/* 이도랑 자동화(auto.idorang.com) 스타일 — 이도랑 본 사이트와 같은 색·규칙(카드 남발 없이 선으로 구역, 16px 이상, 44px 손가락) */
:root {
  --bg: #f4f6f5; --surface: #fff; --surface-2: #e9eeeb; --line: #cfd6d2; --line-strong: #93a09a;
  --text: #171c1a; --muted: #55615c; --primary: #1f6f5c; --primary-hover: #185a4a; --primary-ink: #fff; --primary-soft: #e3f0eb;
  --warn: #8a5a00; --warn-bg: #fff6db; --warn-line: #e6c56a; --bad: #b42318; --bad-bg: #fde2e1; --ok: #1f6f5c; --ok-bg: #e3f0eb;
  --radius: 8px; --max: 1120px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #111514; --surface: #1a201e; --surface-2: #222a27; --line: #34403b; --line-strong: #5d6b65;
    --text: #e8edea; --muted: #a3b0aa; --primary: #4fb394; --primary-hover: #65c4a5; --primary-ink: #0b1411; --primary-soft: #1d2f29;
    --warn: #e3b55a; --warn-bg: #332c14; --warn-line: #6b5a22; --bad: #f28b82; --bad-bg: #3a1d1b; --ok: #4fb394; --ok-bg: #1d2f29;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #111514; --surface: #1a201e; --surface-2: #222a27; --line: #34403b; --line-strong: #5d6b65;
  --text: #e8edea; --muted: #a3b0aa; --primary: #4fb394; --primary-hover: #65c4a5; --primary-ink: #0b1411; --primary-soft: #1d2f29;
  --warn: #e3b55a; --warn-bg: #332c14; --warn-line: #6b5a22; --bad: #f28b82; --bad-bg: #3a1d1b; --ok: #4fb394; --ok-bg: #1d2f29;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 "Pretendard", "Apple SD Gothic Neo", "Malgun Gothic", system-ui, sans-serif; word-break: keep-all; overflow-wrap: anywhere; }
a { color: var(--primary); }
h1, h2, h3 { line-height: 1.3; margin: 0; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.skip { position: absolute; left: -9999px; } .skip:focus { left: 16px; top: 8px; background: var(--surface); padding: 8px; z-index: 10; }

/* 머리말 */
.a-head { background: var(--surface); border-bottom: 1px solid var(--line); }
.a-head .wrap { display: flex; align-items: center; gap: 16px; min-height: 64px; flex-wrap: wrap; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 18px; color: var(--text); text-decoration: none; }
.brand img { width: 30px; height: 30px; }
.brand small { font-weight: 600; color: var(--muted); font-size: 15px; }
.a-nav { margin-left: auto; display: flex; gap: 4px; flex-wrap: wrap; }
.a-nav a { display: inline-flex; align-items: center; min-height: 44px; padding: 0 12px; border-radius: var(--radius); color: var(--text); text-decoration: none; }
.a-nav a:hover { background: var(--surface-2); }
.a-nav a[aria-current="page"] { color: var(--primary); font-weight: 700; }

/* 본문 구역 */
main { padding: 32px 0 64px; }
.lead { color: var(--muted); font-size: 18px; margin: 10px 0 0; max-width: 46em; }
.demo-badge { display: inline-block; font-size: 15px; font-weight: 700; color: var(--warn); background: var(--warn-bg); border: 1px solid var(--warn-line); border-radius: 999px; padding: 2px 12px; margin-bottom: 12px; }
.step { border-top: 1px solid var(--line); padding: 28px 0; }
.step:first-of-type { border-top: 0; }
.step > h2 { font-size: 20px; display: flex; align-items: baseline; gap: 10px; margin-bottom: 14px; }
.step > h2 .no { color: var(--primary); font-variant-numeric: tabular-nums; }
.muted { color: var(--muted); }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }

/* 버튼 */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 48px; padding: 0 18px; border-radius: var(--radius); border: 1px solid var(--line-strong); background: var(--surface); color: var(--text); font: inherit; font-weight: 700; cursor: pointer; text-decoration: none; }
.btn:hover { background: var(--surface-2); }
.btn.primary { background: var(--primary); border-color: var(--primary); color: var(--primary-ink); }
.btn.primary:hover { background: var(--primary-hover); }
.btn.small { min-height: 44px; padding: 0 12px; font-weight: 600; }
.btn:focus-visible, a:focus-visible, select:focus-visible, input:focus-visible { outline: 3px solid var(--primary); outline-offset: 2px; }
.drop { border: 2px dashed var(--line-strong); border-radius: var(--radius); padding: 18px; text-align: center; background: var(--surface); }
.drop.over { background: var(--primary-soft); border-color: var(--primary); }

/* 숫자 요약 */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 0; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); overflow: hidden; }
.stat { padding: 14px 16px; border-right: 1px solid var(--line); }
.stat:last-child { border-right: 0; }
.stat b { display: block; font-size: 26px; font-variant-numeric: tabular-nums; }
.stat span { color: var(--muted); font-size: 15px; }
.stat.bad b { color: var(--bad); } .stat.warn b { color: var(--warn); } .stat.ok b { color: var(--ok); }
.check { margin-top: 12px; padding: 10px 14px; border-radius: var(--radius); background: var(--ok-bg); color: var(--ok); font-weight: 700; }
.check.fail { background: var(--bad-bg); color: var(--bad); }

