/* =============================================================================
   library.<domain> 資料ライブラリ ツール スタイル (standalone / lib- プレフィックス)
   console とは別オリジンの独立ツールのため、必要なデザイントークンを内包する。
   ============================================================================= */
:root {
  --brand:#2D6A4F; --brand-dark:#1B4332; --brand-soft:#D8F3DC;
  --ink:#1F2937; --ink-mute:#6B7280; --ink-soft:#9CA3AF;
  --bg:#F9FAFB; --card:#FFFFFF; --border:#E5E7EB; --danger:#DC2626;
}
* { box-sizing:border-box; }
body {
  margin:0; background:var(--bg); color:var(--ink);
  font-family:'Noto Sans JP', -apple-system, BlinkMacSystemFont, "Segoe UI", Meiryo, sans-serif;
  line-height:1.6;
}
button { font-family:inherit; }

/* ---------- トップバー ---------- */
.lib-top {
  display:flex; align-items:center; gap:16px; padding:12px 24px;
  background:var(--card); border-bottom:1px solid var(--border);
}
.lib-top__logo { display:inline-flex; align-items:center; height:32px; flex:0 0 auto; transition:opacity .2s; }
.lib-top__logo:hover { opacity:.75; }
.lib-top__logo img { height:100%; width:auto; display:block; object-fit:contain; }
.lib-top__crumb { font-size:13px; color:var(--ink-soft); white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.lib-top__crumb span { color:var(--ink); font-weight:600; }
.lib-top__sp { flex:1; }
.lib-top__back { font-size:13px; color:var(--ink-mute); text-decoration:none; padding:6px 10px; border-radius:7px; }
.lib-top__back:hover { background:var(--bg); color:var(--ink); }
.lib-top__who { font-size:12px; color:var(--ink-mute); }
.lib-top__logout { border:1px solid var(--border); background:var(--card); border-radius:8px; padding:7px 12px; cursor:pointer; font-size:13px; color:var(--ink-mute); }
.lib-top__logout:hover { border-color:var(--brand); color:var(--brand); }

/* ---------- 本文コンテナ ---------- */
.lib-main { max-width:1100px; margin:24px auto; padding:0 24px 80px; }
.lib-loading { text-align:center; color:var(--ink-soft); padding:48px 16px; font-size:13px; }

/* ---------- 導入バナー ---------- */
.lib-intro {
  display:flex; align-items:center; gap:12px; margin-bottom:20px;
  padding:14px 18px; border-radius:12px;
  background:linear-gradient(135deg,#FFFBEB,#FEF3C7); border:1px solid #FDE68A;
}
.lib-intro__icon { font-size:24px; flex:0 0 auto; }
.lib-intro__title { font-size:14px; font-weight:800; color:#78350F; margin-bottom:2px; }
.lib-intro__text { font-size:12.5px; color:#92400E; line-height:1.55; }
.lib-intro__text strong { color:#78350F; font-weight:800; }

/* ---------- カテゴリフィルタ ---------- */
.lib-filter { display:flex; gap:7px; flex-wrap:wrap; margin-bottom:16px; }
.lib-chip {
  display:inline-flex; align-items:center; gap:7px; padding:7px 15px; border-radius:999px;
  font-size:12.5px; font-weight:700; font-family:inherit; cursor:pointer;
  background:var(--card); color:var(--ink-mute); border:1px solid var(--border);
  transition:background .15s, border-color .15s, color .15s;
}
.lib-chip:hover { border-color:var(--brand); color:var(--brand-dark); background:var(--brand-soft); }
.lib-chip.is-active { background:var(--brand); color:#fff; border-color:var(--brand); }
.lib-chip__count { font-size:10.5px; font-weight:800; padding:1px 7px; border-radius:999px; background:var(--bg); color:var(--ink-mute); }
.lib-chip.is-active .lib-chip__count { background:rgba(255,255,255,.22); color:#fff; }

