/* =====================================================================
   AIC Marketing — 테마/디자인 시스템
   색을 바꾸려면 :root 의 변수 또는 [data-accent] 프리셋만 수정하면 됩니다.
   ===================================================================== */
:root {
  --bg: #ffffff;
  --bg-soft: #f7f6f3;
  --bg-elev: #ffffff;
  --text: #37352f;
  --text-soft: #6b6b6b;
  --muted: #9b9a97;
  --border: #ebeae8;
  --border-strong: #e0dfdb;
  --accent: #2383e2;
  --accent-soft: #e7f0fb;
  --accent-ink: #ffffff;
  --danger: #e03e3e;
  --green: #0f7b41;
  --amber: #b9770e;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px rgba(15,15,15,.06), 0 2px 8px rgba(15,15,15,.05);
  --shadow: 0 4px 14px rgba(15,15,15,.10), 0 1px 3px rgba(15,15,15,.07);
  --shadow-lg: 0 18px 50px rgba(15,15,15,.18);
}
/* 강조색 프리셋 — data-accent 로 전환 */
[data-accent="violet"] { --accent:#7c5cff; --accent-soft:#efe9ff; }
[data-accent="green"]  { --accent:#12a150; --accent-soft:#e3f5ea; }
[data-accent="rose"]   { --accent:#f43f7f; --accent-soft:#fde6ee; }
[data-accent="amber"]  { --accent:#e8920c; --accent-soft:#fdf0db; }
[data-accent="slate"]  { --accent:#3d4451; --accent-soft:#eceef1; }

/* 다크 모드 */
[data-theme="dark"] {
  --bg:#191919; --bg-soft:#202020; --bg-elev:#242424;
  --text:#e9e9e7; --text-soft:#b9b9b6; --muted:#7e7e7a;
  --border:#363533; --border-strong:#454442;
  --accent-soft:#22303f;
  --shadow-sm:0 1px 2px rgba(0,0,0,.4); --shadow:0 6px 20px rgba(0,0,0,.45);
  --shadow-lg:0 20px 60px rgba(0,0,0,.6);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Apple SD Gothic Neo",
    "Pretendard", Roboto, "Malgun Gothic", sans-serif;
  color: var(--text); background: var(--bg); line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background .2s, color .2s;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.muted { color: var(--muted); }
.hidden { display: none !important; }

/* ---- Top bar ---- */
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 12px;
  padding: 12px 22px; background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--border);
}
.topbar .brand { font-weight: 800; font-size: 15px; letter-spacing: -.2px; }
.topbar .spacer { flex: 1; }
.topbar .who { color: var(--text-soft); font-size: 13px; }

/* 테마 컨트롤 */
.theme-ctl { display: inline-flex; align-items: center; gap: 8px; }
.dots { display: inline-flex; gap: 5px; }
.dot { width: 16px; height: 16px; border-radius: 50%; cursor: pointer; border: 2px solid transparent; }
.dot:hover { transform: scale(1.12); }
.dot.sel { border-color: var(--text-soft); }
.theme-toggle { border: none; background: none; cursor: pointer; font-size: 17px; line-height: 1; padding: 2px 4px; }

/* ---- Layout ---- */
.wrap { max-width: 820px; margin: 0 auto; padding: 40px 24px 96px; }
.page-title { font-size: 33px; font-weight: 800; letter-spacing: -.6px; margin: 0 0 6px; color: var(--text); }
@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  .page-title {
    background-image: linear-gradient(92deg, var(--text) 35%, var(--accent));
    -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  }
}
.page-sub { color: var(--text-soft); margin: 0 0 26px; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; gap: 6px; font: inherit; font-size: 14px; font-weight: 500;
  padding: 8px 14px; border-radius: 8px; border: 1px solid var(--border-strong);
  background: var(--bg-elev); color: var(--text); cursor: pointer;
  transition: background .12s, border-color .12s, transform .05s;
}
.btn:hover { background: var(--bg-soft); }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { filter: brightness(.94); background: var(--accent); }
.btn.danger { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 35%, var(--border)); }
.btn.danger:hover { background: color-mix(in srgb, var(--danger) 10%, var(--bg)); }
.btn.small { padding: 5px 10px; font-size: 13px; }
.btn:disabled { opacity: .55; cursor: default; }

