/* ==========================================================
   2026 리뉴얼 — style.css 위에 덮어쓰는 모양 전용 파일
   · 기능(마크업·스크립트)은 건드리지 않고 색·여백·모양만 바꾼다.
   · 홈은 '미니멀 프리미엄'(D안), 나머지 화면은 '종이와 코발트'(A안).
   · 되돌리기: includes/header.php 에서 renew.css 줄만 지우면 된다.
   ========================================================== */

:root {
    --primary: #2743C9;
    --primary-dark: #1E36A8;
    --primary-soft: #E9EDFB;
    --on-primary: #FFFFFF;
    --bg: #F4F3EE;
    --card: #FFFFFF;
    --border: #E3E1D8;
    --line-soft: #ECEAE3;
    --text: #17181C;
    --text-light: #5E6068;
    --muted-bg: #F0EFEA;
    --danger: #C2410C;
    --danger-soft: #FDF1EA;
    --success: #17803D;
    --success-soft: #EEF7F0;
    --warm: #B4540A;
    --ink: #17181C;
    --ink-2: #25272D;
    --radius: 14px;
    --page: #FFFFFF;      /* 페이지 바탕 (카드는 테두리로 구분) */
}
:root[data-theme="dark"] {
    --primary: #8FA4FF;
    --primary-dark: #B3C1FF;
    --primary-soft: #1E2440;
    --on-primary: #0E1020;
    --bg: #111214;
    --card: #1A1B1F;
    --border: #2C2D33;
    --line-soft: #26272C;
    --text: #ECECEE;
    --text-light: #A3A5AD;
    --muted-bg: #232429;
    --danger: #FB923C;
    --danger-soft: #3A2114;
    --success: #4ADE80;
    --success-soft: #122A1B;
    --warm: #FDBA74;
    --ink: #ECECEE;
    --ink-2: #2A2B31;
    --page: #111214;
}

body { background: var(--page); color: var(--text); letter-spacing: -0.005em; }
h1, h2, h3 { letter-spacing: -0.025em; }

/* ── 버튼 ───────────────────────────────────────── */
.btn {
    background: var(--primary);
    color: var(--on-primary);
    border-radius: 10px;
    padding: 10px 18px;
    font-family: inherit;
    transition: background .15s;
}
.btn:hover { background: var(--primary-dark); }
.btn.secondary {
    background: var(--card);
    color: var(--text);
    border: 1px solid var(--border);
}
.btn.secondary:hover { background: var(--muted-bg); }
.btn.ghost { border-color: var(--border); color: var(--text-light); }

/* ── 카드 · 배지 ─────────────────────────────────── */
.card {
    border-radius: var(--radius);
    border-color: var(--border);
}
.card:hover { box-shadow: 0 6px 18px rgba(23,24,28,.07); }
.badge { background: var(--primary-soft); color: var(--primary); border-radius: 6px; font-weight: 700; }
.cert-qual { background: var(--muted-bg); color: var(--text-light); border-radius: 6px; }
.cert-expl { background: var(--success-soft); color: #146C34; border-radius: 6px; }
:root[data-theme="dark"] .badge { background: var(--primary-soft); color: var(--primary); }
:root[data-theme="dark"] .cert-expl { color: var(--success); }

/* ── 탭: 밑줄 탭 → 알약형 전환 버튼 ───────────────── */
.tabs {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 4px;
    padding: 4px;
    background: #E9E7DF;
    border: none;
    border-radius: 12px;
}
:root[data-theme="dark"] .tabs { background: var(--muted-bg); }
.tabs a,
.tabs button {
    padding: 8px 16px;
    border: none;
    border-radius: 9px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-light);
}
.tabs a:hover,
.tabs button:hover { color: var(--text); }
.tabs a.active,
.tabs button.active {
    background: var(--card);
    color: var(--text);
    font-weight: 700;
    box-shadow: 0 1px 2px rgba(0,0,0,.08);
}

