@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500&family=IBM+Plex+Sans:wght@300;400;500&display=swap');

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --bg:#0e1209;--surface:#161c10;--surface2:#1e2818;
  --border:rgba(120,200,80,0.15);--border2:rgba(120,200,80,0.3);
  --green:#5ec45e;--green-dim:rgba(94,196,94,0.5);
  --red:#e05a4a;--amber:#d4a03a;--blue:#4a9fd4;
  --text:#c8d8b8;--text-dim:rgba(200,216,184,0.5);
  --mono:'IBM Plex Mono',monospace;--sans:'IBM Plex Sans',sans-serif;
}

body{background:var(--bg);color:var(--text);font-family:var(--sans);font-size:14px;min-height:100vh;overflow-x:hidden}

/* ---- HEADER ---- */
header{padding:14px 18px 12px;border-bottom:1px solid var(--border);display:flex;align-items:baseline;gap:10px}
header h1{font-family:var(--mono);font-size:17px;font-weight:500;color:var(--green);letter-spacing:-0.5px}
header span{font-family:var(--mono);font-size:10px;color:var(--text-dim)}

/* ---- SCREENS ---- */
.screen{display:none;padding:18px;max-width:680px;margin:0 auto}
.screen.active{display:block}

/* ---- SETUP SCREEN ---- */
.field{margin-bottom:14px}
.field label{display:block;font-family:var(--mono);font-size:10px;color:var(--text-dim);text-transform:uppercase;letter-spacing:.5px;margin-bottom:6px}
.field select,.field input[type=number]{width:100%;background:var(--surface);border:1px solid var(--border);border-radius:6px;color:var(--text);font-family:var(--mono);font-size:15px;padding:9px 12px;outline:none;-webkit-appearance:none;appearance:none}
.field select:focus,.field input:focus{border-color:var(--green-dim)}
.field select option{background:#1e2818}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}

.info-box{background:var(--surface);border:1px solid var(--border);border-left:3px solid var(--green-dim);border-radius:0 6px 6px 0;padding:10px 14px;font-size:12px;color:var(--text-dim);line-height:1.7;margin-bottom:16px}
.info-box strong{color:var(--text);font-weight:500}

/* ---- BUTTONS ---- */
.btn{width:100%;padding:13px;background:transparent;border:1.5px solid var(--green-dim);border-radius:6px;color:var(--green);font-family:var(--mono);font-size:13px;font-weight:500;cursor:pointer;letter-spacing:.5px;transition:background .15s,border-color .15s;margin-top:6px}
.btn:hover{background:rgba(94,196,94,0.07);border-color:var(--green)}
.btn:active{transform:scale(0.99)}
.btn-secondary{border-color:var(--border);color:var(--text-dim)}
.btn-secondary:hover{border-color:var(--border2);color:var(--text);background:rgba(255,255,255,0.03)}
.btn-red{border-color:rgba(224,90,74,0.4);color:var(--red)}
.btn-sm{width:auto;padding:7px 14px;font-size:11px;margin-top:0}

/* ---- CAMERA SCREEN ---- */
.cam-wrap{position:relative;background:#000;border-radius:8px;overflow:hidden;margin-bottom:14px;aspect-ratio:16/9}
#cam-video{width:100%;height:100%;object-fit:cover;display:block}
#cam-canvas{display:none}

.cam-hud{position:absolute;inset:0;pointer-events:none}
.hud-top{position:absolute;top:10px;left:10px;right:10px;display:flex;justify-content:space-between;align-items:flex-start}
.hud-badge{background:rgba(14,18,9,0.75);border:1px solid var(--border);border-radius:6px;padding:6px 14px;font-family:var(--mono);font-size:18px;font-weight:500}
.hud-angle{color:var(--amber)}
.hud-count{color:var(--text-dim)}

.horizon-guide{position:absolute;top:50%;left:10%;right:10%;height:1px;background:rgba(94,196,94,0.3)}
.horizon-guide::before,.horizon-guide::after{content:'';position:absolute;top:-4px;width:1px;height:9px;background:rgba(94,196,94,0.5)}
.horizon-guide::before{left:0}
.horizon-guide::after{right:0}

.tilt-indicator{position:absolute;bottom:14px;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:8px;background:rgba(14,18,9,0.7);border-radius:20px;padding:6px 16px}
.tilt-dot{width:11px;height:11px;border-radius:50%;background:var(--green);transition:background .2s,transform .2s}
.tilt-dot.warn{background:var(--amber)}
.tilt-dot.bad{background:var(--red)}
.tilt-text{font-family:var(--mono);font-size:14px;color:var(--text-dim)}

/* progress dots */
.shot-progress{display:flex;gap:7px;justify-content:center;margin-bottom:14px;flex-wrap:wrap}
.shot-dot{width:28px;height:28px;border-radius:50%;border:1.5px solid var(--border);display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:9px;color:var(--text-dim);transition:all .2s;flex-shrink:0}
.shot-dot.done{border-color:var(--green);color:var(--green);background:rgba(94,196,94,0.1)}
.shot-dot.active{border-color:var(--amber);color:var(--amber);background:rgba(212,160,58,0.1)}

