:root {
  --ink: #0b0b0b; --ink2: #52514e; --line: #ddd9d2;
  --accent: #2a78d6; --good: #0ca30c; --bad: #d03b3b; --warn: #b57d00;
  --bg: #faf9f6; --panel: #ffffff;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 14px/1.45 system-ui, -apple-system, "Segoe UI", sans-serif;
}
header { padding: 18px 24px 6px; }
h1 { margin: 0; font-size: 20px; }
.badge {
  font-size: 11px; padding: 2px 8px; border-radius: 10px;
  vertical-align: middle; font-weight: 600;
}
.badge.shadow { background: #fff3d6; color: var(--warn); border: 1px solid var(--warn); }
.meta { color: var(--ink2); font-size: 12px; margin-top: 4px; }
code { background: #f0ede7; padding: 1px 4px; border-radius: 3px; }

main { display: flex; flex-wrap: wrap; gap: 16px; padding: 16px 24px; align-items: flex-start; }
.panel {
  background: var(--panel); border: 1px solid var(--line); border-radius: 8px;
  padding: 16px; flex: 1 1 460px; max-width: 720px;
}
fieldset {
  border: 1px solid var(--line); border-radius: 6px; margin: 0 0 12px;
  display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 8px 12px;
}
legend { font-weight: 600; font-size: 13px; padding: 0 6px; }
label { display: flex; flex-direction: column; font-size: 12px; color: var(--ink2); gap: 3px; }
label.wide { grid-column: 1 / -1; }
label.check { flex-direction: row; align-items: center; gap: 6px; color: var(--ink); }
input {
  padding: 5px 7px; border: 1px solid var(--line); border-radius: 4px;
  font: inherit; color: var(--ink); background: #fff;
}
input:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
.hint { font-weight: 400; color: #999; font-size: 11px; }
.product-btns { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.prod-btn, .ex-btn, #clear-btn {
  font-size: 11px; padding: 3px 8px; border: 1px solid var(--line);
  background: #f6f4ef; border-radius: 4px; cursor: pointer;
}
.prod-btn:hover, .ex-btn:hover, #clear-btn:hover { border-color: var(--accent); color: var(--accent); }
.examples { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin-bottom: 12px; font-size: 12px; color: var(--ink2); }
.actions { display: flex; align-items: center; gap: 12px; }
#score-btn {
  background: var(--accent); color: #fff; border: none; border-radius: 6px;
  padding: 9px 18px; font: inherit; font-weight: 600; cursor: pointer;
}
#score-btn:disabled { opacity: 0.5; cursor: wait; }
.hidden { display: none !important; }

.banner { padding: 10px 14px; border-radius: 6px; font-weight: 600; margin-bottom: 12px; }
.banner.approve { background: #e7f6e7; color: var(--good); border: 1px solid var(--good); }
.banner.decline { background: #fbeaea; color: var(--bad); border: 1px solid var(--bad); }
.banner.notgrade { background: #fff3d6; color: var(--warn); border: 1px solid var(--warn); }
.banner .small { display: block; font-weight: 400; font-size: 12px; margin-top: 2px; }

.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
.tile { border: 1px solid var(--line); border-radius: 6px; padding: 10px 12px; }
.tile.total { border-color: var(--ink); }
.tile .label { font-size: 11px; color: var(--ink2); text-transform: uppercase; letter-spacing: 0.04em; }
.tile .value { font-size: 20px; font-weight: 700; margin-top: 2px; }
.tile .value.neg { color: var(--bad); }
.tile .value.pos { color: var(--good); }
.tile .sub { font-size: 11px; color: var(--ink2); margin-top: 2px; }

.note { margin-top: 10px; font-size: 12px; color: var(--ink2); }
.warnings { margin: 10px 0 0; padding-left: 18px; color: var(--warn); font-size: 12px; }
details { margin-top: 12px; font-size: 12px; }
pre { background: #f6f4ef; padding: 10px; border-radius: 6px; overflow-x: auto; font-size: 11px; }
footer { padding: 10px 24px 20px; color: var(--ink2); font-size: 12px; }