/* TOKENS */
:root, [data-theme="light"] {
  --mt-bg:#FBFAF8; --mt-panel:#F6F4F0; --mt-sub:#F2EFE9; --mt-track:#EDEAE4;
  --mt-br:#E4E0D8; --mt-br-soft:#EAE6DF; --mt-br-panel:#E8E4DE; --mt-br-card:#EEEAE3;
  --mt-dash:#D6D0C6;
  --mt-tx:#1A1814; --mt-t2:#55514A; --mt-t3:#8A857C; --mt-t4:#A39D92;
  --mt-inv:#1A1814; --mt-inv-tx:#FBFAF8; --mt-inv-hover:#33302A;
  --mt-tint:#FFECE7; --mt-tint-br:#FFC4B5;
  --mt-glass:rgba(251,250,248,.94); --mt-glass-hi:#FFFFFF;
  --mt-shadow:0 30px 80px -30px rgba(20,18,14,.5);
}
[data-theme="dark"] {
  --mt-bg:#16161A; --mt-panel:#212127; --mt-sub:#1E1E23; --mt-track:#2A2A31;
  --mt-br:#2F2F38; --mt-br-soft:#2B2B33; --mt-br-panel:#2B2B33; --mt-br-card:#2B2B33;
  --mt-dash:#3B3B45;
  --mt-tx:#F3F1ED; --mt-t2:#C3BFB7; --mt-t3:#918C84; --mt-t4:#77736C;
  --mt-inv:#F3F1ED; --mt-inv-tx:#16161A; --mt-inv-hover:#DCD8D2;
  --mt-tint:rgba(255,77,46,.16); --mt-tint-br:rgba(255,77,46,.44);
  --mt-glass:rgba(22,22,26,.92); --mt-glass-hi:#2A2A31;
  --mt-shadow:0 30px 80px -30px rgba(0,0,0,.7);
}
:root { --acc:#FF4D2E; --acc-hi:#E8401F; --on-acc:#FFF8F5; --knob:#FBFAF8; }

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;overflow:hidden}
body{
  font-family:'Inter Tight',sans-serif; background:var(--mt-bg); color:var(--mt-tx);
  transition:background .25s ease,color .25s ease; -webkit-font-smoothing:antialiased;
}
.mono{font-family:'IBM Plex Mono',monospace}

/* SHELL */
#shell{ display:flex; height:100vh; background:var(--mt-bg); overflow:hidden; }
#rail{
  width:404px; flex:none; display:flex; flex-direction:column;
  border-right:1px solid var(--mt-br-panel); overflow:hidden;
}
#mapPane{ flex:1; position:relative; }

/* HEADER */
#hdr{ padding:20px 22px 16px; display:flex; flex-direction:column; gap:16px;
      border-bottom:1px solid var(--mt-br-panel); flex:none; }
.hdr-row{display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:baseline;gap:6px}
.brand h1{font-size:17px;font-weight:700;letter-spacing:-.02em}
.brand .tag{font-family:'Instrument Serif',serif;font-style:italic;font-size:15px;
  white-space:nowrap;color:var(--mt-t3)}
.hdr-tools{display:flex;align-items:center;gap:9px}
.theme-pill{display:flex;align-items:center;gap:3px;padding:3px;border-radius:999px;
  background:var(--mt-sub);border:1px solid var(--mt-br);cursor:pointer}
.theme-pill > div{width:20px;height:20px;border-radius:50%;display:flex;
  align-items:center;justify-content:center;transition:background .18s,color .18s}
.icon-btn{display:flex;align-items:center;justify-content:center;width:26px;height:26px;
  border-radius:8px;border:1px solid var(--mt-br);background:var(--mt-panel);
  color:var(--mt-t2);cursor:pointer;transition:background .15s,color .15s}
.icon-btn:hover{background:var(--mt-sub);color:var(--mt-tx)}
.icon-btn:focus-visible,.theme-pill:focus-visible{outline:2px solid var(--acc);outline-offset:2px}

/* STEP SWITCHER */
#steps{display:flex;align-items:center;gap:6px}
.step-chip{flex:1;display:flex;align-items:center;gap:7px;padding:8px 9px;border-radius:9px;
  cursor:pointer;border:1px solid var(--mt-br-soft);background:var(--mt-panel);
  transition:background .15s,border-color .15s}
.step-chip .num{width:17px;height:17px;flex:none;border-radius:50%;display:flex;
  align-items:center;justify-content:center;font-family:'IBM Plex Mono',monospace;
  font-size:9.5px;background:var(--mt-br);color:var(--mt-t3)}
.step-chip .lbl{font-size:11.5px;font-weight:500;white-space:nowrap;color:var(--mt-t3)}
.step-chip.on{background:var(--mt-inv);border-color:var(--mt-inv)}
.step-chip.on .lbl{color:var(--mt-inv-tx)}
.step-chip.on .num{background:var(--acc);color:var(--on-acc)}
.step-chip:focus-visible{outline:2px solid var(--acc);outline-offset:2px}

