/* Listof.Best — unified Save Sheet (collections).
   One window everywhere the product can save: catalog card, video theater and
   (day 2) /save. Bottom sheet at ≤640px, anchored popover above that.
   Design tokens come from catalog.css, which loads site-wide. */

.lb-sheet{position:absolute;top:0;left:0;z-index:1000002;box-sizing:border-box;
  width:min(360px,calc(100vw - 24px));max-height:min(72svh,560px);overflow-y:auto;
  display:flex;flex-direction:column;gap:0.8rem;
  background:var(--lb-surface,#fff);color:var(--lb-ink,#1E2A38);
  border:1px solid var(--lb-border,#E2E6EB);border-radius:var(--lb-radius,12px);
  box-shadow:0 12px 32px rgb(11 26 42/18%);padding:var(--lb-m,1.6rem);
  font-size:1.44rem;line-height:1.35}
.lb-sheet *,.lb-sheet *::before,.lb-sheet *::after{box-sizing:border-box}
.lb-sheet__bd{position:fixed;inset:0;z-index:1000001;background:rgb(11 26 42/38%);border:0}

/* ── header ───────────────────────────────────────────────────────────── */
.lb-sheet__head{display:flex;align-items:center;justify-content:space-between;gap:0.8rem;margin:0 0 0.2rem}
.lb-sheet__title{margin:0;font-size:1.6rem;font-weight:700;line-height:1.25;color:var(--lb-ink,#1E2A38)}
.lb-sheet__head-create{display:inline-flex;align-items:center;gap:0.3rem;appearance:none;background:none;border:0;
  cursor:pointer;font:inherit;font-size:1.36rem;font-weight:650;color:var(--lb-primary-600,#E85A1E);padding:0.4rem 0.6rem;border-radius:var(--lb-radius-s,8px)}
.lb-sheet__head-create:hover{background:var(--lb-surface-2,#F7F8FA)}

/* ── top card (Recent saves / default list link) ───────────────────────── */
.lb-sheet__topcard{display:flex;align-items:center;justify-content:space-between;gap:0.8rem;padding:0.8rem 1rem;
  border:1px solid var(--lb-border,#E2E6EB);border-radius:var(--lb-radius-s,8px);background:var(--lb-surface-2,#F7F8FA);
  color:inherit;text-decoration:none;font-size:1.32rem;font-weight:600;transition:border-color .15s,background .15s}
.lb-sheet__topcard:hover{border-color:var(--lb-primary,#FF6A2B);background:var(--lb-surface,#fff)}
.lb-sheet__topcard-badge{display:inline-flex;align-items:center;gap:0.4rem;color:var(--lb-muted,#5B6675);font-size:1.24rem}

/* ── status line ───────────────────────────────────────────────────────── */
.lb-sheet__status{display:flex;align-items:center;gap:0.5rem;margin:0;
  font-size:1.36rem;font-weight:650;color:var(--lb-muted,#5B6675)}
.lb-sheet__status.is-ok{color:var(--lb-success,#1DA678)}
.lb-sheet__status.is-err{color:#C2410C}
.lb-sheet__tick{flex:0 0 auto;font-weight:700}

/* ── source badge slot (YouTube / Web / catalog card …) ────────────────── */
.lb-sheet__src{display:inline-flex;align-self:flex-start;align-items:center;gap:0.4rem;margin:0;
  padding:0.24rem 0.8rem;border:1px solid var(--lb-border,#E2E6EB);border-radius:999px;
  background:var(--lb-surface-2,#F7F8FA);color:var(--lb-muted,#5B6675);
  font-size:1.2rem;font-weight:600;letter-spacing:.01em}

/* ── search ────────────────────────────────────────────────────────────── */
.lb-sheet__q{width:100%;min-width:0;font:inherit;font-size:1.36rem;
  padding:0.7rem 1rem;border:1px solid var(--lb-border,#E2E6EB);
  border-radius:var(--lb-radius-s,8px);background:var(--lb-surface,#fff);color:inherit}
.lb-sheet__q:focus-visible{outline:2px solid var(--lb-primary,#FF6A2B);outline-offset:1px}

