:root {
  --paper: #f3efe6;
  --paper-2: #ebe5d6;
  --ink: #1a1a1a;
  --ink-soft: #4a4944;
  --ink-mute: #8a8880;
  --rule: #1a1a1a;
  --accent: #c8412b;
  --accent-2: #2a4d3e;
  --warn: #b8741a;
  --radius: 2px;
  --max: 1080px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  background: var(--paper);
  color: var(--ink);
  font-size: 14px;
  line-height: 1.55;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

.grain {
  position: fixed; inset: 0; pointer-events: none; z-index: 1;
  opacity: 0.5;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 0.06 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  mix-blend-mode: multiply;
}

.masthead {
  position: relative; z-index: 2;
  max-width: var(--max);
  margin: 0 auto;
  padding: 28px 32px 18px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-bottom: 1.5px solid var(--rule);
  gap: 16px;
}
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: 'Fraunces', serif; font-weight: 600; font-size: 22px;
  color: var(--ink); text-decoration: none;
  letter-spacing: -0.01em;
}
.brand-mark { color: var(--accent); transform: translateY(-1px); }
.brand-name { font-style: italic; }
.tagline {
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--ink-soft);
  display: flex; gap: 10px; align-items: baseline;
}
.tagline-num { color: var(--accent); font-weight: 600; }
.tagline-sep { opacity: 0.5; }

.stage {
  position: relative; z-index: 2;
  max-width: var(--max);
  margin: 0 auto;
  padding: 40px 32px 64px;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  grid-template-areas:
    "hero panel"
    "how  panel";
  gap: 56px 64px;
  align-items: start;
}
.stage-narrow { grid-template-columns: 1fr; max-width: 720px; }
.stage-narrow .panel { grid-column: auto; }

.hero { grid-area: hero; padding-top: 16px; }
.panel#dropPanel, .panel#resultPanel, .panel#loginPanel { grid-area: panel; align-self: start; }
.how { grid-area: how; }

@media (max-width: 880px) {
  .stage {
    grid-template-columns: 1fr;
    grid-template-areas: "hero" "panel" "how";
    gap: 36px;
    padding: 28px 20px 48px;
  }
  .masthead { padding: 20px 20px 14px; flex-wrap: wrap; }
}

.display {
  font-family: 'Fraunces', serif;
  font-weight: 400;
  font-size: clamp(40px, 6.2vw, 76px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  margin: 0 0 24px;
  font-variation-settings: "SOFT" 30, "opsz" 144;
}
.display em {
  font-style: italic;
  color: var(--accent);
  font-weight: 400;
}
.display.small { font-size: clamp(32px, 5vw, 52px); margin-bottom: 24px; }

.lede {
  max-width: 38ch;
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.6;
}
.hl {
  background: linear-gradient(180deg, transparent 60%, rgba(200,65,43,0.22) 60%);
  padding: 0 2px;
  white-space: nowrap;
  font-weight: 500;
  color: var(--ink);
}
.strike { text-decoration: line-through; text-decoration-color: var(--accent); text-decoration-thickness: 1.5px; }

.panel {
  background: var(--paper-2);
  border: 1.5px solid var(--ink);
  border-radius: var(--radius);
  padding: 28px;
  position: relative;
  box-shadow: 6px 6px 0 var(--ink);
}
.panel-label {
  position: absolute;
  top: -10px; left: 20px;
  background: var(--paper);
  padding: 0 8px;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--ink);
  font-weight: 600;
}
.panel-label span { color: var(--accent); }

/* --- Login form --- */
.login-row { margin-bottom: 6px; }
.login-row input {
  width: 100%;
  background: var(--paper);
  border: 1.5px solid var(--ink);
  color: var(--ink);
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  padding: 14px 16px;
  border-radius: var(--radius);
}
.login-row input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.login-err {
  margin-top: 10px;
  padding: 10px 12px;
  background: #f6dcd5;
  border-left: 3px solid var(--accent);
  font-size: 12px;
  color: var(--ink);
}

.signout-row {
  margin-top: 18px;
  display: flex;
  justify-content: flex-end;
}
.ghost-sm {
  background: transparent;
  border: none;
  color: var(--ink-mute);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
  padding: 4px 6px;
}
.ghost-sm:hover { color: var(--accent); }

/* --- Dropzone --- */
.dropzone {
  display: block;
  border: 1.5px dashed var(--ink);
  background: var(--paper);
  padding: 36px 20px;
  text-align: center;
  cursor: pointer;
  transition: background .15s ease, border-color .15s ease, transform .15s ease;
  position: relative;
}
.dropzone:hover { background: #fff8e6; }
.dropzone.drag { background: #fff8e6; border-color: var(--accent); transform: scale(1.005); }
.dropzone.has-file { background: #eff3ec; border-style: solid; border-color: var(--accent-2); }
.dz-icon {
  font-size: 36px;
  font-family: 'Fraunces', serif;
  color: var(--accent);
  margin-bottom: 10px;
  line-height: 1;
}
.dz-title {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 20px;
  color: var(--ink);
  margin-bottom: 4px;
}
.dz-sub { font-size: 11px; text-transform: uppercase; letter-spacing: 0.12em; color: var(--ink-mute); }

