:root {
  color-scheme: light dark;
  --ink: #16130f;
  --muted: #5c564c;
  --paper: #f3eee4;
  --paper-2: #e7e0d2;
  --card: #fbf8f1;
  --line: #d8d0c2;
  --forest: #1f3a34;
  --forest-2: #2c5249;
  --rust: #c45c26;
  --good: #1b6b45;
  --bad: #a33b24;
  --shadow: 0 18px 50px rgba(22, 19, 15, 0.08);
  --glow: #efe6d4;
  --field: #ffffff;
  --drop: #f7f3ea;
  --drop-line: #b9b09e;
  --drop-hover: #eef4f0;
  --chip-on: #e7efe9;
  --thumb-bg: #ddd;
  --mark-ink: #f4efe6;
  --btn-ink: #f6f1e6;
  --warn: #8a5a12;
  --check-a: #ece8df;
  --check-b: #ffffff;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #efe8dc;
    --muted: #b4aa9a;
    --paper: #12100e;
    --paper-2: #1c1915;
    --card: #1b1815;
    --line: #3d362e;
    --forest: #8fbfb0;
    --forest-2: #b7d9cd;
    --rust: #e0894a;
    --good: #6dcaa0;
    --bad: #e07a64;
    --shadow: 0 18px 50px rgba(0, 0, 0, 0.4);
    --glow: #24302a;
    --field: #12100e;
    --drop: #161310;
    --drop-line: #5a5348;
    --drop-hover: #1e2a26;
    --chip-on: #1e2c28;
    --thumb-bg: #2a2622;
    --mark-ink: #12100e;
    --btn-ink: #12100e;
    --warn: #e0b36a;
    --check-a: #2a2622;
    --check-b: #1b1815;
  }
}

* { box-sizing: border-box; }
html, body { min-height: 100%; color-scheme: light dark; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, var(--glow) 0%, transparent 50%),
    var(--paper);
  font-family: var(--sans);
  letter-spacing: -0.01em;
}
a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; color: inherit; }

.shell { min-height: 100vh; display: flex; flex-direction: column; }
main { flex: 1; width: min(1080px, calc(100% - 32px)); margin: 0 auto; padding: 12px 0 64px; }

.nav {
  display: flex;
  align-items: center;
  gap: 20px;
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
  padding: 22px 0 8px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 750;
  letter-spacing: -0.04em;
  font-size: 1.15rem;
}
.mark {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--forest);
  color: var(--mark-ink);
  display: grid;
  place-items: center;
  font-size: 16px;
}
.links { display: flex; gap: 4px; flex: 1; }
.links a {
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.92rem;
}
.links a.on, .links a:hover { background: var(--paper-2); color: var(--ink); }
.pill {
  font-size: 0.75rem;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
  background: var(--card);
}

.page-head, .hero { padding: 28px 0 10px; max-width: 720px; }
.kicker {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
  color: var(--rust);
  font-weight: 700;
  margin: 0 0 10px;
}
h1 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin: 0 0 14px;
}
h1 em { font-style: italic; color: var(--forest-2); }
.lede { font-size: 1.08rem; color: var(--muted); line-height: 1.55; margin: 0; }
.lede strong { color: var(--ink); }

.panel {
  margin-top: 22px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 18px;
  box-shadow: var(--shadow);
}
.label-row, .controls {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  align-items: center;
  margin-bottom: 14px;
}
.label-row span, .controls label { font-size: 0.85rem; color: var(--muted); font-weight: 600; }
.controls label { display: flex; align-items: center; gap: 8px; }
.controls input[type="number"], .controls select, .custom-kb input {
  width: 88px;
  border: 1px solid var(--line);
  background: var(--field);
  border-radius: 10px;
  padding: 8px 10px;
}
.custom-kb { display: flex; align-items: center; gap: 8px; margin-left: auto; font-weight: 650; }
.meta, .fine { color: var(--muted); font-size: 0.85rem; }
.fine { line-height: 1.45; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.chip {
  text-align: left;
  border: 1px solid var(--line);
  background: var(--field);
  border-radius: 14px;
  padding: 10px 12px;
  cursor: pointer;
  min-width: 112px;
}
.chip b { display: block; font-size: 0.95rem; }
.chip small { color: var(--muted); }
.chip.on { border-color: var(--forest); background: var(--chip-on); }

.drop {
  display: grid;
  place-items: center;
  gap: 6px;
  padding: 36px 16px;
  border: 1.5px dashed var(--drop-line);
  border-radius: 16px;
  background: var(--drop);
  cursor: pointer;
  color: var(--muted);
}
.drop.over, .drop:hover { border-color: var(--forest); background: var(--drop-hover); }
.drop strong { color: var(--ink); font-size: 1.05rem; }
.drop-icon { color: var(--forest); }

.status {
  margin-top: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--forest);
  font-weight: 600;
}
.pulse {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--rust);
  animation: pulse 1s ease-in-out infinite;
}
@keyframes pulse { 50% { opacity: 0.35; transform: scale(0.85); } }
.err { color: var(--bad); font-weight: 600; }
.warn { color: var(--warn); font-size: 0.9rem; }

