/* =========================================================
   SNACK & GARDEN EDU — 팀 교육 (스낵큐레이션 · 가든 · 총무지원)
   게임즈 가든 UI 톤: Kakao Big Sans · 라이트 기본(시스템 다크 따라감) · 라임 accent · 클린 카드
   ========================================================= */

@font-face { font-family: "Kakao Big Sans"; font-weight: 400; font-display: swap; src: url("../fonts/KakaoBigSans-Regular.woff2") format("woff2"); }
@font-face { font-family: "Kakao Big Sans"; font-weight: 700; font-display: swap; src: url("../fonts/KakaoBigSans-Bold.woff2") format("woff2"); }
@font-face { font-family: "Kakao Big Sans"; font-weight: 800 900; font-display: swap; src: url("../fonts/KakaoBigSans-ExtraBold.woff2") format("woff2"); }

:root {
  --bg:        #f4f5f1;
  --panel:     #ffffff;
  --panel-2:   #eef0ea;
  --card-bg:   #ffffff;
  --line:      #e2e3dd;
  --line-soft: #ecede7;

  --ink:       #16160f;
  --ink-2:     #55554d;
  --ink-3:     #8f8f85;

  --accent:      #bff000;
  --accent-text: #5c7a08;
  --accent-ink:  #14160a;

  --green: #16a34a;
  --red:   #dc2f28;
  --amber: #b7791f;
  --slate: #64748b;

  --shadow: 0 14px 40px rgba(20,22,10,.10);
  --font: "Kakao Big Sans", "Pretendard", system-ui, -apple-system, "Malgun Gothic", sans-serif;
  --mono: var(--font);
  --r-sm: 8px;
  --r:    12px;
  --r-lg: 18px;
  --side-w: 240px;
  --ease-out: cubic-bezier(.23,1,.32,1);

  color-scheme: light;
}
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) {
  --bg: #0a0a0b; --panel: #0f0f10; --panel-2: #151517; --card-bg: #131315; --line: #232326; --line-soft: #1a1a1c;
  --ink: #f4f4f5; --ink-2: #a1a1a6; --ink-3: #6b6b70;
  --accent: #c6ff2e; --accent-text: #c6ff2e; --accent-ink: #0a0a0b;
  --green: #4ade80; --red: #ff5a52; --amber: #f0b429; --slate: #9aa3b2;
  --shadow: 0 14px 40px rgba(0,0,0,.4); color-scheme: dark;
} }
:root[data-theme="dark"] {
  --bg: #0a0a0b; --panel: #0f0f10; --panel-2: #151517; --card-bg: #131315; --line: #232326; --line-soft: #1a1a1c;
  --ink: #f4f4f5; --ink-2: #a1a1a6; --ink-3: #6b6b70;
  --accent: #c6ff2e; --accent-text: #c6ff2e; --accent-ink: #0a0a0b;
  --green: #4ade80; --red: #ff5a52; --amber: #f0b429; --slate: #9aa3b2;
  --shadow: 0 14px 40px rgba(0,0,0,.4); color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  font-size: 14px;
  line-height: 1.5;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }
input, select, textarea { font-family: inherit; }
::selection { background: var(--accent); color: var(--accent-ink); }
:focus-visible { outline: 2px solid var(--accent-text); outline-offset: 2px; }
.mono { font-variant-numeric: tabular-nums; }
[hidden] { display: none !important; }

/* ---------------- LOCK SCREEN (관리자 PIN) ---------------- */
.lock { position: fixed; inset: 0; z-index: 999; display: flex; align-items: center; justify-content: center; background: var(--bg); }
html[data-authed="1"] .lock { display: none; }
.lock__card { text-align: center; padding: 40px; width: min(320px, 86vw); }
.lock__brand { font-weight: 800; font-size: 21px; letter-spacing: -.5px; margin-bottom: 32px; }
.lock__brand em { color: var(--accent-text); font-style: normal; }
.lock__label { color: var(--ink-3); font-size: 13px; margin: 0 0 22px; }
.lock__dots { position: relative; display: flex; gap: 16px; justify-content: center; }
.lock__dots.is-shake { animation: lockShake .4s; }
.lock__dot { width: 16px; height: 16px; border-radius: 50%; border: 2px solid var(--line); transition: background .12s, border-color .12s, transform .12s; }
.lock__dot.is-filled { background: var(--accent); border-color: var(--accent); transform: scale(1.08); }
.lock__input { position: absolute; inset: -14px 0 auto 0; height: 44px; width: 100%; opacity: 0; border: none; outline: none; padding: 0; }
.lock__error { color: var(--red); font-size: 12px; margin: 18px 0 0; min-height: 15px; }
@keyframes lockShake { 0%,100% { transform: translateX(0); } 20% { transform: translateX(-8px); } 40% { transform: translateX(8px); } 60% { transform: translateX(-6px); } 80% { transform: translateX(6px); } }

