
    --text-color: #5d4037;
    --card-bg: #ffffff;
    --card-shadow: rgba(93, 64, 55, 0.1);
    --accent-color: #ffab91;
    --link-color: #d84315;
    --yarn-color: #ff7043;
    --header-bg: rgba(255, 255, 255, 0.8);
}

[data-theme="dark"] {
    --bg-color: #2c241b;
    --text-color: #efebe9;
    --card-bg: #3e2723;
    --card-shadow: rgba(0, 0, 0, 0.3);
    --accent-color: #ffcc80;
    --link-color: #ffab91;
    --yarn-color: #ffab91;
    --header-bg: rgba(62, 39, 35, 0.8);
}

* {
    box-sizing: border-box;
    transition: background-color 0.3s ease, color 0.3s ease;
}

body {
    font-family: 'Nunito', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 0;
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

header {
    background: var(--header-bg);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 6px var(--card-shadow);
}

.header-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

h1 {
    margin: 0;
    font-weight: 700;
    color: var(--accent-color);
    font-size: 2rem;
}

.logo-icon {
    width: 64px;
    height: 64px;
    vertical-align: middle;
    margin-right: 8px;
    border-radius: 8px;
}

#theme-toggle .icon {
    width: 24px;
    height: 24px;
}

a {
    margin: 0;
    font-weight: 700;
    color: var(--accent-color);
    font-size: 2rem;
}

#theme-toggle {
    background: none;
    border: 2px solid var(--text-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    cursor: pointer;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-color);
    transition: transform 0.2s;
}

#theme-toggle:hover {
    transform: scale(1.1);
}

main {
    max-width: 800px;
    margin: 2rem auto;
    padding: 0 20px;
    flex: 1;
    width: 100%;
}

.categories-nav {
    background: var(--card-bg);
    padding: 1rem 0;
    box-shadow: 0 2px 4px var(--card-shadow);
    margin-bottom: 2rem;
    position: sticky;
    top: 96px;
    z-index: 90;
    border-radius: 0 0 12px 12px;
}

.categories-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    gap: 10px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.category-btn {
    background: var(--bg-color);
    border: 2px solid var(--accent-color);
    color: var(--text-color);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    cursor: pointer;
    font-weight: 700;
    white-space: nowrap;
    transition: background-color 0.2s, color 0.2s, border-color 0.2s;
}

.category-btn:hover {
    background: var(--accent-color);
    color: var(--card-bg);
}

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

.post-category {
    background-color: var(--yarn-color);
    color: white;
    padding: 0.2rem 0.6rem;
    border-radius: 8px;
    font-size: 0.8rem;
    font-style: normal;
    margin-left: 10px;
    display: inline-block;
}

.post-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 10px 20px var(--card-shadow);
    border-left: 5px solid var(--accent-color);
    transition: transform 0.2s, box-shadow 0.2s;
}

.post-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px var(--card-shadow);
}

h3 a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 1.5rem;
}

h3 a:hover {
    color: var(--link-color);
}

.date {
    font-size: 0.9rem;
    opacity: 0.7;
    margin-top: 1rem;
    font-style: italic;
}

footer {
    text-align: center;
    padding: 2rem;
    font-size: 0.9rem;
    opacity: 0.8;
}

.full-post {
    padding: 2rem 0;
}

.post-title {
    font-size: 2.5rem;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.post-meta {
    font-size: 1rem;
    color: var(--link-color);
    opacity: 0.8;
    margin-bottom: 2rem;
    font-style: italic;
}

.post-body {
    font-size: 1.1rem;
    line-height: 1.8;
}

.post-body p {
    margin-bottom: 1.5rem;
}

.post-body h3 {
    margin-top: 2.5rem;
    border-bottom: 2px solid var(--accent-color);
    padding-bottom: 0.3rem;
    color: var(--text-color);
}

.post-body img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 1.5rem auto;
    border-radius: 12px;
    box-shadow: 0 5px 15px var(--card-shadow);
}

.about-section {
    max-width: 800px;
    margin: 2rem auto;
    padding: 0 20px;
}

.about-section h2 {
    font-size: 1.8rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.post-section {
    max-width: 800px;
    margin: 2rem auto;
    padding: 0 20px;
}

.post-section h2 {
    font-size: 1.8rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}
.qa-item {
    margin-bottom: 1rem;
    border-radius: 12px;
    background: var(--card-bg);
    box-shadow: 0 5px 15px var(--card-shadow);
    overflow: hidden;
}

