/* CASE 0910 / V15 VISUAL INVESTIGATION ENGINE */
:root{--v15-bg:#07090d;--v15-panel:#0d1118;--v15-panel2:#121824;--v15-line:#283244;--v15-faint:#8792a5;--v15-ink:#f2f4f7;--v15-cyan:#66e5ff;--v15-violet:#b98cff;--v15-amber:#ffca6a;--v15-green:#75f0bd;--v15-red:#ff6f78;--v15-blue:#79a8ff}
.v15{min-height:100%;color:var(--v15-ink);background:radial-gradient(circle at 75% -10%,rgba(80,114,176,.18),transparent 32%),linear-gradient(180deg,#090c12,#06070a 72%);font-family:Inter,Arial,sans-serif}
.v15 *{box-sizing:border-box}.v15 button,.v15 input,.v15 select{font:inherit}.v15 button{color:inherit}
.v15-shell{width:min(1680px,100%);margin:auto;padding:22px clamp(16px,2.5vw,38px) 80px}
.v15-top{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px;align-items:end;padding:18px 0 20px;border-bottom:1px solid var(--v15-line)}
.v15-eyebrow,.v15-kicker,.v15-field-label,.v15-chip,.v15-badge,.v15-stat span,.v15-nav button,.v15-segment button,.v15-status,.v15-object-id{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.12em;text-transform:uppercase}
.v15-eyebrow{display:flex;gap:10px;align-items:center;color:var(--v15-cyan);font-size:10px;font-weight:800}.v15-eyebrow:before{content:"";width:26px;height:1px;background:currentColor;box-shadow:0 0 12px currentColor}
.v15 h1{margin:7px 0 4px;font:800 clamp(27px,3vw,46px)/.95 Inter,Arial,sans-serif;letter-spacing:-.045em}.v15 h1 em{color:var(--v15-cyan);font-style:normal;font-weight:300}
.v15-subtitle{margin:0;color:#9aa6b8;max-width:850px;font-size:13px;line-height:1.5}.v15-version{text-align:right}.v15-version strong{display:block;font:800 22px/1 ui-monospace,monospace;color:var(--v15-cyan)}.v15-version small{display:block;color:var(--v15-faint);font:9px/1.5 ui-monospace,monospace;letter-spacing:.11em;margin-top:7px}
.v15-rail{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:center;margin:14px 0}
.v15-nav{display:grid;grid-template-columns:repeat(5,minmax(115px,1fr));padding:5px;background:#0a0e14;border:1px solid var(--v15-line);border-radius:11px;overflow:hidden}
.v15-nav button,.v15-segment button{border:0;background:transparent;cursor:pointer;min-height:42px;color:#778397;font-size:9px;font-weight:800;transition:.18s ease}.v15-nav button:hover,.v15-segment button:hover{color:#fff;background:#141b26}.v15-nav button.active,.v15-segment button.active{color:#061016;background:var(--v15-cyan);box-shadow:0 0 24px rgba(102,229,255,.2)}
.v15-actions{display:flex;flex-wrap:wrap;gap:7px;justify-content:flex-end}.v15-iconbtn,.v15-ghost,.v15-primary{border:1px solid var(--v15-line);background:#0c1118;border-radius:8px;min-height:42px;padding:0 13px;cursor:pointer;font:700 9px ui-monospace,monospace;letter-spacing:.09em;text-transform:uppercase}.v15-iconbtn:hover,.v15-ghost:hover{border-color:var(--v15-cyan);color:var(--v15-cyan)}.v15-primary{background:var(--v15-cyan);border-color:var(--v15-cyan);color:#041016}
.v15-statusbar{display:flex;flex-wrap:wrap;gap:1px;margin-bottom:14px;background:var(--v15-line);border:1px solid var(--v15-line);border-radius:8px;overflow:hidden}.v15-status{flex:1 1 150px;background:#0b0f15;padding:9px 12px;font-size:8px;color:#6f7c90}.v15-status b{color:#e8edf5;margin-left:6px}.v15-status.accuracy b{color:var(--v15-green)}
