/* [RnD 랜딩 시안] 공통 토대 — Figma 디자인 시스템 토큰 + 폼/입력/버튼 기본
   각 버전(v1/v2/v3)은 이 파일을 먼저 불러오고, 그 위에 컨셉 스타일을 덧입힙니다. */

:root {
  --brand-500: #07D8BE;
  --brand-600: #06B5A0;
  --brand-700: #013731;   /* 가장 진한 틸 */
  --brand-50:  #E5FBF8;
  --text-primary:   #191F28;
  --text-secondary: #4E5968;
  --text-tertiary:  #8B95A1;
  --border-default: #E5E8EB;
  --border-strong:  #D1D6DB;
  --error: #F2415F;
  --radius: 14px;
  --radius-lg: 16px;
  --maxw: 480px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Noto Sans KR", system-ui, -apple-system, sans-serif;
  color: var(--text-primary);
  background: #fff;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  word-break: keep-all;       /* 한국어 자연 줄바꿈(단어 중간에서 안 깨짐) */
  overflow-wrap: break-word;
}

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* 폼 카드 */
.card {
  background: #fff;
  border: 1px solid var(--border-default);
  border-radius: 20px;
  padding: 28px 22px 32px;
  margin: 0 auto 40px;
  box-shadow: 0 8px 30px rgba(25, 31, 40, 0.07);
}
.card h2 { font-size: 20px; font-weight: 700; margin: 0 0 4px; letter-spacing: -0.5px; }
.card .sub { font-size: 14px; color: var(--text-secondary); margin: 0 0 22px; }

/* 입력 필드 */
.field { margin-bottom: 16px; }
label { display: block; font-size: 14px; font-weight: 500; margin-bottom: 8px; }
.req { color: var(--error); }
.note { color: var(--text-tertiary); font-size: 12px; font-weight: 400; }

input, select {
  width: 100%; height: 54px;
  border: 1.5px solid var(--border-default);
  border-radius: var(--radius);
  padding: 0 16px; font-size: 16px;
  font-family: inherit; color: var(--text-primary); background: #fff;
  transition: border-color .15s, box-shadow .15s;
}
input::placeholder { color: var(--text-tertiary); }
input:focus, select:focus {
  outline: none; border-color: var(--brand-500);
  box-shadow: 0 0 0 3px rgba(7, 216, 190, 0.18);
}
select {
  appearance: none; -webkit-appearance: none; padding-right: 44px;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%238B95A1' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 16px center;
}

.counter { font-size: 13px; color: var(--text-tertiary); margin-top: 6px; }
.counter.bad { color: var(--error); }

button[type="submit"] {
  width: 100%; height: 56px; border: none; border-radius: var(--radius-lg);
  background: var(--brand-500); color: #fff; font-size: 16px; font-weight: 700;
  font-family: inherit; letter-spacing: -0.3px; cursor: pointer; margin-top: 10px;
  transition: background .15s, transform .05s;
}
button[type="submit"]:hover { background: var(--brand-600); }
button[type="submit"]:active { transform: translateY(1px); }

#msg { margin-top: 14px; font-size: 14px; font-weight: 700; min-height: 20px; color: var(--error); }

/* 완료 화면(기본) */
#thanks { display: none; text-align: center; padding: 80px 24px; }
#thanks .check {
  width: 72px; height: 72px; border-radius: 50%;
  background: var(--brand-50); color: var(--brand-600);
  font-size: 38px; line-height: 72px; margin: 0 auto 22px;
}
#thanks h2 { font-size: 24px; font-weight: 700; margin: 0 0 10px; letter-spacing: -0.5px; }
#thanks p { color: var(--text-secondary); margin: 0 0 6px; }

/* 「추가 필요」 표시용 배지 */
.todo {
  display: inline-block; background: #FFF4E5; color: #B26A00;
  border: 1px dashed #FFB020; border-radius: 6px;
  font-size: 11px; font-weight: 700; padding: 1px 7px; margin-left: 6px;
  vertical-align: middle;
}

.footer {
  text-align: center; padding: 26px 20px 48px;
  color: var(--text-tertiary); font-size: 13px;
  border-top: 1px solid var(--border-default);
}
.footer a { color: var(--text-secondary); text-decoration: none; margin: 0 8px; }

[hidden] { display: none; }

/* 브랜드 로고 — 졸업모자+하트 심볼(민트 사각) + RnD 워드마크 */
.brand-logo { display: inline-flex; align-items: center; gap: 9px; text-decoration: none; }
.logo-mark {
  width: 30px; height: 30px; border-radius: 8px; overflow: hidden;
  display: inline-flex; flex-shrink: 0;
}
.logo-mark img { width: 100%; height: 100%; object-fit: cover; display: block; }
.brand-logo .wordmark { font-weight: 700; font-size: 19px; letter-spacing: -0.3px; color: var(--text-primary); }

/* 사전가입 정원 FOMO 인디케이터 (공통 — V1·V2·V3 동일하게) */
.capacity { max-width: 420px; }
.capacity-track { height: 6px; border-radius: 999px; background: var(--border-default); overflow: hidden; }
.capacity-fill { display: block; height: 100%; border-radius: 999px; background: var(--brand-500); }
.capacity-cap { font-size: 13px; color: var(--text-secondary); margin: 11px 0 0; }
.capacity-cap b { color: var(--text-primary); font-weight: 700; }

/* 이메일 인증 플로우 (제출 전 인증) — 공통 */
.verify-row, .verify-code { display: flex; gap: 8px; align-items: stretch; }
.verify-row > input, .verify-code > input { flex: 1 1 auto; min-width: 0; }
.verify-code { margin-top: 8px; }
.btn-verify {
  flex: 0 0 auto; height: 54px; padding: 0 16px; white-space: nowrap;
  border: 1.5px solid var(--brand-500); background: #fff; color: var(--brand-600);
  font-weight: 700; font-size: 14px; border-radius: var(--radius);
  cursor: pointer; font-family: inherit; transition: background .15s;
}
.btn-verify:hover { background: var(--brand-50); }
.btn-verify:disabled { border-color: var(--border-default); color: var(--text-tertiary); cursor: default; background: #fff; }
.verify-msg { font-size: 13px; margin-top: 8px; min-height: 18px; color: var(--text-secondary); }
.verify-msg.ok { color: var(--brand-600); font-weight: 700; }
.verify-msg.bad { color: var(--error); font-weight: 700; }
.field.verified > .verify-row > input { background: #F7FBFA; }