/* PANES */
.pane{flex:1;display:none;flex-direction:column;overflow:hidden}
.pane.on{display:flex}
.pane-scroll{flex:1;overflow-y:auto;overflow-x:hidden}
.sec{display:flex;flex-direction:column;gap:9px}
.sec-hd{display:flex;align-items:center;justify-content:space-between}
.sec-lbl{font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:.13em;
  text-transform:uppercase;color:var(--mt-t3)}
.sec-sub{font-size:11px;color:var(--mt-t4)}

/* STEP 1 : ROUTE */
#searchRow{padding:14px 22px 10px;display:flex;align-items:center;gap:9px;flex:none}
.search-field{flex:1;display:flex;align-items:center;gap:9px;padding:10px 12px;
  border-radius:10px;background:var(--mt-sub);border:1px solid var(--mt-br);
  transition:border-color .15s}
.search-field:focus-within{border-color:var(--acc)}
.search-field input{flex:1;min-width:0;border:none;background:none;outline:none;
  font-family:'Inter Tight',sans-serif;font-size:13px;color:var(--mt-tx)}
.search-field input::placeholder{color:var(--mt-t3)}
.gpx-chip{font-family:'IBM Plex Mono',monospace;font-size:9.5px;letter-spacing:.07em;
  text-transform:uppercase;padding:9px 10px;border-radius:8px;border:1px solid var(--mt-br);
  color:var(--mt-t2);cursor:pointer;background:none;transition:background .15s}
.gpx-chip:hover{background:var(--mt-sub)}
#stopList{padding:0 22px 16px}
.stop{display:flex;gap:12px}
.stop-rail{width:20px;flex:none;display:flex;flex-direction:column;align-items:center}
.stop-dot{width:11px;height:11px;border-radius:50%;background:var(--mt-bg);
  border:2.5px solid var(--acc);margin-top:14px;flex:none}
.stop-conn{flex:1;width:2px;background:var(--mt-br)}
.stop-conn.last{background:transparent}
.stop-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:9px;padding:10px 0 14px}
.stop-top{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}
.stop-name{font-size:14px;font-weight:600;letter-spacing:-.01em;overflow:hidden;
  text-overflow:ellipsis;white-space:nowrap}
.stop-meta{font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:.05em;
  text-transform:uppercase;color:var(--mt-t4);margin-top:2px;white-space:nowrap;
  overflow:hidden;text-overflow:ellipsis}
.stop-acts{display:flex;gap:2px;flex:none}
.sa{width:22px;height:22px;display:flex;align-items:center;justify-content:center;
  border-radius:6px;cursor:pointer;color:var(--mt-t4);background:none;border:none;
  transition:background .13s,color .13s}
.sa:hover{background:var(--mt-sub);color:var(--mt-tx)}
.sa.del:hover{background:var(--mt-tint);color:var(--acc)}
.sa:disabled{opacity:.3;cursor:not-allowed}
.sa:disabled:hover{background:none;color:var(--mt-t4)}
.photos{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.photo{width:46px;height:46px;flex:none;border-radius:9px;overflow:hidden;position:relative;
  background:var(--mt-sub);border:1px solid var(--mt-br);cursor:pointer}
.photo img{width:100%;height:100%;object-fit:cover;display:block}
.photo .x{position:absolute;top:2px;right:2px;width:15px;height:15px;border-radius:50%;
  background:rgba(0,0,0,.6);color:#fff;display:none;align-items:center;justify-content:center;
  font-size:9px;line-height:1;border:none;cursor:pointer}
.photo:hover .x{display:flex}
.photo-add{width:46px;height:46px;flex:none;border-radius:9px;border:1px dashed var(--mt-dash);
  display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--mt-t4);
  background:none;transition:border-color .15s,color .15s}
.photo-add:hover{border-color:var(--acc);color:var(--acc)}
.photo.drag{border-color:var(--acc);border-style:dashed}
.leg-sum{display:flex;align-items:center;gap:10px;padding:8px 11px;border-radius:9px;
  background:var(--mt-panel);border:1px solid var(--mt-br-card)}
.leg-sum .t{font-size:11.5px;color:var(--mt-t2)}
.leg-sum .d{font-family:'IBM Plex Mono',monospace;font-size:9.5px;color:var(--mt-t4)}
.empty-note{padding:30px 22px;text-align:center;font-size:12.5px;line-height:1.7;
  color:var(--mt-t3)}

