:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--accent:#ad1457;--text:#40272f;--muted:#6f4e5c;--border:#d9a3b5;--minor-tick:#c784a0;--major-tick:#b06582;--bg:#ffd1da;--card:#fffefe;--danger:#a31616;font-family:system-ui,-apple-system,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0}.app{flex-direction:column;min-height:100vh;display:flex}.app:has(.timeline-slot){height:100dvh}.app-header h1{letter-spacing:.02em;white-space:nowrap;margin:0;font-size:2rem}.app-header .subtitle{color:var(--muted);margin:.25rem 0 0}.app-header{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:1rem;display:flex}.app-header-actions{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:.75rem 2.5rem;margin-top:.35rem;margin-left:auto;display:flex}.source-entry{border:1px solid color-mix(in srgb, var(--border) 55%, transparent);background-color:color-mix(in srgb, var(--bg) 72%, var(--card));cursor:pointer;border-radius:8px;align-items:center;gap:.3rem;padding:.35rem .6rem;transition:border-color .15s,background-color .15s;display:inline-flex}.source-entry:hover{border-color:color-mix(in srgb, var(--border) 85%, transparent);background-color:color-mix(in srgb, var(--bg) 52%, var(--card))}.source-entry:focus-visible{outline:2px solid color-mix(in srgb, var(--accent) 50%, transparent);outline-offset:2px;border-color:var(--accent)}.source-entry-swatch{border-radius:2px;flex:none;width:.75em;height:.75em}.source-entry-count{color:var(--muted);font-variant-numeric:tabular-nums;margin-left:.15rem;font-size:.85rem}.source-manager{overscroll-behavior:contain;background:var(--card);border-radius:12px;width:100%;max-width:480px;max-height:min(70vh,560px);padding:1.5rem 1.5rem 1.4rem;position:relative;overflow-y:auto;box-shadow:0 12px 32px #40272f3d}.source-manager:focus{outline:none}.source-manager-note{color:var(--muted);margin:0 0 1rem;font-size:.85rem}.source-manager-list{flex-direction:column;gap:.5rem;margin:0;padding:0;list-style:none;display:flex}.source-manager-item{border:1px solid color-mix(in srgb, var(--border) 55%, transparent);background-color:color-mix(in srgb, var(--bg) 40%, var(--card));border-radius:10px;flex-wrap:wrap;align-items:center;gap:.4rem .6rem;padding:.5rem .65rem;display:flex}.source-manager-handle{text-align:center;width:1.15rem;color:var(--muted);flex:none;font-size:1rem;line-height:1}.source-manager-item[data-lane] .source-manager-handle{cursor:grab;touch-action:none;-webkit-user-select:none;user-select:none}.source-manager-item[data-dragging]{border-color:color-mix(in srgb, var(--accent) 45%, transparent);background-color:color-mix(in srgb, var(--bg) 18%, var(--card));box-shadow:0 6px 16px #40272f33}.source-manager-item[data-dragging] .source-manager-handle{cursor:grabbing;color:var(--accent)}.source-manager-check{cursor:pointer;flex:auto;align-items:center;gap:.4rem;min-width:0;display:inline-flex}.source-manager-item:has(.source-manager-check input:disabled) .source-manager-check{cursor:not-allowed;opacity:.6}.source-manager-swatch{border-radius:2px;flex:none;width:.8em;height:.8em}.source-manager-swatch.is-unset{border:1px dashed color-mix(in srgb, var(--muted) 60%, transparent)}.source-manager-name{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.source-manager-tools{flex:none;gap:.4rem;display:flex}.source-manager-inline{flex:100%;align-items:center;gap:.4rem;display:flex}.source-manager-confirm-text{min-width:0;color:var(--muted);flex:auto;font-size:.85rem}.source-manager-input{min-width:0;font:inherit;border:1px solid color-mix(in