/* ---------------- LAYOUT / SIDEBAR (게임즈 가든과 같은 틀) ---------------- */
.layout { display: none; grid-template-columns: var(--side-w) minmax(0,1fr); min-height: 100vh; }
html[data-authed="1"] .layout { display: grid; }

.side { background: var(--panel); border-right: 1px solid var(--line-soft); display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh; }
.brand { padding: 22px 22px 18px; display: flex; flex-direction: column; gap: 2px; border-bottom: 1px solid var(--line-soft); }
.brand b { font-size: 15px; font-weight: 800; letter-spacing: .2px; }
.brand b em, .m-brand em, .lock__brand em { color: var(--accent-text); font-style: normal; margin: 0 1px; }
.brand span { font-size: 10.5px; letter-spacing: 1.2px; color: var(--ink-3); }

.nav { flex: 1; overflow-y: auto; padding: 14px 12px; display: flex; flex-direction: column; gap: 2px; }
.nav h6 { margin: 14px 10px 6px; font-size: 10px; font-weight: 700; letter-spacing: 1.3px; color: var(--ink-3); }
.nav a { display: flex; align-items: center; gap: 10px; width: 100%; padding: 9px 10px; border-radius: var(--r-sm); color: var(--ink-2); cursor: pointer; transition: background .15s ease, color .15s ease; }
.nav a:hover { background: var(--panel-2); color: var(--ink); }
.nav a[aria-current="page"] { background: var(--panel-2); color: var(--ink); font-weight: 700; }
.nav a svg { width: 16px; height: 16px; flex: none; stroke: currentColor; fill: none; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.nav .sm { display: none; }
.nav .count { margin-left: auto; font-style: normal; font-size: 11px; color: var(--ink-3); font-variant-numeric: tabular-nums; }
.nav .soon { margin-left: auto; font-style: normal; font-size: 10px; font-weight: 700; color: var(--ink-3); background: var(--panel-2); border-radius: 999px; padding: 2px 7px; }
.nav a[aria-current="page"] .soon { background: var(--line-soft); }
.nav__item--disabled { opacity: .45; cursor: not-allowed; }

.side__foot { padding: 13px 22px; border-top: 1px solid var(--line-soft); font-size: 10.5px; letter-spacing: .5px; color: var(--ink-3); display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.side__foot .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 8px var(--accent); }
.side__foot .admin-who { margin-left: auto; color: var(--ink-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.side__foot .admin-logout { background: transparent; border: 1px solid var(--line); color: var(--ink-3); border-radius: var(--r-sm); padding: 3px 8px; font-size: 10px; letter-spacing: .5px; cursor: pointer; flex-shrink: 0; }
.side__foot .admin-logout:hover { border-color: var(--ink-3); color: var(--ink); }

/* ---------------- TOPBAR ---------------- */
.main { display: flex; flex-direction: column; min-width: 0; }
.topbar { display: flex; align-items: center; gap: 10px; padding: 22px 28px 0; }
.topbar__crumb { margin: 0; flex: 1; font-size: 11px; letter-spacing: 1px; color: var(--ink-3); }
.topbar__right { display: flex; align-items: center; gap: 10px; }
.m-brand { display: none; font-size: 15px; font-weight: 800; letter-spacing: .2px; }
.theme-toggle { display: flex; align-items: center; gap: 7px; border: 1px solid var(--line); background: var(--panel-2); color: var(--ink-2); border-radius: var(--r-sm); padding: 8px 11px; cursor: pointer; font-size: 10.5px; letter-spacing: 1px; }
.theme-toggle .knob { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); }

