* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    background-color: var(--crema-bg);
    color: var(--crema-text);
    font-family: var(--crema-font);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ── 상단 네비게이션 (고정) ── */
nav {
    background-color: var(--crema-surface);
    border-bottom: var(--crema-border-width) solid var(--crema-border);
    box-shadow: var(--crema-shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-inner {
    display: flex;
    align-items: center;
    padding: 16px 24px;
    gap: 24px;
}

nav h3 {
    font-size: 18px;
    color: var(--crema-primary);
    margin: 0;
    padding: 0;
    border: none;
    white-space: nowrap;
    font-weight: bold;
    order: 1;
}

nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
    align-items: center;
    order: 4;
}

nav li {
    margin: 0;
}

nav a {
    display: inline-block;
    padding: 8px 12px;
    color: var(--crema-text);
    text-decoration: none;
    border-radius: var(--crema-radius-sm);
    font-size: 14px;
    transition: background-color 0.2s, color 0.2s;
    white-space: nowrap;
}

nav a:hover {
    background-color: var(--crema-primary);
    color: var(--crema-text-on-primary);
}

nav a.active {
    background-color: var(--crema-primary);
    color: var(--crema-text-on-primary);
    font-weight: bold;
}

#lang-switcher {
    display: flex;
    gap: 4px;
    margin-left: auto;
    order: 2;
}

.lang-btn {
    padding: 6px 10px;
    border: 1px solid var(--crema-border);
    border-radius: var(--crema-radius-sm);
    background-color: var(--crema-surface);
    color: var(--crema-text);
    cursor: pointer;
    font-size: 12px;
    font-family: var(--crema-font);
    transition: background-color 0.2s, color 0.2s;
    white-space: nowrap;
}

.lang-btn:hover {
    background-color: var(--crema-accent);
    color: var(--crema-text-on-accent);
}

.lang-btn.active {
    background-color: var(--crema-primary);
    color: var(--crema-text-on-primary);
    font-weight: bold;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--crema-text);
    cursor: pointer;
    padding: 0;
    margin: 0;
    order: 3;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 60px;
    right: 0;
    width: 250px;
    background-color: var(--crema-surface);
    border-left: 1px solid var(--crema-border);
    box-shadow: -4px 4px 12px rgba(44,24,16,0.15);
    z-index: 99;
    max-height: calc(100vh - 60px);
    overflow-y: auto;
}

.mobile-menu.active {
    display: block;
}

.mobile-menu ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
}

.mobile-menu li {
    margin: 0;
    border-bottom: 1px solid var(--crema-border);
}

.mobile-menu a {
    display: block;
    padding: 12px 16px;
    color: var(--crema-text);
    text-decoration: none;
    font-size: 14px;
    transition: background-color 0.2s, color 0.2s;
}

.mobile-menu a:hover {
    background-color: var(--crema-primary);
    color: var(--crema-text-on-primary);
}

.mobile-menu a.active {
    background-color: var(--crema-primary);
    color: var(--crema-text-on-primary);
    font-weight: bold;
}

/* ── 메인 콘텐츠 ── */
main {
    flex: 1;
    padding: 32px 40px;
    max-width: 100%;
    overflow-y: auto;
    display: flex;
    justify-content: center;
}

#content {
    width: 100%;
    max-width: 900px;
}

/* ── 마크다운 렌더링 스타일 ── */
#content h1 {
    font-size: 28px;
    color: var(--crema-primary);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: var(--crema-border-width) solid var(--crema-border);
}
#content h2 {
    font-size: 22px;
    color: var(--crema-primary);
    margin-top: 28px;
    margin-bottom: 12px;
}
#content h3 {
    font-size: 18px;
    color: var(--crema-text);
    margin-top: 20px;
    margin-bottom: 8px;
}
#content p {
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 12px;
}
#content ul, #content ol {
    margin: 8px 0 16px 24px;
    line-height: 1.8;
}
#content a {
    color: var(--crema-primary);
    text-decoration: underline;
}
#content a:hover {
    color: var(--crema-accent);
}
#content code {
    background-color: var(--crema-surface);
    border: var(--crema-border-width) solid var(--crema-border);
    border-radius: 4px;
    padding: 2px 6px;
    font-family: 'Courier New', monospace;
    font-size: 13px;
}
#content pre {
    background-color: var(--crema-surface);
    border: var(--crema-border-width) solid var(--crema-border);
    border-radius: var(--crema-radius-md);
    padding: 16px 20px;
    overflow-x: auto;
    margin: 12px 0 16px;
    box-shadow: var(--crema-shadow);
}
#content pre code {
    background: none;
    border: none;
    padding: 0;
}
#content blockquote {
    border-left: 4px solid var(--crema-accent);
    background-color: var(--crema-surface);
    padding: 12px 16px;
    margin: 12px 0;
    border-radius: 0 var(--crema-radius-sm) var(--crema-radius-sm) 0;
}
#content table {
    width: 100%;
    border-collapse: collapse;
    margin: 12px 0 16px;
}
#content th {
    background-color: var(--crema-primary);
    color: var(--crema-text-on-primary);
    padding: 10px 14px;
    text-align: left;
    font-size: 14px;
}
#content th:first-child { border-radius: var(--crema-radius-sm) 0 0 0; }
#content th:last-child  { border-radius: 0 var(--crema-radius-sm) 0 0; }
#content td {
    padding: 10px 14px;
    border-bottom: var(--crema-border-width) solid var(--crema-border);
    font-size: 14px;
}
#content tr:hover td {
    background-color: var(--crema-surface);
}
#content hr {
    border: none;
    border-top: var(--crema-border-width) solid var(--crema-border);
    margin: 24px 0;
}
#content img {
    max-width: 100%;
    border-radius: var(--crema-radius-md);
    box-shadow: var(--crema-shadow);
}

