/* ════════════════════════════════════════
   auth.css — 인증 페이지 공통 (로그인 · 회원가입)
   로그인/계정찾기 공통(.auth-*) · 회원가입(.su-*) 레이아웃·스테퍼·약관·폼 · 약관 모달
════════════════════════════════════════ */

/* ── 생년월일 분리 입력 (YYYY-MM-DD) ── */
.date-input-group {
  display: flex;
  align-items: center;
  gap: 4px;
}
.date-input-group .date-sep {
  color: #6b7280;
  font-weight: 600;
  font-size: 16px;
  user-select: none;
  flex-shrink: 0;
}
.date-input-group input[type="text"] {
  text-align: center;
  padding: 10px 8px;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  font-size: 15px;
  transition: border-color .15s, box-shadow .15s;
}
.date-input-group input[type="text"]:focus {
  outline: none;
  border-color: #2563eb;
  box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}
.date-input-group .date-yyyy { width: 72px; }
.date-input-group .date-mmdd { width: 48px; }

/* ── 비밀번호 요구사항 체크리스트 (회원가입 · 비밀번호 재설정 공통) ── */
.pw-checklist {
  list-style: none;
  margin: 6px 0 0;
  padding: 10px 14px;
  background: #f8fafc;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.pw-req {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  color: #9ca3af;          /* 기본: 회색 (미입력) */
  transition: color .15s;
}
.pw-req i { font-size: 14px; flex-shrink: 0; }
.pw-req.ok  { color: #16a34a; }   /* 충족: 초록 */
.pw-req.err { color: #dc2626; }   /* 미충족: 빨강 */

/* ── 로그인 / 계정 찾기 공통 ── */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 200px);
    padding: 40px 20px;
}

.auth-card {
    background: white;
    padding: 50px;
    border-radius: 16px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 500px;
}

.auth-card h1 { font-size: 32px; margin-bottom: 40px; text-align: center; color: #1f2937; font-weight: 700; }
.auth-card form { margin-bottom: 24px; }
.auth-card button[type="submit"] { width: 100%; padding: 16px; font-size: 17px; margin-top: 12px; font-weight: 600; }

.auth-footer { text-align: center; padding-top: 24px; border-top: 1px solid #e5e7eb; }
.auth-footer p { color: #6b7280; font-size: 15px; }
.auth-footer a { color: #2563eb; text-decoration: none; font-weight: 600; }
.auth-footer a:hover { text-decoration: underline; }

/* ── 회원가입 ── */
.su-wrap {
    display: flex; justify-content: center; align-items: flex-start;
    min-height: 100%; padding: 0 16px;
}

.su-card {
    background: var(--color-background-primary);
    border: 0.5px solid var(--color-border-tertiary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    width: 100%; max-width: 520px;
    padding: 40px 44px 44px;
}

.su-head  { text-align: center; margin-bottom: 28px; }
.su-logo  { font-size: 18px; font-weight: 700; color: var(--color-text-primary); text-decoration: none; display: block; margin-bottom: 14px; }
.su-title { font-size: 22px; font-weight: 700; color: var(--color-text-primary); margin: 0; letter-spacing: -0.3px; }

.su-stepper { display: flex; align-items: flex-start; margin-bottom: 34px; }
.su-step    { display: flex; flex-direction: column; align-items: center; gap: 7px; flex-shrink: 0; }

.su-step-circle {
    width: 34px; height: 34px; border-radius: 50%;
    border: 2px solid var(--color-border-tertiary);
    background: transparent; color: var(--color-text-secondary);
    font-size: 14px; font-weight: 700;
    display: flex; align-items: center; justify-content: center;
    transition: all 0.35s;
}
.su-step-label { font-size: 11px; color: var(--color-text-secondary); white-space: nowrap; font-weight: 500; transition: color 0.35s; }

.su-step.active .su-step-circle,
.su-step.done  .su-step-circle { border-color: var(--cl-primary); background: var(--cl-primary); color: #fff; }
.su-step.active .su-step-label { color: var(--cl-primary); font-weight: 700; }
.su-step.done  .su-step-label  { color: var(--cl-primary); font-weight: 600; }

.su-step-connector {
    flex: 1; height: 2px; background: var(--color-border-tertiary);
    margin: 0 6px; margin-top: 17px; align-self: flex-start; transition: background 0.35s;
}
.su-step-connector.done { background: var(--cl-primary); }

.su-panel     { display: flex; flex-direction: column; gap: 18px; }
.su-step-desc { font-size: 13px; color: var(--color-text-secondary); margin: 0; line-height: 1.6; }
.su-bottom-link { text-align: center; font-size: 13px; color: var(--color-text-secondary); margin: 4px 0 0; }
.su-bottom-link a { color: var(--color-text-info); text-decoration: none; }
.su-bottom-link a:hover { text-decoration: underline; }