.wrap { max-width: 1040px; margin: 0 auto; padding: 28px; }

/* ---------------- BUTTONS ---------------- */
.btn { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--line); background: var(--panel-2); color: var(--ink); border-radius: var(--r-sm); padding: 9px 16px; font-size: 13px; font-weight: 600; cursor: pointer; transition: transform .08s, border-color .12s; }
.btn:hover { border-color: var(--ink-3); }
.btn:active { transform: scale(.98); }
.btn--primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn--danger { color: var(--red); border-color: var(--red); background: transparent; }
.btn--ghost { background: transparent; }
.btn--sm { padding: 6px 12px; font-size: 12px; }
.btn--lg { padding: 14px 22px; font-size: 15px; width: 100%; justify-content: center; }
.btn[disabled] { opacity: .45; cursor: not-allowed; }
.btn--disabled { opacity: .4; cursor: not-allowed; }

/* ---------------- PAGE HEAD ---------------- */
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 22px; flex-wrap: wrap; }
.eyebrow { font-family: var(--mono); font-size: 11px; letter-spacing: 1px; color: var(--ink-3); margin: 0 0 4px; text-transform: uppercase; }
.page-head h2 { margin: 0; font-size: 22px; letter-spacing: -.3px; }
.sub { color: var(--ink-2); font-size: 13px; margin: 6px 0 0; }

/* ---------------- SEGMENTED TABS (진행중 / 아카이브) ---------------- */
.seg { display: inline-flex; gap: 4px; padding: 4px; margin: 0 0 18px; background: var(--panel-2); border: 1px solid var(--line); border-radius: 999px; }
.seg__btn { font-family: inherit; font-size: 13px; font-weight: 600; color: var(--ink-2); background: transparent; border: 0; padding: 7px 15px; border-radius: 999px; cursor: pointer; display: inline-flex; align-items: center; gap: 7px; transition: background .12s, color .12s; }
.seg__btn:hover { color: var(--ink); }
.seg__btn.is-on { background: var(--card-bg); color: var(--ink); box-shadow: 0 1px 3px rgba(0,0,0,.18); }
.seg__n { font-family: var(--mono); font-size: 11px; line-height: 1; color: var(--ink-3); background: var(--line-soft); padding: 3px 7px; border-radius: 999px; }
.seg__btn.is-on .seg__n { color: var(--accent-text); }
.session-card--archived { opacity: .82; }
.session-card--archived:hover { opacity: 1; }

/* ---------------- SESSION CARDS ---------------- */
.session-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px; }
.session-card { background: var(--card-bg); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 20px; cursor: pointer; transition: border-color .12s, transform .1s; display: flex; flex-direction: column; gap: 12px; }
.session-card:hover { border-color: var(--accent); transform: translateY(-1px); }
.session-card__top { display: flex; align-items: center; justify-content: space-between; }
.session-card__date { font-family: var(--mono); font-size: 13px; color: var(--ink-3); }
.badge { font-family: var(--mono); font-size: 10px; letter-spacing: .5px; padding: 3px 8px; border-radius: 999px; border: 1px solid var(--line); color: var(--ink-2); }
.badge--done { color: var(--green); border-color: var(--green); }
.badge--live { color: var(--accent-text); border-color: var(--accent); }
.session-card__title { font-size: 16px; font-weight: 700; }
.session-card__cat { color: var(--ink-2); font-size: 12px; }
.session-card__progress { display: flex; align-items: center; gap: 10px; }
.progress-bar { flex: 1; height: 6px; border-radius: 999px; background: var(--line-soft); overflow: hidden; }
.progress-bar__fill { height: 100%; background: var(--accent); border-radius: 999px; }
.session-card__count { font-family: var(--mono); font-size: 12px; color: var(--ink-2); white-space: nowrap; }
.session-card__drive { align-self: flex-start; font-size: 11px; color: var(--ink-3); text-decoration: underline; cursor: pointer; }
.session-card__drive:hover { color: var(--accent-text); }

.empty { text-align: center; padding: 60px 20px; color: var(--ink-3); }
.empty b { color: var(--ink); }

/* ---------------- SESSION DETAIL ---------------- */
.detail-head { display: flex; align-items: center; gap: 8px; margin-bottom: 4px; }
.back-link { color: var(--ink-3); font-size: 12px; cursor: pointer; }
.back-link:hover { color: var(--ink); }
.stat-row { display: flex; gap: 12px; margin: 18px 0 22px; flex-wrap: wrap; }
.stat { background: var(--card-bg); border: 1px solid var(--line); border-radius: var(--r); padding: 14px 18px; min-width: 120px; }
.stat__label { font-size: 11px; color: var(--ink-3); font-family: var(--mono); letter-spacing: .5px; }
.stat__value { font-size: 22px; font-weight: 800; margin-top: 4px; }
.stat__value.accent { color: var(--accent-text); }