/* search results dropdown */
#sugg{position:absolute;left:22px;right:22px;top:56px;z-index:40;background:var(--mt-bg);
  border:1px solid var(--mt-br);border-radius:10px;overflow:hidden;display:none;
  box-shadow:0 16px 40px -16px rgba(20,18,14,.4)}
#sugg.on{display:block}
.sg{padding:9px 12px;cursor:pointer;border-bottom:1px solid var(--mt-br-card)}
.sg:last-child{border-bottom:none}
.sg:hover,.sg.sel{background:var(--mt-sub)}
.sg .n{font-size:13px;font-weight:500}
.sg .c{font-family:'IBM Plex Mono',monospace;font-size:9.5px;text-transform:uppercase;
  color:var(--mt-t4);margin-top:1px}

/* STEP 2 : PACE */
.pace-wrap{padding:16px 22px;display:flex;flex-direction:column;gap:18px}
#timelineBar{display:flex;gap:2px;height:8px;border-radius:4px;overflow:hidden;
  background:var(--mt-track)}
#timelineBar > div{background:var(--acc);opacity:.85}
.pace-rows{display:flex;flex-direction:column;gap:4px;margin-top:4px}
.pr-stop{display:flex;align-items:center;gap:10px;padding:7px 11px}
.pr-dot{width:9px;height:9px;flex:none;border-radius:50%;background:var(--mt-bg);
  border:2.5px solid var(--acc)}
.pr-name{font-size:12.5px;font-weight:600;white-space:nowrap;overflow:hidden;
  text-overflow:ellipsis}
.hold{display:flex;align-items:center;gap:4px;background:var(--mt-sub);border-radius:7px;
  padding:3px 4px 3px 8px;flex:none}
.hold .hl{font-family:'IBM Plex Mono',monospace;font-size:9px;letter-spacing:.07em;
  text-transform:uppercase;color:var(--mt-t3)}
.hold button{width:17px;text-align:center;font-size:12px;color:var(--mt-t2);cursor:pointer;
  user-select:none;background:none;border:none;font-family:inherit;padding:0}
.hold button:hover{color:var(--mt-tx)}
.hold .hv{font-family:'IBM Plex Mono',monospace;font-size:10px;width:34px;text-align:center}
.pr-leg{display:flex;align-items:center;gap:10px;padding:9px 11px;margin-left:19px;
  border-radius:10px;background:var(--mt-panel);border:1px solid var(--mt-br-card)}
.pr-leg .l1{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.06em;
  white-space:nowrap}
.pr-leg .l2{font-family:'IBM Plex Mono',monospace;font-size:9.5px;white-space:nowrap;
  color:var(--mt-t4);margin-top:2px}
.paces{display:flex;gap:4px;flex:none}
.pc{font-family:'IBM Plex Mono',monospace;font-size:10px;padding:6px 9px;border-radius:7px;
  cursor:pointer;background:var(--mt-panel);color:var(--mt-t3);border:1px solid var(--mt-br-soft);
  transition:background .13s,color .13s,border-color .13s}
.pc.on{background:var(--acc);color:var(--on-acc);border-color:var(--acc)}
input[type=range]{width:100%;accent-color:var(--acc);height:20px;cursor:pointer}
input[type=range]:focus-visible{outline:2px solid var(--acc);outline-offset:3px;border-radius:4px}

