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

:root {
  /* ----- 테마 색상 (admin.html에서 편집 · theme.js가 런타임에 덮어씀) ----- */
  --paper: #ffffff;   /* 페이지 배경 */
  --ink: #030303;     /* 기본 글자색 */
  --grey: #8a8a8a;    /* 보조 글자색 */
  --accent: #ff4d4d;  /* 강조색 */
  --panel: #0e0e0e;   /* 어두운 면 (카드 오버레이 · 플레이어) */

  /* ----- 위 5색에서 파생. 아래 값은 theme.js가 기본값으로 계산하는 것과 같다. ----- */
  --paper-rgb: 255, 255, 255;
  --ink-rgb: 3, 3, 3;
  --on-panel: #ffffff;
  --on-panel-rgb: 255, 255, 255;
  --on-accent: #ffffff;
  --ink-2: #2b2b2b;
  --ink-3: #565656;
  --ink-4: #ededed;
  --panel-2: #181818;
  --panel-deep: #0d0d0d;
  --line: rgba(3, 3, 3, 0.08);
  --line-strong: rgba(3, 3, 3, 0.25);
  --overlay: linear-gradient(180deg, rgba(14, 14, 14, 0) 40%, rgba(14, 14, 14, 0.78) 100%);

  --font-logo: 'Questrial', 'Nanum Gothic', sans-serif;
  --font-body: 'Noto Sans KR', Roboto, sans-serif;
  --maxw: 1440px;
  --pad: 48px;
}

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  overflow-x: hidden;
}

/* ---------- 로딩 오버레이 ---------- */
/* 데이터/렌더가 끝날 때까지 페이지를 덮는다. 준비되면 페이드아웃. */
#loader {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--paper);
  transition: opacity .5s ease;
}
#loader.hidden { opacity: 0; pointer-events: none; }

.loader-mark {
  font-family: var(--font-logo);
  font-size: 30px;
  letter-spacing: 0.5px;
  color: var(--ink);
  animation: loaderPulse 1.2s ease-in-out infinite;
}

.loader-logo {
  height: 52px;
  width: auto;
  max-width: 60vw;
  object-fit: contain;
  animation: loaderPulse 1.2s ease-in-out infinite;
}

@keyframes loaderPulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

/* ---------- 등장: 아래 → 위로 페이드인 (준비 완료 시 .in 부여) ---------- */
.reveal { opacity: 0; transform: translateY(28px); }
.reveal.in {
  opacity: 1;
  transform: none;
  transition: opacity .7s ease, transform .7s cubic-bezier(.2, .7, .3, 1);
}

@media (prefers-reduced-motion: reduce) {
  .loader-mark, .loader-logo { animation: none; }
  .reveal, .reveal.in { opacity: 1; transform: none; transition: none; }
}

body.modal-open { overflow: hidden; }

/* ---------- Header ---------- */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 26px var(--pad);
}

.logo {
  font-family: var(--font-logo);
  font-size: 26px;
  font-weight: 400;
  letter-spacing: 0.5px;
  color: var(--ink);
}

.logo.has-img { font-size: 0; }
.logo-img { display: block; height: 30px; width: auto; }

.main-nav a {
  color: var(--ink);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  margin-left: 36px;
  opacity: 0.6;
  transition: opacity .2s;
}

.main-nav a:hover,
.main-nav a.active {
  opacity: 1;
}

/* ---------- Filter bar (장르 태그, 기획서 4-1) ---------- */
.filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 4px var(--pad) 26px;
}

/* hidden 속성이 display:flex를 이기도록 */
.filter-bar[hidden] { display: none; }

/* ---------- 소개 텍스트 섹션 ---------- */
.intro {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 44px var(--pad) 56px;
}

.intro:empty { display: none; }

.intro-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 22px;
  text-align: center;
  color: var(--ink);
}

.intro-text { display: flex; flex-direction: column; }

.intro-line {
  font-size: 15px;
  line-height: 1.7;
}
.intro-line.spacer { height: 12px; line-height: 12px; }

.intro-social {
  display: flex;
  gap: 22px;
  margin-top: 2px;
}

.intro-social .social-link {
  display: inline-flex;
  width: 22px;
  height: 22px;
  color: var(--ink);
  transition: opacity .2s;
}
.intro-social .social-link:hover { opacity: 0.55; }
.intro-social svg { width: 100%; height: 100%; fill: currentColor; }

@media (max-width: 560px) {
  .intro { padding: 32px var(--pad) 40px; }
}

.filter-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-tag {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.3px;
  color: var(--grey);
  background: none;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 6px 14px;
  cursor: pointer;
  transition: color .18s, border-color .18s, background .18s;
}