/* 표 */
.tbl-wrap { overflow: auto; max-height: 460px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
table.t { border-collapse: collapse; width: 100%; font-size: 15px; font-variant-numeric: tabular-nums; }
table.t th, table.t td { border-bottom: 1px solid var(--line); padding: 8px 10px; text-align: left; white-space: nowrap; }
table.t th { position: sticky; top: 0; background: var(--surface-2); font-weight: 700; z-index: 1; }
table.t td.n, table.t th.n { text-align: right; }
table.t tr.bad td { background: var(--bad-bg); } table.t tr.warn td { background: var(--warn-bg); } table.t tr.ok td { background: var(--ok-bg); }
.tag { display: inline-block; padding: 0 8px; border-radius: 999px; font-size: 14px; font-weight: 700; }
.tag.bad { color: var(--bad); background: var(--bad-bg); } .tag.warn { color: var(--warn); background: var(--warn-bg); } .tag.ok { color: var(--ok); background: var(--ok-bg); }

/* 설정 서식(라벨 │ 칸) */
.form { display: grid; grid-template-columns: max-content 1fr; gap: 10px 16px; align-items: center; }
.form label { font-weight: 600; }
select, input[type=number], input[type=text] { font: inherit; min-height: 44px; padding: 0 10px; border: 1px solid var(--line-strong); border-radius: var(--radius); background: var(--surface); color: var(--text); }
input[type=range] { width: 100%; min-height: 44px; accent-color: var(--primary); }
.opt { display: flex; gap: 10px; align-items: flex-start; min-height: 44px; padding: 6px 0; }
.opt input { width: 20px; height: 20px; margin-top: 4px; accent-color: var(--primary); }

/* 실제 의뢰라면 */
.real { margin-top: 8px; border-left: 4px solid var(--primary); background: var(--surface); padding: 16px 20px; border-radius: 0 var(--radius) var(--radius) 0; }
.real h3 { font-size: 18px; margin-bottom: 8px; }
.real ul { margin: 0; padding-left: 20px; }

/* 꼬리말 */
.a-foot { border-top: 1px solid var(--line); background: var(--surface); padding: 24px 0 40px; color: var(--muted); font-size: 15px; }
.a-foot .wrap { display: flex; gap: 8px 24px; flex-wrap: wrap; }

.a-toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%) translateY(20px); opacity: 0; transition: .2s; background: var(--text); color: var(--bg); padding: 12px 18px; border-radius: var(--radius); font-weight: 600; z-index: 20; pointer-events: none; max-width: calc(100% - 32px); }
.a-toast.show { opacity: 1; transform: translateX(-50%); }

@media (max-width: 640px) {
  .wrap { padding: 0 16px; }
  main { padding-top: 20px; }
  .lead { font-size: 17px; }
  .form { grid-template-columns: 1fr; gap: 4px; }
  .form label { margin-top: 8px; }
  .stat { border-right: 0; border-bottom: 1px solid var(--line); }
  .a-nav { margin-left: 0; width: 100%; }
}
@media print { .a-head, .a-foot, .btn, .drop { display: none !important; } }

/* 첫 화면 */
.hero { padding: 16px 0 28px; }
.hero h1 { font-size: clamp(28px, 4.6vw, 44px); letter-spacing: -0.02em; }
.hero h1 em { font-style: normal; color: var(--primary); }
.demos > h2 { margin-bottom: 6px; }
.demo { display: grid; grid-template-columns: 56px 1fr 32px; gap: 16px; align-items: center; padding: 20px 4px; border-bottom: 1px solid var(--line); color: var(--text); text-decoration: none; }
.demo:hover { background: var(--surface); }
.demo-no { font-size: 28px; font-weight: 800; color: var(--primary); font-variant-numeric: tabular-nums; }
.demo-body { display: grid; gap: 4px; }
.demo-body b { font-size: 19px; }
.demo-body span { color: var(--muted); }
.demo-body .demo-proof { color: var(--ok); font-weight: 600; font-size: 15px; }
.demo-go { font-size: 24px; color: var(--primary); }
.more-list { margin: 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 0 32px; }
.more-list li { padding: 10px 0; border-bottom: 1px solid var(--line); color: var(--muted); }
.more-list b { display: block; color: var(--text); }
.flow-list { margin: 0; padding-left: 22px; display: grid; gap: 10px; }
.flow-list b { display: block; }
@media (max-width: 640px) { .demo { grid-template-columns: 40px 1fr; } .demo-go { display: none; } .demo-no { font-size: 22px; } }

/* 정산 대조: 받을 돈(회색)·받은 돈(초록) 막대 */
.bar { display: block; height: 8px; background: var(--surface-2); border-radius: 4px; margin: 3px 0; overflow: hidden; }
.bar i { display: block; height: 100%; background: var(--line-strong); }
.bar.paid i { background: var(--primary); }

/* 견적 계산기 */
.quote-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 32px; margin-top: 24px; align-items: start; }
.q-form, .q-result { border-top: 1px solid var(--line); padding-top: 20px; }
.q-total { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; margin-top: 14px; padding: 16px 18px; background: var(--primary-soft); border-radius: var(--radius); }
.q-total b { font-size: 32px; color: var(--primary); font-variant-numeric: tabular-nums; }
#sheet { display: block; width: 100%; height: auto; margin-top: 14px; border: 1px solid var(--line); border-radius: var(--radius); }
#sheet[hidden] { display: none; }
@media (max-width: 860px) { .quote-grid { grid-template-columns: minmax(0, 1fr); gap: 8px; } }
.form > * { min-width: 0; }
select, input[type=text] { max-width: 100%; }
@media (max-width: 640px) { .form select, .form input[type=text] { width: 100%; } }
/* 견적 표는 좁은 화면에서도 금액이 보이게 줄바꿈 */
#lines th, #lines td { white-space: normal; }
#lines td.n { white-space: nowrap; }
@media (max-width: 640px) { #lines td.muted { font-size: 14px; } }

/* 잘못 넣은 값 표시 */
[aria-invalid="true"] { border-color: var(--bad) !important; background: var(--bad-bg) !important; }