.qa-question {
    width: 100%;
    background: none;
    border: none;
    padding: 1rem 1.2rem;
    font-size: 1.1rem;
    text-align: left;
    cursor: pointer;
    color: var(--text-color);
    font-weight: 700;
    transition: background 0.2s;
}

.qa-question:hover {
    background: rgba(0,0,0,0.05);
}

[data-theme="dark"] .qa-question:hover {
    background: rgba(255,255,255,0.05);
}

.qa-answer {
    max-height: 0;
    overflow: hidden;
    padding: 0 1.2rem;
    transition: max-height 0.3s ease;
}

.qa-item.open .qa-answer {
    padding: 1rem 1.2rem;
    max-height: 200px;
}

.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.2rem;
    padding: 1rem 0;
}

.gallery img {
    width: 100%;
    height: 100%;
    max-height: 400px;
    object-fit: cover;
    border-radius: 16px;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.gallery img:hover {
    transform: scale(1.02);
}

.sorter-btn {
    background: var(--bg-color);
    border: 2px solid var(--accent-color);
    color: var(--text-color);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    cursor: pointer;
    font-weight: 700;
    white-space: nowrap;
    transition: background-color 0.2s, color 0.2s, border-color 0.2s;
}

.sorter-btn:hover {
    background: var(--accent-color);
    color: var(--card-bg);
}

.sorter-btn.active {
    background: var(--link-color);
    border-color: var(--link-color);
    color: white;
}

.gallery img {
    width: 100%;
    border-radius: 16px;
    box-shadow: 0 5px 15px var(--card-shadow);
    object-fit: cover;
    transition: transform 0.2s ease;
}

.gallery img:hover {
    transform: scale(1.03);
}

.back-link {
    display: block;
    text-align: center;
    margin: 1rem 0 2rem;
    font-size: 1.2rem;
    color: var(--link-color);
    text-decoration: none;
}

.loading {
    text-align: center;
    opacity: 0.7;
}

.pagination-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin: 2rem 0;
}

.page-btn {
    background: none;
    border: 2px solid var(--accent-color);
    color: var(--text-color);
    padding: 0.5rem 1.2rem;
    border-radius: 12px;
    cursor: pointer;
    font-family: 'Nunito', sans-serif;
    font-weight: 700;
    transition: all 0.2s;
}

.page-btn:hover {
    background: var(--accent-color);
    color: var(--card-bg);
    transform: translateY(-2px);
}

.page-info {
    font-weight: 700;
    color: var(--link-color);
}

.divider {
    border: 0;
    height: 1px;
    background: var(--accent-color);
    margin: 3rem 0;
    opacity: 0.3;
}

.comments-section {
    max-width: 700px;
    margin: 0 auto 3rem;
}

.comment-form {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 16px;
    box-shadow: 0 4px 10px var(--card-shadow);
    margin-bottom: 2rem;
}

.input-field {
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
    border: 2px solid rgba(0,0,0,0.1);
    border-radius: 8px;
    background: var(--bg-color);
    color: var(--text-color);
    font-family: inherit;
}

.input-field:focus {
    outline: none;
    border-color: var(--accent-color);
}

textarea.input-field {
    min-height: 80px;
    resize: vertical;
}

.submit-btn {
    background: var(--link-color);
    color: white;
    border: none;
    padding: 0.7rem 1.5rem;
    border-radius: 8px;
    font-weight: 700;
    cursor: pointer;
    transition: opacity 0.2s;
}

.submit-btn:hover {
    opacity: 0.9;
}

.submit-btn:disabled {
    background: gray;
    cursor: not-allowed;
}

.comment-item {
    background: var(--card-bg);
    padding: 1rem;
    border-radius: 12px;
    margin-bottom: 1rem;
    border-left: 4px solid var(--accent-color);
    box-shadow: 0 2px 5px var(--card-shadow);
}

.comment-item h4 {
    margin: 0;
    color: var(--link-color);
    display: inline-block;
    margin-right: 10px;
}

.comment-date {
    font-size: 0.8rem;
    opacity: 0.6;
}

.comment-item p {
    margin: 0.5rem 0 0;
    line-height: 1.5;
}

.no-comments {
    text-align: center;
    font-style: italic;
    opacity: 0.7;
}

.post-category-tag {
    background: var(--yarn-color);
    color: #fff;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: bold;
    display: inline-block;
    margin-bottom: 0.5rem;
}

.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.8);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 500;
}

.lightbox img {
    max-width: 90%;
    max-height: 90%;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.lightbox.show {
    display: flex;
    animation: fadeIn 0.2s ease;
}

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