.share-box { display: flex; align-items: center; gap: 10px; background: var(--panel-2); border: 1px solid var(--line); border-radius: var(--r); padding: 12px 16px; margin-bottom: 22px; flex-wrap: wrap; }
.share-box input { flex: 1; min-width: 200px; background: transparent; border: none; color: var(--ink-2); font-family: var(--mono); font-size: 12px; outline: none; }
.qr-box { background: #fff; padding: 8px; border-radius: var(--r-sm); display: flex; }

/* ---------------- BOARD / TABLE ---------------- */
.board { background: var(--card-bg); border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; }
.board__head { display: flex; align-items: center; justify-content: space-between; padding: 16px 18px; border-bottom: 1px solid var(--line); }
.board__title { margin: 0; font-size: 14px; font-weight: 700; display: flex; align-items: center; gap: 8px; }
.chip-mono { font-family: var(--mono); font-size: 11px; color: var(--ink-3); border: 1px solid var(--line); border-radius: 999px; padding: 2px 8px; }
.board__scroll { overflow-x: auto; }
.board__table { width: 100%; border-collapse: collapse; font-size: 13px; }
.board__table th { text-align: left; font-size: 11px; color: var(--ink-3); font-weight: 600; padding: 10px 14px; border-bottom: 1px solid var(--line); white-space: nowrap; }
.board__table td { padding: 10px 14px; border-bottom: 1px solid var(--line-soft); vertical-align: middle; }
.board__table tr:last-child td { border-bottom: none; }
.board__empty { padding: 40px 20px; text-align: center; color: var(--ink-3); }
.seq-cell { font-family: var(--mono); color: var(--ink-3); width: 40px; }
.sig-thumb { height: 30px; max-width: 90px; display: block; }
.sig-empty { color: var(--ink-3); font-size: 12px; }
.row-actions { display: flex; gap: 6px; justify-content: flex-end; }
.icon-btn { border: 1px solid var(--line); background: transparent; color: var(--ink-3); border-radius: var(--r-sm); width: 26px; height: 26px; display: inline-flex; align-items: center; justify-content: center; cursor: pointer; font-size: 12px; }
.icon-btn:hover { color: var(--red); border-color: var(--red); }

/* ---------------- MODAL ---------------- */
.modal { position: fixed; inset: 0; z-index: 500; display: flex; align-items: center; justify-content: center; padding: 20px; }
.modal__backdrop { position: absolute; inset: 0; background: rgba(0,0,0,.6); }
.modal__card { position: relative; background: var(--panel); border: 1px solid var(--line); border-radius: var(--r-lg); width: min(480px, 100%); max-height: 88vh; overflow-y: auto; box-shadow: var(--shadow); }
.modal__card--wide { width: min(680px, 100%); }
.modal__head { display: flex; align-items: center; justify-content: space-between; padding: 18px 20px; border-bottom: 1px solid var(--line); }
.modal__head h3 { margin: 0; font-size: 15px; }
.modal__x { background: none; border: none; color: var(--ink-3); font-size: 18px; cursor: pointer; line-height: 1; }
.modal form { padding: 20px; display: flex; flex-direction: column; gap: 14px; }
.fld { display: flex; flex-direction: column; gap: 6px; font-size: 12px; color: var(--ink-2); }
.fld em { color: var(--red); font-style: normal; }
.fld input, .fld select, .fld textarea { background: var(--panel-2); border: 1px solid var(--line); border-radius: var(--r-sm); padding: 10px 12px; color: var(--ink); font-size: 14px; outline: none; }
.fld input:focus, .fld select:focus, .fld textarea:focus { border-color: var(--accent); }
.fld-row { display: flex; gap: 12px; }
.fld-row .fld { flex: 1; }
.modal__foot { display: flex; align-items: center; gap: 8px; padding-top: 4px; }
.modal__spacer { flex: 1; }
.hint { color: var(--ink-3); font-size: 12px; }
textarea.roster-paste { min-height: 140px; font-family: var(--mono); font-size: 12px; resize: vertical; }