/* ── 왼쪽 메뉴 ──────────────────────────────────── */
.rail { background: var(--card); border-right-color: var(--border); }
.rail-badge { background: var(--ink); color: var(--card); border-radius: 10px; font-weight: 700; }
/* 파비콘과 같은 로고 이미지 */
.rail-badge-img { background: none; border-radius: 9px; display: block; }
.rail-logo a { display: flex; align-items: center; gap: 12px; }
.rail-brand { font-size: 17px; font-weight: 700; letter-spacing: -0.03em; color: var(--text); }
.rail-group {
    display: block;
    height: 0;
    overflow: hidden;
    padding: 0 11px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .06em;
    color: var(--text-light);
    transition: opacity .1s ease;
}
.rail:hover .rail-group { height: auto; padding: 14px 11px 6px; }
.rail-menu-sub { border-top: 1px solid var(--line-soft); margin-top: 8px; padding-top: 4px; }
.rail-menu a, .rail-item { border-radius: 10px; height: 40px; color: #3A3C42; }
:root[data-theme="dark"] .rail-menu a, :root[data-theme="dark"] .rail-item { color: var(--text); }
.rail-menu a:hover, .rail-footer a:hover { background: var(--muted-bg); }
.rail-menu a.on { background: var(--primary-soft); color: var(--primary); font-weight: 700; }
.rail-menu a.on svg { color: var(--primary); }
.rail-menu-sub a, .rail-menu-sub .rail-item { height: 36px; font-size: 13px; }
.rail-avatar { background: var(--ink); }
.rail-avatar svg { color: var(--card); }
.switch input:checked + .slider { background: var(--primary); }
@media (min-width: 1400px) {
    .rail .rail-group { height: auto; padding: 14px 11px 6px; }
}
@media (max-width: 720px) {
    .rail .rail-group { height: auto; padding: 14px 11px 6px; }
    .rail-toggle { border-color: var(--border); border-radius: 10px; }
}

/* ── 검색창 · 칩 ────────────────────────────────── */
.home-search {
    border: 1.5px solid var(--ink);
    border-radius: 14px;
    padding: 6px 6px 6px 18px;
    background: var(--card);
}
.home-search .btn { padding: 10px 22px; }
.chip { border-color: var(--border); background: var(--card); color: #3A3C42; font-weight: 500; }
:root[data-theme="dark"] .chip { color: var(--text); }
.chip:hover { border-color: var(--ink); color: var(--text); }
.chip.on { background: var(--ink); border-color: var(--ink); color: var(--card); }

/* ── 인기 종목 ──────────────────────────────────── */
.rank-title h3 { font-size: 22px; font-weight: 700; }
.rank-title span { font-size: 13px; }
.rank-col { border-radius: 16px; padding: 14px 8px 8px; }
.rank-kind { border-radius: 6px; padding: 4px 9px; font-size: 12px; }
.rank-kind.k-sub { background: #FDEBDD; color: #A33A08; }
.rank-kind.k-obj { background: var(--primary-soft); color: var(--primary); }
:root[data-theme="dark"] .rank-kind.k-sub { background: var(--danger-soft); color: var(--warm); }
:root[data-theme="dark"] .rank-kind.k-obj { background: var(--primary-soft); color: var(--primary); }
.rank-type { color: var(--text); }
.rank-list li + li { border-top: none; }
.rank-list a { padding: 13px 14px; border-radius: 10px; font-size: 15px; }
.rank-list a:hover { background: var(--muted-bg); }
.rk-no { color: var(--text-light); font-weight: 700; font-variant-numeric: tabular-nums; }
.rk-no.n1, .rk-no.n2, .rk-no.n3 { color: var(--primary); }
.rk-name { color: var(--text); font-weight: 500; }
.rank-list a:hover .rk-name { text-decoration: none; }