srgb, var(--border) 55%, transparent);background-color:color-mix(in srgb, var(--bg) 72%, var(--card));color:var(--text);border-radius:8px;flex:auto;padding:.3rem .5rem}.source-manager-input:focus{outline:2px solid color-mix(in srgb, var(--accent) 50%, transparent);outline-offset:1px;border-color:var(--accent)}.source-manager-hint{color:var(--muted);flex:100%;margin:0;font-size:.8rem;line-height:1.5}.source-manager-danger{border-color:color-mix(in srgb, var(--danger) 45%, transparent);color:var(--danger)}.status{border:1px solid var(--border);background:var(--card);border-radius:10px;margin-top:2.5rem;padding:1rem 1.25rem}.status.error{border-left:4px solid var(--danger)}.status.error h2{color:var(--danger);margin:0 0 .5rem;font-size:1.1rem}.status.error ul{margin:0;padding-left:1.25rem;line-height:1.7}.status.error li::marker{color:var(--danger)}.app-inner{width:100%;max-width:720px;margin:0 auto;padding:3rem 1.5rem 0}.app[data-orientation=vertical]{height:100dvh;overflow:hidden}.app[data-orientation=vertical] .app-inner{flex-direction:column;flex:none;width:100%;max-width:none;padding:.6rem .75rem 0;display:flex}.app[data-orientation=vertical] .app-inner.has-error{flex:auto;min-height:0}.app[data-orientation=vertical] .app-header{align-items:center;gap:.5rem}.app[data-orientation=vertical] .app-header h1{white-space:nowrap;font-size:1.05rem}.app[data-orientation=vertical] .app-header .subtitle{display:none}.app[data-orientation=vertical] .app-header-actions{flex:auto;gap:.5rem 1.25rem;min-width:0;margin-top:0}.app[data-orientation=vertical] .source-entry{gap:.2rem;padding:.25rem .45rem}.app[data-orientation=vertical] .status.error{flex:auto;min-height:0;margin-top:.75rem;overflow:auto}.app[data-orientation=vertical] .timeline-slot{flex-direction:row;flex:auto;justify-content:flex-start;align-items:stretch;min-height:0;padding:0}.app[data-orientation=vertical] .main-timeline-zone{flex:auto;align-items:stretch;min-width:0;min-height:0}.timeline-slot{flex-direction:column;flex:1;justify-content:center;min-height:160px;padding:0 1rem;display:flex}.main-timeline-zone{align-items:center;min-height:160px;display:flex;position:relative}.timeline-overview{background:var(--bg);touch-action:none;cursor:pointer;-webkit-user-select:none;user-select:none;--axis-resize-cursor:ew-resize;flex-shrink:0;width:100%;height:56px;position:relative;overflow:hidden}.timeline-overview:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.overview-density{align-items:flex-end;padding:8px 0 6px;display:flex;position:absolute;inset:0}.overview-bar{opacity:.5;border-radius:1px 1px 0 0;flex-direction:column-reverse;flex:1 1 0;min-width:0;display:flex;overflow:hidden}.overview-segment{flex-shrink:0;flex-basis:0;min-width:0;min-height:0}.overview-axis{background:var(--text);opacity:.55;height:2px;position:absolute;bottom:5px;left:0;right:0}.overview-viewport{border:2px solid var(--accent);background:color-mix(in srgb, var(--accent) 12%, transparent);cursor:grab;touch-action:none;border-radius:4px;position:absolute;top:0;bottom:0}.overview-viewport:hover,.timeline-overview[data-overview-drag] .overview-viewport{border-color:color-mix(in srgb, var(--accent) 62%, var(--card));border-width:3px}.timeline-overview[data-overview-edge-hover],.timeline-overview[data-overview-edge-hover] .overview-viewport,.timeline-overview[data-overview-drag=start-edge],.timeline-overview[data-overview-drag=start-edge] .overview-viewport,.timeline-overview[data-overview-drag=end-edge],.timeline-overview[data-overview-drag=end-edge] .overview-viewport{cursor:var(--axis-resize-cursor)}.timeline-overview[data-overview-drag=inside-box],.timeline-overview[data-overview-drag=inside-box] .overview-viewport{cursor:grabbing}.timeline-overview[data-orientation=vertical]{--axis-resize-cursor:ns-resize;flex:0 