.v15-head{display:flex;justify-content:space-between;gap:22px;align-items:end;margin:24px 0 14px}.v15-kicker{font-size:9px;color:var(--v15-cyan);font-weight:800}.v15-head h2{margin:5px 0 4px;font-size:clamp(23px,2.4vw,36px);letter-spacing:-.04em}.v15-head p{margin:0;max-width:820px;color:#8995a6;font-size:12px;line-height:1.45}.v15-headaside{font:8px/1.6 ui-monospace,monospace;color:#778397;text-align:right;max-width:310px;text-transform:uppercase;letter-spacing:.08em}
.v15-grid{display:grid;grid-template-columns:255px minmax(0,1fr) 285px;gap:12px;min-height:660px}.v15-grid.two{grid-template-columns:270px minmax(0,1fr)}
.v15-panel{background:linear-gradient(180deg,rgba(17,23,33,.97),rgba(10,14,20,.97));border:1px solid var(--v15-line);border-radius:12px;overflow:hidden;box-shadow:0 24px 70px rgba(0,0,0,.25)}
.v15-side{padding:16px;min-width:0}.v15-field{padding:0 0 15px;margin:0 0 15px;border-bottom:1px solid #222b39}.v15-field:last-child{border:0}.v15-field-label{display:flex;align-items:center;justify-content:space-between;margin-bottom:9px;color:#6f7b8c;font-size:8px;font-weight:800}.v15-field-label output{color:var(--v15-cyan)}
.v15-segment{display:grid;grid-template-columns:repeat(2,1fr);gap:4px}.v15-segment.four{grid-template-columns:repeat(2,1fr)}.v15-segment.five{grid-template-columns:repeat(2,1fr)}.v15-segment button{min-height:36px;border:1px solid #273142;border-radius:6px;font-size:8px}
.v15 input[type="range"]{width:100%;accent-color:var(--v15-cyan)}.v15 input[type="search"],.v15 select{width:100%;min-height:39px;border:1px solid #293448;background:#080c12;color:#e8edf5;border-radius:7px;padding:0 10px;font:10px ui-monospace,monospace;outline:none}.v15 input[type="search"]:focus,.v15 select:focus{border-color:var(--v15-cyan);box-shadow:0 0 0 3px rgba(102,229,255,.08)}
.v15-toggle{display:flex;align-items:center;gap:8px;color:#a0abba;font-size:10px;margin:8px 0;cursor:pointer}.v15-toggle input{accent-color:var(--v15-cyan)}
.v15-canvas-wrap{position:relative;min-height:660px;background-color:#090d13;background-image:linear-gradient(rgba(79,96,122,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(79,96,122,.08) 1px,transparent 1px);background-size:32px 32px;isolation:isolate}
.v15-canvas-head{position:absolute;z-index:3;left:14px;right:14px;top:12px;display:flex;justify-content:space-between;pointer-events:none}.v15-canvas-head span{font:8px ui-monospace,monospace;letter-spacing:.1em;color:#788497;background:#080c12d9;border:1px solid #283244;border-radius:20px;padding:7px 10px}.v15-canvas-head span:last-child{color:var(--v15-green)}
.v15-svg{display:block;width:100%;height:100%;min-height:660px;touch-action:none;contain:layout paint}.v15-svg text{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;pointer-events:none}.v15-svg [data-v15-object]{cursor:pointer}.v15-svg [data-v15-object]:focus{outline:none}.v15-svg [data-v15-object]:focus .v15-node-core,.v15-svg [data-v15-object]:hover .v15-node-core{stroke:#fff;stroke-width:3}.v15-node-core{transition:.18s}.v15-pulse{fill:none;stroke:var(--v15-cyan);stroke-width:1;transform-box:fill-box;transform-origin:center;animation:v15pulse 