/* ==========================================================
   홈 (D안 · 미니멀 프리미엄)
   ========================================================== */

body.page-home main.container { max-width: 1040px; }

.d-hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: clamp(40px, 9vh, 96px) 0 0;
}
.d-eyebrow { margin: 0 0 14px; font-size: 19px; font-weight: 600; color: var(--warm); }
.d-hero h1 {
    margin: 0;
    font-size: clamp(40px, 6.4vw, 78px);
    line-height: 1.08;
    font-weight: 700;
    letter-spacing: -0.045em;
}
.d-sub { margin: 20px 0 0; font-size: clamp(16px, 1.7vw, 21px); line-height: 1.55; color: var(--text-light); }
.d-cta { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 30px; }
.d-btn {
    display: inline-flex; align-items: center;
    height: 48px; padding: 0 26px;
    border-radius: 999px;
    background: var(--primary); color: var(--on-primary);
    font-size: 17px; font-weight: 600;
    transition: background .15s;
}
.d-btn:hover { background: var(--primary-dark); }
.d-btn.ghost { background: transparent; color: var(--primary); box-shadow: inset 0 0 0 1px var(--primary); }
.d-btn.ghost:hover { background: var(--primary-soft); }

/* 문제 풀이 화면 미리보기 */
.d-show {
    width: 100%;
    margin-top: 56px;
    padding: 56px 40px 0;
    box-sizing: border-box;
    border-radius: 28px 28px 0 0;
    background: #F4F4F6;
    display: flex;
    justify-content: center;
    overflow: hidden;
}
:root[data-theme="dark"] .d-show { background: #1E1F24; }
.d-show-sheet {
    width: 100%;
    max-width: 740px;
    background: var(--card);
    border-radius: 20px 20px 0 0;
    box-shadow: 0 30px 60px -20px rgba(24,24,27,.25);
    padding: 32px 40px 18px;
    text-align: left;
}
.d-show-top { display: flex; justify-content: space-between; font-size: 13px; color: var(--text-light); }
.d-show-bar { height: 3px; margin: 14px 0 22px; background: var(--line-soft); border-radius: 2px; }
.d-show-bar i { display: block; width: 3.3%; height: 100%; background: var(--primary); border-radius: 2px; }
.d-show-q { font-size: 21px; font-weight: 600; line-height: 1.5; letter-spacing: -0.015em; }
.d-show-choices { list-style: none; margin: 14px 0 0; padding: 0; font-size: 16px; }
.d-show-choices li { display: flex; align-items: center; gap: 14px; min-height: 50px; border-bottom: 1px solid var(--line-soft); }
.d-show-choices li:last-child { border-bottom: none; }
.d-show-choices b { width: 16px; font-weight: 600; color: #A1A1AA; }
.d-show-choices li.ok { color: var(--primary); font-weight: 600; }
.d-show-choices li.ok b { color: var(--primary); }
.d-show-choices em { margin-left: auto; font-style: normal; font-size: 13px; }

/* 기능 타일 */
.d-tiles {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    padding: 16px;
    margin: 0 0 20px;
    background: #F4F4F6;
    border-radius: 0 0 28px 28px;
}
:root[data-theme="dark"] .d-tiles { background: #1E1F24; }
.d-tile {
    min-height: 300px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 40px;
    border-radius: 24px;
    background: var(--card);
    transition: transform .2s ease;
}
.d-tile:hover { transform: translateY(-3px); }
.d-tile strong { font-size: clamp(26px, 2.6vw, 34px); line-height: 1.18; font-weight: 700; letter-spacing: -0.035em; }
.d-tile span { font-size: 16px; color: var(--text-light); }
.d-tile em { margin-top: auto; font-style: normal; font-size: 16px; font-weight: 600; color: var(--primary); }
.d-tile.dark { background: #17181C; color: #FFFFFF; }
.d-tile.dark span { color: #C4C4CC; }
.d-tile.dark em { color: #9DB2FF; }
:root[data-theme="dark"] .d-tile.dark { background: #2743C9; }
:root[data-theme="dark"] .d-tile.dark span { color: #DCE2FF; }
:root[data-theme="dark"] .d-tile.dark em { color: #FFFFFF; }

/* 자격증 찾기 */
.d-find {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 18px;
    padding: 72px 0 12px;
    text-align: center;
    scroll-margin-top: 20px;
}
.d-find h2 { margin: 0 0 6px; font-size: clamp(30px, 3.6vw, 46px); font-weight: 700; letter-spacing: -0.04em; }
.d-find .home-search { width: 100%; max-width: 620px; margin: 0; }
.d-find .chip-row { margin: 0; }
body.page-home .rank-wrap { margin: 48px 0 40px; }

