.insert-base-summary{display:flex;align-items:center;gap:14px;padding:12px 14px;border:1px solid var(--panel-border);border-radius:12px;background:var(--panel-bg)}.insert-base-summary .split-source-preview{display:grid;place-items:center;gap:0;width:72px;height:72px;flex:0 0 auto;border-radius:10px;background:color-mix(in srgb,var(--accent, #2563eb) 8%,transparent);color:var(--accent, #2563eb)}.insert-base-summary .split-source-preview strong{font-size:20px;line-height:1}.insert-base-summary .split-source-preview span{font-size:11px;color:var(--text-secondary)}.insert-base-summary__meta{display:grid;gap:2px;min-width:0}.insert-base-summary__meta strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.insert-base-summary__meta span{font-size:13px;color:var(--text-secondary)}.insert-board-suspended{min-height:40vh}.insert-seam-frame{margin-top:12px;padding:16px;max-height:min(66vh,720px);overflow:auto}.insert-seam-flow{display:flex;flex-wrap:wrap;align-items:stretch;gap:6px}.insert-page-card{display:grid;gap:6px;justify-items:center;width:128px;padding:8px;border:1px solid var(--panel-border);border-radius:10px;background:var(--surface, #fff)}.insert-page-card canvas,.insert-page-card img{max-width:100%;height:auto;border-radius:4px}.insert-page-card__label{font-size:12px;color:var(--text-secondary)}.insert-seam{display:flex;align-items:center;justify-content:center;align-self:stretch;min-height:120px}.insert-seam__add{display:grid;place-items:center;width:30px;height:30px;border-radius:999px;border:1px dashed color-mix(in srgb,var(--accent, #2563eb) 55%,transparent);background:color-mix(in srgb,var(--accent, #2563eb) 8%,transparent);color:var(--accent, #2563eb);cursor:pointer;transition:transform .12s ease,background .12s ease}.insert-seam__add:hover:not(:disabled){background:color-mix(in srgb,var(--accent, #2563eb) 18%,transparent);transform:scale(1.08)}.insert-seam__add:disabled{cursor:progress;opacity:.7}.insert-seam--filled{min-width:150px;flex:0 0 auto}.insert-chip{display:flex;align-items:center;gap:8px;width:100%;padding:8px 10px;border-radius:10px;border:1px solid color-mix(in srgb,var(--accent, #2563eb) 35%,transparent);background:color-mix(in srgb,var(--accent, #2563eb) 10%,transparent)}.insert-chip[data-kind=image]{border-color:color-mix(in srgb,#7c3aed 35%,transparent);background:color-mix(in srgb,#7c3aed 10%,transparent)}.insert-chip__icon{display:grid;place-items:center;color:var(--accent, #2563eb);flex:0 0 auto}.insert-chip[data-kind=image] .insert-chip__icon{color:#7c3aed}.insert-chip__body{display:grid;gap:1px;min-width:0}.insert-chip__body strong{font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.insert-chip__body small{font-size:11px;color:var(--text-secondary)}.insert-chip__actions{display:flex;gap:2px;flex:0 0 auto}.insert-chip__button{display:grid;place-items:center;width:26px;height:26px;border-radius:7px;border:none;background:transparent;color:var(--text-secondary);cursor:pointer}.insert-chip__button:hover{background:color-mix(in srgb,var(--text-secondary) 16%,transparent);color:var(--text-strong, #0f172a)}.insert-chip__button--danger:hover{background:color-mix(in srgb,var(--danger, #dc2626) 14%,transparent);color:var(--danger, #dc2626)}.seam-sheet-backdrop,.seam-modal-backdrop{position:fixed;inset:0;z-index:60;display:flex;background:#0f172a73;backdrop-filter:blur(2px)}.seam-sheet-backdrop{align-items:center;justify-content:center;padding:20px}.seam-sheet{width:min(420px,100%);padding:18px;border-radius:16px;background:var(--surface, #fff);box-shadow:0 24px 64px #0f172a47;display:grid;gap:14px}.seam-sheet__header{display:flex;gap:12px;align-items:flex-start}.seam-sheet__icon{display:grid;place-items:center;width:38px;height:38px;flex:0 