2.2s ease-out infinite}.v15-map-label{fill:#9ba8ba;font-size:11px}.v15-map-micro{fill:#657184;font-size:8px;letter-spacing:.08em}.v15-map-title{fill:#eef2f7;font-size:16px;font-weight:800;letter-spacing:-.02em}.v15-map-road{fill:none;stroke:#263044;stroke-width:5;stroke-linecap:round}.v15-map-road.minor{stroke-width:2;stroke:#1a2230}.v15-boundary{fill:#0d1420;stroke:#33425a;stroke-width:1.5}.v15-building{fill:#111a27;stroke:#34445b;stroke-width:1}.v15-building.active{fill:#15283a;stroke:var(--v15-cyan)}.v15-sight{fill:none;stroke:var(--v15-red);stroke-width:2;stroke-dasharray:8 7}.v15-relation{fill:none;stroke:#56647a;stroke-width:1;stroke-dasharray:5 5}.v15-edge{fill:none;stroke:#344056;stroke-width:1.1}.v15-edge-label{fill:#758297;font-size:7px;letter-spacing:.04em}.v15-unknown{stroke:#56647b;stroke-width:2;stroke-dasharray:3 9;fill:none}
.v15-legend{position:absolute;z-index:4;left:14px;bottom:13px;display:flex;flex-wrap:wrap;gap:6px;max-width:calc(100% - 28px)}.v15-legend span{display:flex;align-items:center;gap:6px;border:1px solid #273245;background:#080c12e8;border-radius:20px;padding:6px 9px;color:#8c99aa;font:7px ui-monospace,monospace;letter-spacing:.08em;text-transform:uppercase}.v15-legend i{width:7px;height:7px;border-radius:50%;background:var(--dot,#fff);box-shadow:0 0 8px var(--dot,#fff)}
.v15-card{border:1px solid #273143;border-radius:8px;background:#0a0f16;padding:11px;margin:7px 0;cursor:pointer}.v15-card:hover,.v15-card.active{border-color:var(--v15-cyan);background:#101b27}.v15-card time{display:block;color:var(--v15-cyan);font:800 12px ui-monospace,monospace}.v15-card b{display:block;font-size:11px;line-height:1.35;margin:5px 0}.v15-card small{display:block;color:#748195;font:8px/1.4 ui-monospace,monospace;text-transform:uppercase}.v15-cardlist{max-height:360px;overflow:auto;padding-right:4px}
.v15-inspector{height:100%;display:flex;flex-direction:column}.v15-inspector-head{display:flex;justify-content:space-between;align-items:start;border-bottom:1px solid #273143;padding-bottom:12px}.v15-object-id{color:var(--v15-cyan);font-size:9px;font-weight:800}.v15-inspector h3{font-size:18px;line-height:1.08;margin:8px 0 6px;letter-spacing:-.025em}.v15-inspector p{color:#9aa5b5;font-size:11px;line-height:1.55}.v15-badge{display:inline-flex;max-width:100%;font-size:7px;line-height:1.3;border:1px solid #354159;border-radius:20px;padding:5px 7px;color:#a7b1c1;margin:4px 4px 4px 0}.v15-badge.warn{color:var(--v15-amber);border-color:#6b5732}.v15-badge.good{color:var(--v15-green);border-color:#315e4c}.v15-source-list{display:grid;gap:5px;margin-top:9px}.v15-source-list button{display:flex;justify-content:space-between;text-align:left;background:#0b111a;border:1px solid #273143;border-radius:6px;padding:8px;color:#aab5c4;font:8px/1.35 ui-monospace,monospace;cursor:pointer}.v15-source-list button:hover{border-color:var(--v15-cyan)}
.v15-empty{height:100%;display:grid;place-content:center;text-align:center;color:#667286;padding:25px}.v15-empty strong{display:block;color:#a3afbf;font:800 12px ui-monospace,monospace;margin-bottom:8px}.v15-empty p{max-width:220px;font-size:10px}
