/* ── AUTH 공통 레이아웃 ── */
.auth-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 24px 40px;
  position: relative;
  z-index: 1;
}

.auth-glow {
  position: fixed;
  width: 500px; height: 500px;
  border-radius: 50%;
  top: -100px; left: 50%;
  transform: translateX(-50%);
  pointer-events: none;
  z-index: 0;
  background: radial-gradient(circle, var(--lime-glow) 0%, transparent 70%);
}

.auth-card {
  width: 100%;
  max-width: 440px;
  background: var(--dark3);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px;
  position: relative;
  z-index: 1;
}

.auth-card-wide {
  max-width: 600px;
}

/* ── 헤더 ── */
.auth-logo {
  text-align: center;
  margin-bottom: 28px;
}
.auth-logo a {
  font-size: 22px;
  font-weight: 900;
  text-decoration: none;
  color: var(--text);
}
.auth-logo a span { color: var(--lime); }

.auth-title {
  font-size: 26px;
  font-weight: 900;
  letter-spacing: -0.8px;
  margin-bottom: 6px;
  text-align: center;
}
.auth-sub {
  font-size: 14px;
  color: var(--text2);
  text-align: center;
  margin-bottom: 32px;
  line-height: 1.6;
}

/* ── 폼 ── */
.form-group {
  margin-bottom: 16px;
}
.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  color: var(--text2);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.form-input {
  width: 100%;
  background: var(--dark4);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
  font-size: 15px;
  color: var(--text);
  font-family: var(--font);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  box-sizing: border-box;
}
.form-input:focus {
  border-color: var(--lime);
  box-shadow: 0 0 0 3px var(--lime-glow);
}
.form-input::placeholder { color: var(--text3); }

.form-input-wrap {
  position: relative;
}
.form-input-wrap .form-input { padding-right: 48px; }
.input-eye {
  position: absolute;
  right: 14px; top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  font-size: 18px;
  color: var(--text3);
  padding: 4px;
  transition: color 0.2s;
}
.input-eye:hover { color: var(--text2); }

.form-select {
  width: 100%;
  background: var(--dark4);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
  font-size: 15px;
  color: var(--text);
  font-family: var(--font);
  outline: none;
  transition: border-color 0.2s;
  box-sizing: border-box;
  cursor: pointer;
}
.form-select:focus { border-color: var(--lime); }

.form-textarea {
  width: 100%;
  background: var(--dark4);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
  font-size: 15px;
  color: var(--text);
  font-family: var(--font);
  outline: none;
  resize: vertical;
  min-height: 100px;
  transition: border-color 0.2s;
  box-sizing: border-box;
  line-height: 1.6;
}
.form-textarea:focus { border-color: var(--lime); }
.form-textarea::placeholder { color: var(--text3); }

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.form-hint {
  font-size: 12px;
  color: var(--text3);
  margin-top: 6px;
  line-height: 1.5;
}

.form-error {
  font-size: 12px;
  color: #FF4D6A;
  margin-top: 6px;
  display: none;
}
.form-error.show { display: block; }

/* ── 비번 강도 ── */
.pw-strength { margin-top: 8px; }
.pw-bars { display: flex; gap: 4px; margin-bottom: 5px; }
.pw-bar {
  flex: 1; height: 4px;
  border-radius: 2px;
  background: var(--dark5);
  transition: background 0.3s;
}
.pw-bar.weak   { background: #FF4D6A; }
.pw-bar.medium { background: #FFD60A; }
.pw-bar.strong { background: var(--lime); }
.pw-label { font-size: 11px; color: var(--text3); }
.pw-label.weak   { color: #FF4D6A; }
.pw-label.medium { color: #FFD60A; }
.pw-label.strong { color: var(--lime); }

/* ── 체크박스 ── */
.form-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  margin-bottom: 16px;
}
.form-check input[type="checkbox"] { display: none; }
.check-box {
  width: 18px; height: 18px;
  border-radius: 5px;
  border: 1.5px solid var(--border);
  background: var(--dark4);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
  transition: all 0.2s;
  font-size: 11px;
}
.form-check input:checked + .check-box {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--dark);
}
.check-label {
  font-size: 13px;
  color: var(--text2);
  line-height: 1.5;
}
.check-label a { color: var(--lime); text-decoration: underline; }

/* ── 구분선 ── */
.auth-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 20px 0;
}
.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}
.auth-divider span {
  font-size: 12px;
  color: var(--text3);
  white-space: nowrap;
}