/* ---------- 本棚 (木目) ---------- */
.lib-bookcase {
  position:relative; overflow:hidden; border-radius:18px; padding:16px 18px 0;
  border:2px solid #6B4423;
  background:
    repeating-linear-gradient(90deg, transparent 0, rgba(255,255,255,.03) 2px, transparent 4px, rgba(0,0,0,.05) 6px, transparent 9px),
    repeating-linear-gradient(180deg, transparent 0, rgba(0,0,0,.02) 50px, transparent 100px, rgba(255,255,255,.02) 150px),
    linear-gradient(180deg, #B0814F 0%, #8B5A3C 100%);
  box-shadow:0 24px 48px rgba(74,46,21,.28), 0 4px 14px rgba(0,0,0,.12), inset 0 1px 0 rgba(255,255,255,.18);
}
.lib-bookcase::before {
  content:''; position:absolute; top:0; left:0; right:0; height:24px; z-index:5; pointer-events:none;
  background:linear-gradient(180deg, rgba(0,0,0,.32), transparent);
}
.lib-shelf {
  position:relative; display:flex; align-items:flex-end; justify-content:flex-start;
  flex-wrap:wrap; gap:18px; padding:40px 22px 28px; min-height:220px;
}
.lib-shelf::after {
  content:''; position:absolute; left:8px; right:8px; bottom:0; height:16px; border-radius:2px;
  background:linear-gradient(180deg, #4A2E15 0%, #2D1A0A 60%, #4A2E15 100%);
  box-shadow:0 -3px 8px rgba(0,0,0,.22), 0 3px 8px rgba(0,0,0,.32), inset 0 1px 0 rgba(255,255,255,.10);
}
.lib-shelf::before {
  content:''; position:absolute; inset:0; pointer-events:none;
  background:linear-gradient(90deg, rgba(0,0,0,.18) 0%, transparent 6%, transparent 94%, rgba(0,0,0,.18) 100%);
}
.lib-shelf__label {
  position:absolute; top:8px; left:24px; z-index:4;
  font-family:'Inter', sans-serif; font-size:10px; font-weight:800; letter-spacing:.2em;
  text-transform:uppercase; color:rgba(255,255,255,.55); text-shadow:0 1px 2px rgba(0,0,0,.4);
}

/* ---------- 本 ---------- */
.lib-book {
  position:relative; flex-shrink:0; z-index:1;
  width:130px; height:180px; padding:14px 12px;
  border:none; text-align:left; cursor:pointer; border-radius:2px 6px 6px 2px;
  display:flex; flex-direction:column;
  color:var(--lib-fg, #fff); font-family:'Noto Serif JP', serif;
  background:var(--lib-bg, linear-gradient(135deg,#2D6A4F,#1B5E3D));
  box-shadow:
    inset 6px 0 0 rgba(0,0,0,.22), inset 7px 0 0 rgba(255,255,255,.06), inset -2px 0 0 rgba(0,0,0,.10),
    0 6px 14px rgba(0,0,0,.4), 0 2px 6px rgba(0,0,0,.25);
  transition:transform .25s cubic-bezier(.34,1.56,.64,1), box-shadow .25s;
}
.lib-book:hover {
  transform:translateY(-12px) rotate(-1deg); z-index:3;
  box-shadow:
    inset 6px 0 0 rgba(0,0,0,.22), inset 7px 0 0 rgba(255,255,255,.06), inset -2px 0 0 rgba(0,0,0,.10),
    0 18px 32px rgba(0,0,0,.45), 0 4px 10px rgba(0,0,0,.3);
}
.lib-book::after {
  content:''; position:absolute; bottom:-6px; left:8px; right:4px; height:8px; z-index:-1;
  background:rgba(0,0,0,.45); filter:blur(6px); pointer-events:none;
}
.lib-book__brand { font-family:'Inter', sans-serif; font-size:8px; font-weight:800; letter-spacing:.18em; opacity:.7; margin-left:4px; }
.lib-book__rule  { width:22px; height:2px; background:rgba(255,255,255,.5); margin:6px 0 8px 4px; }
.lib-book--cream .lib-book__rule { background:rgba(120,53,15,.4); }
.lib-book__title { font-size:14px; font-weight:900; line-height:1.35; margin-left:4px; letter-spacing:-.01em; text-shadow:0 1px 2px rgba(0,0,0,.18); }
.lib-book--cream .lib-book__title { text-shadow:none; }
.lib-book__subtitle { font-family:'Noto Sans JP', sans-serif; font-size:9.5px; font-weight:500; opacity:.92; margin:6px 0 0 4px; line-height:1.45; }
.lib-book__decor { margin-top:auto; display:flex; align-items:center; justify-content:space-between; padding-left:4px; font-size:18px; }
.lib-book__pages { font-family:'Inter', sans-serif; font-size:8px; font-weight:700; opacity:.65; letter-spacing:.04em; }
.lib-book__soon {
  position:absolute; top:10px; right:-1px; font-family:'Noto Sans JP', sans-serif;
  font-size:8.5px; font-weight:800; letter-spacing:.04em; padding:2px 7px;
  background:rgba(0,0,0,.32); color:#fff; border-radius:3px 0 0 3px;
}