.v15-transport{display:grid;grid-template-columns:39px 1fr;gap:10px;align-items:center}.v15-play{width:39px;height:39px;border-radius:50%;border:1px solid var(--v15-cyan);background:#0d1d26;color:var(--v15-cyan);cursor:pointer}.v15-clock{font:800 24px ui-monospace,monospace;color:#eef4f8;letter-spacing:-.06em}.v15-clock small{font-size:9px;color:#6f7d91;margin-left:4px;letter-spacing:.08em}.v15-speed{display:flex;gap:4px}.v15-speed button{flex:1;border:1px solid #293448;background:#0a0f16;color:#718095;border-radius:5px;padding:6px 2px;font:7px ui-monospace,monospace}.v15-speed button.active{color:#071017;background:var(--v15-cyan)}
.v15-scene-tools{position:absolute;z-index:5;right:14px;top:48px;display:grid;gap:6px}.v15-scene-tools button{width:34px;height:34px;background:#090e15e8;border:1px solid #2c384c;border-radius:7px;color:#a8b3c2;cursor:pointer}.v15-scene-tools button:hover{border-color:var(--v15-cyan);color:var(--v15-cyan)}
.v15-measure{stroke:#ff6f78;stroke-width:2}.v15-measure-tick{stroke:#ff6f78;stroke-width:1}.v15-measure-label{fill:#ffafb5;font-size:12px;font-weight:800}.v15-elevation-ground{fill:#0c121a;stroke:#364257}.v15-warning{padding:10px;border:1px solid #604e2d;background:#1c160b;color:#dcb96c;border-radius:7px;font:8px/1.5 ui-monospace,monospace;text-transform:uppercase}
.v15-timeline{min-height:680px;overflow:hidden}.v15-time-axis{position:sticky;top:0;z-index:3;height:54px;background:#0b1018;border-bottom:1px solid #293448;margin-left:145px}.v15-axis-tick{position:absolute;bottom:0;height:18px;border-left:1px solid #4a5870;color:#718096;font:7px ui-monospace,monospace;padding:0 0 0 4px}.v15-nowline{position:absolute;z-index:4;top:0;bottom:0;width:1px;background:var(--v15-cyan);box-shadow:0 0 14px var(--v15-cyan);pointer-events:none}.v15-nowline:before{content:"";position:absolute;top:0;left:-4px;border-left:4px solid transparent;border-right:4px solid transparent;border-top:7px solid var(--v15-cyan)}
.v15-lane{display:grid;grid-template-columns:145px minmax(0,1fr);min-height:92px;border-bottom:1px solid #202938}.v15-lane-name{padding:15px 12px;border-right:1px solid #273143;color:#77869a;font:800 8px/1.4 ui-monospace,monospace;letter-spacing:.08em;text-transform:uppercase}.v15-lane-track{position:relative;min-height:92px;background-image:linear-gradient(90deg,rgba(80,95,120,.07) 1px,transparent 1px);background-size:10% 100%}.v15-time-event{position:absolute;top:15px;transform:translateX(-5px);width:11px;height:11px;border-radius:50%;background:var(--event,var(--v15-blue));border:2px solid #0a0e14;box-shadow:0 0 0 1px var(--event,var(--v15-blue)),0 0 13px var(--event,var(--v15-blue));cursor:pointer}.v15-time-event.selected{width:15px;height:15px;top:13px}.v15-time-event span{position:absolute;top:17px;left:0;width:125px;color:#98a4b4;font:7px/1.3 ui-monospace,monospace;text-transform:uppercase;letter-spacing:.02em}.v15-time-event.flip span{left:auto;right:0;text-align:right}.v15-time-event.conflict:after{content:"!";position:absolute;left:11px;top:-14px;color:var(--v15-amber);font:900 10px ui-monospace,monospace}.v15-time-band{position:absolute;height:18px;top:10px;border:1px dashed var(--v15-amber);background:rgba(255,202,106,.09);border-radius:10px;min-width:22px}.v15-conflict-list{display:grid;gap:8px}.v15-conflict-list .v15-card{border-color:#5f4c2c}