/* ── 태블릿 (768px 이하) ── */
@media (max-width: 768px) {
    .nav-inner {
        padding: 12px 16px;
        gap: 8px;
    }

    nav h3 {
        font-size: 16px;
        flex: 1;
    }

    #lang-switcher {
        order: 2;
        flex-shrink: 0;
    }

    .lang-btn {
        padding: 5px 8px;
        font-size: 11px;
    }

    .menu-toggle {
        display: block;
        order: 3;
        flex-shrink: 0;
    }

    nav ul {
        display: none !important;
    }

    nav a {
        padding: 6px 10px;
        font-size: 12px;
    }

    .mobile-menu {
        width: 280px;
    }

    .mobile-menu.active {
        display: block;
    }

    .mobile-menu a {
        padding: 11px 16px;
        font-size: 13px;
    }

    main {
        padding: 24px 20px;
    }

    #content h1 {
        font-size: 24px;
        margin-bottom: 12px;
    }

    #content h2 {
        font-size: 20px;
        margin-top: 20px;
        margin-bottom: 10px;
    }

    #content h3 {
        font-size: 16px;
        margin-top: 16px;
        margin-bottom: 8px;
    }

    #content p {
        font-size: 14px;
    }

    #content table {
        font-size: 13px;
    }

    #content th, #content td {
        padding: 8px 10px;
    }

    #content pre {
        padding: 12px 16px;
        font-size: 12px;
    }
}

/* ── 모바일 (480px 이하) ── */
@media (max-width: 480px) {
    .nav-inner {
        padding: 12px 16px;
        gap: 6px;
    }

    nav h3 {
        font-size: 14px;
        flex: 1;
    }

    #lang-switcher {
        order: 2;
        flex-shrink: 0;
    }

    .lang-btn {
        padding: 4px 6px;
        font-size: 10px;
    }

    .menu-toggle {
        display: block;
        order: 3;
        flex-shrink: 0;
    }

    nav ul {
        display: none !important;
    }

    nav a {
        padding: 5px 6px;
        font-size: 10px;
    }

    .mobile-menu {
        width: 100%;
        max-width: none;
        right: 0;
    }

    .mobile-menu.active {
        display: block;
    }

    .mobile-menu a {
        padding: 10px 16px;
        font-size: 13px;
    }

    main {
        padding: 16px 16px;
        max-width: 100%;
    }

    #content h1 {
        font-size: 20px;
        margin-bottom: 10px;
    }

    #content h2 {
        font-size: 18px;
        margin-top: 16px;
        margin-bottom: 8px;
    }

    #content h3 {
        font-size: 14px;
        margin-top: 12px;
        margin-bottom: 6px;
    }

    #content p {
        font-size: 13px;
        line-height: 1.6;
        margin-bottom: 10px;
    }

    #content ul, #content ol {
        margin: 6px 0 12px 16px;
        font-size: 13px;
    }

    #content code {
        font-size: 12px;
        padding: 2px 4px;
    }

    #content pre {
        padding: 10px 12px;
        font-size: 11px;
        border-radius: var(--crema-radius-sm);
    }

    #content table {
        font-size: 12px;
        margin: 10px 0 12px;
    }

    #content th, #content td {
        padding: 6px 8px;
    }

    #content blockquote {
        padding: 10px 12px;
        margin: 10px 0;
    }

    #content hr {
        margin: 16px 0;
    }
}