.su-terms {
    border: 1px solid var(--color-border-tertiary);
    border-radius: var(--border-radius-md);
    padding: 14px 16px;
    display: flex; flex-direction: column; gap: 10px;
    background: var(--color-background-secondary);
}
.su-terms-all      { display: flex; align-items: center; gap: 10px; cursor: pointer; user-select: none; }
.su-terms-all-text { font-size: 14px; font-weight: 700; color: var(--color-text-primary); }
.su-terms-all-note { font-size: 12px; font-weight: 400; color: var(--color-text-secondary, #8a9a92); }
.su-terms-divider  { height: 1px; background: var(--color-border-tertiary); }
.su-terms-row      { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.su-terms-label    { display: flex; align-items: center; gap: 8px; cursor: pointer; font-size: 13px; color: var(--color-text-primary); user-select: none; flex: 1; }
.tag-req { font-size: 11px; font-weight: 700; color: #fff; background: #ef4444; border-radius: 4px; padding: 1px 6px; flex-shrink: 0; }
.tag-opt { font-size: 11px; font-weight: 600; color: var(--color-text-secondary); border: 1px solid var(--color-border-tertiary); border-radius: 4px; padding: 1px 6px; flex-shrink: 0; }
.su-terms-view { font-size: 12px; color: var(--color-text-info); background: none; border: none; cursor: pointer; padding: 0; text-decoration: underline; white-space: nowrap; flex-shrink: 0; }

.su-form  { display: flex; flex-direction: column; gap: 18px; }
.su-field { display: flex; flex-direction: column; gap: 6px; }
.su-label { font-size: 13px; font-weight: 600; color: var(--color-text-primary); display: flex; align-items: center; gap: 6px; }
.su-label .req { color: var(--color-text-danger); }
.su-label-note { font-size: 11px; font-weight: 400; color: var(--color-text-secondary); background: var(--color-background-secondary); padding: 2px 7px; border-radius: 20px; }
.su-input-row { display: flex; gap: 8px; }

.su-input {
    flex: 1; padding: 10px 13px;
    border: 1px solid var(--color-border-tertiary);
    border-radius: var(--border-radius-md);
    background: var(--color-background-secondary);
    color: var(--color-text-primary);
    font-size: 14px; outline: none;
    transition: border-color 0.2s, background 0.2s;
}
.su-input:focus { border-color: var(--color-text-info); background: var(--color-background-primary); }
.su-input.valid   { border-color: var(--color-text-success); }
.su-input.invalid { border-color: var(--color-text-danger); }
.su-input::placeholder { color: var(--color-text-secondary); }
.su-otp-input { letter-spacing: 8px; font-size: 20px; font-weight: 700; text-align: center; }

.su-check-btn {
    white-space: nowrap; padding: 10px 14px;
    background: var(--color-background-secondary);
    border: 1px solid var(--color-border-tertiary);
    border-radius: var(--border-radius-md);
    font-size: 13px; font-weight: 500; color: var(--color-text-primary);
    cursor: pointer; transition: all 0.15s; flex-shrink: 0;
}
.su-check-btn:hover:not(:disabled) { border-color: var(--color-text-info); color: var(--color-text-info); }
.su-check-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.su-check-btn.verified { border-color: var(--color-text-success); color: var(--color-text-success); background: var(--color-background-success); }

.su-timer { font-size: 13px; font-weight: 600; color: var(--color-text-danger); display: flex; align-items: center; white-space: nowrap; min-width: 38px; }
.su-hint      { font-size: 12px; margin: 0; line-height: 1.5; color: var(--color-text-secondary); }
.su-hint.ok   { color: var(--color-text-success); }
.su-hint.err  { color: var(--color-text-danger); }

.su-pw-row { position: relative; }
.su-pw-row .su-input { padding-right: 40px; }
.su-eye-btn {
    position: absolute; right: 10px; top: 50%; transform: translateY(-50%);
    background: none; border: none; cursor: pointer;
    color: var(--color-text-secondary); font-size: 18px;
    padding: 4px; line-height: 1; transition: color 0.15s;
    display: flex; align-items: center; justify-content: center;
}
.su-eye-btn:hover { color: var(--color-text-primary); }

.su-submit {
    display: block;                        /* a 태그로 쓸 때 블록으로 만들어 full-width 적용 */
    text-align: center;                    /* 텍스트 가운데 정렬 */
    text-decoration: none;                 /* 링크 밑줄 제거 */
    width: 100%; padding: 13px;
    background: var(--color-primary); color: var(--color-white); border: none;
    border-radius: var(--border-radius-md);
    font-size: 16px; font-weight: 700; cursor: pointer;
    transition: background 0.2s, opacity 0.2s;
}
.su-submit:hover:not(:disabled) { background: var(--color-primary-hover); }
.su-submit:disabled { opacity: 0.45; cursor: not-allowed; }

.su-done-box   { text-align: center; padding: 20px 0 6px; }
.su-done-icon  {
    width: 62px; height: 62px; border-radius: 50%;
    background: #dcfce7; color: #16a34a;
    font-size: 28px; font-weight: 700;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 18px;
}
.su-done-title { font-size: 20px; font-weight: 800; color: var(--color-text-primary); margin: 0 0 10px; letter-spacing: -0.3px; }
.su-done-sub   { font-size: 14px; color: var(--color-text-secondary); line-height: 1.9; margin: 0 0 12px; }
.su-done-timer { font-size: 13px; color: var(--color-text-secondary); margin: 0 0 22px; }

/* ── 약관 모달 (구조는 components/modal.css, 아래는 auth 전용 버튼) ── */
.modal-agree-btn {
    width: 100%; padding: 12px;
    background: var(--color-primary); color: #fff; border: none;
    border-radius: var(--border-radius-md);
    font-size: 14px; font-weight: 700; cursor: pointer; transition: background 0.2s;
}
.modal-agree-btn:hover { background: var(--color-primary-hover); }