/* ---------------- 명단 등록 모달 · 소스 탭 ---------------- */
.roster-src-tabs { display: flex; gap: 6px; padding: 16px 20px 0; }
.roster-src-tab { flex: 1; border: 1px solid var(--line); background: var(--panel-2); color: var(--ink-2); border-radius: var(--r-sm); padding: 9px; font-size: 12.5px; font-weight: 700; cursor: pointer; }
.roster-src-tab.is-on { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }

/* 조직도 스타일 체크 목록 */
.org-search { padding: 14px 20px 0; }
.org-search input { width: 100%; background: var(--panel-2); border: 1px solid var(--line); border-radius: var(--r-sm); padding: 9px 12px; color: var(--ink); font-size: 13px; outline: none; }
.org-toolbar { display: flex; align-items: center; justify-content: space-between; padding: 10px 20px 0; font-size: 12px; color: var(--ink-3); }
.org-toolbar button { background: none; border: none; color: var(--accent-text); font-weight: 700; cursor: pointer; font-size: 12px; }
.org-list { padding: 10px 20px 4px; max-height: 340px; overflow-y: auto; }
.org-group { margin-bottom: 4px; }
.org-group__head { display: flex; align-items: center; gap: 8px; padding: 10px 4px 6px; font-size: 11px; font-weight: 800; color: var(--ink-3); font-family: var(--mono); letter-spacing: .5px; text-transform: uppercase; }
.org-group__head .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.org-row { display: flex; align-items: center; gap: 10px; padding: 8px 4px; border-radius: var(--r-sm); cursor: pointer; }
.org-row:hover { background: var(--panel-2); }
.org-row input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--accent); flex: none; }
.org-row__name { font-size: 13.5px; color: var(--ink); }
.org-row__role { font-size: 11.5px; color: var(--ink-3); margin-left: 6px; }
.org-row.is-added { opacity: .45; cursor: not-allowed; }
.org-row.is-added .org-row__role { color: var(--green); }
.org-empty { padding: 30px 10px; text-align: center; color: var(--ink-3); font-size: 13px; }

/* ---------------- SIGN PAGE (모바일 우선) ---------------- */
.sign-page { min-height: 100vh; display: flex; flex-direction: column; }
.sign-head { padding: 22px 20px 16px; text-align: center; }
.sign-head__brand { font-weight: 800; font-size: 15px; color: var(--ink-3); letter-spacing: .5px; }
.sign-head h1 { margin: 10px 0 4px; font-size: 20px; }
.sign-head p { margin: 0; color: var(--ink-2); font-size: 13px; }
.sign-list { flex: 1; padding: 6px 16px 32px; display: flex; flex-direction: column; gap: 8px; max-width: 460px; margin: 0 auto; width: 100%; }
.sign-row { display: flex; align-items: center; justify-content: space-between; background: var(--card-bg); border: 1px solid var(--line); border-radius: var(--r); padding: 14px 16px; cursor: pointer; }
.sign-row.is-done { opacity: .55; }
.sign-row__left { display: flex; align-items: center; gap: 12px; }
.sign-row__seq { font-family: var(--mono); color: var(--ink-3); font-size: 12px; width: 22px; }
.sign-row__name { font-weight: 700; font-size: 15px; }
.sign-row__dept { color: var(--ink-3); font-size: 12px; }
.sign-row__state { font-family: var(--mono); font-size: 11px; color: var(--accent-text); }
.sign-search { max-width: 460px; margin: 0 auto; width: 100%; padding: 0 16px; }
.sign-search input { width: 100%; background: var(--panel-2); border: 1px solid var(--line); border-radius: var(--r); padding: 12px 14px; color: var(--ink); font-size: 14px; outline: none; }

.sig-modal .modal__card { width: min(420px, 100%); }
.sig-pad-wrap { padding: 0 20px; }
.sig-pad { width: 100%; aspect-ratio: 4 / 2; background: #fff; border-radius: var(--r); touch-action: none; display: block; }
.sig-pad-foot { display: flex; justify-content: space-between; padding: 10px 20px 0; color: var(--ink-3); font-size: 12px; }
.sig-pad-foot button { background: none; border: none; color: var(--ink-3); font-size: 12px; cursor: pointer; text-decoration: underline; }

.toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%); background: var(--ink); color: var(--bg); padding: 12px 20px; border-radius: 999px; font-size: 13px; font-weight: 600; z-index: 900; box-shadow: var(--shadow); }

@media (max-width: 720px) {
  .wrap { padding: 18px; }
  .fld-row { flex-direction: column; }
}

/* =========================================================
   EDU 화면 (에듀 홈 · 파트 홈 · 준비 중) — 게임즈 가든 헤드 · 요약 · 클린 카드
   ========================================================= */
.page-head h2 { font-size: 30px; font-weight: 800; letter-spacing: -.6px; line-height: 1.15; text-wrap: balance; }
.page-head .sub { font-size: 14px; margin-top: 6px; }
.eyebrow { letter-spacing: 1.2px; font-size: 10.5px; font-weight: 700; }
.session-card { border-color: var(--line-soft); transition: border-color .15s ease, transform .2s var(--ease-out), box-shadow .2s var(--ease-out); }
.session-card:hover { border-color: var(--line); transform: translateY(-2px); box-shadow: var(--shadow); }
.session-card__title { font-weight: 800; }
.stat, .board { border-color: var(--line-soft); }
.stat__value { font-weight: 800; letter-spacing: -.3px; }

.sec-h { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin: 30px 0 12px; }
.sec-h h3 { margin: 0; font-size: 17px; font-weight: 800; letter-spacing: -.2px; }
.sec-h a { font-size: 12.5px; color: var(--ink-3); }
.sec-h a:hover { color: var(--ink); }

/* 요약 숫자 한 줄 */
.summary { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); background: var(--panel); border: 1px solid var(--line-soft); border-radius: var(--r-lg); margin: 0; overflow: hidden; }
.summary > div { padding: 16px 20px; display: flex; flex-direction: column; gap: 4px; }
.summary > div + div { border-left: 1px solid var(--line-soft); }
.summary dt { font-size: 12px; color: var(--ink-3); }
.summary dd { margin: 0; font-size: 26px; font-weight: 800; letter-spacing: -.5px; font-variant-numeric: tabular-nums; }
.summary dd small { font-size: 13px; font-weight: 700; color: var(--ink-3); margin-left: 3px; }

/* 파트 카드 (스낵큐레이션 · 가든 · 총무지원) */
.part-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 14px; }
.part-card { position: relative; display: flex; flex-direction: column; gap: 14px; background: var(--panel); border: 1px solid var(--line-soft); border-radius: var(--r-lg); padding: 20px; min-height: 196px; transition: border-color .15s ease, transform .2s var(--ease-out), box-shadow .2s var(--ease-out); }
a.part-card:hover { border-color: var(--line); transform: translateY(-2px); box-shadow: var(--shadow); }
.part-card__ic { width: 42px; height: 42px; border-radius: 12px; background: var(--panel-2); display: grid; place-items: center; }
.part-card__ic svg { width: 22px; height: 22px; stroke: var(--ink); fill: none; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.part-card.is-on .part-card__ic { background: var(--accent); }
.part-card.is-on .part-card__ic svg { stroke: var(--accent-ink); }
.part-card__top { display: flex; align-items: flex-start; justify-content: space-between; gap: 8px; }
.part-card h3 { margin: 0; font-size: 19px; font-weight: 800; letter-spacing: -.3px; }
.part-card p { margin: 4px 0 0; color: var(--ink-2); font-size: 13px; }
.part-card__f { margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: 8px; font-size: 12.5px; color: var(--ink-3); }
.part-card__f b { color: var(--ink); font-weight: 700; }
.part-card__f svg { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 1.8; transition: transform .2s var(--ease-out); }
a.part-card:hover .part-card__f svg { transform: translateX(3px); color: var(--ink); }
.part-card.is-soon h3 { color: var(--ink-2); }
.pill { display: inline-flex; align-items: center; gap: 5px; font-size: 11px; font-weight: 700; border-radius: 999px; padding: 3px 9px; background: var(--panel-2); color: var(--ink-2); white-space: nowrap; }
.pill--live { background: var(--accent); color: var(--accent-ink); }

