:root {
            --bg-color: #ffffff;
            --text-main: #111111;
            --text-sub: #555555;
            --card-bg: #f9f9f9;
            --card-border: #e0e0e0;
            --title-color: #000000;
            --status-accent: #0070f3; /* Light mode: Blue */
            --quote-bg: rgba(0, 112, 243, 0.05);
            --quote-border: #0070f3;
        }
        @media (prefers-color-scheme: dark) {
            :root {
                --bg-color: #0a0a0a;
                --text-main: #ededed;
                --text-sub: #a0a0a0;
                --card-bg: #121212;
                --card-border: #2c2c2c;
                --title-color: #ffffff;
                --status-accent: #00ffa3; /* Dark mode: Mint */
                --quote-bg: rgba(0, 255, 163, 0.05);
                --quote-border: #00ffa3;
            }
        }
        body {
            font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, sans-serif;
            line-height: 1.8;
            color: var(--text-main);
            background-color: var(--bg-color);
            margin: 0;
            padding: 40px 20px;
            word-break: keep-all;
            -webkit-print-color-adjust: exact;
        }
        .container {
            max-width: 800px;
            margin: 0 auto;
        }
        a, a:visited {
            color: var(--status-accent, #0070f3);
            text-decoration: underline;
        }
        .back-button {
            display: inline-block;
            margin-bottom: 24px;
            color: var(--status-accent) !important;
            text-decoration: none;
            font-weight: 600;
            font-size: 1rem;
        }
        .status-badge {
            display: inline-block;
            padding: 6px 16px;
            background-color: var(--status-accent);
            color: #000 !important;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 800;
            margin-bottom: 16px;
            text-transform: uppercase;
        }
        h1 {
            font-size: 2.4rem;
            color: var(--title-color);
            margin-bottom: 0.5rem;
            font-weight: 800;
            letter-spacing: -0.02em;
        }
        .date {
            font-size: 0.95rem;
            color: var(--text-sub);
            margin-bottom: 2rem;
            display: block;
        }
        .intro-quote {
            background-color: var(--quote-bg);
            border-left: 4px solid var(--quote-border);
            padding: 20px;
            border-radius: 0 12px 12px 0;
            margin-bottom: 32px;
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--title-color);
        }
        .summary-box {
            background-color: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: 16px;
            padding: 24px;
            margin-bottom: 40px;
        }
        .summary-box h3 {
            margin-top: 0;
            color: var(--title-color);
            font-size: 1.2rem;
            font-weight: 700;
        }
        .summary-box ul {
            margin: 0;
            padding-left: 20px;
        }
        .summary-box li {
            font-size: 1.05rem;
            margin-bottom: 8px;
            color: var(--text-main);
        }
        .summary-box li::marker {
            color: var(--status-accent);
        }
        h2 {
            font-size: 1.8rem;
            color: var(--title-color);
            margin-top: 3.5rem;
            margin-bottom: 1.5rem;
            font-weight: 700;
            border-bottom: 1px solid var(--card-border);
            padding-bottom: 8px;
        }
        h3 {
            font-size: 1.35rem;
            color: var(--status-accent);
            margin-top: 2rem;
            margin-bottom: 1rem;
            font-weight: 700;
        }
        p {
            font-size: 1.1rem;
            margin-top: 0.8rem;
            margin-bottom: 1.2rem;
            color: var(--text-main);
        }
        blockquote {
            font-style: italic;
            color: var(--text-sub);
            border-left: 3px solid var(--card-border);
            padding-left: 16px;
            margin: 1.5rem 0;
        }
        ul, ol {
            padding-left: 24px;
            margin-bottom: 1.5rem;
        }
        li {
            font-size: 1.1rem;
            margin-bottom: 8px;
            color: var(--text-main);
        }
        hr {
            border: 0;
            height: 1px;
            background: var(--card-border);
            margin: 3rem 0;
        }
        .image-container {
            margin: 24px 0;
            text-align: center;
        }
        .image-container img {
            max-width: 100%;
            border-radius: 12px;
            border: 1px solid var(--card-border);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
        }
        .image-caption {
            font-size: 0.9rem;
            color: var(--text-sub);
            margin-top: 8px;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 1rem;
        }
        th, td {
            border: 1px solid var(--card-border);
            padding: 12px 16px;
            text-align: left;
        }
        th {
            background-color: var(--card-bg);
            font-weight: 700;
            color: var(--title-color);
        }
        td {
            color: var(--text-main);
        }
        code {
            background-color: var(--card-bg);
            padding: 2px 6px;
            border-radius: 4px;
            font-family: monospace;
            font-size: 0.95rem;
            color: #eb5757;
        }
        @media (prefers-color-scheme: dark) {
            code {
                color: #ff7b72;
            }
        }
        .highlight {
            font-weight: 700;
            color: var(--status-accent);
        }
        .footer {
            margin-top: 5rem;
            padding-top: 24px;
            border-top: 1px solid var(--card-border);
            text-align: center;
            font-size: 0.9rem;
            color: var(--text-sub);
        }
        
        /* 이미지 확대 뷰어 (라이트박스) 스타일 */
        .viewer-overlay {
            display: none;
            position: fixed;
            z-index: 10000;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.95);
            backdrop-filter: blur(8px);
            cursor: zoom-out;
            align-items: center;
            justify-content: center;
            flex-direction: column;
        }
        

        .viewer-content {
            margin: auto;
            display: block;
            width: 90vw;
            height: 85vh;
            object-fit: contain;
            border-radius: 8px;
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
            cursor: zoom-out;
            transform: scale(0.95);
            transition: transform 0.2s ease-out;
        }

        .viewer-overlay.active {
            display: flex;
        }
        
        .viewer-overlay.active .viewer-content {
            transform: scale(1);
        }

        .viewer-caption {
            margin-top: 16px;
            color: #ccc;
            font-size: 1.05rem;
            text-align: center;
        }

        .viewer-close {
            position: absolute;
            top: 20px;
            right: 30px;
            color: #f1f1f1;
            font-size: 40px;
            font-weight: bold;
            cursor: pointer;
            z-index: 10001;
            transition: color 0.2s ease;
        }

        .viewer-close:hover {
            color: var(--status-accent, #00ffa3);
        }

        /* 이미지 커서 스타일 */
        .image-container img, .container img {
            cursor: zoom-in;
            transition: transform 0.2s ease;
        }
        .image-container img:hover, .container img:hover {
            transform: scale(1.01);
        }

        /* 후원 링크 스타일 */
        .support-container {
            text-align: center;
            margin-top: 3rem;
            margin-bottom: 1.5rem;
            display: flex;
            justify-content: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .support-button {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: #FF5E5B;
            color: #ffffff !important;
            padding: 10px 20px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 700;
            text-decoration: none !important;
            box-shadow: 0 4px 15px rgba(255, 94, 91, 0.3);
            transition: transform 0.2s ease, box-shadow 0.2s ease;
            cursor: pointer;
        }
        .support-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 94, 91, 0.5);
            color: #ffffff !important;
        }
        .kakaopay-button {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: #FEE500;
            color: #000000 !important;
            padding: 10px 20px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 700;
            text-decoration: none !important;
            box-shadow: 0 4px 15px rgba(254, 229, 0, 0.2);
            transition: transform 0.2s ease, box-shadow 0.2s ease;
            cursor: pointer;
        }
        .kakaopay-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(254, 229, 0, 0.4);
            color: #000000 !important;
        }