.filter-tag:hover {
  color: var(--ink);
  border-color: var(--line-strong);
}

.filter-tag.active {
  color: var(--paper);
  background: var(--ink);
  border-color: var(--ink);
}

.filter-mode {
  flex-shrink: 0;
  font-family: var(--font-logo);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--grey);
  background: none;
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 5px 10px;
  cursor: pointer;
  transition: color .18s, border-color .18s;
}

.filter-mode:hover { color: var(--ink); border-color: var(--line-strong); }

.grid-empty {
  grid-column: 1 / -1;
  padding: 80px 40px;
  text-align: center;
  color: var(--grey);
  font-size: 14px;
}

/* ---------- Grid ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-flow: row dense;
  gap: 24px;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 8px var(--pad) 96px;
}

/* 확장 시 같은 행의 개별 카드가 늘어나지 않도록 상단 정렬 */
.tile { position: relative; align-self: start; }

/* 장기 프로젝트: 두 칸 너비 배너 (높이는 개별 카드와 동일) */
.tile.grouped { grid-column: 1 / -1; }

.card {
  position: relative;
  z-index: 1;
  aspect-ratio: 16 / 9;
  border-radius: 16px;
  overflow: hidden;
  cursor: pointer;
  background: var(--panel);
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
  transition: transform .35s cubic-bezier(.2,.7,.3,1), box-shadow .35s ease;
}

/* 두 칸 너비에서 개별 카드와 같은 높이가 되도록 넓은 비율 */
.tile.grouped .card { aspect-ratio: 4 / 1; }
.tile.grouped.open .card { border-bottom-left-radius: 0; border-bottom-right-radius: 0; }

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 22px 48px rgba(0,0,0,0.20);
}

/* 열려있는 배너는 리프트 애니메이션 없이 고정 */
.tile.grouped.open .card { transform: none; box-shadow: 0 1px 3px rgba(0,0,0,0.06); }

.card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .6s ease;
}

.card:hover img { transform: scale(1.06); }

.card-overlay {
  position: absolute;
  inset: 0;
  background: var(--overlay);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 20px 22px;
  opacity: 0;
  transition: opacity .3s ease;
}

.card:hover .card-overlay { opacity: 1; }

/* ---------- 장기 프로젝트 배너 템플릿 (트위터 헤더형) ---------- */
.card.banner { background: var(--paper); }

/* 이미지는 전체폭으로 깔아 하드 엣지 제거, 중요한 부분이 페이드 반대쪽에 오도록 정렬 */
/* 이미지는 한쪽 50%만 사용 (크롭 최소화). 나머지 절반은 흰 여백 + 텍스트. */
.card.banner .banner-img {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 50%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.card.banner.img-right .banner-img { right: 0; object-position: center; }
.card.banner.img-left .banner-img { left: 0; object-position: center; }
.card.banner:hover .banner-img { transform: scale(1.05); }

/* 50% 지점(이미지 시작)까지 완전 흰색 → 그 뒤로 부드럽게 사라짐 (경계 안 보이게) */
.banner-fade { position: absolute; inset: 0; pointer-events: none; }
/* 그라디언트는 알파 프리멀티플라이로 보간되므로 transparent가 회색으로 뜨지 않는다. */
.card.banner.img-right .banner-fade {
  background: linear-gradient(to right, var(--paper) 50%, transparent 78%);
}
.card.banner.img-left .banner-fade {
  background: linear-gradient(to left, var(--paper) 50%, transparent 78%);
}

/* 페이드 쪽 프로젝트명/로고 */
.banner-plate {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 50%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
  padding: 0 clamp(20px, 4%, 46px);
}
.card.banner.img-right .banner-plate { left: 0; align-items: flex-start; text-align: left; }
.card.banner.img-left .banner-plate { right: 0; align-items: flex-end; text-align: right; }

.banner-title {
  font-weight: 800;
  font-size: clamp(19px, 2.4vw, 30px);
  line-height: 1.12;
  letter-spacing: 0.2px;
  color: var(--ink);
}

.banner-tags {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.2px;
  color: var(--grey);
}

/* 회사명 아래 한 줄 설명(카드용) — 최대 2줄까지, 넘치면 말줄임 */
.banner-desc {
  margin-top: 2px;
  font-size: 12.5px;
  font-weight: 400;
  line-height: 1.4;
  color: var(--grey);
  max-width: 100%;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.banner-logo {
  max-width: 82%;
  max-height: 52%;
  object-fit: contain;
}