/* 바로가기 · 자료실 미리보기 */
.quick-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 14px; }
.quick { display: flex; flex-direction: column; gap: 10px; background: var(--panel); border: 1px solid var(--line-soft); border-radius: var(--r-lg); padding: 18px 20px; transition: border-color .15s ease, transform .2s var(--ease-out), box-shadow .2s var(--ease-out); }
a.quick:hover { border-color: var(--line); transform: translateY(-2px); box-shadow: var(--shadow); }
.quick__h { display: flex; align-items: center; gap: 10px; }
.quick__h svg { width: 18px; height: 18px; stroke: var(--ink); fill: none; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.quick__h b { font-size: 15px; font-weight: 800; }
.quick__h .pill { margin-left: auto; }
.quick p { margin: 0; color: var(--ink-2); font-size: 13px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chips span { font-size: 12px; color: var(--ink-2); background: var(--panel-2); border-radius: 999px; padding: 4px 10px; }

/* 준비 중 화면 */
.prep { background: var(--panel); border: 1px solid var(--line-soft); border-radius: var(--r-lg); padding: 40px 28px; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 10px; }
.prep svg { width: 34px; height: 34px; stroke: var(--ink-3); fill: none; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.prep b { font-size: 17px; font-weight: 800; }
.prep p { margin: 0; color: var(--ink-2); max-width: 460px; font-size: 13.5px; }
.prep .chips { justify-content: center; margin-top: 6px; }

/* 하위 탭(가든 교육 홈 · 서명 관리 · 자료실 · 이수 현황) */
.subnav { display: flex; gap: 4px; margin: -6px 0 22px; overflow-x: auto; scrollbar-width: none; }
.subnav::-webkit-scrollbar { display: none; }
.subnav a { flex: none; font-size: 13px; font-weight: 700; color: var(--ink-3); padding: 7px 13px; border-radius: 999px; }
.subnav a:hover { color: var(--ink); background: var(--panel-2); }
.subnav a[aria-current="page"] { color: var(--ink); background: var(--panel); box-shadow: inset 0 0 0 1px var(--line); }

@media (max-width: 1100px) {
  .part-grid, .quick-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
}
/* 모바일: 사이드바 → 하단 탭바 (게임즈 가든과 같은 방식) */
@media (max-width: 860px) {
  .layout { grid-template-columns: minmax(0,1fr); }
  .side { position: fixed; left: 0; right: 0; bottom: 0; top: auto; height: auto; z-index: 60; flex-direction: row; border-right: 0; border-top: 1px solid var(--line-soft); padding-bottom: env(safe-area-inset-bottom, 0px); box-shadow: 0 -6px 20px rgba(0,0,0,.06); }
  .brand, .nav h6, .side__foot, .nav .count, .nav .soon, .nav .m-hide { display: none; }
  .nav { flex-direction: row; padding: 6px 4px; gap: 0; overflow: visible; }
  .nav a { flex: 1; flex-direction: column; gap: 3px; padding: 7px 2px; font-size: 11px; text-align: center; justify-content: center; border-radius: 10px; white-space: nowrap; }
  .nav .lg { display: none; }
  .nav .sm { display: inline; }
  .nav a svg { width: 21px; height: 21px; }
  .nav a[aria-current="page"] { background: none; color: var(--ink); }
  .nav a[aria-current="page"] svg { stroke: var(--accent-text); stroke-width: 2.1; }
  .m-brand { display: block; flex: 1; }
  .topbar { padding: 14px 16px 0; }
  .topbar__crumb { display: none; }
  .wrap { padding: 16px 16px calc(96px + env(safe-area-inset-bottom, 0px)); }
  .page-head h2 { font-size: 24px; }
  .page-head .sub { font-size: 13.5px; }
  .summary { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .summary > div { padding: 12px 14px; }
  .summary dd { font-size: 21px; }
  .summary > div:nth-child(3) { border-left: 0; }
  .summary > div:nth-child(n+3) { border-top: 1px solid var(--line-soft); }
  .part-grid, .quick-grid { grid-template-columns: minmax(0,1fr); gap: 10px; }
  .part-card { min-height: 0; }
  .session-card:hover, a.part-card:hover, a.quick:hover { transform: none; box-shadow: none; }
  .toast { bottom: calc(84px + env(safe-area-inset-bottom, 0px)); }
}
@media (prefers-reduced-motion: reduce) {
  .session-card, .part-card, .quick, .part-card__f svg { transition: none; }
}

