.segmented{display:inline-flex;gap:4px;padding:4px;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-pill)}.segmented-item{display:inline-flex;align-items:center;gap:var(--s-2);padding:var(--s-2) var(--s-4);border:none;background:transparent;color:var(--text-muted);font-weight:600;font-size:.92rem;border-radius:var(--r-pill);white-space:nowrap;transition:color .2s var(--ease),background .2s var(--ease)}.segmented-item:not(.segmented-item--on):hover{color:var(--text)}.segmented-item--on{background:var(--accent-fill);color:var(--on-accent)}@media (max-width: 640px){.segmented--md .segmented-item{padding:var(--s-2) var(--s-3);font-size:.85rem}}.btn{display:inline-flex;align-items:center;gap:var(--s-2);border:1px solid transparent;border-radius:var(--r-md);padding:var(--s-3) var(--s-5);font-size:.98rem;font-weight:600;color:var(--text);background:var(--surface-2);border-color:var(--border);white-space:nowrap;transition:transform .15s var(--ease),background .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease)}.btn:hover{background:var(--surface-hover);border-color:var(--border-strong)}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn--sm{padding:var(--s-2) var(--s-3);font-size:.85rem}.btn--lg{padding:var(--s-4) var(--s-6);font-size:1.05rem}.btn-primary{background:var(--accent-fill);border-color:transparent;color:var(--on-accent);font-weight:800;box-shadow:var(--shadow-md)}.btn-primary:hover{background:var(--accent-fill-hover);box-shadow:var(--glow)}.btn-ghost{background:transparent;border-color:transparent;color:var(--text-muted)}.btn-ghost:hover{background:var(--surface);color:var(--text)}.btn-danger{color:var(--text-muted);background:transparent;border-color:var(--border)}.btn-danger:hover{color:var(--danger);background:var(--danger-soft);border-color:#e8837e4d}.btn-dashed{background:transparent;border-style:dashed}.navbar{position:sticky;top:0;z-index:50;background:var(--bg-elevated);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border)}.navbar-inner{max-width:1100px;margin:0 auto;padding:var(--s-3) var(--s-5);display:flex;align-items:center;justify-content:space-between;gap:var(--s-5)}.navbar-links{display:flex;justify-content:center;min-width:0}.navbar-auth{display:flex;align-items:center;gap:var(--s-3);white-space:nowrap}.navbar-hello{font-weight:700;color:var(--text-muted);font-size:.92rem}.navbar-auth-btn{padding:var(--s-2) var(--s-4);font-size:.9rem}.brand{display:flex;align-items:center;gap:var(--s-3)}.brand-text{display:flex;flex-direction:column;font-weight:800;font-size:1.15rem;line-height:1.1}.brand-text small{font-weight:500;font-size:.72rem;color:var(--text-faint);letter-spacing:.02em}.nav-link--active{font-weight:800;box-shadow:var(--shadow-sm)}@media (max-width: 640px){.brand-text small{display:none}}.page-header{margin-bottom:var(--s-6)}.page-title{font-size:clamp(2.4rem,5vw,3.6rem);font-weight:900;letter-spacing:-.035em;line-height:1.02;color:#fff;display:inline-block}.page-subtitle{color:var(--text-muted);font-size:1.05rem;margin-top:var(--s-2)}.page{width:100%;max-width:1100px;margin:0 auto;padding:var(--s-7) var(--s-5) var(--s-7);animation:rise .5s var(--ease) both}.icon-btn{flex:none;display:grid;place-items:center;border:none;background:transparent;color:var(--text-muted);border-radius:50%;transition:color .2s var(--ease),background .2s