.v15-theory-layout{display:grid;grid-template-columns:300px minmax(0,1fr);gap:12px}.v15-theory-main{display:grid;grid-template-rows:320px auto;gap:12px}.v15-theory-graph{min-height:320px}.v15-theory-compare{display:grid;grid-template-columns:1fr 1fr;gap:12px}.v15-theory-card{padding:19px}.v15-theory-card h3{font-size:20px;margin:5px 0 8px}.v15-theory-state{display:inline-flex;border:1px solid currentColor;border-radius:20px;padding:6px 9px;font:800 8px ui-monospace,monospace;letter-spacing:.08em;text-transform:uppercase}.v15-theory-state.intact{color:var(--v15-green)}.v15-theory-state.weakened{color:var(--v15-amber)}.v15-theory-state.contradicted{color:var(--v15-red)}.v15-theory-state.unresolved{color:var(--v15-violet)}.v15-theory-cols{display:grid;grid-template-columns:1fr 1fr 1fr;gap:13px;margin-top:14px}.v15-theory-cols h4{font:800 8px ui-monospace,monospace;color:#758398;letter-spacing:.09em}.v15-theory-cols ul{margin:7px 0 0;padding:0;list-style:none}.v15-theory-cols li{font-size:10px;line-height:1.45;color:#a2adbc;padding:6px 0;border-top:1px solid #222c3b}.v15-dep-node rect{fill:#101725;stroke:#40506a}.v15-dep-node text{fill:#d7dde6;font-size:9px}.v15-dep-node.intact rect{stroke:var(--v15-green)}.v15-dep-node.weakened rect{stroke:var(--v15-amber)}.v15-dep-node.contradicted rect{stroke:var(--v15-red)}.v15-dep-node.unresolved rect{stroke:var(--v15-violet)}
.v15-evidence-layout{display:grid;grid-template-columns:255px minmax(0,1fr) 300px;gap:12px}.v15-graph-wrap{position:relative;min-height:700px;overflow:hidden}.v15-graph-wrap .v15-svg{min-height:700px}.v15-graph-node rect{fill:#101725;stroke:#3a4860;stroke-width:1}.v15-graph-node.source rect{fill:#10131a;stroke:#536174}.v15-graph-node.gap rect{stroke:var(--v15-amber);stroke-dasharray:5 4}.v15-graph-node.selected rect{stroke:var(--v15-cyan);stroke-width:2;filter:drop-shadow(0 0 8px rgba(102,229,255,.45))}.v15-graph-node text{fill:#e4e9f1;font-size:8px}.v15-graph-node .sub{fill:#728096;font-size:6.5px}.v15-graph-minimap{position:absolute;right:12px;bottom:12px;width:145px;height:85px;border:1px solid #354158;background:#080c12e8;border-radius:7px}.v15-graph-minimap span{position:absolute;inset:7px;border:1px solid var(--v15-cyan);background:rgba(102,229,255,.04)}.v15-pins{display:grid;gap:6px}.v15-pin{display:flex;justify-content:space-between;gap:7px;border:1px solid #2b3648;border-radius:6px;padding:7px;color:#9ca8b8;font:8px ui-monospace,monospace}.v15-pin button{border:0;background:none;color:var(--v15-red);cursor:pointer}
.v15-mobile-switcher{display:none}.v15-announcer{position:fixed;left:-9999px}.v15-toast{position:fixed;z-index:9999;right:20px;bottom:22px;border:1px solid var(--v15-cyan);background:#071016;color:#dffaff;border-radius:9px;padding:12px 15px;font:9px ui-monospace,monospace;letter-spacing:.08em;box-shadow:0 16px 40px #000;animation:v15toast 2.7s both}
@keyframes v15pulse{0%{transform:scale(.7);opacity:.9}100%{transform:scale(2);opacity:0}}@keyframes v15toast{0%,100%{opacity:0;transform:translateY(8px)}10%,85%{opacity:1;transform:none}}
