:root {
  --bg: #f5f6f8; --card: #ffffff; --text: #1d2330; --muted: #5b6475; --line: #d9dee7;
  --accent: #1f4fd1; --accent-ink: #ffffff; --danger: #c62828; --chip: #eef2fb;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #11141a; --card: #1a1f28; --text: #e8ebf1; --muted: #9aa3b5; --line: #2c3442; --accent: #6d93ff; --accent-ink: #0b1020; --danger: #ff7a7a; --chip: #232b3a; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif; }
.wrap { max-width: 720px; margin: 0 auto; padding: 24px 16px 48px; }
/* 브라우저 기본 링크색(#0000ee)은 어두운 화면에서 읽히지 않는다 */
a { color: var(--accent); text-underline-offset: 2px; }
.head .brand { margin: 0; color: var(--accent); font-weight: 700; letter-spacing: .02em; }
.head h1 { margin: 4px 0 8px; font-size: 1.6rem; }
.lead, .help, .help-inline { color: var(--muted); }
.help { display: block; font-size: .875rem; margin-top: 4px; }
.help-inline { font-size: .875rem; font-weight: 400; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 20px; margin: 16px 0; }
.card h2 { margin: 0 0 12px; font-size: 1.1rem; }
.field { display: block; margin: 0 0 16px; border: 0; padding: 0; font-weight: 600; }
.field legend { padding: 0; margin-bottom: 8px; }
input:not([type=checkbox]):not([type=radio]):not([type=file]), textarea {
  display: block; width: 100%; margin-top: 6px; padding: 10px 12px; font: inherit; font-weight: 400;
  color: var(--text); background: var(--card); border: 1px solid var(--line); border-radius: 8px;
}
input:focus, textarea:focus, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.row { display: grid; gap: 0 16px; grid-template-columns: 1fr; }
@media (min-width: 600px) { .row { grid-template-columns: 1fr 1fr; } }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { display: inline-flex; align-items: center; gap: 6px; padding: 8px 12px; border: 1px solid var(--line); border-radius: 999px; background: var(--chip); font-weight: 400; cursor: pointer; }
.chip:has(input:checked) { border-color: var(--accent); outline: 1px solid var(--accent); }
.quick { display: flex; gap: 8px; margin: 6px 0 0; }
.quick button { padding: 6px 12px; border: 1px solid var(--line); border-radius: 999px; background: var(--chip); color: var(--text); font: inherit; font-size: .875rem; cursor: pointer; }
.check { display: flex; gap: 8px; align-items: flex-start; font-weight: 400; }
.file-row { margin-bottom: 16px; }
.file-row label { font-weight: 600; display: block; }
.file-row input[type=file] { display: block; margin-top: 6px; max-width: 100%; }
.consent-text { font-size: .9rem; color: var(--muted); max-height: 220px; overflow: auto; border: 1px solid var(--line); border-radius: 8px; padding: 8px 12px; margin-bottom: 12px; }
.req { color: var(--danger); }
.err { display: block; color: var(--danger); font-size: .875rem; font-weight: 600; min-height: 0; }
.err:empty { display: none; }
.form-err { margin: 0 0 8px; }
#form-fields { border: 0; padding: 0; margin: 0; min-width: 0; }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
#turnstile { margin: 16px 0 8px; }
.primary { width: 100%; padding: 14px; border: 0; border-radius: 10px; background: var(--accent); color: var(--accent-ink); font: inherit; font-weight: 700; font-size: 1.05rem; cursor: pointer; }
.primary:disabled { opacity: .6; cursor: progress; }
.progress { color: var(--muted); text-align: center; min-height: 1.6em; }
.done strong { font-size: 1.2rem; }
.foot { color: var(--muted); font-size: .875rem; text-align: center; margin-top: 24px; }
.foot a { color: inherit; }