/* ---- Auth ---- */
.auth-card {
  max-width: 410px; margin: 8vh auto; padding: 34px; background: var(--bg-elev);
  border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow);
}
.auth-logo { font-size: 22px; font-weight: 800; text-align: center; margin-bottom: 4px; }
.auth-tag { text-align: center; color: var(--text-soft); margin-bottom: 24px; font-size: 14px; }
.tabs { display: flex; gap: 4px; background: var(--bg-soft); padding: 4px; border-radius: 10px; margin-bottom: 20px; }
.tab { flex: 1; text-align: center; padding: 8px; border-radius: 7px; cursor: pointer; font-size: 14px; color: var(--text-soft); }
.tab.active { background: var(--bg-elev); color: var(--text); font-weight: 600; box-shadow: var(--shadow-sm); }

label.field { display: block; margin-bottom: 14px; font-size: 13px; color: var(--text-soft); }
label.field input {
  display: block; width: 100%; margin-top: 6px; padding: 11px 13px; font: inherit; font-size: 15px;
  color: var(--text); border: 1px solid var(--border-strong); border-radius: 8px; background: var(--bg-soft);
}
label.field input:focus { outline: none; border-color: var(--accent); background: var(--bg-elev); }
.form-msg { min-height: 20px; font-size: 13px; color: var(--danger); margin: 4px 0 12px; }
.form-msg.ok { color: var(--green); }
.full { width: 100%; justify-content: center; }

.notice { text-align: center; padding: 12px; }
.badge { display: inline-block; padding: 3px 11px; border-radius: 999px; font-size: 12.5px; font-weight: 600; }
.badge.pending { background: #fbf3e0; color: var(--amber); }
.badge.approved { background: #e3f3ea; color: var(--green); }
.badge.rejected { background: #fdecec; color: var(--danger); }
.badge.admin { background: var(--accent-soft); color: var(--accent); }
.badge.member { background: var(--bg-soft); color: var(--text-soft); }

/* phone */
.field-block { margin-bottom: 12px; }
.field-label { font-size: 13px; color: var(--text-soft); margin-bottom: 6px; }
.phone-row { display: flex; align-items: center; gap: 8px; }
.phone-prefix { padding: 11px 14px; background: var(--bg-soft); border: 1px solid var(--border-strong); border-radius: 8px; font-size: 15px; color: var(--text-soft); white-space: nowrap; }
.phone-dash { color: var(--muted); }
.phone-part { flex: 1; width: 100%; min-width: 0; padding: 11px 12px; font: inherit; font-size: 15px; color: var(--text); text-align: center; letter-spacing: 2px; border: 1px solid var(--border-strong); border-radius: 8px; background: var(--bg-soft); }
.phone-part:focus { outline: none; border-color: var(--accent); background: var(--bg-elev); }
.phone-row.disabled { opacity: .4; }
.checkbox-row { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--text); margin: 4px 0 6px; cursor: pointer; }
.checkbox-row input { width: 16px; height: 16px; accent-color: var(--accent); }
.hint { font-size: 12.5px; color: var(--muted); margin: 0 0 14px; line-height: 1.5; }

/* 아이디/비밀번호 찾기 */
.find-links { display: flex; gap: 10px; justify-content: center; align-items: center; margin-top: 16px; font-size: 13px; }
.find-links a { color: var(--text-soft); }
.find-links span { color: var(--border-strong); }
.panel-title { font-size: 18px; font-weight: 700; margin: 2px 0 8px; }
.back-link { display: inline-block; margin-top: 16px; font-size: 13px; color: var(--text-soft); }

/* 2단계 인증 */
.qr-box { display: flex; justify-content: center; padding: 14px; background: #fff; border: 1px solid var(--border); border-radius: 12px; margin: 12px 0; }
.qr-box svg, .qr-box img { width: 200px; height: 200px; }
.secret { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; background: var(--bg-soft); padding: 8px 12px; border-radius: 8px; word-break: break-all; font-size: 13px; text-align: center; color: var(--text); }
.otp-input { letter-spacing: 6px; text-align: center; font-size: 20px !important; }

/* On/Off 토글 스위치 */
.toggle-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.switch { position: relative; display: inline-block; width: 50px; height: 28px; flex: none; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch .slider { position: absolute; cursor: pointer; inset: 0; background: var(--border-strong); border-radius: 999px; transition: .2s; }
.switch .slider:before { content: ""; position: absolute; height: 22px; width: 22px; left: 3px; top: 3px; background: #fff; border-radius: 50%; transition: .2s; box-shadow: 0 1px 3px rgba(0,0,0,.3); }
.switch input:checked + .slider { background: var(--accent); }
.switch input:checked + .slider:before { transform: translateX(22px); }

/* 회원가입 동의 내용 */
.consent-box {
  max-height: 160px; overflow-y: auto; padding: 12px 14px; margin: 4px 0 10px;
  border: 1px solid var(--border-strong); border-radius: 8px; background: var(--bg-soft);
  font-size: 13px; line-height: 1.6; color: var(--text-soft); white-space: pre-wrap;
}

