/* --- Tracking SA PREMIUM DESIGN SYSTEM (Final Stability v3.0) --- */

:root {
    --p-blue: oklch(55% 0.18 260);
    --p-blue-soft: oklch(95% 0.02 260);
    --text-main: oklch(25% 0.05 260);
    --text-sub: oklch(50% 0.02 260);
    --bg-main: oklch(98% 0.01 250);
    --header-h: 70px;
    --max-w: 1200px;
    --content-pad-top: 32px;
    --content-pad-bottom: 40px;
}

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

body {
    font-family: 'Pretendard', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
    padding-top: var(--header-h); /* 헤더 공간 강제 확보 */
    min-height: 100vh;
}

/* --- Dark Mode (Global) --- */
body.dark-mode {
    --bg-main: oklch(18% 0.02 260);
    --text-main: oklch(95% 0.02 260);
    --text-sub: oklch(75% 0.02 260);
    background-color: var(--bg-main);
    color: var(--text-main);
}

body.dark-mode header {
    background: color-mix(in oklch, oklch(18% 0.02 260) 92%, transparent) !important;
    border-bottom: 1px solid oklch(30% 0.02 260) !important;
    box-shadow: 0 8px 30px rgba(0,0,0,0.45) !important;
}

body.dark-mode nav a,
body.dark-mode .dropbtn {
    color: var(--text-main);
}

body.dark-mode nav a:hover {
    color: var(--p-blue);
}

body.dark-mode nav a:hover,
body.dark-mode .dropbtn:hover {
    background: oklch(25% 0.02 260);
}

body.dark-mode footer {
    background: #0f172a;
    border-top: 1px solid oklch(30% 0.02 260);
    color: var(--text-sub);
}

body.dark-mode footer a {
    color: var(--text-sub);
}

/* --- THE HEADER (ABSOLUTE VISIBILITY) --- */
header {
    position: fixed !important;
    top: 0; left: 0; right: 0;
    height: var(--header-h) !important;
    background: color-mix(in oklch, white 92%, transparent) !important;
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    z-index: 2147483647 !important;
    box-shadow: 0 8px 30px rgba(2, 6, 23, 0.12) !important;
    border-bottom: 1px solid oklch(92% 0.02 260) !important;
    backdrop-filter: blur(14px);
}

.header-inner {
    width: 100%;
    max-width: var(--max-w);
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-logo { width: 40px; height: 40px; fill: var(--p-blue); color: var(--p-blue); }

.desktop-menu-container { display: flex; align-items: center; gap: 20px; width: 100%; }
nav ul { display: flex; list-style: none; gap: 10px; }
nav a, .dropbtn {
    text-decoration: none;
    color: var(--text-main);
    font-weight: 800;
    padding: 8px 12px;
    font-size: 0.95rem;
    border-radius: 999px;
    transition: 0.2s ease;
    background: transparent;
}
nav a:hover, .dropbtn:hover {
    color: var(--p-blue);
    background: oklch(97% 0.03 260);
}
.dropdown { position: relative; }
.dropdown-content {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    min-width: 180px;
    background: white;
    border: 1px solid oklch(92% 0.02 260);
    border-radius: 14px;
    padding: 10px;
    box-shadow: 0 20px 40px rgba(2, 6, 23, 0.12);
    z-index: 1000;
}
.dropdown-content a {
    display: block;
    padding: 10px 12px;
    border-radius: 10px;
    font-weight: 700;
}
.dropdown-content a:hover {
    background: oklch(97% 0.03 260);
}
.dropdown:hover .dropdown-content { display: block; }

.utility-controls {
    margin-left: auto;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.utility-controls #color-change {
    width: 36px;
    height: 32px;
    border-radius: 999px;
    border: 1px solid oklch(90% 0.01 260);
    background: white;
    cursor: pointer;
}

/* --- Language Switcher --- */
#language-switcher {
    display: inline-flex;
    gap: 6px;
    min-width: 96px;
    justify-content: flex-end;
}

.lang-button {
    min-width: 44px;
    height: 32px;
    padding: 0 8px;
    border-radius: 999px;
    border: 1px solid oklch(90% 0.01 260);
    background: white;
    color: var(--text-main);
    font-weight: 700;
    letter-spacing: 0.2px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: 0.2s;
}

.lang-button.active {
    background: var(--p-blue);
    color: white;
    border-color: var(--p-blue);
}

body.dark-mode .lang-button {
    background: #0f172a;
    border-color: oklch(35% 0.02 260);
    color: var(--text-main);
}

body.dark-mode .lang-button.active {
    background: var(--p-blue);
    color: white;
    border-color: var(--p-blue);
}

body.dark-mode .dropdown-content {
    background: oklch(20% 0.02 260);
    border-color: oklch(30% 0.02 260);
}

body.dark-mode .dropdown-content a:hover {
    background: oklch(25% 0.02 260);
}

body.dark-mode .utility-controls #color-change {
    background: #0f172a;
    border-color: oklch(35% 0.02 260);
    color: white;
}