var(--ease)}.icon-btn:hover{color:var(--text);background:var(--surface-hover)}.icon-btn--danger:hover{color:var(--danger);background:var(--danger-soft)}.icon-btn--info{color:var(--info-text);background:var(--info-soft)}.icon-btn--info:hover{color:var(--info-text);background:rgba(var(--info-rgb),.22)}.icon-btn--xs{width:18px;height:18px}.icon-btn--sm{width:24px;height:24px}.icon-btn--md{width:30px;height:30px;border-radius:var(--r-sm)}.icon-btn--lg{width:42px;height:42px}.ac{position:relative;width:100%;z-index:1}.ac--open{z-index:20}.ac-label{display:block;font-size:.85rem;font-weight:600;color:var(--text-muted);margin-bottom:var(--s-2)}.ac-field{display:flex;align-items:center;gap:var(--s-2);background:var(--surface-2);border:1.5px solid var(--border);border-radius:var(--r-md);padding:0 var(--s-3);transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease)}.ac-field:focus-within{border-color:var(--accent);box-shadow:var(--ring);background:var(--surface)}.ac-field--open{border-bottom-left-radius:0;border-bottom-right-radius:0}.ac-field--invalid{border-color:var(--danger)}.ac-field--invalid:focus-within{border-color:var(--danger);box-shadow:0 0 0 3px var(--danger-soft)}.ac-field--tags{flex-wrap:wrap;padding-block:var(--s-2)}.ac-field--tags .ac-input{flex:1 1 6ch;min-width:6ch;padding-block:var(--s-1)}.ac-icon{display:flex;align-items:center;color:var(--text-muted)}.ac-field:focus-within .ac-icon{color:var(--accent)}.ac-input{flex:1;border:none;outline:none;background:transparent;color:var(--text);font-size:1.02rem;padding:var(--s-3) 0;min-width:0}.ac-input::placeholder{color:var(--text-faint)}.ac-clear{color:var(--text-faint)}.ac-list{position:absolute;z-index:1000;top:100%;inset-inline:0;margin:0;padding:var(--s-1);list-style:none;background:var(--surface);border:1.5px solid var(--accent);border-top:none;border-bottom-left-radius:var(--r-md);border-bottom-right-radius:var(--r-md);box-shadow:var(--shadow-lg);overflow:hidden;animation:dropdown .14s var(--ease) both}@keyframes dropdown{0%{opacity:0;transform:translateY(-4px)}}.ac-option{display:flex;align-items:center;gap:var(--s-3);padding:var(--s-3);border-radius:var(--r-sm);font-size:.98rem;cursor:pointer;transition:background .12s}.ac-option-dot{width:7px;height:7px;border-radius:50%;background:var(--accent);flex:none;opacity:.6}.ac-option--active{background:var(--accent-soft)}.ac-option--active .ac-option-dot{opacity:1}.swap-btn{border:1.5px solid var(--border);background:var(--surface-2);transition:transform .3s var(--ease),color .2s,border-color .2s,background .2s}.swap-btn:hover{border-color:var(--accent);background:var(--surface-hover);transform:rotate(180deg)}@media (max-width: 620px){.swap-btn{transform:rotate(90deg);justify-self:center}.swap-btn:hover{transform:rotate(270deg)}}.waypoints{display:flex;flex-direction:column;gap:var(--s-2)}.waypoints-head{display:flex;align-items:baseline;flex-wrap:wrap;gap:var(--s-2) var(--s-3)}.waypoints-title{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--text)}.waypoints-hint{font-size:.85rem;color:var(--text-muted)}.waypoint-row{display:flex;align-items:center;gap:var(--s-2)}.waypoint-row .ac{flex:1;min-width:0}.waypoint-remove{border:1.5px solid var(--border);background:var(--surface-2);transition:color .2s,border-color .2s,background .2s}.waypoint-remove:hover{color:var(--danger-text);border-color:rgba(var(--danger-rgb),.5);background:var(--surface-hover)}.waypoint-add{align-self:flex-start;gap:6px;padding:var(--s-2) var(--s-3);border-radius:var(--r-md);border-width:1.5px;border-color:var(--border);color:var(--text-muted);transition:color .2s,border-color .2s,background .2s}.waypoint-add:hover{color:var(--accent);border-color:var(--accent);background:var(--surface-hover)}.loader{display:flex;align-items:center;justify-content:center;gap:var(--s-3);padding:var(--s-7) 0;color:var(--text-muted)}.loader-spinner{width:22px;height:22px;border-radius:50%;border:2.5px solid var(--border-strong);border-top-color:var(--accent);animation:spin .8s linear infinite}.loader-label{font-weight:600}@keyframes spin{to{transform:rotate(360deg)}}.empty-state{text-align:center;padding:var(--s-7) var(--s-5);border:1px dashed var(--border-strong);border-radius:var(--r-lg);background:var(--surface);animation:rise .4s var(--ease) both}.empty-state-icon{display:flex;justify-content:center;color:var(--text);margin-bottom:var(--s-4)}.empty-state--warning .empty-state-icon{color:var(--warning)}.empty-state--danger .empty-state-icon{color:var(--danger)}.empty-state-title{font-size:1.25rem}.empty-state-message{color:var(--text-muted);margin:var(--s-2) auto 0;max-width:460px}.empty-state--warning{border-color:rgba(var(--warning-rgb),.4);background:rgba(var(--warning-rgb),.06)}.empty-state--danger{border-color:rgba(var(--danger-rgb),.4);background:rgba(var(--danger-rgb),.06)}.chain{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;align-items:center;gap:var(--s-3) var(--s-2)}.chain-item{display:inline-flex;align-items:center;gap:var(--s-2)}.stop{display:inline-flex;align-items:center;padding:var(--s-2) var(--s-4);border-radius:var(--r-pill);background:var(--surface-2);border:1px solid var(--border);font-weight:600;font-size:.94rem;white-space:nowrap}.stop--start,.stop--end{background:var(--accent-soft);border-color:rgba(var(--accent-rgb),.5);color:var(--accent)}.chain-arrow{display:flex;align-items:center;color:var(--text-faint)}.stop--match{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}.stop--info{background:var(--info-soft);border-color:var(--info);color:var(--info-text)}.stop--compromised{background:var(--danger-soft);border-color:var(--danger);color:var(--danger)}.stop--compromised.stop--editable:hover{background:rgba(var(--danger-rgb),.2);border-color:var(--danger)}.stop--editable{cursor:pointer;-webkit-user-select:none;user-select:none;touch-action:none;transition:border-color .15s var(--ease),background .15s var(--ease)}.stop-remove{flex:none;display:grid;place-items:center;width:0;height:18px;margin-inline-start:0;padding:0;border:none;border-radius:50%;background:transparent;color:inherit;opacity:0;overflow:hidden;pointer-events:none;transition:width .16s var(--ease),margin-inline-start .16s var(--ease),opacity .14s var(--ease),background .14s var(--ease),color .14s var(--ease)}.stop--hovered .stop-remove,.stop:focus-within .stop-remove{width:18px;margin-inline-start:var(--s-2);opacity:.7;pointer-events:auto}.stop-remove:hover{opacity:1;color:var(--danger);background:var(--danger-soft)}.stop--editable:active:not(:has(.stop-remove:active)) .stop-remove{width:0;margin-inline-start:0;opacity:0;pointer-events:none;transition:none}.chain--dragging .stop--hovered .stop-remove,.chain--dragging .stop-remove{width:0;margin-inline-start:0;opacity:0;pointer-events:none;transition:none}.stop--editable:hover{border-color:var(--border-strong);background:var(--surface-hover)}.stop--dragging{cursor:grabbing;border-color:var(--border-strong);box-shadow:var(--shadow-md);transform:scale(1.03)}.insert-slot{position:relative;display:flex;align-items:center;justify-content:center;border:none;background:transparent;padding:0;color:var(--text-faint);border-radius:var(--r-pill);transition:color .15s var(--ease)}.insert-slot--gap{width:22px;height:22px}.insert-slot--lead,.insert-slot--trail{width:0;height:30px;overflow:visible;transition:width .16s var(--ease),color .15s var(--ease)}.insert-slot--lead{margin-inline-end:calc(-1 * var(--s-2))}.insert-slot--trail{margin-inline-start:calc(-1 * var(--s-2))}.insert-slot-hit{position:absolute;inset-block:-4px;width:24px}.insert-slot--lead .insert-slot-hit{inset-inline-start:-24px}.insert-slot--trail .insert-slot-hit{inset-inline-end:-24px}.insert-slot-chevron,.insert-slot-plus{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;transition:opacity .15s var(--ease),transform .15s var(--ease)}.insert-slot-chevron,.insert-slot-plus{pointer-events:none}.insert-slot-plus .ic{stroke-width:2.75px}.insert-slot-plus{opacity:0;transform:scale(.6);color:var(--on-accent)}.insert-slot--lead .insert-slot-plus{inset-block:3px;inset-inline-start:0;inset-inline-end:auto;width:24px;height:24px}.insert-slot--trail .insert-slot-plus{inset-block:3px;inset-inline-start:var(--s-2);inset-inline-end:auto;width:24px;height:24px}.chain:not(.chain--dragging) .insert-slot:hover .insert-slot-chevron,.chain:not(.chain--dragging) .insert-slot:focus-visible .insert-slot-chevron{opacity:0}.chain:not(.chain--dragging) .insert-slot:hover .insert-slot-plus,.chain:not(.chain--dragging) .insert-slot:focus-visible .insert-slot-plus{opacity:1;transform:scale(1);background:var(--accent-fill);border-radius:50%}.chain:not(.chain--dragging) .insert-slot:hover,.chain:not(.chain--dragging) .insert-slot:focus-visible{color:var(--on-accent)}.chain:not(.chain--dragging) .insert-slot--gap:hover .insert-slot-plus,.chain:not(.chain--dragging) .insert-slot--gap:focus-visible .insert-slot-plus{top:-1px;right:-1px;bottom:-1px;left:-1px}.chain:not(.chain--dragging) .insert-slot--lead:hover,.chain:not(.chain--dragging) .insert-slot--lead:focus-visible,.chain:not(.chain--dragging) .insert-slot--trail:hover,.chain:not(.chain--dragging) .insert-slot--trail:focus-visible{width:calc(24px + var(--s-2))}.chain--dragging .insert-slot{pointer-events:none}.stop-edit{display:inline-flex;align-items:center;gap:var(--s-2)}.stop-edit .ac{width:180px}.stop-edit .ac-field{padding-block:0}.stop-edit .ac-input{padding:var(--s-2) 0;font-size:.92rem}.stop-edit-delete{color:var(--text-faint);border-radius:50%}.chain-empty-add{padding:var(--s-2) var(--s-4);border-radius:var(--r-pill);border-color:var(--border-strong);color:var(--text-muted);font-size:.94rem;transition:color .15s var(--ease),border-color .15s var(--ease),background .15s var(--ease)}.chain-empty-add:hover{color:var(--text);border-color:var(--accent);background:var(--accent-soft)}.pill{display:inline-flex;align-items:center;border-radius:var(--r-pill);white-space:nowrap;font-family:inherit}.pill--sm{padding:2px var(--s-2);font-size:.78rem;gap:4px}.pill--md{padding:var(--s-2) var(--s-3);font-size:.85rem;gap:6px}.pill--lg{padding:var(--s-2) var(--s-4);font-size:.92rem;gap:var(--s-2)}.pill--default{background:var(--surface-2);color:var(--text-muted);border:1px solid var(--border)}.pill--accent{background:var(--accent-soft);color:var(--accent)}.pill--danger{background:var(--danger-soft);color:var(--danger)}.pill--warning{background:rgba(var(--warning-rgb),.14);color:var(--warning)}.results{display:grid;gap:var(--s-4)}.result-card{padding:var(--s-5);animation:rise .45s var(--ease) both;transition:border-color .2s var(--ease),transform .2s var(--ease)}.result-card:first-child{border-color:var(--border-strong);background:linear-gradient(180deg,var(--accent-gradient-soft),transparent 55%),var(--surface)}.result-card:hover{transform:translateY(-2px);border-color:var(--border-strong)}.result-head{display:flex;align-items:flex-start;gap:var(--s-4);margin-bottom:var(--s-4)}.copy-btn{margin-inline-start:auto;border:1px solid var(--border);background:var(--surface-2);font-size:.82rem;font-weight:600;transition:color .15s var(--ease),background .15s var(--ease),border-color .15s var(--ease)}.copy-btn:hover{color:var(--text);background:var(--surface-hover);border-color:var(--border-strong)}.result-title{font-size:1.2rem}.result-hops{display:inline-flex;align-items:center;gap:var(--s-2);color:var(--text-muted);font-size:.86rem}.result-meta{display:flex;flex-direction:column;gap:var(--s-2);margin-bottom:var(--s-5)}.merge-badge{background:var(--accent-fill);color:var(--on-accent);font-weight:700}.match-badge{border:1px solid var(--border-strong);color:var(--text-muted);font-weight:700}.merge-routes{display:flex;flex-wrap:wrap;align-items:center;gap:var(--s-2)}.merge-routes-label{color:var(--text-muted);font-size:.82rem;font-weight:600}.merge-route-chip-group{display:inline-flex;align-items:center;gap:4px}.merge-route-chip{gap:6px;padding-block:var(--s-1);border:1px solid var(--border);background:var(--surface-2);color:var(--text-muted);cursor:pointer;transition:background .14s var(--ease),border-color .14s var(--ease),color .14s var(--ease)}.merge-route-chip--hovered{background:var(--info-soft);border-color:var(--info);color:var(--info-text)}.merge-route-share{font-weight:700;color:var(--text)}.priority-badge{font-weight:700}.merge-route-priority{font-weight:700;color:var(--warning)}.merge-route-chip--downgraded{border-color:rgba(var(--warning-rgb),.4)}.merge-route-chip--downgraded.merge-route-chip--hovered .merge-route-priority{color:var(--info-text)}.merge-route-goto{animation:rise .16s var(--ease) both}.search-panel{padding:var(--s-5);display:flex;flex-direction:column;gap:var(--s-4)}.search-fields{display:grid;grid-template-columns:1fr auto 1fr;align-items:end;gap:var(--s-3)}.search-submit{align-self:stretch;justify-content:center;padding:var(--s-4);font-size:1.05rem}.form-error{margin:var(--s-4) 0 0;padding:var(--s-3) var(--s-4);border-radius:var(--r-md);background:rgba(var(--danger-rgb),.1);border:1px solid rgba(var(--danger-rgb),.35);color:var(--danger-text);font-weight:600}.detour-notice{display:flex;align-items:center;gap:var(--s-2);margin:0 0 var(--s-4);padding:var(--s-3) var(--s-4);border-radius:var(--r-md);background:rgba(var(--danger-rgb),.1);border:1px solid rgba(var(--danger-rgb),.35);color:var(--danger-text);font-weight:600}.results-area{margin-top:var(--s-6)}.type-filters{display:flex;align-items:center;flex-wrap:wrap;gap:var(--s-2) var(--s-3);margin-bottom:var(--s-4)}.type-filter-chip{padding:var(--s-2) var(--s-4);border-width:1.5px;border-color:var(--border);background:var(--surface-2);color:var(--text);font-weight:600;transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease),opacity .2s var(--ease)}.type-filter-chip:hover{border-color:var(--accent)}.type-filter-chip--off{color:var(--text-faint);background:transparent;opacity:.6;text-decoration:line-through}@media (max-width: 