:root {
    --bg-base: #0a0f1a;
    --bg-surface: #161e2d;
    --bg-elevated: #1f2937;
    --accent: #38bdf8;
    --accent-hover: #0ea5e9;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border: rgba(255, 255, 255, 0.08);
    --container: 1000px;
    --radius: 12px;
    --font-sans: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; -webkit-font-smoothing: antialiased; }

body {
    font-family: var(--font-sans);
    background-color: var(--bg-base);
    color: var(--text-main);
    line-height: 1.6;
}

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* Header & Nav */
.main-header {
    background: rgba(10, 15, 26, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    position: sticky; top: 0; z-index: 1000;
}
.nav-wrapper { display: flex; justify-content: space-between; align-items: center; height: 72px; }
.logo { cursor: pointer; font-size: 1.4rem; font-weight: 800; }
.logo span { color: var(--accent); font-weight: 400; }

.nav-right { display: flex; align-items: center; gap: 30px; }
.nav-links { list-style: none; display: flex; gap: 24px; }
.nav-links a { text-decoration: none; color: var(--text-muted); font-weight: 600; font-size: 0.95rem; transition: 0.2s; }
.nav-links a:hover, .nav-links a.active { color: var(--text-main); }

/* Language Selector */
.lang-selector { margin-left: 10px; }
.goog-te-gadget-simple {
    background-color: transparent !important; border: 1px solid var(--border) !important;
    padding: 4px 8px !important; border-radius: 6px !important; font-size: 0.85rem !important;
    color: var(--text-main) !important; cursor: pointer;
}
.goog-te-gadget-simple img { display: none !important; }
.goog-te-gadget-simple span { color: var(--text-muted) !important; font-weight: 600 !important; }
.goog-te-banner-frame.skiptranslate { display: none !important; }
body { top: 0px !important; }

/* Home List */
.list-header { margin: 60px 0 40px; }
.header-content h2 { font-size: 2.2rem; font-weight: 800; margin-bottom: 8px; }
.subtitle { color: var(--text-muted); font-size: 1.1rem; }
.category-chips { display: flex; gap: 10px; margin-top: 24px; overflow-x: auto; -webkit-overflow-scrolling: touch; padding-bottom: 10px; }
.category-chips::-webkit-scrollbar { display: none; }
.chip { padding: 6px 18px; border-radius: 50px; background: var(--bg-surface); border: 1px solid var(--border); color: var(--text-muted); cursor: pointer; font-weight: 600; font-size: 0.9rem; white-space: nowrap; transition: 0.2s; }
.chip.active { background: var(--accent); color: var(--bg-base); border-color: var(--accent); }

.tistory-list { display: grid; grid-template-columns: 1fr; gap: 32px; margin-bottom: 80px; }
.post-item { display: flex; gap: 28px; cursor: pointer; padding: 20px; background: var(--bg-surface); border-radius: var(--radius); border: 1px solid var(--border); transition: 0.3s; align-items: center; }
.post-item:hover { border-color: var(--accent); transform: translateY(-4px); box-shadow: 0 10px 30px rgba(0,0,0,0.3); }
.post-item-thumb { width: 260px; height: 170px; background-size: cover; background-position: center; border-radius: 8px; flex-shrink: 0; background-color: var(--bg-elevated); }
.post-item-content h3 { font-size: 1.4rem; margin-bottom: 10px; line-height: 1.4; color: #fff; }
.post-item-content p { color: var(--text-muted); font-size: 0.95rem; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.post-item-content .cat { color: var(--accent); font-size: 0.75rem; font-weight: 700; text-transform: uppercase; margin-bottom: 6px; display: block; }

/* Post Detail */
.post-detail-container { max-width: 800px; margin: 60px auto; }
.post-detail-header { text-align: center; margin-bottom: 48px; }
.category-tag { background: rgba(56, 189, 248, 0.1); color: var(--accent); padding: 4px 12px; border-radius: 4px; font-weight: 700; font-size: 0.85rem; border: 1px solid rgba(56, 189, 248, 0.2); }
.post-detail-header h2 { font-size: 2.8rem; margin: 20px 0; line-height: 1.25; font-weight: 800; color: #fff; }
.post-info { color: var(--text-muted); font-size: 0.95rem; display: flex; align-items: center; justify-content: center; gap: 10px; }

.post-content-body { font-size: 1.15rem; line-height: 1.85; color: #cbd5e1; }
.post-content-body h3 { font-size: 1.7rem; color: #fff; margin: 40px 0 16px; }
.post-content-body p { margin-bottom: 24px; }
.post-content-body img { max-width: 100%; height: auto; border-radius: var(--radius); margin: 40px auto; display: block; cursor: zoom-in; box-shadow: 0 10px 40px rgba(0,0,0,0.3); transition: 0.3s; }
.post-content-body img:hover { transform: scale(1.01); }

/* Lightbox */
#lightbox {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.95); z-index: 2000;
    display: none; align-items: center; justify-content: center;
    cursor: zoom-out; animation: fadeIn 0.3s ease;
}
#lightbox img { max-width: 95%; max-height: 95%; border-radius: 4px; }