0 36px;order:-1;width:36px;height:auto}.timeline-overview[data-orientation=vertical]:focus-visible{outline-offset:-2px}.timeline-overview[data-orientation=vertical] .overview-density{flex-direction:column;align-items:flex-start;padding:0 8px 0 6px}.timeline-overview[data-orientation=vertical] .overview-bar{border-radius:0 1px 1px 0;flex-direction:row;min-height:0}.timeline-overview[data-orientation=vertical] .overview-axis{width:2px;height:auto;inset:0 auto 0 5px}.timeline-overview[data-orientation=vertical] .overview-viewport{width:auto;bottom:auto;left:0;right:0}.main-timeline{width:100%;height:var(--timeline-canvas-cross);background:var(--bg);touch-action:none;cursor:pointer;-webkit-user-select:none;user-select:none;max-height:100%;position:relative;overflow:hidden}.main-timeline[data-orientation=vertical]{height:100%}.timeline-cross-scroll{touch-action:none;scrollbar-width:thin;position:absolute;inset:0;overflow:hidden}.main-timeline[data-orientation=horizontal] .timeline-cross-scroll{bottom:var(--timeline-axis-band);overflow-y:auto}.main-timeline[data-orientation=vertical] .timeline-cross-scroll{left:var(--timeline-axis-band);overflow-x:auto}.timeline-cross-scroll::-webkit-scrollbar{width:6px;height:6px}.timeline-cross-scroll::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}.timeline-cross-scroll::-webkit-scrollbar-track{background:0 0}.timeline-canvas{width:100%;height:calc(var(--timeline-canvas-cross) - var(--timeline-axis-band));position:relative}.main-timeline[data-orientation=vertical] .timeline-canvas{height:100%;width:calc(var(--timeline-canvas-cross) - var(--timeline-axis-band));min-width:100%}.main-timeline[data-orientation=vertical] .timeline-axis-line{top:0;bottom:0;left:calc(var(--timeline-axis-cross-center) - var(--timeline-axis-thickness) / 2);width:var(--timeline-axis-thickness);height:auto}.main-timeline[data-orientation=vertical] .timeline-layer{width:100%;height:100%}.main-timeline[data-orientation=vertical] .tick{width:100%;height:auto;top:auto;left:0}.main-timeline[data-orientation=vertical] .tick .tick-bar{top:50%;bottom:auto;left:calc(var(--timeline-axis-cross-center) + var(--timeline-axis-thickness) / 2);width:var(--timeline-major-tick-length);height:1px;transform:translateY(-50%)}.main-timeline[data-orientation=vertical] .tick.major .tick-bar{width:var(--timeline-major-tick-length);height:1px}.main-timeline[data-orientation=vertical] .tick.minor .tick-bar{width:var(--timeline-minor-tick-length);height:1px}.main-timeline[data-orientation=vertical] .tick-label{top:50%;bottom:auto;left:calc(var(--timeline-axis-cross-center) - var(--timeline-axis-thickness) / 2 - var(--timeline-tick-label-gap));text-align:right;transform:translate(-100%,-50%)}.main-timeline[data-orientation=vertical] .event-marker,.main-timeline[data-orientation=vertical] .cluster-marker{bottom:auto;left:var(--timeline-marker-raise)}.main-timeline[data-orientation=vertical] .event-marker:not(.expanded):after,.main-timeline[data-orientation=vertical] .cluster-marker:not(.expansion-overflow):after{width:calc(var(--timeline-marker-raise) - var(--timeline-event-marker-size) / 2);background:repeating-linear-gradient(to left, var(--text) 0, var(--text) 4px, transparent 4px, transparent 