0 auto;border-radius:10px;color:var(--accent, #2563eb);background:color-mix(in srgb,var(--accent, #2563eb) 12%,transparent)}.seam-sheet__header strong{display:block;font-size:15px}.seam-sheet__header p{margin:2px 0 0;font-size:13px;color:var(--text-secondary)}.seam-sheet__options{display:grid;gap:10px}.seam-sheet__option{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:12px;border:1px solid var(--panel-border);background:var(--panel-bg);color:inherit;cursor:pointer;text-align:left}.seam-sheet__option:hover{border-color:var(--accent, #2563eb);background:color-mix(in srgb,var(--accent, #2563eb) 8%,transparent)}.seam-sheet__option svg{color:var(--accent, #2563eb);flex:0 0 auto}.seam-sheet__option span{display:grid;gap:1px}.seam-sheet__option small{font-size:12px;color:var(--text-secondary)}.seam-sheet__cancel{justify-self:stretch;padding:10px;border-radius:10px;border:1px solid var(--panel-border);background:transparent;font-weight:650;cursor:pointer}.seam-modal-backdrop{align-items:center;justify-content:center;padding:16px}.seam-modal{width:min(920px,100%);max-height:88vh;display:flex;flex-direction:column;border-radius:16px;background:var(--surface, #fff);box-shadow:0 24px 64px #0f172a47;overflow:hidden}.seam-modal__head{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px 12px;padding:14px 18px;border-bottom:1px solid var(--panel-border)}.seam-modal__head strong{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:60vw}.seam-modal__head span{font-size:13px;color:var(--text-secondary)}.seam-modal__prompt{color:var(--accent, #2563eb);font-weight:600}.seam-modal__head-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}.seam-modal__quick,.seam-modal__ghost{padding:8px 12px;border-radius:9px;border:1px solid var(--panel-border);background:var(--panel-bg);font-weight:600;cursor:pointer;flex:0 0 auto}.seam-modal__quick:disabled{opacity:.45;cursor:default}.seam-modal__close{padding:8px 16px;border-radius:9px;border:1px solid var(--accent, #2563eb);background:var(--accent, #2563eb);color:#fff;font-weight:650;cursor:pointer;flex:0 0 auto}.seam-modal__close:disabled{opacity:.5;cursor:default}.seam-modal__body{padding:16px;overflow:auto}.insert-plan-list{list-style:none;margin:0;padding:0;display:grid;gap:6px}.insert-plan-list li{display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:9px;border:1px solid var(--panel-border);background:var(--panel-bg)}.insert-plan-list__empty{border-color:color-mix(in srgb,var(--danger, #dc2626) 45%,transparent)}.insert-plan-list__icon{display:grid;place-items:center;color:var(--accent, #2563eb);flex:0 0 auto}.insert-plan-list__text{display:grid;gap:1px;min-width:0}.insert-plan-list__text strong{font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.insert-plan-list__text small{font-size:11px;color:var(--text-secondary)}.insert-plan-list__remove{display:grid;place-items:center;width:28px;height:28px;border-radius:7px;border:none;background:transparent;color:var(--text-secondary);cursor:pointer;margin-left:auto;flex:0 0 auto}.insert-plan-list__remove:hover{background:color-mix(in srgb,var(--danger, #dc2626) 14%,transparent);color:var(--danger, #dc2626)}@media(max-width:760px){.insert-seam-flow{flex-direction:column;flex-wrap:nowrap;align-items:stretch}.insert-page-card{width:100%;max-width:320px;margin:0 auto}.insert-seam{min-height:0;width:100%}.insert-seam__add{width:100%;height:40px;border-radius:10px}.insert-seam--filled{min-width:0;width:100%;max-width:420px;margin:0 auto}}@media(pointer:coarse){.insert-seam__add{min-height:40px;min-width:40px}.insert-chip__button,.insert-plan-list__remove{min-width:40px;min-height:40px}}