/* 상단 카테고리 탭 */
.cat-tabs { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 18px; }
.cat-tab { font: inherit; font-size: 14px; font-weight: 600; padding: 7px 14px; border-radius: 999px; border: 1px solid var(--border-strong); background: var(--bg-elev); color: var(--text-soft); cursor: pointer; transition: background .12s, color .12s, border-color .12s; }
.cat-tab:hover { background: var(--bg-soft); }
.cat-tab.active { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }

/* 글 카드 카테고리 배지 */
.cat-badge { display: inline-block; font-size: 11.5px; font-weight: 700; color: var(--accent); background: var(--accent-soft); padding: 1px 8px; border-radius: 999px; margin-bottom: 4px; }

/* 에디터 카테고리 선택 */
.editor-cat-row { display: flex; align-items: center; gap: 8px; margin: 0 0 10px; flex: none; }
.editor-cat-label { font-size: 13px; color: var(--text-soft); }
.editor-cat { font: inherit; font-size: 14px; padding: 7px 10px; border: 1px solid var(--border-strong); border-radius: 8px; background: var(--bg-soft); color: var(--text); }

/* 첨부 파일 다운로드 카드 */
.ne-content a.ne-file { display: inline-flex; align-items: center; gap: 10px; max-width: 100%; padding: 11px 15px; margin: 10px 0; border: 1px solid var(--border-strong); border-radius: 10px; background: var(--bg-soft); text-decoration: none; color: var(--text); }
.ne-content a.ne-file:hover { border-color: var(--accent); background: var(--accent-soft); }
.ne-file-ic { font-size: 19px; flex: none; }
.ne-file-name { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ne-file-dl { margin-left: auto; flex: none; font-size: 13px; color: var(--accent); font-weight: 700; white-space: nowrap; }

/* 관리자 카테고리 편집 행 */
.cat-row { display: flex; align-items: center; gap: 6px; margin-bottom: 8px; }
.cat-row .cat-name { flex: 1; min-width: 0; font: inherit; font-size: 14px; padding: 8px 10px; border: 1px solid var(--border-strong); border-radius: 8px; background: var(--bg-soft); color: var(--text); }

/* ---- Board list ---- */
.toolbar { display: flex; align-items: center; margin-bottom: 16px; }
.post-card {
  display: flex; gap: 14px; align-items: flex-start; padding: 16px 18px; background: var(--bg-elev);
  border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 10px; cursor: pointer;
  transition: background .12s, box-shadow .12s, transform .06s;
}
.post-card:hover { background: var(--bg-soft); box-shadow: var(--shadow-sm); transform: translateY(-1px); }
.post-card .ic { font-size: 22px; line-height: 1.2; }
.post-card .body { min-width: 0; flex: 1; }
.post-card h3 { margin: 0 0 3px; font-size: 17px; font-weight: 600; }
.post-card .excerpt { color: var(--text-soft); font-size: 13.5px; margin: 0 0 6px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.post-meta { font-size: 12.5px; color: var(--muted); }

/* ---- Modal ---- */
.modal-bg { position: fixed; inset: 0; z-index: 40; display: none; align-items: stretch; justify-content: center; background: rgba(15,15,15,.5); padding: 14px; }
.modal-bg.open { display: flex; }
.modal { width: 100%; max-width: none; background: var(--bg-elev); border: 1px solid var(--border); border-radius: 14px; box-shadow: var(--shadow-lg); padding: 18px 22px; display: flex; flex-direction: column; max-height: 100%; }
.modal-head { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; flex: none; }
.modal-head h2 { margin: 0; font-size: 20px; flex: 1; }
.icon-btn { border: none; background: none; font-size: 22px; line-height: 1; cursor: pointer; color: var(--muted); }
.icon-btn:hover { color: var(--text); }
.editor-title { width: 100%; font-size: 26px; font-weight: 800; border: none; outline: none; padding: 2px 0; margin-bottom: 6px; font-family: inherit; color: var(--text); background: transparent; flex: none; }
.editor-title::placeholder { color: var(--muted); }
.modal-foot { display: flex; justify-content: flex-end; gap: 8px; margin-top: 14px; flex: none; }