/* ---------------- 파트 색 (형광) — 교육 서명 카드의 아주 작은 동그라미 ---------------- */
:root { --p-snack: #ff2fb0; --p-garden: #9be000; --p-support: #00c8ff; --p-common: #ff8a00; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) { --p-snack: #ff4fc1; --p-garden: #c6ff2e; --p-support: #2ee6ff; --p-common: #ffa31a; } }
:root[data-theme="dark"] { --p-snack: #ff4fc1; --p-garden: #c6ff2e; --p-support: #2ee6ff; --p-common: #ffa31a; }
.session-card__tags { display: inline-flex; align-items: center; gap: 8px; }
.pdots { display: inline-flex; align-items: center; gap: 3px; }
.pdot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; flex: none; box-shadow: 0 0 0 1.5px var(--card-bg), 0 0 6px currentColor; }
.pdots .pdot + .pdot { margin-left: -1px; }
.pdot--snack { background: var(--p-snack); color: var(--p-snack); }
.pdot--garden { background: var(--p-garden); color: var(--p-garden); }
.pdot--support { background: var(--p-support); color: var(--p-support); }
.pdot--common { background: var(--p-common); color: var(--p-common); }
.plegend { display: flex; flex-wrap: wrap; gap: 6px 14px; margin: -6px 0 14px; font-size: 12px; color: var(--ink-3); }
.plegend span { display: inline-flex; align-items: center; gap: 6px; }
.plegend .pdot { box-shadow: 0 0 5px currentColor; }

/* ---------------- 로그인 · 계정 · 권한 ---------------- */
.lock__card { width: min(360px, 90vw); }
.login { display: flex; flex-direction: column; gap: 14px; text-align: left; }
.login .fld input { height: 48px; font-size: 16px; }
.login .lock__error { margin: 0; text-align: center; }
.who { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; width: 100%; margin-top: 6px; }
.who__n { flex-basis: 100%; color: var(--ink-2); font-size: 11.5px; letter-spacing: 0; }
.who__n b { color: var(--ink); font-weight: 700; }

/* 권한별 숨김: 총괄만 관리자 설정, 서명 권한 없으면 서명 편집 버튼 숨김 */
html:not([data-can-accounts]) .admin-only { display: none !important; }
html:not([data-can-sign]) #newSessionBtn,
html:not([data-can-sign]) #editSessionBtn,
html:not([data-can-sign]) #toggleLockBtn,
html:not([data-can-sign]) #addRosterBtn,
html:not([data-can-sign]) [data-edit-roster],
html:not([data-can-sign]) [data-del-roster],
html:not([data-can-sign]) [data-del-photo],
html:not([data-can-sign]) label:has(#photoInput) { display: none !important; }

.role-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.role-card { background: var(--panel); border: 1px solid var(--line-soft); border-radius: var(--r-lg); padding: 16px 18px; }
.role-card b { font-size: 15px; font-weight: 800; }
.role-card p { margin: 4px 0 0; font-size: 12.5px; color: var(--ink-2); }
.role-pill { display: inline-block; font-size: 12px; font-weight: 700; padding: 3px 9px; border-radius: 999px; background: var(--panel-2); color: var(--ink-2); }
.role-pill--master { background: var(--ink); color: var(--bg); }
.role-pill--admin { background: var(--accent); color: var(--accent-ink); }
.acct-table tr.is-off td { opacity: .5; }
.role-pick { display: flex; flex-direction: column; gap: 6px; }
.role-opt { display: flex; align-items: flex-start; gap: 10px; padding: 10px 12px; border: 1px solid var(--line); border-radius: var(--r-sm); cursor: pointer; }
.role-opt:has(input:checked) { border-color: var(--ink); background: var(--panel-2); }
.role-opt:has(input:disabled) { opacity: .45; cursor: not-allowed; }
.role-opt input { margin-top: 3px; accent-color: var(--accent-text); }
.role-opt span { display: flex; flex-direction: column; }
.role-opt b { font-size: 14px; color: var(--ink); }
.role-opt small { font-size: 12px; color: var(--ink-3); }
.part-pick { display: flex; gap: 14px; flex-wrap: wrap; font-size: 14px; color: var(--ink); }
.part-pick label { display: inline-flex; align-items: center; gap: 6px; cursor: pointer; }
.part-pick input { width: 16px; height: 16px; accent-color: var(--accent-text); }
.modal .lock__error { margin: 0; }
@media (max-width: 1100px) { .role-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 860px) { .role-grid { grid-template-columns: minmax(0, 1fr); } }