/* ---------- 配色 (本 と モーダルカバー で共有) ---------- */
.lib-c--forest   { --lib-bg:linear-gradient(135deg,#2D6A4F 0%,#1B4332 100%); }
.lib-c--ocean    { --lib-bg:linear-gradient(135deg,#0E7490 0%,#155E75 100%); }
.lib-c--sunset   { --lib-bg:linear-gradient(135deg,#C2410C 0%,#7C2D12 100%); }
.lib-c--midnight { --lib-bg:linear-gradient(135deg,#3730A3 0%,#1E1B4B 100%); }
.lib-c--cream    { --lib-bg:linear-gradient(135deg,#FDE68A 0%,#FBBF24 100%); --lib-fg:#78350F; }
.lib-c--coral    { --lib-bg:linear-gradient(135deg,#DB2777 0%,#831843 100%); }
.lib-c--emerald  { --lib-bg:linear-gradient(135deg,#059669 0%,#064E3B 100%); }
.lib-c--mocha    { --lib-bg:linear-gradient(135deg,#7C2D12 0%,#44190A 100%); }
.lib-c--slate    { --lib-bg:linear-gradient(135deg,#475569 0%,#1E293B 100%); }

/* ---------- 詳細モーダル ---------- */
.lib-modal-backdrop {
  position:fixed; inset:0; z-index:100; padding:24px;
  display:flex; align-items:center; justify-content:center;
  background:rgba(15,23,42,.65); backdrop-filter:blur(4px);
  opacity:0; pointer-events:none; transition:opacity .25s ease;
}
.lib-modal-backdrop.is-open { opacity:1; pointer-events:auto; }
.lib-modal {
  width:min(720px,100%); max-height:90vh; overflow:hidden;
  display:grid; grid-template-columns:240px 1fr;
  background:var(--card); border-radius:16px; box-shadow:0 24px 60px rgba(0,0,0,.28);
  transform:translateY(20px) scale(.96); transition:transform .3s cubic-bezier(.34,1.56,.64,1);
}
.lib-modal-backdrop.is-open .lib-modal { transform:none; }
.lib-modal__cover {
  position:relative; padding:32px 24px; display:flex; flex-direction:column;
  color:var(--lib-fg, #fff); font-family:'Noto Serif JP', serif;
  background:var(--lib-bg, linear-gradient(135deg,#2D6A4F,#1B5E3D));
  box-shadow:inset 6px 0 0 rgba(0,0,0,.22), inset 7px 0 0 rgba(255,255,255,.06);
}
.lib-modal__cover-brand { font-family:'Inter', sans-serif; font-size:10px; font-weight:800; letter-spacing:.2em; opacity:.75; }
.lib-modal__cover-rule { width:36px; height:2px; background:rgba(255,255,255,.6); margin:12px 0 14px; }
.lib-modal--cream .lib-modal__cover-rule { background:rgba(120,53,15,.4); }
.lib-modal__cover-title { font-size:22px; font-weight:900; line-height:1.3; margin-bottom:10px; text-shadow:0 2px 4px rgba(0,0,0,.2); }
.lib-modal--cream .lib-modal__cover-title { text-shadow:none; }
.lib-modal__cover-subtitle { font-family:'Noto Sans JP', sans-serif; font-size:12px; font-weight:500; opacity:.92; line-height:1.6; }
.lib-modal__cover-decor { margin-top:auto; font-size:32px; opacity:.5; }
.lib-modal__body { position:relative; padding:26px 26px 22px; display:flex; flex-direction:column; overflow-y:auto; }
.lib-modal__close {
  position:absolute; top:14px; right:14px; width:32px; height:32px; border:none; border-radius:50%;
  background:var(--bg); color:var(--ink-mute); font-size:15px; cursor:pointer;
  display:inline-flex; align-items:center; justify-content:center; transition:background .15s, color .15s;