.home-list-title { margin: 8px 0 14px; font-size: 22px; font-weight: 700; }
body.page-home .cert-tabs { margin: 0 0 16px; }
.cert-tabs .cnt { color: var(--text-light); font-weight: 500; }

/* 자격증 목록 — 카드 대신 얇은 줄 (한 화면에 더 많이) */
.cert-rows {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
    column-gap: 32px;
    margin: 0 0 48px;
    border-top: 1px solid var(--border);
}
.cert-row {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 3px;
    min-height: 62px;
    padding: 10px 2px;
    border-bottom: 1px solid var(--border);
}
.cert-row:hover .cr-name { color: var(--primary); }
.cr-name { display: flex; align-items: center; gap: 8px; font-size: 16px; font-weight: 600; }
.cr-name .cert-expl { margin: 0; padding: 1px 7px; font-size: 11px; }
.cr-meta { font-size: 13px; color: var(--text-light); }

@media (max-width: 720px) {
    .d-hero { padding-top: 24px; }
    .d-eyebrow { font-size: 15px; }
    .d-show { margin-top: 36px; padding: 28px 14px 0; border-radius: 22px 22px 0 0; }
    .d-show-sheet { padding: 20px 18px 8px; }
    .d-show-q { font-size: 17px; }
    .d-show-choices { font-size: 14px; }
    .d-tiles { grid-template-columns: 1fr; padding: 10px; gap: 10px; border-radius: 0 0 22px 22px; }
    .d-tile { min-height: 0; padding: 28px 24px; gap: 8px; }
    .d-tile em { margin-top: 14px; }
    .d-find { padding-top: 48px; }
    .cert-rows { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 16px; }
}

/* ==========================================================
   세부 화면 (A안 · 종이와 코발트)
   ========================================================== */

/* 자격증 머리 · 회차 목록 */
.cat-head-title h1 { font-size: clamp(28px, 3.2vw, 38px); font-weight: 700; letter-spacing: -0.035em; }
.sidebar-box { border-radius: 16px; padding: 18px; }
.sidebar-box h4 { font-size: 15px; }
.search-input { border-radius: 10px; padding: 11px 12px; background: var(--card); color: var(--text); font-family: inherit; }
.mock-box { background: var(--ink); border-color: var(--ink); color: var(--card); }
.mock-box h4 { color: var(--card); }
.mock-box .desc { color: #D4D6DB; }
:root[data-theme="dark"] .mock-box { background: #22242B; border-color: var(--border); color: var(--text); }
:root[data-theme="dark"] .mock-box h4 { color: var(--text); }
:root[data-theme="dark"] .mock-box .desc { color: var(--text-light); }
.mock-box select { border-radius: 10px; background: var(--ink-2); color: #fff; border-color: #3A3C42; font-family: inherit; }
:root[data-theme="dark"] .mock-box select { background: var(--muted-bg); color: var(--text); border-color: var(--border); }
.mock-box .btn { background: #FFFFFF; color: #17181C; }
.mock-box .btn:hover { background: #E9EDFB; }
.mock-box .btn.secondary { background: transparent; color: #FFFFFF; border: 1px solid #55575E; }
:root[data-theme="dark"] .mock-box .btn { background: var(--primary); color: var(--on-primary); }
:root[data-theme="dark"] .mock-box .btn.secondary { background: transparent; color: var(--text); border-color: var(--border); }
.mini-tabs button { background: var(--muted-bg); border: none; border-radius: 8px; padding: 7px 8px; color: #3A3C42; font-family: inherit; }
:root[data-theme="dark"] .mini-tabs button { color: var(--text); }
.mini-tabs button.active { background: var(--ink); color: var(--card); }

.year-group { margin-bottom: 26px; }
.year-group h4 { font-size: 14px; font-weight: 700; color: #4A4C53; letter-spacing: .02em; }
:root[data-theme="dark"] .year-group h4 { color: var(--text-light); }
.round-row {
    border-radius: 14px;
    padding: 16px 18px;
    margin-bottom: 8px;
    gap: 12px;
    transition: border-color .15s;
}
.round-row:hover { border-color: #C9C7BE; }
.round-row .title { font-size: 16px; font-weight: 700; }
.round-row .count { font-size: 13px; margin-top: 4px; }