/* STEP 3 : STYLE */
.style-wrap{padding:16px 22px;display:flex;flex-direction:column;gap:18px}
.mode-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:5px}
.mode-tile{display:flex;flex-direction:column;align-items:center;gap:6px;padding:10px 0 8px;
  border-radius:10px;cursor:pointer;background:var(--mt-panel);border:1px solid var(--mt-br-soft);
  color:var(--mt-t3);transition:background .14s,border-color .14s,color .14s}
.mode-tile.on{background:var(--mt-tint);border-color:var(--mt-tint-br);color:var(--acc)}
.mode-tile .ml{font-family:'IBM Plex Mono',monospace;font-size:8.5px;letter-spacing:.06em;
  text-transform:uppercase}
.mode-tile.own{padding:6px 0 7px;gap:5px}
.own-slot{width:26px;height:26px;border-radius:6px;overflow:hidden;background:var(--mt-sub);
  border:1px dashed var(--mt-dash);display:flex;align-items:center;justify-content:center;
  color:var(--mt-t4)}
.own-slot img{width:100%;height:100%;object-fit:contain;display:block}
.own-slot.drag{border-color:var(--acc);color:var(--acc)}
.trace-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.trace-card{border-radius:11px;overflow:hidden;cursor:pointer;background:var(--mt-panel);
  border:1px solid var(--mt-br-soft);transition:background .14s,border-color .14s}
.trace-card.on{background:var(--mt-tint);border-color:var(--mt-tint-br)}
.trace-card .pv{height:44px;padding:7px 10px 0}
.trace-card .tl{font-family:'IBM Plex Mono',monospace;font-size:9px;letter-spacing:.07em;
  text-transform:uppercase;padding:0 11px 9px;color:var(--mt-t3)}
.trace-card.on .tl{color:var(--acc)}
.sw-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.sw{width:24px;height:24px;border-radius:50%;cursor:pointer;border:none;padding:0;flex:none}
.sw-div{width:1px;height:18px;background:var(--mt-br);flex:none}
.hex-pill{display:flex;align-items:center;gap:7px;padding:4px 9px 4px 5px;border-radius:999px;
  border:1px solid var(--mt-br);background:var(--mt-panel);cursor:pointer;position:relative}
.hex-pill .dotc{width:18px;height:18px;border-radius:50%;display:block;
  box-shadow:inset 0 0 0 1px rgba(0,0,0,.12)}
.hex-pill .hx{font-family:'IBM Plex Mono',monospace;font-size:10px;color:var(--mt-t2)}
.hex-pill input{width:0;height:0;opacity:0;position:absolute;pointer-events:none}
.link-toggle{display:flex;align-items:center;gap:8px;cursor:pointer;background:none;
  border:none;padding:0;font-family:inherit}
.link-toggle .lt{font-size:11.5px;white-space:nowrap;color:var(--mt-t4)}
.link-toggle.on .lt{color:var(--mt-tx)}
.switch{box-sizing:border-box;width:32px;height:19px;border-radius:999px;padding:2px;
  background:var(--mt-br);display:flex;align-items:center;justify-content:flex-start;
  transition:background .18s,justify-content .18s}
.link-toggle.on .switch{background:var(--acc);justify-content:flex-end}
.switch .knob{width:14px;height:14px;border-radius:50%;background:var(--knob);
  box-shadow:0 1px 2px rgba(20,18,14,.35)}
.base-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}
.base-chip{font-family:'IBM Plex Mono',monospace;font-size:9.5px;letter-spacing:.07em;
  text-transform:uppercase;padding:8px 0;border-radius:8px;cursor:pointer;text-align:center;
  background:var(--mt-panel);border:1px solid var(--mt-br-soft);color:var(--mt-t3);
  transition:background .14s,color .14s}
.base-chip.on{background:var(--mt-inv);border-color:var(--mt-inv);color:var(--mt-inv-tx)}

/* STEP 4 : EXPORT */
.exp-wrap{padding:18px 22px;display:flex;flex-direction:column;gap:18px}
.asp{display:flex;align-items:center;gap:11px;padding:11px 12px;border-radius:10px;
  cursor:pointer;background:var(--mt-panel);border:1px solid var(--mt-br-soft);
  transition:background .14s,border-color .14s}
.asp.on{background:var(--mt-tint);border-color:var(--mt-tint-br)}
.asp .box{border:1.5px solid var(--mt-t3);border-radius:2px;flex:none}
.asp.on .box{border-color:var(--acc)}
.asp .al{font-size:13px;font-weight:500;color:var(--mt-t3)}
.asp.on .al{color:var(--acc)}
.asp .as{font-family:'IBM Plex Mono',monospace;font-size:10px;color:var(--mt-t4)}
.chip-row{display:flex;gap:6px}
.ec{flex:1;text-align:center;font-family:'IBM Plex Mono',monospace;font-size:10.5px;
  padding:9px 0;border-radius:8px;cursor:pointer;background:var(--mt-panel);
  color:var(--mt-t3);border:1px solid var(--mt-br-soft);transition:background .14s,color .14s}
.ec.on{background:var(--mt-inv);border-color:var(--mt-inv);color:var(--mt-inv-tx)}
.summary{padding:14px;border-radius:11px;background:var(--mt-sub);border:1px solid var(--mt-br);
  display:flex;flex-direction:column;gap:10px}
.srow{display:flex;justify-content:space-between;font-size:12.5px}
.srow .k{color:var(--mt-t3)}
.srow .v{font-family:'IBM Plex Mono',monospace}
#renderBtn{display:flex;align-items:center;justify-content:center;gap:9px;font-size:14px;
  font-weight:600;color:var(--on-acc);background:var(--acc);padding:13px 0;border-radius:10px;
  cursor:pointer;border:none;font-family:inherit;transition:background .15s;width:100%}
#renderBtn:hover:not(:disabled){background:var(--acc-hi)}
#renderBtn:disabled{opacity:.55;cursor:not-allowed}
#renderProg{display:none;flex-direction:column;gap:7px}
#renderProg.on{display:flex}
.rp-t{display:flex;justify-content:space-between;font-family:'IBM Plex Mono',monospace;
  font-size:10px;color:var(--mt-t3)}
.rp-track{height:4px;border-radius:2px;background:var(--mt-br);overflow:hidden}
.rp-fill{height:100%;background:var(--acc);width:0%;transition:width .12s}
#dlLink{display:none;align-items:center;justify-content:center;gap:8px;font-size:13px;
  font-weight:600;padding:11px 0;border-radius:10px;text-decoration:none;
  background:var(--mt-inv);color:var(--mt-inv-tx)}
#dlLink.on{display:flex}

