:root{--bg: #f4f6f9;--surface: #ffffff;--border: #e2e8f0;--text: #1e293b;--text-muted: #64748b;--primary: #2563eb;--primary-hover: #1d4ed8;--success: #059669;--warning: #d97706;--danger: #dc2626;--sidebar: #0f172a;--sidebar-text: #cbd5e1;--sidebar-active: #3b82f6;--radius: 10px;--shadow: 0 1px 3px rgba(15, 23, 42, .08)}*{box-sizing:border-box}body{margin:0;font-family:Segoe UI,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}#root{min-height:100vh}.app-layout{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.sidebar{background:var(--sidebar);color:var(--sidebar-text);padding:1.5rem 1rem;display:flex;flex-direction:column;gap:2rem}.sidebar-brand{font-size:1.25rem;font-weight:700;color:#fff;padding:0 .75rem}.sidebar-brand span{display:block;font-size:.75rem;font-weight:400;color:var(--sidebar-text);margin-top:.25rem}.sidebar 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var(--border);border-radius:var(--radius);padding:1.25rem;box-shadow:var(--shadow)}.card-label{font-size:.8125rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em;margin-bottom:.5rem}.card-value{font-size:2rem;font-weight:700;line-height:1}.card-meta{font-size:.85rem;color:var(--text-muted);margin-top:.35rem}.progress-bar{height:10px;background:var(--border);border-radius:999px;overflow:hidden;margin:.75rem 0}.progress-bar-fill{height:100%;background:var(--primary);transition:width .4s ease}.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.panel-header{padding:1rem 1.25rem;border-bottom:1px solid var(--border);font-weight:600}.panel-body{padding:1.25rem}.form-row{display:flex;flex-wrap:wrap;gap:1rem;align-items:flex-end}.form-group{display:flex;flex-direction:column;gap:.375rem}.form-group label{font-size:.875rem;font-weight:500}input,select{padding:.5rem .75rem;border:1px solid var(--border);border-radius:8px;font-size:.9375rem;min-width:160px}button,.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.5625rem 1rem;border:none;border-radius:8px;font-size:.9375rem;font-weight:500;cursor:pointer;background:var(--primary);color:#fff}button:hover,.btn:hover{background:var(--primary-hover)}button:disabled{opacity:.6;cursor:not-allowed}button.secondary{background:#e2e8f0;color:var(--text)}button.secondary:hover{background:#cbd5e1}table{width:100%;border-collapse:collapse;font-size:.9375rem}th,td{text-align:left;padding:.75rem 1rem;border-bottom:1px solid var(--border)}th{font-size:.8125rem;text-transform:uppercase;letter-spacing:.04em;color:var(--text-muted);background:#f8fafc}tr:last-child td{border-bottom:none}tr.clickable-row{cursor:pointer}tr.clickable-row:hover td{background:#f1f5f9}tr.clickable-row.is-selected td{background:#e0f2fe}.panel-hint{margin:0;padding:.75rem 1rem 1rem;font-size:.875rem;color:var(--text-muted)}.route-preview{margin-top:1.5rem}.badge{display:inline-block;padding:.125rem .5rem;border-radius:999px;font-size:.75rem;font-weight:600}.badge-open{background:#dbeafe;color:#1d4ed8}.badge-concept{background:#d1fae5;color:#047857}.badge-warning{background:#fef3c7;color:#b45309}.alert{padding:.875rem 1rem;border-radius:8px;margin-bottom:1rem;font-size:.9375rem}.alert-error{background:#fef2f2;color:#b91c1c;border:1px solid #fecaca}.alert-success{background:#ecfdf5;color:#047857;border:1px solid #a7f3d0}.loading{color:var(--text-muted);padding:2rem;text-align:center}.timeline{display:flex;flex-direction:column;gap:0;position:relative;padding-left:1.5rem}.timeline-item{position:relative;padding:0 0 1.5rem 1.5rem;border-left:2px solid var(--border)}.timeline-item:last-child{border-left-color:transparent;padding-bottom:0}.timeline-item:before{content:"";position:absolute;left:-7px;top:4px;width:12px;height:12px;border-radius:50%;background:var(--primary);border:2px solid #fff;box-shadow:0 0 0 2px var(--primary)}.timeline-time{font-size:.8125rem;color:var(--text-muted);margin-bottom:.25rem}.timeline-title{font-weight:600}.timeline-meta{font-size:.875rem;color:var(--text-muted)}.route-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:1rem;margin-bottom:1.5rem}.stat-box{background:#f8fafc;border-radius:8px;padding:.875rem}.stat-box .label{font-size:.75rem;color:var(--text-muted);text-transform:uppercase}.stat-box .value{font-size:1.25rem;font-weight:700}@media(max-width:768px){.app-layout{grid-template-columns:1fr}.sidebar{padding:1rem}.sidebar nav{flex-direction:row;flex-wrap:wrap}.main-content{padding:1rem}}