/* 배너에서는 시즌 뱃지를 이미지 쪽 상단으로 이동 (흰 배경에 묻히지 않게) */
.card.banner.img-right .season-badge { left: auto; right: 14px; }
.card.banner.img-left .season-badge { right: auto; left: 14px; }

.card-title {
  color: var(--on-panel);
  font-weight: 800;
  font-size: 16px;
  letter-spacing: 0.2px;
  line-height: 1.35;
}

.card-sub {
  color: rgba(var(--on-panel-rgb), 0.8);
  font-size: 12px;
  font-weight: 500;
  margin-top: 5px;
  letter-spacing: 0.3px;
}

/* 회사명 아래 한 줄 설명(개별 카드용) — 최대 2줄까지, 넘치면 말줄임 */
.card-desc {
  color: rgba(var(--on-panel-rgb), 0.65);
  font-size: 12px;
  font-weight: 400;
  margin-top: 4px;
  line-height: 1.4;
  letter-spacing: 0.2px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 시즌 개수 뱃지 */
.season-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(var(--paper-rgb), 0.94);
  color: var(--ink);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.4px;
  padding: 6px 11px;
  border-radius: 100px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.14);
}

/* ---------- 인라인 확장 (그 자리에서 위아래로 열림) ---------- */
.expander {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .45s cubic-bezier(.2,.7,.3,1);
}

.tile.grouped.open .expander { grid-template-rows: 1fr; }

.expander-inner { overflow: hidden; min-height: 0; }

.player-shell {
  background: var(--panel);
  border-radius: 0 0 16px 16px;
  overflow: hidden;
  box-shadow: 0 22px 48px rgba(0,0,0,0.22);
}

.player-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 22px;
}

.player-head h3 {
  color: var(--on-panel);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.2px;
}

.player-head .meta {
  margin-top: 4px;
  font-size: 12px;
  color: rgba(var(--on-panel-rgb), 0.55);
}

.player-collapse {
  flex-shrink: 0;
  font-size: 12px;
  font-weight: 600;
  color: rgba(var(--on-panel-rgb), 0.7);
  background: rgba(var(--on-panel-rgb), 0.08);
  border: none;
  border-radius: 100px;
  padding: 8px 15px;
  cursor: pointer;
  transition: background .2s, color .2s;
}

.player-collapse:hover { background: rgba(var(--on-panel-rgb), 0.16); color: var(--on-panel); }

/* 유튜브 플레이리스트형: 좌 영상 + 우 목록 */
.player {
  position: relative;
  background: var(--panel-deep);
}

.player-video {
  width: 63%;
  aspect-ratio: 16 / 9;
  background: var(--panel-deep);
}

.player-video iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

.player-list {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 37%;
  overflow-y: auto;
  background: var(--panel-2);
  border-left: 1px solid rgba(var(--on-panel-rgb), 0.06);
}

.pl-season {
  position: sticky;
  top: 0;
  padding: 12px 18px 8px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: rgba(var(--on-panel-rgb), 0.42);
  background: var(--panel-2);
  z-index: 1;
}

.pl-track {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 18px;
  cursor: pointer;
  color: rgba(var(--on-panel-rgb), 0.8);
  border-top: 1px solid rgba(var(--on-panel-rgb), 0.05);
  transition: background .15s, color .15s;
}

.pl-track:hover { background: rgba(var(--on-panel-rgb), 0.06); color: var(--on-panel); }

.pl-track.playing { background: rgba(var(--on-panel-rgb), 0.1); color: var(--on-panel); }

.pl-idx {
  width: 18px;
  flex-shrink: 0;
  text-align: center;
  font-size: 12px;
  color: rgba(var(--on-panel-rgb), 0.4);
}

.pl-track.playing .pl-idx { color: var(--accent); }

.pl-title {
  flex: 1;
  min-width: 0;
  font-size: 13px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.pl-dur {
  flex-shrink: 0;
  font-size: 11px;
  color: rgba(var(--on-panel-rgb), 0.4);
}

/* ---------- Scroll top ---------- */
.scroll-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: none;
  background: var(--ink);
  color: var(--paper);
  font-size: 18px;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s;
  z-index: 10;
}

.scroll-top.visible {
  opacity: 0.85;
  pointer-events: auto;
}

.scroll-top:hover { opacity: 1; }

/* ---------- Responsive ---------- */
@media (max-width: 1000px) {
  :root { --pad: 32px; }
  .grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  /* 2열에서는 두 칸 = 전체폭 배너 (aspect 11/3 유지로 높이 동일) */
}