620px){.search-fields{grid-template-columns:1fr}.swap-btn{transform:rotate(90deg);justify-self:center}.swap-btn:hover{transform:rotate(270deg)}}.confirm-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;display:grid;place-items:center;padding:var(--s-4);background:#0000008c;backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);animation:confirm-fade .14s var(--ease) both}.confirm-modal{width:100%;max-width:380px;background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--r-lg);box-shadow:var(--shadow-lg);padding:var(--s-5);animation:confirm-rise .18s var(--ease) both}.confirm-title{margin:0 0 var(--s-2);font-size:1.05rem;font-weight:700;color:var(--text)}.confirm-message{margin:0 0 var(--s-5);font-size:.94rem;line-height:1.5;color:var(--text-muted)}.confirm-actions{display:flex;justify-content:flex-end;gap:var(--s-3)}.confirm-cancel{background:transparent;border:1px solid var(--border-strong);color:var(--text-muted)}.confirm-cancel:hover{color:var(--text);border-color:var(--text-faint)}@keyframes confirm-fade{0%{opacity:0}}@keyframes confirm-rise{0%{opacity:0;transform:translateY(8px) scale(.98)}}.editor,.editor-list{display:flex;flex-direction:column;gap:var(--s-4)}.add-route-btn{align-self:flex-start;border-color:var(--border-strong);color:var(--text-muted)}.add-route-btn:hover{color:var(--text);border-color:var(--accent);background:var(--accent-soft)}.add-route-float{position:fixed;bottom:var(--s-5);inset-inline:0;z-index:60;display:flex;justify-content:center;pointer-events:none}.add-route-float .btn{pointer-events:auto;border-radius:var(--r-pill);box-shadow:var(--shadow-lg)}.route-row{padding:var(--s-4) var(--s-5);box-shadow:var(--shadow-sm);transition:border-color .2s var(--ease);animation:rise .35s var(--ease) backwards}.route-row:hover{border-color:var(--border-strong)}.route-row:focus-within{position:relative;z-index:20}.route-row--warn{border-color:rgba(var(--warning-rgb),.4)}.route-row-head{display:flex;align-items:center;gap:var(--s-3);margin-bottom:var(--s-4)}.route-badge{padding:var(--s-1) var(--s-3);font-size:.9rem;font-weight:700;color:#fff}.route-warn{display:inline-flex;align-items:center;gap:4px;font-size:.82rem;color:var(--warning);font-weight:600}.route-warn--danger{color:var(--danger)}.route-row-actions{display:flex;align-items:center;gap:var(--s-2);margin-inline-start:auto}.route-remove{padding:var(--s-2) var(--s-3);font-size:.85rem;gap:var(--s-2)}.sel{position:relative;display:inline-block;z-index:1}.sel--open{z-index:20}.sel-field{display:inline-flex;align-items:center;gap:var(--s-2);width:100%;font-family:inherit;font-size:.85rem;color:var(--text);background:var(--surface-2);border:1px solid var(--border);border-radius:var(--r-sm);padding:4px var(--s-2);cursor:pointer;transition:border-color .15s var(--ease),background .15s var(--ease),box-shadow .15s var(--ease)}.sel-field:hover{background:var(--surface-hover);border-color:var(--border-strong)}.sel-field:focus-visible{outline:none;border-color:var(--accent);box-shadow:var(--ring)}.sel-field--open{border-color:var(--accent)}.sel-value{flex:1;text-align:start;white-space:nowrap}.sel-chevron{flex:none;color:var(--text-faint);transform:rotate(-90deg);transition:transform .16s var(--ease)}.sel-field--open .sel-chevron{transform:rotate(90deg);color:var(--accent)}.sel-list{position:absolute;z-index:1000;top:calc(100% + 4px);inset-inline-start:0;min-width:100%;margin:0;padding:var(--s-1);list-style:none;background:var(--surface);border:1px solid var(--accent);border-radius:var(--r-sm);box-shadow:var(--shadow-lg);animation:sel-dropdown .14s var(--ease) both}@keyframes 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