/* --- Footer --- */
footer {
    margin-top: 80px;
    padding: 40px 20px;
    text-align: center;
    background: white;
    border-top: 1px solid oklch(95% 0.01 260);
    color: var(--text-sub);
}
footer a {
    color: var(--text-sub);
    text-decoration: none;
    font-weight: 700;
}
footer a:hover { color: var(--p-blue); }

/* --- CENTERED CONTENT LAYOUT --- */
main {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center; /* 수평 정중앙 정렬의 핵심 */
    justify-content: flex-start;
    margin: 0 auto;
    min-height: 80vh;
}

/* Force centered page width for non-game pages */
main:not(#ai-evolution-game):not(.search-main-container) {
    max-width: var(--max-w);
    margin-left: auto;
    margin-right: auto;
    padding-top: var(--content-pad-top);
    padding-bottom: var(--content-pad-bottom);
}

/* 모든 main의 직계 자식에 대해 자동 중앙 정렬 보장 (강력한 안정화 장치) */
main > *:not(script):not(style) {
    display: block;
    width: 100%;
    max-width: var(--max-w);
    margin: 0 auto; /* 안전장치 */
}

/* Fallback: pages rendering content directly under body (DDD 전환 이후 대비) */
body > :not(header):not(footer):not(script):not(style):not(link):not(main):not(tetris-game) {
    display: block;
    width: 100%;
    max-width: var(--max-w);
    margin: 0 auto;
}

.container, .news-section-main, .ticker-container {
    width: 100% !important;
    max-width: var(--max-w) !important;
    padding: 20px;
    position: relative;
    margin: 0 auto;
}

.container.centered {
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* --- News Layout --- */
.hero-card {
    background: var(--text-main); color: white; border-radius: 24px;
    padding: 60px 40px; margin-bottom: 40px; width: 100%;
}
.hero-card-title a { color: white; text-decoration: none; font-size: 2.5rem; font-weight: 900; }

.news-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 30px; width: 100%; }
.news-card-premium {
    background: white; border-radius: 20px; padding: 30px;
    border: 1px solid oklch(95% 0.01 260); box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    text-decoration: none; color: inherit; transition: transform 0.3s;
}
.news-card-premium:hover { transform: translateY(-8px); border-color: var(--p-blue); }

/* --- News Article Pages --- */
.news-article-main {
    width: 100%;
    max-width: 920px;
    margin: 0 auto;
    padding: 40px 20px 60px;
}

.news-article-card {
    background: white;
    border-radius: 28px;
    padding: 48px 44px;
    border: 1px solid oklch(94% 0.01 260);
    box-shadow: 0 20px 60px rgba(2, 6, 23, 0.08);
}

.news-article-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-bottom: 18px;
    color: var(--text-sub);
    font-weight: 700;
    font-size: 0.9rem;
}

.news-article-date {
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    border-radius: 999px;
    background: oklch(96% 0.02 260);
    color: oklch(45% 0.05 260);
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 0.02em;
}

.news-article-title {
    font-size: clamp(1.8rem, 3.2vw, 2.6rem);
    line-height: 1.2;
    margin-bottom: 26px;
    font-weight: 900;
    color: var(--text-main);
}

.news-article-content {
    font-size: 1.05rem;
    line-height: 1.9;
    color: var(--text-main);
}

.news-article-content h2 {
    margin-top: 32px;
    margin-bottom: 12px;
    font-size: 1.35rem;
    font-weight: 900;
}

.news-article-content h3 {
    margin-top: 24px;
    margin-bottom: 10px;
    font-size: 1.1rem;
    font-weight: 800;
}

.news-article-content p {
    margin-bottom: 16px;
}

.news-article-content ul {
    padding-left: 22px;
    margin-bottom: 16px;
}

.news-article-content li {
    margin-bottom: 8px;
}

body.dark-mode .news-article-card {
    background: oklch(18% 0.02 260);
    border-color: oklch(30% 0.02 260);
    box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

body.dark-mode .news-article-title,
body.dark-mode .news-article-content {
    color: oklch(92% 0.02 260);
}

body.dark-mode .news-article-date {
    background: oklch(24% 0.02 260);
    color: oklch(85% 0.02 260);
}

/* Pagination */
.pagination { margin-top: 60px; display: flex; justify-content: center; gap: 20px; font-weight: 800; width: 100%; }

/* Homepage Overrides (Navigation is now visible globally) */
body.home-page header { background: color-mix(in oklch, white 92%, transparent) !important; box-shadow: 0 8px 30px rgba(2, 6, 23, 0.12) !important; border-bottom: 1px solid oklch(92% 0.02 260) !important; }
body.home-page .header-inner { justify-content: space-between; }
/* body.home-page .site-logo-link, body.home-page nav { display: none !important; } <-- Removed to show navigation */