/* ── collection rows ───────────────────────────────────────────────────── */
.lb-sheet__list{display:flex;flex-direction:column;gap:0.4rem;max-height:34svh;overflow-y:auto;margin:0}
.lb-sheet__row{display:flex;align-items:center;gap:0.8rem;width:100%;min-height:44px;
  text-align:left;appearance:none;background:none;border:0;cursor:pointer;font:inherit;
  color:var(--lb-ink,#1E2A38);padding:0.6rem;border-radius:var(--lb-radius-s,8px);transition:background .1s}
.lb-sheet__row:hover{background:var(--lb-surface-2,#F7F8FA)}
.lb-sheet__row:disabled{opacity:.6;cursor:default}
.lb-sheet__row[hidden]{display:none}
.lb-sheet__chk{flex:0 0 auto;width:1.8rem;height:1.8rem;position:relative;
  border:2px solid var(--lb-border,#E2E6EB);border-radius:5px}
.lb-sheet__row.is-in .lb-sheet__chk{background:var(--lb-primary,#FF6A2B);border-color:var(--lb-primary,#FF6A2B)}
.lb-sheet__row.is-in .lb-sheet__chk::after{content:"";position:absolute;left:0.45rem;top:0.15rem;
  width:0.5rem;height:0.9rem;border:solid #fff;border-width:0 2.5px 2.5px 0;transform:rotate(45deg)}
.lb-sheet__cover{flex:0 0 3.2rem;width:3.2rem;height:3.2rem;border-radius:6px;overflow:hidden;
  background:var(--lb-surface-2,#F7F8FA);border:1px solid var(--lb-border,#E2E6EB);display:flex;align-items:center;justify-content:center}
.lb-sheet__cover-img{width:100%;height:100%;object-fit:cover;display:block}
.lb-sheet__cover-ph{font-size:1.2rem;color:var(--lb-muted,#5B6675);font-weight:700}
.lb-sheet__body{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;gap:0.1rem}
.lb-sheet__name{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:1.36rem}
.lb-sheet__row.is-default .lb-sheet__name{font-weight:650}
.lb-sheet__meta{display:flex;align-items:center;gap:0.4rem;font-size:1.2rem;color:var(--lb-muted,#5B6675)}
.lb-sheet__vis{display:inline-flex;align-items:center;gap:0.25rem}
.lb-sheet__vis svg{width:1.1rem;height:1.1rem;flex:0 0 auto}
.lb-sheet__cnt{flex:0 0 auto;color:var(--lb-muted,#5B6675);font-size:1.24rem;font-family:var(--lb-mono,ui-monospace,monospace)}
.lb-sheet__note{margin:0;color:var(--lb-muted,#5B6675);font-size:1.32rem}
/* ── inline "new collection" form ──────────────────────────────────────── */
.lb-sheet__add{display:inline-flex;align-items:center;gap:0.5rem;align-self:flex-start;min-height:40px;
  appearance:none;background:none;border:0;cursor:pointer;font:inherit;font-size:1.36rem;font-weight:650;
  color:var(--lb-primary-600,#E85A1E);padding:0.4rem 0.6rem;border-radius:var(--lb-radius-s,8px)}
.lb-sheet__add:hover{background:var(--lb-surface-2,#F7F8FA)}
.lb-sheet__new{display:flex;flex-direction:column;gap:0.6rem;border-top:1px solid var(--lb-border,#E2E6EB);padding-top:0.8rem}
.lb-sheet__new[hidden]{display:none}
.lb-sheet__new-row{display:flex;gap:0.5rem}
.lb-sheet__in{flex:1 1 auto;min-width:0;font:inherit;font-size:1.36rem;padding:0.6rem 0.8rem;
  border:1px solid var(--lb-border,#E2E6EB);border-radius:var(--lb-radius-s,8px);background:var(--lb-surface,#fff);color:inherit}
.lb-sheet__new-opt{display:flex;align-items:center;justify-content:space-between;gap:0.8rem;font-size:1.28rem}
.lb-sheet__vis-switch{display:inline-flex;border:1px solid var(--lb-border,#E2E6EB);border-radius:6px;overflow:hidden;background:var(--lb-surface-2,#F7F8FA)}
.lb-sheet__vis-btn{border:0;background:none;padding:0.35rem 0.8rem;font:inherit;font-size:1.24rem;font-weight:600;cursor:pointer;color:var(--lb-muted,#5B6675)}
.lb-sheet__vis-btn.is-active{background:var(--lb-surface,#fff);color:var(--lb-ink,#1E2A38);box-shadow:0 1px 3px rgb(0 0 0/8%)}
.lb-sheet__create{flex:0 0 auto;appearance:none;cursor:pointer;font:inherit;font-weight:650;font-size:1.36rem;
  color:#fff;background:var(--lb-primary,#FF6A2B);border:0;border-radius:var(--lb-radius-s,8px);padding:0.6rem 1.2rem}
.lb-sheet__create:disabled{opacity:.6;cursor:default}
/* ── footer ────────────────────────────────────────────────────────────── */
.lb-sheet__foot{display:flex;align-items:center;justify-content:space-between;gap:var(--lb-m,1.6rem);
  border-top:1px solid var(--lb-border,#E2E6EB);padding-top:0.8rem}
.lb-sheet__mine{font-size:1.36rem;font-weight:600;color:var(--lb-primary-600,#E85A1E);text-decoration:none}
.lb-sheet__mine:hover{text-decoration:underline}
.lb-sheet__done{appearance:none;cursor:pointer;font:inherit;font-weight:650;font-size:1.36rem;min-height:40px;
  color:var(--lb-ink,#1E2A38);background:var(--lb-surface-2,#F7F8FA);
  border:1px solid var(--lb-border,#E2E6EB);border-radius:var(--lb-radius-s,8px);padding:0.6rem 1.6rem}
.lb-sheet__done:hover{background:var(--lb-surface,#fff)}