@media (max-width: 720px) {
  /* 플레이어를 세로 스택으로: 영상 위 / 목록 아래 */
  .player-video { width: 100%; }
  .player-list {
    position: static;
    width: 100%;
    max-height: 240px;
    border-left: none;
    border-top: 1px solid rgba(var(--on-panel-rgb), 0.06);
  }
}

@media (max-width: 560px) {
  :root { --pad: 18px; }
  .site-header { padding: 18px var(--pad); }
  .main-nav a { margin-left: 20px; font-size: 13px; }
  .grid { grid-template-columns: 1fr; gap: 18px; padding-bottom: 64px; }
  .card-overlay { opacity: 1; }
  .card { aspect-ratio: 16 / 9; }
  /* 모바일에서도 장기 배너는 전체폭, 대신 조금 더 높게 */
  .tile.grouped .card { aspect-ratio: 2.4 / 1; }
  .tile.grouped .card-title { font-size: 17px; }
  .player-head h3 { font-size: 16px; }
}

/* ---------- Blog ---------- */
.blog-list {
  max-width: 920px;
  margin: 0 auto;
  padding: 44px var(--pad) 96px;
}

.blog-empty { padding: 60px 0; text-align: center; color: var(--grey); font-size: 14px; }

.blog-item {
  display: flex;
  gap: 24px;
  padding: 24px 0;
  border-top: 1px solid var(--line);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}
.blog-list .blog-item:last-child { border-bottom: 1px solid var(--line); }

.blog-thumb {
  width: 220px;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 10px;
  flex-shrink: 0;
  background: var(--ink-4);
}

.blog-body { flex: 1; min-width: 0; }
.blog-date { font-size: 12px; color: var(--grey); letter-spacing: 0.3px; }
.blog-title { font-size: 20px; font-weight: 800; line-height: 1.3; margin: 5px 0 8px; }
.blog-item:hover .blog-title { text-decoration: underline; }
.blog-excerpt {
  font-size: 14px;
  color: var(--ink-3);
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.blog-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 12px; }
.blog-tag { font-size: 11px; color: var(--grey); border: 1px solid var(--line); border-radius: 20px; padding: 3px 10px; }

/* 글 상세 — 첨부 레퍼런스 느낌 (큰 제목 · 회색 부제 · 구분선 · 양쪽정렬 본문) */
.post { max-width: 760px; margin: 0 auto; padding: 28px var(--pad) 120px; }
.post-back { display: inline-block; font-size: 13px; color: var(--grey); text-decoration: none; margin-bottom: 26px; }
.post-back:hover { color: var(--ink); }
.post-cover { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 14px; margin-bottom: 26px; background: var(--ink-4); }
.post-title { font-size: 42px; font-weight: 800; line-height: 1.18; letter-spacing: -0.3px; }
.post-subtitle { font-size: 18px; color: var(--grey); line-height: 1.5; margin-top: 14px; }
.post-meta { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; font-size: 13px; color: var(--grey); margin-top: 16px; }
.post-meta .blog-tags { margin-top: 0; }
.post-divider { border: none; border-top: 1px solid var(--line); margin: 26px 0 8px; }

.post-content {
  font-size: 16px;
  line-height: 2;
  color: var(--ink-2);
  margin-top: 26px;
  text-align: justify;
  word-break: keep-all;
}
.post-content > *:first-child { margin-top: 0; }
.post-content h2 { font-size: 22px; font-weight: 800; margin: 38px 0 12px; text-align: left; }
.post-content h3 { font-size: 18px; font-weight: 700; margin: 30px 0 10px; text-align: left; }
.post-content h4 { font-size: 16px; font-weight: 700; margin: 24px 0 8px; text-align: left; }
.post-content p { margin: 18px 0; text-indent: 1em; }
.post-content ul, .post-content ol { margin: 14px 0; padding-left: 22px; }
.post-content li { margin: 6px 0; }
.post-content a { color: var(--ink); text-decoration: underline; text-underline-offset: 2px; }
.post-content blockquote {
  margin: 18px 0;
  padding: 6px 18px;
  border-left: 3px solid var(--ink);
  color: var(--ink-3);
  font-style: italic;
}
.post-content code {
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: 0.88em;
  background: rgba(var(--ink-rgb), 0.06);
  padding: 2px 6px;
  border-radius: 4px;
}
.post-content hr { border: none; border-top: 1px solid var(--line); margin: 30px 0; }
.post-content img.post-img { max-width: 100%; border-radius: 10px; margin: 18px 0; }

@media (max-width: 640px) {
  .blog-item { flex-direction: column; gap: 12px; }
  .blog-thumb { width: 100%; }
  .post-title { font-size: 26px; }
}