/* ---- NoteEditor ---- */
.ne-wrap { border: 1px solid var(--border-strong); border-radius: 12px; overflow: hidden; background: var(--bg-elev); flex: 1 1 auto; min-height: 0; display: flex; flex-direction: column; }
.ne-toolbar { position: sticky; top: 0; display: flex; flex-wrap: wrap; align-items: center; gap: 2px; padding: 7px 8px; background: var(--bg-soft); border-bottom: 1px solid var(--border); z-index: 2; flex: none; }
.ne-btn { border: 1px solid transparent; background: none; min-width: 30px; height: 30px; padding: 0 8px; border-radius: 7px; cursor: pointer; font-size: 14px; color: var(--text-soft); font-weight: 600; }
.ne-btn:hover { background: var(--bg-elev); border-color: var(--border); color: var(--text); }
.ne-sep { width: 1px; height: 18px; background: var(--border-strong); margin: 0 5px; }
.ne-area { flex: 1 1 auto; min-height: 0; overflow-y: auto; padding: 16px 18px; outline: none; }
.ne-area[data-placeholder]:empty:before { content: attr(data-placeholder); color: var(--muted); }
.ne-uploading { padding: 8px 18px; font-size: 13px; color: var(--accent); background: var(--accent-soft); }

/* 본문 콘텐츠(에디터+읽기 공용) */
.ne-content { font-size: 16px; line-height: 1.7; word-break: break-word; }
.ne-content h1 { font-size: 26px; font-weight: 800; margin: 18px 0 8px; }
.ne-content h2 { font-size: 22px; font-weight: 700; margin: 16px 0 6px; }
.ne-content h3 { font-size: 18px; font-weight: 700; margin: 14px 0 6px; }
.ne-content p { margin: 6px 0; }
.ne-content a { text-decoration: underline; }
.ne-content blockquote { border-left: 3px solid var(--accent); margin: 10px 0; padding: 2px 0 2px 14px; color: var(--text-soft); }
.ne-content ul, .ne-content ol { padding-left: 24px; margin: 6px 0; }
.ne-content hr.ne-hr, .ne-content hr { border: none; border-top: 1px solid var(--border-strong); margin: 18px 0; }
.ne-content code.ne-ic { background: var(--bg-soft); border: 1px solid var(--border); border-radius: 5px; padding: 1px 6px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .9em; }
.ne-content pre.ne-code { background: #1e1e1e; color: #e6e6e6; border-radius: 10px; padding: 14px 16px; overflow-x: auto; margin: 12px 0; }
.ne-content pre.ne-code code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13.5px; white-space: pre; }
.ne-content img.ne-img, .ne-content img { max-width: 100%; border-radius: 10px; margin: 10px 0; display: block; }
.ne-content video.ne-video, .ne-content video { width: 100%; border-radius: 10px; margin: 10px 0; background: #000; }
.ne-content .ne-embed { position: relative; width: 100%; padding-top: 56.25%; margin: 12px 0; border-radius: 10px; overflow: hidden; background: #000; }
.ne-content .ne-embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.ne-content ul.ne-todo { list-style: none; padding-left: 4px; }
.ne-content ul.ne-todo li { display: flex; align-items: flex-start; gap: 8px; margin: 4px 0; }
.ne-content ul.ne-todo .ne-check { flex: none; width: 19px; height: 19px; margin-top: 2px; border: 2px solid var(--border-strong); border-radius: 5px; cursor: pointer; }
.ne-content ul.ne-todo li.done .ne-check { background: var(--accent); border-color: var(--accent); position: relative; }
.ne-content ul.ne-todo li.done .ne-check:after { content: "✓"; color: #fff; font-size: 13px; position: absolute; left: 2px; top: -2px; }
.ne-content ul.ne-todo li.done > span:last-child { color: var(--muted); text-decoration: line-through; }

.reader-meta { font-size: 12.5px; color: var(--muted); margin-bottom: 8px; flex: none; }

/* 읽기(학습) 진행률 + 레이아웃 */
.read-progress { height: 3px; background: var(--border); border-radius: 999px; margin: 0 0 8px; overflow: hidden; flex: none; }
.read-progress span { display: block; height: 100%; width: 0; background: var(--accent); transition: width .08s linear; }

.reader-body { flex: 1 1 auto; min-height: 0; overflow-y: auto; display: flex; flex-direction: row; gap: 30px; justify-content: center; padding: 4px 2px 10px; }

.reader-toc { position: sticky; top: 0; width: 230px; flex: none; align-self: flex-start; max-height: 100%; overflow-y: auto; font-size: 13px; }
.reader-toc .toc-title { font-weight: 700; color: var(--text-soft); margin-bottom: 8px; }
.reader-toc nav { display: flex; flex-direction: column; border-left: 2px solid var(--border); }
.reader-toc a { display: block; padding: 5px 12px; color: var(--text-soft); border-left: 2px solid transparent; margin-left: -2px; line-height: 1.4; }
.reader-toc a:hover { color: var(--accent); border-left-color: var(--accent); text-decoration: none; }
.reader-toc a.toc-h2 { padding-left: 22px; }
.reader-toc a.toc-h3 { padding-left: 34px; font-size: 12.5px; opacity: .9; }

