:root {
  --ink:      #11161A;
  --ink2:     #0B0E11;
  --surface:  #171D22;
  --surface2: #1E252C;
  --border:   #283039;
  --text:     #EEF0EA;
  --muted:    #8B96A0;
  --teal:     #2DB09E;
  --teal-dim: #1E8073;
  --teal-lt:  #56D2C0;
  --green:    #34C08B;
  --amber:    #E9B44C;
  --red:      #F0576B;

  --shadow: 0 18px 50px -20px rgba(0,0,0,.7);
  --r: 14px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background:
    radial-gradient(1200px 600px at 82% -8%, rgba(45,176,158,.12), transparent 60%),
    var(--ink);
  color: var(--text);
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  line-height: 1.5;
  min-height: 100vh;
}

/* ---------- masthead ---------- */
.masthead {
  display: flex; align-items: center; gap: 18px;
  max-width: 940px; margin: 0 auto; padding: 34px 24px 22px;
}
.mark {
  width: 54px; height: 54px; flex: none; display: block;
  filter: drop-shadow(0 7px 14px rgba(45,176,158,.45));
}
.mast-text { flex: 1; }
.masthead h1 {
  font-family: "Archivo", sans-serif; font-weight: 900;
  font-size: clamp(26px, 4vw, 38px); letter-spacing: -1.2px;
  margin: 0; line-height: 1;
}
.masthead p { margin: 6px 0 0; color: var(--muted); font-size: 14px; }

/* ---------- banner ---------- */
.banner {
  max-width: 940px; margin: 0 auto 4px; padding: 12px 18px;
  border: 1px solid var(--teal-dim); background: rgba(45,176,158,.08);
  border-radius: 10px; color: var(--teal-lt); font-size: 13.5px;
}
.banner code { font-family: "JetBrains Mono", monospace; color: var(--teal-lt); }

/* ---------- steps ---------- */
main { max-width: 940px; margin: 0 auto; padding: 8px 24px 40px; }
.step {
  background: linear-gradient(180deg, var(--surface), var(--ink));
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 26px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
  transition: opacity .3s ease, filter .3s ease;
}
.step.locked { opacity: .4; filter: saturate(.4); pointer-events: none; }
.step-head { display: flex; align-items: baseline; gap: 14px; margin-bottom: 20px; }
.step-head .idx {
  font-family: "JetBrains Mono", monospace; font-weight: 600;
  color: var(--teal); font-size: 13px; letter-spacing: .1em;
}
.step-head h2 {
  font-family: "Archivo", sans-serif; font-weight: 700;
  font-size: 20px; margin: 0; letter-spacing: -.4px;
}
.optional-note { margin-left: auto; color: var(--muted); font-size: 12px; font-style: italic; }
.section-lead { margin: -6px 0 18px; color: var(--muted); font-size: 13.5px; max-width: 640px; }

/* ---------- capture ---------- */
.capture { display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 22px; }
.dropzone {
  position: relative; overflow: hidden;
  border: 1.5px dashed var(--border); border-radius: 12px;
  background: var(--surface2);
  padding: 34px 22px; text-align: center; cursor: pointer;
  transition: border-color .2s, background .2s, transform .1s;
}
.dropzone:hover, .dropzone:focus-visible { border-color: var(--teal); background: #1F272E; outline: none; }
.dropzone.drag { border-color: var(--teal); background: #222A31; transform: scale(1.005); }
.bc-glyph { width: 64px; height: 32px; color: var(--teal); opacity: .9; margin-bottom: 8px; }
.drop-title { margin: 0; font-weight: 600; font-size: 15px; }
.drop-sub { margin: 4px 0 0; color: var(--muted); font-size: 12.5px; }
.scanline {
  position: absolute; left: 0; right: 0; top: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--teal), transparent);
  box-shadow: 0 0 12px 2px rgba(45,176,158,.5);
  opacity: 0; animation: scan 2.6s ease-in-out infinite;
}
.dropzone:hover .scanline { opacity: 1; }
@keyframes scan { 0%,100% { top: 6%; } 50% { top: 94%; } }

.or { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .12em; }
.manual-row { margin-top: 16px; }
.linklike {
  background: none; border: none; padding: 4px 0; cursor: pointer;
  color: var(--teal-lt); font-family: inherit; font-size: 13.5px; font-weight: 600;
  text-underline-offset: 3px;
}
.linklike:hover { text-decoration: underline; }
.linklike:focus-visible { outline: 2px solid var(--teal); outline-offset: 3px; border-radius: 4px; }
.camera-wrap { display: flex; flex-direction: column; align-items: stretch; gap: 10px; }
.camera-stage { position: relative; width: 260px; }
.camera-stage.hidden { display: none; }
#video { width: 260px; height: 195px; object-fit: cover; border-radius: 10px; background: #000; display: block; }
.reticle {
  position: absolute; inset: 28px; border: 2px solid rgba(45,176,158,.85);
  border-radius: 10px; pointer-events: none;
}
.reticle.wide { inset: 62px 20px; } /* a long, thin window suits 1D barcodes */
.camera-stage .tiny { position: absolute; bottom: 8px; right: 8px; }