/* 모드 선택 */
.mode-option { border-radius: 12px; padding: 16px; }
.mode-option.selected { background: var(--primary-soft); border-color: var(--primary); }

/* 문제 풀이 */
.exam-sidebar { border-radius: 16px; padding: 16px; }
.timer { background: var(--danger-soft); color: var(--danger); border-radius: 10px; font-variant-numeric: tabular-nums; }
.qnum-grid a {
    border: 1.5px solid var(--muted-bg);
    background: var(--muted-bg);
    border-radius: 8px;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    color: #3A3C42;
}
:root[data-theme="dark"] .qnum-grid a { color: var(--text); background: var(--muted-bg); border-color: var(--muted-bg); }
.qnum-grid a.answered { background: var(--primary); border-color: var(--primary); color: var(--on-primary); }
.qnum-grid a:hover { border-color: var(--primary); }

.question-card { border-radius: 18px; padding: 26px 28px; }
.question-card .qno {
    background: transparent;
    color: var(--primary);
    font-size: 20px;
    font-weight: 700;
    padding: 0;
    border-radius: 0;
    font-variant-numeric: tabular-nums;
}
.question-card .qtext { font-size: 18px; line-height: 1.6; letter-spacing: -0.01em; }
.choice-label {
    border-radius: 12px;
    padding-top: 14px;
    padding-bottom: 14px;
    font-size: 16px;
    transition: border-color .12s, background .12s;
}
.choice-label:hover { background: var(--muted-bg); }
.choice-label:has(input:checked) { border-color: var(--primary); background: var(--primary-soft); box-shadow: inset 0 0 0 1px var(--primary); }
.choice-label input[type="radio"] { accent-color: var(--primary); }
.choice-label.correct-choice { border: 1.5px solid var(--success); background: var(--success-soft); }
.choice-label.wrong-choice { border: 1.5px solid var(--danger); background: var(--danger-soft); }
:root[data-theme="dark"] .choice-label.correct-choice { background: var(--success-soft); }
:root[data-theme="dark"] .choice-label.wrong-choice { background: var(--danger-soft); }
.explain, .result-item .explain { background: #F7F6F2; border: 1px solid var(--line-soft); border-radius: 12px; color: #2B2D33; }
:root[data-theme="dark"] .explain, :root[data-theme="dark"] .result-item .explain { background: #202126; color: var(--text); }
.exam-size { border-radius: 10px; overflow: hidden; }
.exam-size button.on { background: var(--ink); color: var(--card); }
.submit-bar { background: color-mix(in srgb, var(--card) 92%, transparent); backdrop-filter: blur(6px); }
.bookmark-btn.active, .bookmark-btn.active svg { color: #D97706; fill: #D97706; }

/* 채점 결과 */
.score-summary { border-radius: 20px; padding: 36px; }
.score-summary .score { font-size: 48px; font-weight: 700; letter-spacing: -0.03em; }
.pass-badge.pass { background: var(--success-soft); color: var(--success); }
.pass-badge.fail { background: var(--danger-soft); color: var(--danger); }
.subject-grade-box { border-radius: 16px; }
.result-item.correct { border-left: none; box-shadow: inset 4px 0 0 var(--success); }
.result-item.wrong { border-left: none; box-shadow: inset 4px 0 0 var(--danger); }

/* 알림 · 빈 상태 · 푸터 */
.alert.success { background: var(--success-soft); }
.alert.error { background: var(--danger-soft); }
:root[data-theme="dark"] .alert.success { background: var(--success-soft); }
:root[data-theme="dark"] .alert.error { background: var(--danger-soft); }
.site-footer { border-top-color: var(--border); }
body.page-home .site-footer { background: #F7F7F9; }
:root[data-theme="dark"] body.page-home .site-footer { background: var(--bg); }

/* 좁은 폭에서 버튼 글자가 두 줄로 꺾이지 않게 */
.round-row .btn, .round-row a.btn { white-space: nowrap; flex-shrink: 0; }
/* 왼쪽 메뉴 스크롤바 — 다크모드에서 흰 줄로 튀지 않게 */
.rail { scrollbar-color: var(--border) transparent; }