.results { display: grid; gap: 12px; margin-top: 18px; }
.result {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 14px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 12px;
  align-items: center;
}
.result img {
  width: 92px; height: 92px; object-fit: cover; border-radius: 10px; background: var(--thumb-bg);
}
.result h3 { margin: 0 0 6px; font-size: 0.95rem; }
.sizes { display: flex; gap: 8px; align-items: baseline; flex-wrap: wrap; margin: 0 0 8px; }
.sizes span { color: var(--muted); }
.good { color: var(--good); }
.bad { color: var(--bad); }
.sizes em { color: var(--muted); font-style: normal; font-size: 0.82rem; }

.btn {
  background: var(--forest);
  color: var(--btn-ink);
  border: 0;
  border-radius: 12px;
  padding: 10px 14px;
  font-weight: 650;
  cursor: pointer;
}
.btn:disabled { opacity: 0.6; cursor: wait; }
.btn.ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}
.btn-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0; }

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 28px;
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 20px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  min-height: 230px;
}
.card:hover { border-color: var(--forest); }
.card-tag {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--rust);
  font-weight: 700;
}
.card h2 { font-family: var(--serif); font-size: 1.45rem; margin: 10px 0; }
.card p { color: var(--muted); flex: 1; line-height: 1.45; }
.go { font-weight: 700; color: var(--forest); }

.split {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 16px;
  margin-top: 16px;
}
.side {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 16px;
}
.photo-preview, .sig-preview {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  background:
    linear-gradient(45deg, var(--check-a) 25%, transparent 25%) 0 0 / 16px 16px,
    linear-gradient(45deg, transparent 75%, var(--check-a) 75%) 8px 8px / 16px 16px,
    var(--check-b);
}
.photo-preview img, .photo-preview canvas, .sig-preview img {
  width: 100%;
  height: auto;
  display: block;
}
.sig-preview { min-height: 160px; color: var(--muted); }

.crop-wrap {
  position: relative;
  height: min(70vh, 560px);
  background: #1a1814;
  border-radius: 20px;
  overflow: hidden;
  user-select: none;
  touch-action: none;
}
.crop-wrap img {
  position: absolute;
  inset: 0;
  margin: auto;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  pointer-events: none;
}
.crop-box {
  position: absolute;
  border: 2px solid #fff;
  box-shadow: 0 0 0 9999px rgba(12, 10, 8, 0.45);
  cursor: grab;
}
.crop-handle {
  position: absolute;
  right: -7px;
  bottom: -7px;
  width: 16px;
  height: 16px;
  background: #fff;
  border-radius: 4px;
  cursor: nwse-resize;
}

.faq { margin-top: 36px; max-width: 640px; color: var(--muted); line-height: 1.6; }
.faq h2 { font-family: var(--serif); color: var(--ink); margin-bottom: 8px; }
.faq.long { max-width: 720px; }
.faq.long a, .lede a, .foot a { color: var(--forest); font-weight: 650; text-decoration: underline; text-underline-offset: 3px; }
.faq ul { padding-left: 1.1rem; }
.faq li { margin: 6px 0; }

.controls.extra { margin-top: 4px; }
.statbar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  align-items: center;
  margin-top: 16px;
  padding: 12px 14px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
}
.statbar span { color: var(--muted); font-size: 0.9rem; }
.statbar b { color: var(--ink); }
.statbar .btn { margin-left: auto; }

.thumb {
  width: 92px;
  height: 92px;
  padding: 0;
  border: 0;
  background: var(--thumb-bg);
  border-radius: 10px;
  overflow: hidden;
  cursor: zoom-in;
}
.thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.pdf-thumb {
  display: grid;
  place-items: center;
  font-weight: 700;
  color: var(--forest);
  background: var(--chip-on);
  cursor: default;
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(22, 19, 15, 0.55);
  display: grid;
  place-items: center;
  z-index: 20;
  padding: 24px;
}
.modal-card {
  background: var(--card);
  border-radius: 16px;
  padding: 16px;
  max-width: min(920px, 100%);
  max-height: 90vh;
  overflow: auto;
}
.modal-card img { max-width: 100%; height: auto; border-radius: 10px; display: block; margin: 10px 0; }

.link-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 10px;
  margin-top: 28px;
}
.link-grid a {
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 12px;
  padding: 12px 14px;
  font-weight: 650;
  font-size: 0.92rem;
}
.link-grid a:hover { border-color: var(--forest); }

.privacy-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 18px 0 0;
}
.privacy-badges li {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--forest);
  color: var(--forest);
  background: var(--chip-on);
}

#tool[hidden] { display: none !important; }
#tool { min-height: 120px; }
.tool-boot {
  margin: 22px 0 0;
  padding: 28px 16px;
  text-align: center;
  color: var(--muted);
  background: var(--card);
  border: 1px dashed var(--line);
  border-radius: 16px;
}

.seo-faq h3 { color: var(--ink); font-size: 1.05rem; margin: 18px 0 6px; }

.foot {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto 24px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.82rem;
}

@media (max-width: 860px) {
  .cards, .split { grid-template-columns: 1fr; }
  .pill { display: none; }
  .result { grid-template-columns: 1fr; }
  .result img { width: 100%; height: 160px; }
}