@media (max-width:1150px){.v15-grid{grid-template-columns:220px minmax(0,1fr)}.v15-grid>.v15-side:last-child{grid-column:1/-1;min-height:200px}.v15-inspector{height:auto}.v15-evidence-layout{grid-template-columns:220px minmax(0,1fr)}.v15-evidence-layout>.v15-side:last-child{grid-column:1/-1}.v15-theory-cols{grid-template-columns:1fr}.v15-theory-main{grid-template-rows:300px auto}}
@media (max-width:780px){.v15-shell{padding:12px 10px 88px}.v15-top{grid-template-columns:1fr;padding-top:8px}.v15-version{text-align:left;display:flex;align-items:center;gap:10px}.v15-version small{margin:0}.v15-rail{display:block}.v15-nav{display:none}.v15-actions{margin-top:8px;justify-content:flex-end}.v15-statusbar{display:grid;grid-template-columns:1fr 1fr}.v15-status{min-width:0}.v15-head{align-items:start;margin-top:18px}.v15-headaside{display:none}.v15-grid,.v15-grid.two,.v15-evidence-layout,.v15-theory-layout{display:block}.v15-side{margin-bottom:10px}.v15-grid>.v15-side:first-child{max-height:none}.v15-canvas-wrap,.v15-svg{min-height:540px}.v15-theory-main{display:block}.v15-theory-graph{margin-bottom:10px}.v15-theory-compare{grid-template-columns:1fr}.v15-theory-cols{grid-template-columns:1fr}.v15-mobile-switcher{position:fixed;display:grid;z-index:9000;left:8px;right:8px;bottom:8px;grid-template-columns:repeat(5,1fr);background:#080c12f2;border:1px solid #354158;border-radius:13px;padding:5px;box-shadow:0 15px 45px #000}.v15-mobile-switcher button{border:0;background:transparent;color:#69768a;min-height:49px;border-radius:9px;font:700 7px ui-monospace,monospace;letter-spacing:.06em}.v15-mobile-switcher button.active{background:var(--v15-cyan);color:#061016}.v15-mobile-switcher b{display:block;font-size:14px;margin-bottom:3px}.v15-graph-wrap,.v15-graph-wrap .v15-svg{min-height:560px}.v15-time-axis{margin-left:86px}.v15-lane{grid-template-columns:86px minmax(0,1fr)}.v15-lane-name{padding:12px 7px}.v15-time-event span{width:82px;font-size:6px}.v15-top h1{font-size:29px}.v15-cardlist{max-height:260px}.v15-legend{bottom:8px}.v15-legend span{font-size:6px;padding:5px 7px}}
.v15 button:focus-visible,.v15 input:focus-visible,.v15 select:focus-visible,.v15 [tabindex="0"]:focus-visible{outline:2px solid var(--v15-cyan);outline-offset:3px;box-shadow:0 0 0 5px rgba(102,229,255,.12)}
@media (max-width:780px){.v15 button,.v15 select,.v15 input[type="search"]{min-height:44px}.v15-actions .v15-iconbtn{flex:1 1 30%;padding:0 8px}.v15-statusbar{grid-template-columns:1fr}.v15-status{padding:8px 10px}.v15-side{padding:14px}.v15-segment button{min-height:44px}.v15-mobile-switcher{bottom:max(8px,env(safe-area-inset-bottom));left:max(8px,env(safe-area-inset-left));right:max(8px,env(safe-area-inset-right))}.v15-shell{padding-bottom:calc(88px + env(safe-area-inset-bottom))}}
@media (max-width:900px) and (orientation:landscape) and (max-height:520px){.v15-canvas-wrap,.v15-svg,.v15-graph-wrap,.v15-graph-wrap .v15-svg{min-height:390px}.v15-top{padding:6px 0 10px}.v15-top h1{font-size:25px}.v15-head{margin:12px 0 10px}.v15-mobile-switcher button{min-height:42px}}
@media (prefers-reduced-motion:reduce){.v15 *{scroll-behavior:auto!important;animation:none!important;transition:none!important}}