/* MAP OVERLAYS */
#map{position:absolute;inset:0;z-index:0;isolation:isolate}
.leaflet-container{background:#0B0B0C}
.ov{position:absolute;z-index:2}
#titleChip{left:16px;top:16px;display:flex;align-items:center;gap:10px;
  background:var(--mt-glass);border:1px solid var(--mt-br);border-radius:10px;
  padding:8px 12px;backdrop-filter:blur(10px)}
#titleChip .rn{font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:.09em;
  text-transform:uppercase;white-space:nowrap;color:var(--mt-t3);background:none;border:none;
  outline:none;font-weight:400;max-width:220px;text-overflow:ellipsis}
#titleChip .rn:focus{color:var(--mt-tx)}
#titleChip .dv{width:1px;height:12px;background:var(--mt-br)}
#titleChip .km{font-family:'IBM Plex Mono',monospace;font-size:10px;white-space:nowrap}
#zoomStack{right:16px;top:16px;display:flex;flex-direction:column;gap:4px}
.zb{width:32px;height:32px;border-radius:9px;background:var(--mt-glass);
  border:1px solid var(--mt-br);display:flex;align-items:center;justify-content:center;
  font-size:16px;color:var(--mt-t2);cursor:pointer;backdrop-filter:blur(10px);
  font-family:inherit;transition:background .14s,color .14s}
.zb:hover{background:var(--mt-glass-hi);color:var(--mt-tx)}
#playPill{left:50%;bottom:20px;transform:translateX(-50%);display:flex;align-items:center;
  gap:12px;background:var(--mt-glass);border:1px solid var(--mt-br);border-radius:999px;
  padding:8px 14px 8px 8px;backdrop-filter:blur(16px);
  box-shadow:0 16px 40px -16px rgba(20,18,14,.45)}
#playBtn{width:38px;height:38px;flex:none;border-radius:50%;background:var(--mt-inv);
  color:var(--mt-inv-tx);display:flex;align-items:center;justify-content:center;
  cursor:pointer;border:none;transition:background .15s}
#playBtn:hover{background:var(--mt-inv-hover)}
#playBtn:disabled{opacity:.4;cursor:not-allowed}
.pp-col{display:flex;flex-direction:column;gap:5px;width:300px}
.pp-meta{display:flex;justify-content:space-between;font-family:'IBM Plex Mono',monospace;
  font-size:10px;color:var(--mt-t3)}
.pp-track{height:4px;border-radius:2px;background:var(--mt-br);cursor:pointer}
.pp-fill{height:4px;border-radius:2px;background:var(--acc);width:0%}

/* moving head pulse */
.mt-head{width:14px;height:14px;border-radius:50%;position:relative;
  box-shadow:0 0 0 3px rgba(255,255,255,.9),0 2px 10px rgba(0,0,0,.45)}
.mt-head::after{content:'';position:absolute;inset:0;border-radius:50%;
  border:2px solid currentColor;animation:mtpulse 1.6s ease-out infinite}
@keyframes mtpulse{0%{transform:scale(1);opacity:.55}100%{transform:scale(2.6);opacity:0}}

/* toast */
#toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%) translateY(8px);
  padding:9px 16px;border-radius:999px;font-size:12.5px;z-index:9000;pointer-events:none;
  opacity:0;transition:opacity .25s,transform .25s;background:var(--mt-inv);
  color:var(--mt-inv-tx);box-shadow:0 12px 32px -12px rgba(0,0,0,.5)}
#toast.on{opacity:1;transform:translateX(-50%) translateY(0)}

::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-thumb{background:var(--mt-br);border-radius:4px}
::-webkit-scrollbar-track{background:transparent}