:root{--color-bg: #1a1a2e;--color-sidebar: #16213e;--color-header: #0f3460;--color-accent: #4a9eff;--color-text: #e0e0e0;--color-text-muted: #8899aa;--color-border: #2a3a5e;--color-dropzone: #1e2d4f;--color-dropzone-hover: #253a63;--color-cut: #e74c3c;--color-fill: #3498db;--color-net: #2ecc71;--color-error: #e74c3c;--sidebar-width: 360px;--header-height: 48px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--color-bg);color:var(--color-text);overflow:hidden;height:100vh}#root{height:100vh}.app-layout{display:flex;flex-direction:column;height:100vh}.header{display:flex;align-items:center;justify-content:space-between;height:var(--header-height);padding:0 16px;background:var(--color-header);border-bottom:1px solid var(--color-border);flex-shrink:0}.header__title{display:flex;align-items:center;gap:8px}.header__icon{font-size:20px}.header__name{font-size:18px;font-weight:700;letter-spacing:.5px}.header__subtitle{font-size:13px;color:var(--color-text-muted)}.header__lang-btn{padding:4px 12px;background:transparent;border:1px solid var(--color-accent);color:var(--color-accent);border-radius:4px;cursor:pointer;font-size:13px;font-weight:600}.header__lang-btn:hover{background:var(--color-accent);color:#fff}.app-body{display:flex;flex:1;overflow:hidden}.viewport{flex:1;position:relative;background:#111}.sidebar{width:var(--sidebar-width);background:var(--color-sidebar);border-left:1px solid var(--color-border);overflow-y:auto;flex-shrink:0}.sidebar-section{padding:12px 16px;border-bottom:1px solid var(--color-border)}.sidebar-section__title{font-size:12px;font-weight:600;text-transform:uppercase;color:var(--color-text-muted);margin-bottom:10px;letter-spacing:.5px}.upload-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.upload-count{font-size:12px;color:var(--color-text-muted);font-weight:600}.dropzone{border:2px dashed var(--color-border);border-radius:8px;padding:16px;text-align:center;cursor:pointer;transition:border-color .2s,background .2s;background:var(--color-dropzone)}.dropzone:hover,.dropzone--active{border-color:var(--color-accent);background:var(--color-dropzone-hover)}.dropzone--parsing{cursor:wait;border-color:var(--color-accent)}.dropzone-hint{font-size:12px;color:var(--color-text-muted)}.dropzone-parsing{font-size:12px;color:var(--color-accent)}.upload-actions{display:flex;gap:8px;margin-top:8px}.upload-btn{flex:1;padding:6px 10px;font-size:12px;font-weight:600;border:none;border-radius:4px;cursor:pointer;background:var(--color-accent);color:#fff}.upload-btn:hover{opacity:.9}.upload-btn:disabled{opacity:.4;cursor:not-allowed}.upload-btn--secondary{background:transparent;border:1px solid var(--color-accent);color:var(--color-accent)}.upload-btn--secondary:hover{background:#4a9eff1a}.timeline-empty{font-size:12px;color:var(--color-text-muted);text-align:center;padding:12px 0}.timeline-list{display:flex;flex-direction:column}.timeline-item{display:flex;align-items:flex-start;gap:8px;padding:8px 6px;border-radius:4px;border-left:3px solid transparent;transition:background .15s}.timeline-item:hover{background:#ffffff08}.timeline-item--active{border-left-color:var(--color-accent);background:#4a9eff0f}.timeline-index{width:20px;text-align:center;font-size:12px;font-weight:700;color:var(--color-text-muted);padding-top:2px;flex-shrink:0}.timeline-info{flex:1;display:flex;flex-direction:column;gap:2px;min-width:0}.timeline-filename{font-size:12px;font-weight:600;word-break:break-all;line-height:1.3}.timeline-points{font-size:11px;color:var(--color-text-muted)}.timeline-date-input{width:130px;padding:2px 4px;font-size:11px;background:var(--color-dropzone);border:1px solid var(--color-border);border-radius:3px;color:var(--color-text);color-scheme:dark}.timeline-date-input::-webkit-calendar-picker-indicator{filter:invert(.7)}.timeline-actions{display:flex;gap:2px;flex-shrink:0}.timeline-btn{width:22px;height:22px;padding:0;font-size:10px;line-height:1;background:var(--color-dropzone);border:1px solid var(--color-border);border-radius:3px;color:var(--color-text-muted);cursor:pointer;display:flex;align-items:center;justify-content:center}.timeline-btn:hover:not(:disabled){background:var(--color-dropzone-hover);color:var(--color-text)}.timeline-btn:disabled{opacity:.3;cursor:not-allowed}.timeline-btn--delete:hover:not(:disabled){color:var(--color-error);border-color:var(--color-error)}.timeline-connector{display:flex;align-items:center;gap:4px;padding:4px 6px 4px 28px;font-size:11px;cursor:pointer;border-left:3px solid transparent;transition:background .15s}.timeline-connector:hover{background:#ffffff0a}.timeline-connector--selected{background:#4a9eff14;border-left-color:var(--color-accent)}.connector-cut{color:var(--color-cut);font-weight:600;font-variant-numeric:tabular-nums}.connector-fill{color:var(--color-fill);font-weight:600;font-variant-numeric:tabular-nums}.connector-net{color:var(--color-net);font-weight:600;font-variant-numeric:tabular-nums}.connector-sep{color:var(--color-text-muted)}.connector-unit{color:var(--color-text-muted);font-size:10px}.clear-all-btn{width:100%;margin-top:8px;padding:5px;font-size:11px;background:transparent;border:1px solid var(--color-border);border-radius:4px;color:var(--color-text-muted);cursor:pointer}.clear-all-btn:hover{border-color:var(--color-error);color:var(--color-error)}.setting-row{display:flex;align-items:center;gap:8px;margin-bottom:10px;font-size:13px}.setting-row label{flex:1;color:var(--color-text-muted);font-size:12px}.setting-input{width:70px;padding:4px 8px;background:var(--color-dropzone);border:1px solid var(--color-border);border-radius:4px;color:var(--color-text);font-size:13px;text-align:right}.setting-select{flex:1;padding:4px 6px;background:var(--color-dropzone);border:1px solid var(--color-border);border-radius:4px;color:var(--color-text);font-size:11px}.setting-row input[type=range]{flex:1;accent-color:var(--color-accent)}.setting-value{width:40px;text-align:right;font-size:12px;color:var(--color-text-muted)}.toggle-group{display:flex;gap:0}.toggle-btn{padding:4px 10px;font-size:12px;background:var(--color-dropzone);border:1px solid var(--color-border);color:var(--color-text-muted);cursor:pointer}.toggle-btn:first-child{border-radius:4px 0 0 4px}.toggle-btn:last-child{border-radius:0 4px 4px 0;border-left:none}.toggle-btn--active{background:var(--color-accent);border-color:var(--color-accent);color:#fff}.results-card{background:#ffffff08}.results-table-wrapper{overflow-x:auto;margin-bottom:8px}.results-table{width:100%;border-collapse:collapse;font-size:11px;font-variant-numeric:tabular-nums}.results-table th{text-align:right;padding:4px 6px;font-weight:600;color:var(--color-text-muted);border-bottom:1px solid var(--color-border);white-space:nowrap}.results-table th:first-child,.results-table td:first-child{text-align:center;width:24px}.results-table td{text-align:right;padding:4px 6px;border-bottom:1px solid rgba(255,255,255,.04)}.results-table .date-cell{text-align:left;font-size:10px;max-width:100px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.results-table tbody tr{cursor:pointer;transition:background .1s}.results-table tbody tr:hover{background:#ffffff0a}.results-table tbody tr.selected{background:#4a9eff1a}.results-table .col-cut{color:var(--color-cut)}.results-table .col-fill{color:var(--color-fill)}.results-table .col-net{color:var(--color-net)}.results-table .cumulative-row{font-weight:700;border-top:2px solid var(--color-border)}.results-table .cumulative-row td{padding-top:6px;border-bottom:none}.charts-container{padding:4px 0}.export-group{display:flex;gap:8px;margin-top:8px}.export-btn{flex:1;padding:7px 10px;background:var(--color-accent);border:none;border-radius:5px;color:#fff;font-size:12px;font-weight:600;cursor:pointer;text-align:center}.export-btn:hover{opacity:.9}.export-btn--secondary{background:transparent;border:1px solid var(--color-accent);color:var(--color-accent)}.export-btn--secondary:hover{background:#4a9eff1a}.coordinate-bar{position:absolute;bottom:8px;left:8px;padding:4px 10px;background:#000000b3;color:var(--color-text);font-family:Courier New,monospace;font-size:12px;border-radius:4px;pointer-events:none;z-index:10;white-space:nowrap}.error-banner{padding:10px 16px;background:#e74c3c26;border-left:3px solid var(--color-error);color:var(--color-error);font-size:12px;margin:0}.gate-overlay{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:var(--color-bg);z-index:9999}.gate-box{display:flex;flex-direction:column;align-items:center;gap:14px;padding:40px 48px;background:var(--color-sidebar);border:1px solid var(--color-border);border-radius:12px;min-width:320px}.gate-title{font-size:24px;font-weight:700;letter-spacing:.5px}.gate-subtitle{font-size:13px;color:var(--color-text-muted)}.gate-input{width:100%;padding:10px 14px;font-size:14px;background:var(--color-dropzone);border:1px solid var(--color-border);border-radius:6px;color:var(--color-text);text-align:center}.gate-input:focus{outline:none;border-color:var(--color-accent)}.gate-error{font-size:12px;color:var(--color-error)}.gate-btn{width:100%;padding:10px;font-size:14px;font-weight:600;background:var(--color-accent);border:none;border-radius:6px;color:#fff;cursor:pointer}.gate-btn:hover{opacity:.9}@media (max-width: 768px){.app-body{flex-direction:column}.sidebar{width:100%;border-left:none;border-top:1px solid var(--color-border);max-height:50vh}}