}
.lib-modal__close:hover { background:#FEE2E2; color:var(--danger); }
.lib-modal__cat { align-self:flex-start; font-size:10px; font-weight:800; letter-spacing:.06em; padding:3px 10px; border-radius:999px; margin-bottom:8px; background:var(--brand-soft); color:var(--brand-dark); }
.lib-modal__title { font-size:17px; font-weight:800; line-height:1.4; margin-bottom:6px; color:var(--ink); }
.lib-modal__meta { display:flex; gap:14px; flex-wrap:wrap; font-size:11.5px; color:var(--ink-mute); margin-bottom:14px; padding-bottom:14px; border-bottom:1px dashed var(--border); }
.lib-modal__desc { font-size:13px; line-height:1.85; color:var(--ink-mute); margin-bottom:18px; }
.lib-modal__chapters-title { font-size:11px; font-weight:800; color:var(--ink-soft); letter-spacing:.06em; text-transform:uppercase; margin-bottom:8px; }
.lib-modal__chapters-list { list-style:none; padding:0; margin:0 0 18px; display:flex; flex-direction:column; gap:6px; }
.lib-modal__chapter { display:flex; gap:10px; align-items:center; padding:8px 10px; background:var(--bg); border-radius:7px; font-size:12.5px; color:var(--ink); }
.lib-modal__chapter-num { font-family:'Inter', sans-serif; font-weight:800; font-size:11px; color:var(--ink-soft); min-width:22px; }
.lib-modal__actions { display:flex; align-items:center; gap:8px; margin-top:auto; padding-top:14px; border-top:1px solid var(--border); }
.lib-mbtn { flex:1; padding:11px 16px; border-radius:10px; border:1px solid transparent; font-size:12.5px; font-weight:700; font-family:inherit; cursor:pointer; text-decoration:none; display:inline-flex; align-items:center; justify-content:center; gap:6px; transition:background .15s, transform .12s, box-shadow .15s; }
.lib-mbtn--primary { background:var(--brand); color:#fff; }
.lib-mbtn--primary:hover { background:var(--brand-dark); transform:translateY(-1px); box-shadow:0 6px 14px rgba(45,106,79,.32); }
.lib-mbtn--ghost { background:var(--bg); color:var(--ink-mute); border-color:var(--border); }
.lib-mbtn--ghost:hover { background:var(--border); color:var(--ink); }
.lib-modal__soon { flex:1; text-align:center; padding:11px 16px; border-radius:10px; background:var(--bg); border:1px dashed var(--border); color:var(--ink-mute); font-size:12.5px; font-weight:700; }

/* ---------- スマホ ---------- */
@media (max-width:720px) {
  .lib-top { padding:10px 14px; gap:10px; }
  .lib-top__crumb { display:none; }
  .lib-main { margin:16px auto; padding:0 14px 60px; }
  .lib-bookcase { padding:12px 10px 0; }
  .lib-shelf { gap:14px; padding:36px 14px 26px; min-height:200px; }
  .lib-book { width:108px; height:152px; padding:12px 10px; }
  .lib-book__title { font-size:12.5px; }
  .lib-book__subtitle { font-size:9px; }
  .lib-modal { grid-template-columns:1fr; max-height:92vh; }
  .lib-modal__cover { padding:22px 20px; }
  .lib-modal__cover-title { font-size:19px; }
  .lib-modal__cover-decor { display:none; }
}