8px);height:1px;top:50%;left:auto;right:100%;transform:translateY(-50%)}.main-timeline[data-orientation=vertical] .cluster-marker:not(.expansion-overflow):after{width:calc(var(--timeline-marker-raise) - var(--timeline-cluster-marker-size) / 2)}.main-timeline[data-orientation=vertical] .cluster-expansion-line{background:repeating-linear-gradient(to right, var(--text) 0, var(--text) 4px, transparent 4px, transparent 8px);height:1px;top:0;transform:translateY(-50%)}.marker-tooltip{z-index:10;background:var(--card);border:1px solid var(--border);max-width:260px;color:var(--text);pointer-events:none;white-space:normal;overflow-wrap:anywhere;border-radius:6px;padding:4px 8px;font-size:12px;line-height:1.4;position:absolute;box-shadow:0 2px 8px #40272f33}.timeline-axis-line{left:0;right:0;bottom:calc(var(--timeline-axis-band) - var(--timeline-axis-thickness) / 2);height:var(--timeline-axis-thickness);background:var(--text);opacity:.85;pointer-events:none;position:absolute}.timeline-layer{will-change:transform;pointer-events:none;height:100%;position:absolute;top:0;left:0}.tick{height:100%;position:absolute;top:0}.tick-bar{background:var(--major-tick);width:1px;position:absolute;left:50%}.tick.major .tick-bar,.tick.minor .tick-bar{bottom:calc(var(--timeline-axis-band) + var(--timeline-axis-thickness) / 2)}.tick.major .tick-bar{height:var(--timeline-major-tick-length);background:var(--major-tick)}.tick.minor .tick-bar{height:var(--timeline-minor-tick-length);background:var(--minor-tick)}.tick-label{bottom:calc(var(--timeline-axis-band) - var(--timeline-axis-thickness) / 2 - var(--timeline-tick-label-gap));color:var(--muted);white-space:nowrap;font-size:12px;line-height:1.2;position:absolute;left:50%;transform:translate(-50%,100%)}.tick.minor .tick-label{display:none}.event-layer{width:100%;height:100%;position:absolute;top:0;left:0}.lane{pointer-events:none;position:absolute;inset:0}.main-timeline[data-orientation=vertical] .lane{width:0;right:auto}.lane .event-marker,.lane .cluster-marker{pointer-events:auto}.coincidence-layer{pointer-events:none;position:absolute;inset:0}.coincidence-line{opacity:.55;background:repeating-linear-gradient(to bottom, var(--text) 0, var(--text) 4px, transparent 4px, transparent 8px);width:1px;height:1px;position:absolute}.main-timeline[data-orientation=vertical] .coincidence-line{background:repeating-linear-gradient(to right, var(--text) 0, var(--text) 4px, transparent 4px, transparent 8px)}.event-marker{bottom:calc(var(--timeline-marker-raise) - var(--timeline-event-marker-size));width:var(--timeline-event-marker-size);height:var(--timeline-event-marker-size);position:absolute;transform:translate(-50%,-50%)}.event-marker:not(.expanded):after{content:"";width:1px;height:calc(var(--timeline-marker-raise) - var(--timeline-event-marker-size) / 2);background:repeating-linear-gradient(to bottom, var(--text) 0, var(--text) 4px, transparent 4px, transparent 8px);opacity:.55;pointer-events:none;position:absolute;top:100%;left:50%;transform:translate(-50%)}.event-dot{background:var(--source-color);border:2px solid var(--bg);border-radius:50%;transition:transform .12s;position:absolute;inset:0;box-shadow:0 1px 3px #40272f47}.event-marker:hover .event-dot{transform:scale(1.3)}.event-marker.circa .circa-badge{color:var(--source-color);background:var(--card);border:1px solid var(--source-color);white-space:nowrap;border-radius:4px;padding:0 3px;font-size:9px;font-weight:600;line-height:14px;position:absolute;top:-8px;right:-4px;box-shadow:0 1px 2px #40272f29}.event-marker:focus{outline:none}.event-marker:focus .event-dot,.event-marker:focus-visible .event-dot{outline:2px solid var(--source-color);outline-offset:2px}.dialog-backdrop{z-index:50;background:#40272f59;justify-content:center;align-items:center;padding:1.25rem;display:flex;position:fixed;inset:0}.event-dialog{background:var(--card);border-radius:12px;width:100%;max-width:420px;padding:1.5rem 1.5rem 1.4rem;position:relative;box-shadow:0 12px 32px #40272f3d}.dialog-close{width:28px;height:28px;color:var(--muted);cursor:pointer;background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;font-size:18px;line-height:1;display:flex;position:absolute;top:.75rem;right:.75rem}.dialog-close:hover{background:var(--border);color:var(--text)}.dialog-title{margin:0 2.25rem .5rem 0;font-size:1.25rem;line-height:1.4}.dialog-time{color:var(--accent);margin:0 0 .75rem;font-size:.9rem;font-weight:600}.dialog-description{margin:0;line-height:1.8}.event-dialog:focus{outline:none}.cluster-marker{bottom:calc(var(--timeline-marker-raise) - var(--timeline-cluster-marker-size));width:var(--timeline-cluster-marker-size);height:var(--timeline-cluster-marker-size);background:var(--source-color);border:2px solid var(--bg);color:#fff;cursor:pointer;-webkit-user-select:none;user-select:none;border-radius:50%;justify-content:center;align-items:center;font-size:11px;font-weight:700;line-height:1;transition:transform .12s;display:flex;position:absolute;transform:translate(-50%,-50%);box-shadow:0 1px 3px #40272f47}.cluster-marker:not(.expansion-overflow):after{content:"";width:1px;height:calc(var(--timeline-marker-raise) - var(--timeline-cluster-marker-size) / 2);background:repeating-linear-gradient(to bottom, var(--text) 0, var(--text) 4px, transparent 4px, transparent 8px);opacity:.55;pointer-events:none;position:absolute;top:100%;left:50%;transform:translate(-50%)}.cluster-marker:hover{transform:translate(-50%,-50%)scale(1.15)}.cluster-marker:focus{outline:none}.cluster-marker:focus-visible{outline:2px solid var(--source-color);outline-offset:2px}.main-timeline[data-multi-lane] .event-marker:not(.expanded):after,.main-timeline[data-multi-lane] .cluster-marker:not(.expansion-overflow):after{content:none}.cluster-list{background:var(--card);border-radius:12px;width:100%;max-width:420px;padding:1.5rem 1.5rem 1.2rem;position:relative;box-shadow:0 12px 32px #40272f3d}.cluster-list-items{max-height:55vh;margin:.75rem 0 0;padding:0;list-style:none;overflow-y:auto}.cluster-list-item{text-align:left;width:100%;font:inherit;cursor:pointer;background:0 0;border:none;border-radius:8px;flex-direction:column;gap:2px;padding:.65rem .75rem;display:flex}.cluster-list-item:hover{background:var(--bg)}.cluster-list-item:focus{outline:none}.cluster-list-item:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.cluster-list-item-title{color:var(--text);font-weight:600}.cluster-list-item-time{color:var(--accent);font-size:.85rem;font-weight:600}.cluster-expansion{height:100%;position:absolute;top:0;left:0}.cluster-expansion-line{background:repeating-linear-gradient(to bottom, var(--text) 0, var(--text) 4px, transparent 4px, transparent 8px);opacity:.55;width:1px;position:absolute;left:0;transform:translate(-50%)}.event-marker.expanded{left:0}.event-marker .event-marker-title{color:var(--text);white-space:nowrap;text-overflow:ellipsis;margin-left:8px;font-size:12px;line-height:1.2;position:absolute;top:50%;left:100%;overflow:hidden;transform:translateY(-50%)}.cluster-marker.expansion-overflow{left:0}.cluster-expansion-line{transition:opacity .28s}.event-marker.expanded{transition:top .28s cubic-bezier(.22,1,.36,1),left .28s cubic-bezier(.22,1,.36,1),opacity .28s}.event-marker.expanded .event-marker-title{transition:opacity .28s}.cluster-marker.expansion-overflow{transition:transform .12s,top .28s cubic-bezier(.22,1,.36,1),left .28s cubic-bezier(.22,1,.36,1),opacity .28s}.cluster-expansion.leaving{pointer-events:none}.switcher-btn{font:inherit;border:1px solid color-mix(in srgb, var(--border) 55%, transparent);background-color:color-mix(in srgb, var(--bg) 72%, var(--card));color:var(--text);cursor:pointer;white-space:nowrap;border-radius:8px;padding:.3rem .6rem;transition:border-color .15s,background-color .15s}.switcher-btn:hover{border-color:color-mix(in srgb, var(--border) 85%, transparent);background-color:color-mix(in srgb, var(--bg) 52%, var(--card))}.switcher-btn:focus-visible{outline:2px solid color-mix(in srgb, var(--accent) 50%, transparent);outline-offset:2px;border-color:var(--accent)}.switcher-btn:disabled{cursor:default;opacity:.45}.header-upload-btn{flex:none}.header-upload-label{margin-left:.25rem}.app[data-orientation=vertical] .header-upload-label{display:none}.empty-state{width:100%;max-width:720px;margin:0 auto;padding:2.5rem 1.5rem 3rem}.empty-state-back{margin:0 0 .9rem auto;display:block}.upload-zone{width:100%;font:inherit;color:var(--text);background:var(--card);border:2px dashed var(--border);cursor:pointer;border-radius:12px;flex-direction:column;align-items:center;gap:.4rem;padding:2.5rem 1.5rem;transition:border-color .15s,background-color .15s;display:flex}.upload-zone:hover{border-color:var(--accent);background:color-mix(in srgb, var(--accent) 5%, var(--card))}.upload-zone:focus-visible{outline:2px solid color-mix(in srgb, var(--accent) 50%, transparent);outline-offset:2px}.upload-zone-title{font-size:1.2rem;font-weight:600}.upload-zone-hint{color:var(--muted);font-size:.9rem}.format-guide{margin-top:1.5rem}.format-guide-heading{margin:0 0 .4rem;font-size:1rem}.format-guide-intro{color:var(--muted);margin:0 0 .6rem;font-size:.9rem}.format-guide-fields{grid-template-columns:auto 1fr;gap:.25rem .9rem;margin:0 0 1rem;font-size:.9rem;display:grid}.format-guide-fields dt{color:var(--accent);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-weight:600}.format-guide-fields dd{margin:0}.format-guide-snippet{background:var(--card);border:1px solid var(--border);border-radius:10px;margin:0;padding:.8rem 1rem;font-size:.82rem;line-height:1.55;overflow-x:auto}.format-guide-note{color:var(--muted);margin:.8rem 0 0;font-size:.85rem}.drop-overlay{z-index:100;background:color-mix(in srgb, var(--accent) 14%, transparent);pointer-events:none;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.drop-overlay-hint{background:var(--card);border:2px dashed var(--accent);color:var(--accent);border-radius:12px;padding:.9rem 1.6rem;font-size:1.1rem;font-weight:600;box-shadow:0 12px 32px #40272f3d}.status.error p{margin:0;line-height:1.7}.upload-errors-head{justify-content:space-between;align-items:flex-start;gap:.5rem;display:flex}.upload-errors-close{width:28px;height:28px;color:var(--muted);cursor:pointer;background:0 0;border:none;border-radius:50%;flex:none;justify-content:center;align-items:center;font-size:18px;line-height:1;display:flex}.upload-errors-close:hover{background:var(--border);color:var(--text)}.upload-errors-file h3{margin:.6rem 0 .2rem;font-size:.95rem}.app[data-orientation=vertical] .empty-state{flex:auto;max-width:none;min-height:0;padding:.75rem;overflow:auto}