.reader-content { width: 100%; max-width: 760px; flex: 0 1 760px; }
.reader-content.ne-content { font-size: 17px; line-height: 1.85; }
.reader-content.ne-content h1 { font-size: 28px; margin: 28px 0 10px; }
.reader-content.ne-content h2 { font-size: 23px; margin: 26px 0 8px; }
.reader-content.ne-content h3 { font-size: 19px; margin: 20px 0 6px; }
.reader-content.ne-content p { margin: 11px 0; }
.reader-content.ne-content ul, .reader-content.ne-content ol { margin: 11px 0; }
.reader-content.ne-content .ne-embed, .reader-content.ne-content video { margin: 20px 0; box-shadow: var(--shadow); }
.reader-content.ne-content img { box-shadow: var(--shadow-sm); }

@media (max-width: 920px) {
  .reader-body { flex-direction: column; gap: 14px; }
  .reader-toc { position: static; width: auto; max-height: 30vh; border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; background: var(--bg-soft); }
  .reader-content { max-width: none; flex: 1 1 auto; }
}

/* ---- Admin ---- */
.section-title { font-size: 13px; font-weight: 700; color: var(--text-soft); text-transform: uppercase; letter-spacing: .4px; margin: 28px 0 10px; }
.member-row { display: flex; align-items: center; gap: 12px; padding: 12px 14px; background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 8px; }
.member-row .info { flex: 1; min-width: 0; }
.member-row .name { font-weight: 600; }
.member-row .email { font-size: 13px; color: var(--muted); }
.member-row .actions { display: flex; gap: 6px; flex-wrap: wrap; }
.count-pill { background: var(--bg-soft); border-radius: 999px; padding: 1px 9px; font-size: 12px; color: var(--text-soft); margin-left: 6px; }

/* ---- 공통 푸터 ---- */
.site-footer { text-align: center; padding: 40px 16px 48px; margin-top: 48px; border-top: 1px solid var(--border); }
.site-footer .footer-brand { font-weight: 800; color: var(--text-soft); letter-spacing: .5px; }
.site-footer .footer-sub { font-size: 13px; color: var(--muted); margin-top: 4px; }
.site-footer .footer-link { display: inline-block; margin-top: 6px; font-size: 13px; color: var(--accent); }

/* ---- 광고 슬롯 ---- */
.ad-slot { margin: 18px 0; }
.ad-slot:not(.ad-shown) { display: none; }
.ad-slot.ad-shown { border: 1px dashed var(--border-strong); border-radius: 12px; padding: 14px 10px 10px; text-align: center; position: relative; }
.ad-slot.ad-shown::before { content: "AD"; position: absolute; top: 5px; left: 10px; font-size: 10px; font-weight: 700; color: var(--muted); letter-spacing: 1px; }
.ad-slot img { max-width: 100%; border-radius: 8px; vertical-align: middle; }
.ad-slot a { word-break: break-all; }

/* ---- 관리자 설정 폼 ---- */
.settings-box { background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; margin-bottom: 16px; }
.settings-box .lbl { font-weight: 700; font-size: 14px; margin-bottom: 4px; }
.settings-box textarea, .settings-box input {
  width: 100%; font: inherit; font-size: 14px; color: var(--text);
  padding: 10px 12px; border: 1px solid var(--border-strong); border-radius: 8px;
  background: var(--bg-soft); margin-bottom: 8px;
}
.settings-box textarea { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; resize: vertical; }
.settings-box textarea:focus, .settings-box input:focus { outline: none; border-color: var(--accent); background: var(--bg-elev); }
.ad-edit { border-top: 1px dashed var(--border); padding-top: 14px; margin-top: 14px; }

/* ---- 콜아웃 ---- */
.ne-content .ne-callout { display: flex; gap: 10px; align-items: flex-start; background: var(--accent-soft); border-radius: 10px; padding: 12px 14px; margin: 12px 0; }
.ne-content .ne-callout-ic { font-size: 18px; line-height: 1.5; }
.ne-content .ne-callout > div { flex: 1; }

@media (max-width: 560px) {
  .wrap { padding: 28px 16px 80px; }
  .page-title { font-size: 26px; }
  .member-row { flex-wrap: wrap; }
  .modal-bg { padding: 8px; }
  .modal { padding: 14px 14px; border-radius: 12px; }
  .editor-title { font-size: 22px; }
}