.opts { margin-top: 24px; }
.opts-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink-soft);
  margin-bottom: 10px;
}
.opts-row { display: flex; gap: 8px; flex-wrap: wrap; }
.opt {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
  font-size: 14px;
  width: 44px; height: 44px;
  background: var(--paper);
  border: 1.5px solid var(--ink);
  color: var(--ink);
  cursor: pointer;
  transition: all .12s ease;
  border-radius: var(--radius);
}
.opt:hover { background: #fff8e6; }
.opt.active { background: var(--ink); color: var(--paper); }

.cta {
  margin-top: 24px;
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 22px;
  background: var(--accent);
  color: var(--paper);
  border: 1.5px solid var(--ink);
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 18px;
  cursor: pointer;
  border-radius: var(--radius);
  box-shadow: 4px 4px 0 var(--ink);
  transition: transform .1s ease, box-shadow .1s ease, background .15s ease;
  text-decoration: none;
}
.cta:hover:not(:disabled) {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--ink);
}
.cta:active:not(:disabled) {
  transform: translate(2px, 2px);
  box-shadow: 0 0 0 var(--ink);
}
.cta:disabled { background: var(--ink-mute); cursor: not-allowed; box-shadow: 4px 4px 0 var(--ink-soft); }
.cta.secondary { background: var(--paper); color: var(--ink); }
.cta-arrow { font-family: 'JetBrains Mono', monospace; font-style: normal; font-size: 18px; }

.ghost {
  background: transparent;
  border: 1.5px solid var(--ink);
  color: var(--ink);
  padding: 10px 14px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  cursor: pointer;
  border-radius: var(--radius);
  transition: background .12s ease;
}
.ghost:hover { background: var(--ink); color: var(--paper); }

.progress { margin-top: 16px; }
.progress-bar {
  height: 6px;
  background: var(--paper);
  border: 1.5px solid var(--ink);
  border-radius: var(--radius);
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  width: 0%;
  background: var(--accent);
  transition: width .2s ease;
}
.progress-text {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 6px;
  color: var(--ink-soft);
}

.result-grid {
  display: grid;
  grid-template-columns: 1fr 220px;
  gap: 28px;
  align-items: start;
}
@media (max-width: 640px) {
  .result-grid { grid-template-columns: 1fr; }
}
.kv-block { margin-bottom: 20px; }
.kv {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px dotted var(--ink-mute);
  font-size: 13px;
}
.kv:last-child { border-bottom: none; }
.k {
  text-transform: uppercase;
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--ink-mute);
  align-self: center;
  white-space: nowrap;
}
.v {
  font-weight: 500;
  text-align: right;
  word-break: break-all;
  max-width: 60%;
}
.link-row {
  display: flex;
  gap: 8px;
  margin: 18px 0 8px;
}
.link-row input {
  flex: 1;
  background: var(--paper);
  border: 1.5px solid var(--ink);
  color: var(--ink);
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  padding: 10px 12px;
  border-radius: var(--radius);
}
.link-row input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }

.qr-wrap {
  background: var(--paper);
  border: 1.5px solid var(--ink);
  border-radius: var(--radius);
  padding: 16px;
  text-align: center;
}
.qr-wrap img { width: 100%; height: auto; display: block; image-rendering: pixelated; }
.qr-label {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 14px;
  margin-bottom: 10px;
}
.qr-caption {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink-mute);
  margin-top: 8px;
}

.how {
  display: flex;
  flex-direction: column;
  gap: 16px;
  border-top: 1.5px solid var(--rule);
  padding-top: 24px;
  max-width: 460px;
}
.how-item {
  display: flex;
  gap: 14px;
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.55;
}
.how-item strong { color: var(--ink); font-weight: 600; }
.how-num {
  font-family: 'Fraunces', serif;
  font-style: italic;
  color: var(--accent);
  font-size: 18px;
  min-width: 28px;
  flex-shrink: 0;
}

.warn {
  margin-top: 16px;
  padding: 12px 14px;
  background: #fbf0db;
  border-left: 3px solid var(--warn);
  font-size: 12px;
  color: var(--ink-soft);
}
.warn strong { color: var(--warn); }

.colophon {
  position: relative; z-index: 2;
  max-width: var(--max);
  margin: 0 auto;
  padding: 18px 32px 28px;
  display: flex;
  gap: 12px;
  border-top: 1.5px solid var(--rule);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink-mute);
  flex-wrap: wrap;
}
.colophon .dot { color: var(--accent); }

@keyframes rise {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.hero, .panel, .how, .how-item, #readyState, #errorState {
  animation: rise .5s cubic-bezier(.2,.8,.2,1) both;
}
.hero { animation-delay: .05s; }
.panel { animation-delay: .12s; }
.how-item:nth-child(1) { animation-delay: .20s; }
.how-item:nth-child(2) { animation-delay: .26s; }
.how-item:nth-child(3) { animation-delay: .32s; }