/* rotation guide */
.rotation-guide{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:12px 16px;margin-bottom:12px;display:flex;align-items:center;gap:14px}
.rotation-arrow{font-size:28px;color:var(--amber);font-weight:300;min-width:32px;text-align:center;transition:color .2s}
.rotation-arrow.ok{color:var(--green)}
.rotation-info{flex:1}
.rotation-info p{font-family:var(--mono);font-size:12px;color:var(--text-dim);line-height:1.5}
.rotation-info strong{color:var(--text);font-size:14px;display:block;margin-bottom:2px}

/* strip preview */
.strip-wrap{margin-bottom:12px;overflow-x:auto;-webkit-overflow-scrolling:touch}
.strip{display:flex;gap:4px;min-height:56px}
.strip-thumb{width:80px;height:56px;flex-shrink:0;border-radius:4px;overflow:hidden;border:1px solid var(--border);position:relative;cursor:pointer}
.strip-thumb img{width:100%;height:100%;object-fit:cover;display:block}
.strip-thumb .del{position:absolute;top:2px;right:2px;width:16px;height:16px;background:rgba(224,90,74,0.85);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:9px;color:#fff;font-weight:500;cursor:pointer;pointer-events:all}
.strip-thumb .num{position:absolute;bottom:2px;left:4px;font-family:var(--mono);font-size:8px;color:rgba(255,255,255,0.7)}
.strip-thumb .az{position:absolute;top:2px;left:4px;font-family:var(--mono);font-size:9px;font-weight:500;color:#fff;background:rgba(0,0,0,0.6);padding:1px 4px;border-radius:2px}

/* ---- PANORAMA / RESULTS ---- */
.pano-wrap{position:relative;background:var(--surface);border:1px solid var(--border);border-radius:8px;overflow:hidden;margin-bottom:14px}
#pano-canvas{display:block;cursor:crosshair;width:100%;height:auto;max-height:220px;object-fit:contain}
#overlay-canvas{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:contain;pointer-events:none}
.pano-label{position:absolute;top:8px;left:10px;font-family:var(--mono);font-size:9px;color:var(--text-dim);background:rgba(14,18,9,0.7);padding:2px 7px;border-radius:3px}

.band-ctl{display:flex;align-items:center;gap:8px;margin:-6px 0 10px;flex-wrap:wrap}
.band-ctl label{flex-basis:100%;font-family:var(--mono);font-size:10px;color:var(--text-dim);text-transform:uppercase;letter-spacing:.5px}
.band-ctl input{flex:1;accent-color:var(--green);height:28px}
.band-ctl .band-tilt{flex-basis:100%;display:flex;align-items:center;gap:6px;font-family:var(--sans);font-size:12px;text-transform:none;letter-spacing:0;color:var(--text)}
.band-ctl .band-tilt input{accent-color:var(--green);width:18px;height:18px;flex:none}
.band-ctl .band-tilt.off{color:var(--text-dim)}
.band-ctl .band-tilt:not(.off) .band-tilt-note{display:none}
.band-tilt-note{font-size:11px}
.band-end{font-family:var(--mono);font-size:10px;color:var(--text-dim)}
.pano-hint{font-size:11px;color:var(--text-dim);margin:0 0 12px}
.loupe{background:var(--surface);border:1px solid var(--amber);border-radius:8px;padding:10px;margin-bottom:14px}
.loupe-hdr{display:flex;justify-content:space-between;align-items:baseline;gap:8px;margin-bottom:8px;font-family:var(--mono);font-size:12px}
.loupe-hdr strong{color:var(--amber);font-weight:500}
#loupe-readout{color:var(--text);font-size:12px}
#loupe-canvas{display:block;width:100%;height:220px;border-radius:4px;touch-action:none;cursor:ew-resize}
.loupe-help{font-size:11px;color:var(--text-dim);line-height:1.5;margin:8px 0}
.loupe-btns{display:flex;gap:8px;flex-wrap:wrap}

.result-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:14px}
.result-card{background:var(--surface);border:1px solid var(--border);border-radius:6px;padding:10px 12px}
.result-card .val{font-family:var(--mono);font-size:24px;font-weight:500;line-height:1;margin-bottom:3px}
.result-card .lbl{font-size:10px;color:var(--text-dim)}
.v-green{color:var(--green)}.v-red{color:var(--red)}.v-amber{color:var(--amber)}

