:root {
  --ink: #1c2230;
  --paper: #f6f5f1;
  --panel: #ffffff;
  --line: #dedad0;
  --accent: #2f5d50;
  --accent-soft: #e4ede9;
  --warn: #a3402b;
  --muted: #6b6f76;
  font-size: 16px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Iowan Old Style", "Georgia", "Charter", serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.5;
}

header.site {
  padding: 2rem 1.5rem 1rem;
  max-width: 880px;
  margin: 0 auto;
}

header.site h1 {
  font-size: 1.6rem;
  font-weight: 600;
  margin: 0 0 .25rem;
  letter-spacing: -0.01em;
}

header.site p.tagline {
  color: var(--muted);
  margin: 0;
  font-size: .95rem;
}

main {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 1.5rem 4rem;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 1.75rem;
  margin-top: 1.5rem;
}

.steps {
  list-style: none;
  display: flex;
  gap: .5rem;
  padding: 0;
  margin: 1.5rem 0 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: .8rem;
  color: var(--muted);
}

.steps li {
  flex: 1;
  border-top: 3px solid var(--line);
  padding-top: .5rem;
}

.steps li .num {
  display: inline-block;
  width: 1.4em;
  text-align: center;
}

.steps li.active { border-top-color: var(--accent); color: var(--ink); font-weight: 600; }
.steps li.done { border-top-color: var(--accent); }

h2 {
  font-size: 1.15rem;
  margin-top: 0;
}

p.hint {
  color: var(--muted);
  font-size: .9rem;
}

label {
  display: block;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: .85rem;
  font-weight: 600;
  margin: 1rem 0 .35rem;
}

input[type=file],
input[type=text],
input[type=color],
select {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: .95rem;
  padding: .55rem .6rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  width: 100%;
  background: #fff;
  color: var(--ink);
}

button, a.btn {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border: none;
  padding: .65rem 1.2rem;
  border-radius: 4px;
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  margin-top: 1.25rem;
}

button:hover, a.btn:hover { background: #244a40; }

a.btn.secondary {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}
a.btn.secondary:hover { background: var(--accent-soft); }

.error {
  background: #fbeae5;
  border: 1px solid var(--warn);
  color: var(--warn);
  padding: .75rem 1rem;
  border-radius: 4px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: .9rem;
  margin-top: 1rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: .88rem;
  margin-top: 1rem;
}
th, td {
  text-align: left;
  padding: .5rem .6rem;
  border-bottom: 1px solid var(--line);
}
th { color: var(--muted); font-weight: 600; }

.field-row {
  display: flex;
  gap: .6rem;
  align-items: flex-end;
  padding: .6rem 0;
  border-bottom: 1px dashed var(--line);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: .85rem;
}
.field-row .name { width: 140px; font-weight: 600; flex-shrink: 0; }
.field-row .coords { color: var(--muted); font-size: .8rem; width: 110px; }
.field-row select, .field-row input[type=color] { width: auto; }

#canvasWrap {
  position: relative;
  display: inline-block;
  margin-top: 1rem;
  border: 1px solid var(--line);
  max-width: 100%;
}
#templateImg { display: block; max-width: 100%; height: auto; cursor: crosshair; }
.marker {
  position: absolute;
  transform: translate(-50%, -50%);
  background: var(--accent);
  color: #fff;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: .7rem;
  padding: .1rem .4rem;
  border-radius: 3px;
  white-space: nowrap;
  pointer-events: none;
}
.active-target {
  outline: 2px solid var(--warn);
  outline-offset: 2px;
}

.thumb-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: .75rem;
  margin-top: 1rem;
}
.thumb-grid figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
  background: #fff;
}
.thumb-grid img { width: 100%; display: block; }
.thumb-grid figcaption {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: .75rem;
  padding: .35rem .5rem;
  color: var(--muted);
}