@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.min.css');

:root {
    --bg-color: #fcfbf9; /* 밝고 따뜻한 베이지 */
    --text-color: #3d3c3a; /* 차분한 그레이 */
    --text-muted: #84827d; /* 중간 베이지 그레이 */
    --link-color: #636159; 
    --link-hover: #1a1a1a;
    --header-bg: #f3f1eb; /* 헤더용 부드러운 베이지 */
    --border-color: #e6e4de; /* 연한 경계선 */
    --card-bg: #ffffff;
    --card-shadow: rgba(0, 0, 0, 0.03);
}

[data-theme="dark"] {
    --bg-color: #2b2a29; /* 따뜻한 다크 그레이 */
    --text-color: #e8e6e1; /* 밝은 베이지 톤 텍스트 */
    --text-muted: #9e9c97;
    --link-color: #d6d3c4;
    --link-hover: #ffffff;
    --header-bg: #242322;
    --border-color: #3f3e3a;
    --card-bg: #333230;
    --card-shadow: rgba(0, 0, 0, 0.2);
}

* {
    box-sizing: border-box;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.7;
    margin: 0;
    padding: 0;
    transition: background-color 0.4s ease, color 0.4s ease;
}

/* Header Styling */
header {
    background-color: var(--header-bg);
    padding: 1.2rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(8px);
    background-color: color-mix(in srgb, var(--header-bg) 85%, transparent);
}

header h1 {
    margin: 0;
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

header a {
    color: var(--text-color);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

.header-controls {
    display: flex;
    gap: 1rem;
    align-items: center;
}

#search-input {
    padding: 0.6rem 1.2rem;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    background-color: var(--card-bg);
    color: var(--text-color);
    font-family: inherit;
    font-size: 0.9rem;
    outline: none;
    transition: all 0.3s ease;
}

#search-input:focus {
    border-color: var(--text-muted);
    box-shadow: 0 0 0 3px rgba(0,0,0,0.03);
}

#theme-toggle {
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: all 0.2s ease;
}

#theme-toggle:hover {
    background-color: var(--border-color);
    transform: rotate(15deg) scale(1.1);
}

/* Main Layout */
main {
    max-width: 760px;
    margin: 3rem auto;
    padding: 0 1.5rem;
    min-height: calc(100vh - 200px);
}

/* Post Card Layout (index.html) */
ul#post-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.post-card {
    display: flex;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px var(--card-shadow);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    cursor: pointer;
}

.post-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px var(--card-shadow);
    border-color: var(--text-muted);
}

.post-card-image {
    width: 35%;
    min-width: 200px;
    background-color: var(--header-bg);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.post-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.post-card:hover .post-card-image img {
    transform: scale(1.05);
}

.post-card-content {
    padding: 2rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.post-meta {
    display: flex;
    gap: 0.8rem;
    margin-bottom: 0.8rem;
    font-size: 0.85rem;
    font-weight: 500;
}

.post-category {
    color: #b08d57; /* Gold/Beige accent */
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.post-date {
    color: var(--text-muted);
}

.post-title {
    margin: 0 0 1rem 0;
    font-size: 1.6rem;
    line-height: 1.3;
}

.post-title a {
    color: var(--text-color);
    text-decoration: none;
    transition: color 0.2s ease;
}

.post-title a:hover {
    color: var(--link-hover);
}

.post-summary {
    color: var(--text-muted);
    font-size: 1rem;
    margin-bottom: 1.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    font-size: 0.8rem;
    color: var(--text-muted);
    background-color: var(--header-bg);
    padding: 0.2rem 0.6rem;
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

/* Post Content (post.html) */
article#post-content {
    background-color: var(--card-bg);
    padding: 3rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 12px var(--card-shadow);
}

article#post-content h1 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    margin-top: 0;
    color: var(--text-color);
    letter-spacing: -0.03em;
}

article#post-content h2 {
    margin-top: 2.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
    font-weight: 600;
}

article#post-content p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-color);
}

article#post-content a {
    color: var(--link-color);
    text-decoration: none;
    border-bottom: 1px solid var(--text-muted);
    transition: all 0.2s ease;
}

article#post-content a:hover {
    color: var(--link-hover);
    border-bottom-color: var(--link-hover);
}

article#post-content pre {
    border-radius: 8px;
    background-color: #f5f4f1 !important;
    border: 1px solid var(--border-color);
}

[data-theme="dark"] article#post-content pre {
    background-color: #242322 !important;
}

article#post-content img {
    max-width: 100% !important;
    height: auto !important;
    border-radius: 12px;
    margin: 2rem auto;
    display: block;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

/* Footer */
footer {
    text-align: center;
    padding: 2.5rem 1rem;
    font-size: 0.9rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border-color);
    background-color: var(--header-bg);
    margin-top: 4rem;
}

/* Responsive */
@media (max-width: 600px) {
    header {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }
    
    article#post-content {
        padding: 1.5rem;
    }
    
    ul#post-list li {
        padding: 1.5rem;
    }
}