.sequence-view{margin-top:28px;min-width:0;scroll-margin-top:20px}
.sequence-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;border-top:1px solid var(--line);padding-top:24px}
.sequence-heading h2{font:700 28px/1.1 var(--display);margin:6px 0}
.sequence-heading p,#sequence-hint,.sequence-context{font-size:13px;color:var(--muted);line-height:1.5}
#sequence-save-status{font-size:11px;color:var(--muted);flex-shrink:0}
.sequence-board{min-width:0;border:1px solid var(--line);background:var(--fond);border-radius:8px;overflow:hidden}
.sequence-legend{display:flex;flex-wrap:wrap;gap:16px;padding:12px;border-bottom:1px solid var(--line);color:var(--muted);font-size:11px}
.sequence-legend span{display:flex;align-items:center;gap:7px}.sequence-legend i{width:18px;height:2px;background:var(--blue)}.sequence-legend i.option{background:#a88aca}
.sequence-scroll{max-height:520px;overflow:auto;overscroll-behavior:contain}
.sequence-stage{position:relative}
.sequence-stage svg{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.sequence-edge{fill:none;stroke:#a88aca;stroke-width:2}.sequence-edge.main{stroke:var(--blue)}
.study-page .sequence-node{position:absolute;box-sizing:border-box;width:218px;height:150px;padding:12px;border:1px solid var(--line);border-radius:8px;text-align:left;background:var(--surface);color:var(--ink)}
.study-page .sequence-node.selected{border-color:var(--blue);box-shadow:0 0 0 2px var(--blue)}
.study-page .sequence-node.option-branch{border-style:dashed;border-color:#a88aca}
.sequence-node-kind{display:block;color:#8ab9ef;font-size:10px;margin-bottom:5px}
.sequence-node strong{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font:600 19px/1.15 var(--display);overflow-wrap:anywhere}
.sequence-node-time{display:block;color:var(--muted);font-size:11px;margin-top:5px}
.sequence-parent-label{display:none}
.sequence-tools{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.study-page .sequence-tools button,.study-page .sequence-dialog button{min-height:44px;touch-action:manipulation}
.study-page .sequence-tools .primary,.study-page .sequence-dialog .primary{background:var(--blue);color:white}
.sequence-context{margin:8px 0}
.sequence-node-actor{display:block;color:#e9c99b;font-size:12px;line-height:1.3;margin-top:8px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sequence-focus{display:grid;gap:8px;margin:20px 0;font-size:13px}
.sequence-focus select{min-width:0;width:100%;min-height:44px;background:var(--surface);color:var(--ink);border:1px solid var(--line);padding:8px;font-size:16px}
.sequence-selected-details{border-left:2px solid var(--blue);background:var(--surface);padding:8px 14px;margin:16px 0;font-size:13px;overflow-wrap:anywhere}
.sequence-selected-details p{margin:6px 0;line-height:1.5}.sequence-selected-details strong{font-weight:600;color:var(--muted)}
.sequence-actors,.sequence-grips{margin:0;padding:0;border:0;min-width:0}.sequence-actors legend,.sequence-grips legend{font-size:13px;margin-bottom:10px}
#sequence-actors{display:grid;gap:8px}#sequence-actors button{text-align:left;font-size:14px;overflow-wrap:anywhere}#sequence-actors button[aria-pressed=true]{border-color:var(--blue);box-shadow:inset 3px 0 var(--blue)}
.sequence-field-help{font-size:12px;color:var(--muted);line-height:1.5}
.sequence-grips{margin-top:18px}.sequence-grip-row{padding:10px;margin-top:10px;border:1px solid var(--line);border-radius:6px}
.sequence-dialog textarea{width:100%;box-sizing:border-box;font-family:inherit;font-size:16px;line-height:1.4;min-height:90px;background:var(--fond);color:var(--ink);border:1px solid var(--line);padding:10px}
.study-page .sequence-dialog{width:min(500px,calc(100vw - 24px));max-height:85dvh;box-sizing:border-box;padding:24px;overflow:auto}
.sequence-dialog form{display:grid;gap:14px}.sequence-dialog .dialog-heading{margin:0}.sequence-dialog h2{font:700 28px var(--display)}
#sequence-parent{margin:0;color:var(--muted);font-size:13px}
.sequence-dialog label{font-size:13px}
.study-page .sequence-dialog input,.study-page .sequence-dialog select{width:100%;min-height:46px;box-sizing:border-box;font-size:16px;background:var(--fond);color:var(--ink);border:1px solid var(--line);border-radius:6px;padding:10px}
.sequence-suggestions{display:flex;flex-wrap:wrap;gap:7px}.study-page .sequence-suggestions button{border-radius:24px;padding:8px 12px;font-size:13px}
.sequence-dialog details{border-top:1px solid var(--line);padding-top:8px}.sequence-dialog summary{padding:12px 0;cursor:pointer;font-size:13px;color:var(--muted)}
.sequence-dialog details label{display:block;margin:14px 0 6px}.sequence-dialog details button{margin-top:8px}
.sequence-dialog-actions{display:flex;gap:12px;justify-content:flex-end}.sequence-dialog-actions .primary{flex:1}
@media(max-width:700px){
.sequence-heading{align-items:flex-start;flex-wrap:wrap}.sequence-heading h2{font-size:26px}
.sequence-scroll{max-height:480px}.sequence-stage{width:100%!important;height:auto!important;padding:14px;box-sizing:border-box}
.sequence-stage svg{display:none}#sequence-nodes{display:grid;gap:18px}
.study-page .sequence-node{position:relative;left:auto!important;top:auto!important;width:100%;height:auto;min-height:82px;padding:12px 16px}
.sequence-node+.sequence-node:before{content:'↓';position:absolute;top:-19px;left:24px;color:var(--blue);font-size:16px}
.study-page .sequence-node.option-branch{margin-left:14px;width:calc(100% - 14px)}
.sequence-parent-label{display:block;font-size:11px;color:#bca4db;margin-bottom:8px;overflow-wrap:anywhere}
.sequence-node strong{-webkit-line-clamp:unset;display:block}.sequence-node-time{margin-top:5px}
.sequence-tools{display:grid;grid-template-columns:1fr 1fr}.sequence-tools #sequence-edit{grid-column:1/-1}
.study-page .sequence-dialog{margin:auto 0 0;width:100%;max-width:100%;max-height:90dvh;border-radius:18px 18px 0 0;padding:20px;padding-bottom:max(20px,env(safe-area-inset-bottom))}
}