/* Contact Page */
.contact-page-wrapper { max-width: 600px; margin: 100px auto; padding: 0 20px; }
.contact-header-box { text-align: center; margin-bottom: 48px; }
.minimal-tag { font-size: 0.75rem; font-weight: 800; color: var(--accent); letter-spacing: 0.2em; display: block; margin-bottom: 12px; }
.contact-header-box h2 { font-size: 2.5rem; font-weight: 800; margin-bottom: 16px; color: #fff; }
.contact-header-box p { color: var(--text-muted); font-size: 1.1rem; }

.premium-contact-card {
    background: var(--bg-surface); border: 1px solid var(--border);
    border-radius: 20px; padding: 40px; box-shadow: 0 20px 50px rgba(0,0,0,0.4);
    display: flex; flex-direction: column; gap: 24px;
}
.input-group { display: flex; flex-direction: column; gap: 8px; }
.input-group label { font-size: 0.85rem; font-weight: 700; color: var(--text-muted); text-transform: uppercase; }
.input-group input, .input-group textarea {
    background: var(--bg-elevated); border: 1px solid var(--border);
    border-radius: 10px; padding: 14px 16px; color: #fff;
    font-family: inherit; font-size: 1rem; outline: none; transition: 0.2s;
}
.input-group input:focus, .input-group textarea:focus {
    border-color: var(--accent); box-shadow: 0 0 0 4px rgba(56, 189, 248, 0.1);
}
.input-group textarea { height: 160px; resize: none; line-height: 1.6; }

.fancy-submit-btn {
    background: var(--accent); color: var(--bg-base); border: none;
    padding: 16px; border-radius: 10px; font-weight: 800; font-size: 1rem;
    cursor: pointer; display: flex; align-items: center; justify-content: center; gap: 10px; transition: 0.3s;
}
.fancy-submit-btn:hover { background: #fff; transform: translateY(-2px); }

/* Admin View Styling */
.admin-box { max-width: 400px; margin: 120px auto; text-align: center; background: var(--bg-surface); padding: 40px; border-radius: var(--radius); border: 1px solid var(--border); }
.editor-header { display: flex; justify-content: space-between; align-items: center; margin: 40px 0; gap: 20px; }
.title-input { flex-grow: 1; font-size: 2rem; font-weight: 800; background: transparent; border: none; border-bottom: 2px solid var(--border); color: #fff; padding: 10px 0; outline: none; }
.editor-grid { display: grid; grid-template-columns: 1fr 300px; gap: 30px; }
.editor-main { background: var(--bg-surface); border-radius: var(--radius); border: 1px solid var(--border); padding: 20px; }
.editor-side { display: flex; flex-direction: column; gap: 24px; }
.side-item { background: var(--bg-surface); border-radius: var(--radius); border: 1px solid var(--border); padding: 20px; }
.editor-label { font-size: 0.8rem; font-weight: 800; color: var(--accent); margin-bottom: 12px; display: block; }
.thumb-preview-box {
    width: 100%; height: 160px; background: var(--bg-elevated); border: 2px dashed var(--border);
    border-radius: 8px; display: flex; align-items: center; justify-content: center;
    cursor: pointer; background-size: cover; background-position: center;
}

/* Footer Improvements */
.main-footer { padding: 60px 0; border-top: 1px solid var(--border); margin-top: 100px; }
.footer-content-wrapper { display: flex; justify-content: space-between; align-items: center; }
.footer-left p { color: var(--text-muted); font-size: 0.9rem; }
.footer-right { display: flex; align-items: center; gap: 15px; }
.footer-right a { color: var(--text-muted); text-decoration: none; font-size: 0.85rem; font-weight: 600; transition: 0.2s; }
.footer-right a:hover { color: var(--accent); }
.footer-sep { color: var(--border); font-size: 0.8rem; }

/* Mobile Fixes */
@media (max-width: 768px) {
    .nav-wrapper { flex-direction: column; height: auto; padding: 15px 0; gap: 15px; }
    .nav-right { flex-direction: column; gap: 10px; }
    .post-item { flex-direction: column; padding: 16px; gap: 16px; }
    .post-item-thumb { width: 100%; height: 200px; }
    .post-detail-header h2 { font-size: 2.2rem; }
    .post-content-body img { width: calc(100% + 32px); margin-left: -16px; border-radius: 0; }
    .editor-grid { grid-template-columns: 1fr; }
    .premium-contact-card { padding: 24px; }
    .footer-content-wrapper { flex-direction: column; gap: 20px; text-align: center; }
}

.view { display: none; }
.view.active { display: block; animation: fadeIn 0.4s ease-out; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

.ql-container.ql-snow { border-radius: 0 0 8px 8px; border-color: var(--border) !important; font-size: 1.1rem; }
.ql-toolbar.ql-snow { border-radius: 8px 8px 0 0; border-color: var(--border) !important; background: var(--bg-elevated); }