.tree-list{border:1px solid var(--border);border-radius:6px;overflow:hidden;margin-bottom:12px}
.tree-list-hdr{display:grid;grid-template-columns:26px 1fr 60px 56px;gap:0;padding:5px 10px;background:var(--surface2);font-family:var(--mono);font-size:9px;color:var(--text-dim);text-transform:uppercase;letter-spacing:.5px}
.tree-row{display:grid;grid-template-columns:26px 1fr 60px 56px;gap:0;padding:7px 10px;border-top:1px solid var(--border);align-items:center;cursor:pointer;transition:background .1s}
.tree-row:hover{background:rgba(94,196,94,0.04)}
.tree-row.excl{opacity:.35}
.dot{width:9px;height:9px;border-radius:50%;display:inline-block}
.dot-y{background:var(--green)}.dot-n{background:var(--red)}
.t-name{font-family:var(--mono);font-size:11px}
.t-angle{font-family:var(--mono);font-size:11px;color:var(--text-dim)}
.t-status{font-family:var(--mono);font-size:10px}
.s-y{color:var(--green)}.s-n{color:var(--red)}

.formula-box{background:var(--surface);border:1px solid var(--border);border-left:3px solid var(--green-dim);border-radius:0 6px 6px 0;padding:9px 13px;font-family:var(--mono);font-size:11px;line-height:2;color:var(--text-dim);margin-bottom:12px}
.hl{color:var(--green);font-weight:500}.hl-a{color:var(--amber)}.hl-r{color:var(--red)}
.occl-ctl{margin-bottom:10px}
.occl-ctl .field{margin-bottom:6px}
.occl-help{font-size:11px;color:var(--text-dim);line-height:1.5;margin-bottom:14px}
.btn-contrast.on{border-color:var(--amber);color:var(--amber);background:rgba(212,160,58,0.1)}
.clino-btns{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 8px}
.ground-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:4px;background:#000}
#ground-canvas{display:block;cursor:crosshair}
#ground-readout strong{color:var(--green)}
.clino-wrap{aspect-ratio:3/4;max-height:55vh;margin-left:auto;margin-right:auto}
#clino-video{width:100%;height:100%;object-fit:cover;display:block}
.clino-line{position:absolute;top:50%;left:0;right:0;height:3px;margin-top:-1px;background:var(--amber);box-shadow:0 0 3px rgba(0,0,0,0.8);pointer-events:none}
.clino-level{position:absolute;top:50%;left:-25%;right:-25%;height:0;border-top:2px dashed rgba(255,255,255,0.85);pointer-events:none;transform-origin:50% 0}
.clino-read{position:absolute;top:10px;left:50%;transform:translateX(-50%);background:rgba(14,18,9,0.8);border:1px solid var(--border);border-radius:6px;padding:6px 14px;font-family:var(--mono);font-size:20px;font-weight:500;color:var(--amber);white-space:nowrap}
.clino-warn{position:absolute;bottom:10px;left:10px;right:10px;text-align:center;font-family:var(--mono);font-size:12px;color:var(--red)}
.clino-list{font-family:var(--mono);font-size:12px;line-height:1.8;margin-bottom:6px}
.clino-avg{margin-top:4px;color:var(--text)}
.clino-avg strong{color:var(--green)}
.assume-hdr{color:var(--amber);text-transform:uppercase;letter-spacing:.5px;font-size:10px;margin-bottom:4px}
.assume{line-height:1.5;margin:0}
.assume dt{color:var(--text);margin-top:7px}
.assume dd{margin:1px 0 0}

.export-row{display:flex;gap:8px;margin-bottom:12px;flex-wrap:wrap}

.progress-bar{height:2px;background:var(--surface2);border-radius:1px;margin:8px 0;overflow:hidden}
.progress-fill{height:100%;background:var(--green);border-radius:1px;width:0%;transition:width .3s ease}

/* import zone */
.import-zone{border:1.5px dashed var(--border);border-radius:8px;padding:28px 16px;text-align:center;cursor:pointer;transition:border-color .2s,background .2s;position:relative;margin-top:10px}
.import-zone:hover,.import-zone.drag{border-color:var(--green-dim);background:rgba(94,196,94,0.03)}
.import-zone input{position:absolute;inset:0;opacity:0;cursor:pointer;font-size:0}
.import-zone p{color:var(--text-dim);font-size:12px;line-height:1.6}
.import-zone strong{color:var(--text);font-weight:500}

.or-divider{display:flex;align-items:center;gap:10px;margin:14px 0;color:var(--text-dim);font-size:11px}
.or-divider::before,.or-divider::after{content:'';flex:1;height:1px;background:var(--border)}

/* ---- TWO-PANORAMA IMPORT ---- */
.two-pano-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:10px}
.import-zone-sm{padding:16px 8px}
.import-zone-sm p{font-size:11px}
.pano-preview{width:100%;height:36px;border-radius:3px;display:block;margin-top:6px;border:1px solid var(--border)}

@media(max-width:400px){
  .result-grid{grid-template-columns:1fr 1fr}
  .tree-list-hdr,.tree-row{grid-template-columns:24px 1fr 52px}
  .tree-list-hdr>*:nth-child(4),.tree-row>*:nth-child(4){display:none}
}