:root {
  --bg: #0B1622;
  --panel: #101F31;
  --panel2: #152840;
  --grid: #1E3552;
  --ink: #DCE6F0;
  --ink-dim: #7C93AC;
  --amber: #E8A33D;
  --amber-dim: #8A6A3A;
  --cyan: #5FC9D8;
  --danger: #E0654F;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Roboto Mono", monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: radial-gradient(1200px 600px at 20% -10%, #10233A 0%, var(--bg) 55%);
  color: var(--ink);
  font-family: var(--sans);
  min-height: 100vh;
}

.wrap { max-width: 880px; margin: 0 auto; padding: 28px 16px 60px; }

.hdr { display: flex; align-items: center; gap: 12px; margin-bottom: 6px; }
.hdr-icon {
  width: 34px; height: 34px; border-radius: 8px;
  background: var(--panel2); border: 1px solid var(--grid);
  display: flex; align-items: center; justify-content: center;
}
.hdr-title { font-size: 20px; font-weight: 600; letter-spacing: -0.01em; }
.hdr-sub { font-size: 12px; color: var(--ink-dim); font-family: var(--mono); }
.rule { height: 1px; background: linear-gradient(90deg, var(--grid), transparent); margin: 18px 0 24px; }

.panel {
  background: var(--panel);
  border: 1px solid var(--grid);
  border-radius: 10px;
  padding: 18px;
  margin-bottom: 20px;
}
.panel-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.panel-title {
  font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink-dim); font-family: var(--sans);
}

.toggle-row { display: flex; gap: 8px; margin-bottom: 16px; }
.toggle {
  flex: 1; display: flex; align-items: center; justify-content: center; gap: 6px;
  padding: 8px 10px; border-radius: 6px; border: 1px solid var(--grid);
  background: transparent; color: var(--ink-dim);
  font-family: var(--sans); font-size: 12.5px; cursor: pointer;
}
.toggle.active { border-color: var(--amber); background: rgba(232,163,61,0.12); color: var(--amber); }

.field-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 12px;
}
.field { display: flex; flex-direction: column; gap: 4px; }
.field span {
  color: var(--ink-dim); font-family: var(--sans); font-size: 11px;
  letter-spacing: 0.06em; text-transform: uppercase;
}
.field em { font-style: normal; opacity: 0.7; margin-left: 3px; }
.field input {
  background: var(--panel2); border: 1px solid var(--grid); color: var(--amber);
  font-family: var(--mono); font-size: 15px; padding: 6px 8px; border-radius: 4px; width: 100%;
}
.field input[type="text"] { color: var(--ink); }

.hint { font-size: 11.5px; color: var(--ink-dim); margin-top: 8px; line-height: 1.5; }

.photo-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.photo-grid.single { grid-template-columns: 1fr; }
.photo-slot {
  border: 1px dashed var(--grid); border-radius: 6px; background: var(--panel2);
  overflow: hidden; position: relative;
}
.photo-slot input[type="file"] { display: none; }
.photo-slot label { cursor: pointer; display: block; }
.photo-placeholder {
  height: 160px; display: flex; flex-direction: column; align-items: center;
  justify-content: center; gap: 8px; color: var(--ink-dim);
}
.photo-placeholder span { font-family: var(--sans); font-size: 12px; }
.photo-preview { width: 100%; height: 160px; object-fit: cover; display: block; }
.photo-tag {
  position: absolute; top: 8px; left: 8px; background: rgba(11,22,34,0.85);
  padding: 3px 8px; border-radius: 4px; font-family: var(--sans); font-size: 11px;
  color: var(--ink); letter-spacing: 0.03em;
}

.btn-primary {
  margin-top: 16px; width: 100%; background: var(--amber); color: #1A1206;
  border: none; border-radius: 6px; padding: 11px 16px; font-family: var(--sans);
  font-weight: 600; font-size: 14px; cursor: pointer;
  display: flex; align-items: center; justify-content: center; gap: 8px;
}
.btn-primary:disabled { background: var(--amber-dim); cursor: default; }
.btn-secondary {
  margin-top: 10px; background: var(--panel2); color: var(--ink); border: 1px solid var(--grid);
  border-radius: 6px; padding: 9px 14px; font-family: var(--sans); font-size: 13px; cursor: pointer;
}
.btn-ghost {
  background: none; border: none; color: var(--ink-dim); cursor: pointer;
  display: flex; gap: 4px; align-items: center; font-size: 11px; font-family: var(--sans);
}

.error { color: var(--danger); font-size: 12.5px; margin-top: 10px; font-family: var(--mono); }

.result-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.preview-canvas { width: 100%; height: auto; border-radius: 6px; border: 1px solid var(--grid); display: block; }
.mono-dim { font-size: 10.5px; color: var(--ink-dim); font-family: var(--mono); }
.readouts { display: flex; flex-direction: column; justify-content: center; gap: 14px; }
.readout-label { font-size: 11px; color: var(--ink-dim); text-transform: uppercase; letter-spacing: 0.06em; }
.readout-value { font-family: var(--mono); font-size: 28px; color: var(--amber); line-height: 1.2; }
.readout-unit { font-size: 14px; color: var(--ink-dim); }

.footnote { margin-top: 8px; font-size: 11px; color: var(--ink-dim); line-height: 1.6; font-family: var(--mono); }

@media (max-width: 520px) {
  .photo-grid { grid-template-columns: 1fr; }
  .result-grid { grid-template-columns: 1fr; }
}