/* ── mobile: fixed bottom sheet ────────────────────────────────────────── */
.lb-sheet--bottom{position:fixed;inset:auto 0 0 0;width:100%;max-width:none;max-height:86svh;
  border-radius:16px 16px 0 0;border-bottom:0;
  padding:0.6rem var(--lb-m,1.6rem) calc(var(--lb-m,1.6rem) + env(safe-area-inset-bottom,0px));
  animation:lb-sheet-up .18s ease-out}
.lb-sheet--bottom .lb-sheet__grip{flex:0 0 auto;align-self:center;width:4rem;height:0.4rem;margin:0.2rem 0 0.6rem;
  border-radius:999px;background:var(--lb-border,#E2E6EB);cursor:grab;touch-action:none}
.lb-sheet--bottom .lb-sheet__list{max-height:46svh}
.lb-sheet--bottom .lb-sheet__done{padding:0.8rem 2.4rem;min-height:44px}
@keyframes lb-sheet-up{from{transform:translateY(12%)}to{transform:translateY(0)}}
@media (prefers-reduced-motion:reduce){.lb-sheet--bottom{animation:none}}

/* ── /save landing page (share target, extension popup) ────────────────── */
.lb-savepage{max-width:52rem}
.lb-savepage__lead{margin:0 0 1.2rem;color:var(--lb-muted,#5B6675)}
.lb-savepage__form{display:flex;flex-wrap:wrap;gap:0.8rem;margin:0 0 1.6rem}
.lb-savepage__in{flex:1 1 22rem;min-width:0;font:inherit;padding:0.9rem 1.2rem;
  border:1px solid var(--lb-border,#E2E6EB);border-radius:var(--lb-radius-s,8px);
  background:var(--lb-surface,#fff);color:inherit}
.lb-savepage__go{flex:0 0 auto;appearance:none;cursor:pointer;font:inherit;font-weight:650;min-height:44px;
  color:#fff;background:var(--lb-primary,#FF6A2B);border:0;border-radius:var(--lb-radius-s,8px);padding:0.9rem 2rem}
.lb-savepage__card{display:flex;flex-direction:column;align-items:flex-start;gap:0.6rem;margin:0 0 1.2rem;
  padding:var(--lb-m,1.6rem);border:1px solid var(--lb-border,#E2E6EB);
  border-radius:var(--lb-radius,12px);background:var(--lb-surface-2,#F7F8FA)}
.lb-savepage__t{margin:0;font-weight:650;line-height:1.3}
.lb-savepage__u{max-width:100%;overflow-wrap:anywhere;color:var(--lb-muted,#5B6675);font-size:1.36rem;text-decoration:none}
.lb-savepage__u:hover{text-decoration:underline}
.lb-savepage__status{margin:0 0 0.8rem;font-weight:650}
.lb-savepage__status.is-wait{color:var(--lb-muted,#5B6675)}
.lb-savepage__status.is-ok{color:var(--lb-success,#1DA678)}
.lb-savepage__status.is-err{color:#C2410C}
.lb-savepage__notice{margin:0 0 1.2rem;padding:1.2rem;border-radius:var(--lb-radius-s,8px);
  background:var(--lb-surface-2,#F7F8FA);border-left:3px solid var(--lb-primary,#FF6A2B);
  color:var(--lb-ink,#1E2A38);font-size:1.44rem;line-height:1.4}
.lb-savepage__notice[hidden],.lb-savepage__sheet[hidden]{display:none}
.lb-savepage__foot{margin:1.6rem 0 0}
.lb-savepage__foot a{font-weight:600;color:var(--lb-primary-600,#E85A1E);text-decoration:none}

/* ── "Saved by N" badge (detail page, next to the save button) ─────────── */
.lb-savedby{display:inline-flex;align-items:center;gap:0.4rem;
  color:var(--lb-muted,#5B6675);font-size:1.28rem;font-weight:600}
.lb-savedby svg{width:1.4rem;height:1.4rem;flex:0 0 auto}
.lb-side__save .lb-savedby{justify-content:center}

/* ── Undo Toast ────────────────────────────────────────────────────────── */
.lb-toast{position:fixed;bottom:2rem;left:50%;transform:translateX(-50%);z-index:1000003;
  display:flex;align-items:center;gap:1.2rem;padding:0.8rem 1.6rem;
  background:var(--lb-ink,#1E2A38);color:#fff;border-radius:var(--lb-radius,12px);
  box-shadow:0 8px 24px rgb(0 0 0/20%);font-size:1.36rem;font-weight:600;
  animation:lb-toast-in .2s ease-out}
.lb-toast__t{max-width:28rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.lb-toast__undo{appearance:none;background:none;border:0;cursor:pointer;font:inherit;font-weight:700;
  color:var(--lb-primary,#FF6A2B);padding:0.2rem 0.4rem;border-radius:4px}
.lb-toast__undo:hover{text-decoration:underline}
@keyframes lb-toast-in{from{opacity:0;transform:translate(-50%,10px)}to{opacity:1;transform:translate(-50%,0)}}