/* ---------- barcode confirm ---------- */
.barcode-grid { display: grid; grid-template-columns: 1fr 340px; gap: 24px; align-items: start; }
.barcode-controls { display: flex; flex-direction: column; gap: 18px; }
.barcode-col { margin: 0; text-align: center; }
#barcode-preview {
  min-height: 130px; display: flex; align-items: center; justify-content: center;
  background: #fff; border-radius: 12px; padding: 14px; border: 1px solid var(--border);
}
#barcode-preview svg { max-width: 100%; height: auto; display: block; }
.barcode-col figcaption { margin-top: 10px; color: var(--muted); font-size: 12px; }
.twod-note { display: flex; flex-direction: column; gap: 8px; align-items: center; color: #111; }
.twod-note span {
  font-family: "Archivo", sans-serif; font-weight: 700; font-size: 15px;
  background: var(--teal); color: #06231f; padding: 3px 12px; border-radius: 20px;
}
.twod-note code { font-family: "JetBrains Mono", monospace; font-size: 12.5px; color: #333; word-break: break-all; }
.note-line { font-size: 12.5px; }
.note-line.ok { color: var(--green); }
.note-line.warn { color: var(--amber); }

/* ---------- form ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field > span { font-size: 13px; font-weight: 600; color: #C9D2DE; }
.field small { color: var(--muted); font-size: 12px; }
input[type=text], select {
  background: var(--surface2); border: 1px solid var(--border); color: var(--text);
  border-radius: 9px; padding: 11px 13px; font-size: 14px; font-family: inherit; width: 100%;
  transition: border-color .15s;
}
select { appearance: none; -webkit-appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%238B96A0' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 13px center; padding-right: 34px;
}
input[type=text]:focus, select:focus { outline: none; border-color: var(--teal); }
input::placeholder { color: #5A626F; }

.photo-row { display: flex; align-items: center; gap: 14px; }
.photo-preview {
  width: 62px; height: 62px; border-radius: 14px; flex: none;
  background: var(--surface2) center/cover no-repeat;
  border: 1px solid var(--border);
}
.photo-controls { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

/* ---------- branches ---------- */
.branch-row {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 16px; margin-bottom: 14px;
  background: var(--surface2); border: 1px solid var(--border); border-radius: 12px;
}
.branch-fields { flex: 1; display: flex; flex-direction: column; gap: 10px; }
.geo-row { display: flex; gap: 8px; }
.geo-row input { flex: 1; }
.latlng { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.muted-line, .b-msg { color: var(--muted); font-size: 12px; }
.b-remove { flex: none; }

/* ---------- buttons ---------- */
.btn {
  font-family: "Inter", sans-serif; font-weight: 600; font-size: 14px;
  border-radius: 10px; border: 1px solid var(--border);
  padding: 11px 18px; cursor: pointer; color: var(--text);
  background: var(--surface2); transition: transform .08s, border-color .15s, background .15s;
}
.btn:hover { border-color: var(--teal); }
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: 2px solid var(--teal); outline-offset: 2px; }
.btn.small { padding: 9px 14px; font-size: 13px; }
.btn.tiny { padding: 6px 11px; font-size: 12px; border-radius: 8px; }
.btn.ghost { background: transparent; }
.btn.primary {
  background: var(--teal); color: #06231f; border-color: var(--teal);
  font-weight: 700; font-size: 15px; padding: 14px 26px;
  box-shadow: 0 10px 26px -10px rgba(45,176,158,.6);
}
.btn.primary:hover { background: var(--teal-lt); }
.btn.primary:disabled { background: var(--surface2); color: var(--muted); border-color: var(--border); box-shadow: none; cursor: not-allowed; }

/* ---------- generate bar ---------- */
.step[data-step="5"] { background: none; border: none; box-shadow: none; padding: 4px; }
.generate-bar { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.turnstile:empty { display: none; }
.pass-link {
  display: inline-block; margin-top: 2px;
  color: var(--teal-lt); font-weight: 600; font-size: 14px;
  text-decoration: underline; text-underline-offset: 3px;
}

/* ---------- messages ---------- */
.msg { font-size: 13.5px; margin: 12px 0 0; }
.msg.ok { color: var(--green); }
.msg.err { color: var(--red); }
.msg.info { color: var(--muted); }
.hidden { display: none !important; }

.foot {
  max-width: 940px; margin: 0 auto; padding: 8px 24px 40px;
  color: var(--muted); font-size: 12.5px; text-align: center;
}

/* ---------- responsive ---------- */
@media (max-width: 760px) {
  .capture { grid-template-columns: 1fr; }
  .or { text-align: center; }
  .barcode-grid { grid-template-columns: 1fr; }
  .camera-stage, #video { width: 100%; }
  .form-grid { grid-template-columns: 1fr; }
  .branch-row { flex-direction: column; }
  .b-remove { align-self: flex-end; }
}

@media (prefers-reduced-motion: reduce) {
  .scanline { animation: none; }
  * { transition: none !important; }
}