/* ── 소셜 로그인 ── */
.social-btns { display: flex; gap: 10px; }
.social-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--dark4);
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  transition: all 0.2s;
  font-family: var(--font);
}
.social-btn:hover { background: var(--dark5); border-color: var(--border-hover); }
.social-btn.kakao { background: #FEE500; color: #191919; border-color: #FEE500; }
.social-btn.kakao:hover { background: #F0D800; }
.social-btn.naver { background: #03C75A; color: white; border-color: #03C75A; }
.social-btn.naver:hover { background: #02B351; }

/* ── 제출 버튼 ── */
.auth-submit {
  width: 100%;
  padding: 16px;
  border-radius: var(--radius);
  border: none;
  background: var(--lime);
  color: var(--dark);
  font-size: 16px;
  font-weight: 800;
  font-family: var(--font);
  cursor: pointer;
  transition: all 0.2s;
  letter-spacing: -0.3px;
  margin-top: 8px;
}
.auth-submit:hover {
  background: var(--lime-dim);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lime);
}
.auth-submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* ── 하단 링크 ── */
.auth-footer {
  text-align: center;
  margin-top: 24px;
  font-size: 14px;
  color: var(--text2);
}
.auth-footer a { color: var(--lime); font-weight: 700; }
.auth-footer a:hover { text-decoration: underline; }

/* ── 단계 표시 (회원가입용) ── */
.steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: 32px;
}
.step-item {
  display: flex;
  align-items: center;
  gap: 8px;
}
.step-circle {
  width: 28px; height: 28px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 800;
  border: 2px solid var(--border);
  color: var(--text3);
  background: var(--dark4);
  transition: all 0.3s;
  flex-shrink: 0;
}
.step-circle.done { background: var(--lime); border-color: var(--lime); color: var(--dark); }
.step-circle.active { border-color: var(--lime); color: var(--lime); background: rgba(190,255,0,0.08); }
.step-label { font-size: 12px; color: var(--text3); font-weight: 600; }
.step-label.active { color: var(--lime); }
.step-label.done { color: var(--text2); }
.step-line { width: 32px; height: 1px; background: var(--border); margin: 0 4px; }
.step-line.done { background: var(--lime); }

/* ── 태그 선택 (관심 카테고리) ── */
.tag-select { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-item {
  padding: 8px 14px;
  border-radius: 100px;
  border: 1px solid var(--border);
  background: var(--dark4);
  font-size: 13px; font-weight: 600;
  color: var(--text2);
  cursor: pointer;
  transition: all 0.15s;
  user-select: none;
}
.tag-item:hover { border-color: var(--lime-border); color: var(--text); }
.tag-item.selected { border-color: var(--lime); background: var(--lime-glow); color: var(--lime); }

/* ── 입점 신청 진행 상태 ── */
.apply-progress {
  background: var(--lime-glow);
  border: 1px solid var(--lime-border);
  border-radius: var(--radius);
  padding: 14px 18px;
  margin-bottom: 24px;
  font-size: 13px;
  color: var(--lime);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ── 상단 네브 ── */
.auth-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 60px;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--nav-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
}
.auth-nav-logo { font-size: 18px; font-weight: 900; text-decoration: none; color: var(--text); }
.auth-nav-logo span { color: var(--lime); }
.auth-nav-right { display: flex; align-items: center; gap: 10px; }

/* ── auth 페이지 테마 버튼 ── */
.auth-nav .theme-btn {
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  cursor: pointer;
  transition: all 0.2s;
  flex-shrink: 0;
}
.auth-nav .theme-btn:hover {
  background: rgba(255,255,255,0.2);
  transform: rotate(20deg) scale(1.1);
}
[data-theme="light"] .auth-nav .theme-btn {
  background: rgba(0,0,0,0.08);
  border: 1px solid rgba(0,0,0,0.15);
}
[data-theme="light"] .auth-nav .theme-btn:hover {
  background: rgba(0,0,0,0.14);
}
.auth-nav-link { font-size: 13px; color: var(--text2); font-weight: 500; transition: color 0.2s; }
.auth-nav-link:hover { color: var(--text); }

/* ── 라이트 모드 오버라이드 ── */
[data-theme="light"] .form-input:focus { box-shadow: 0 0 0 3px rgba(255,45,120,0.1); }
[data-theme="light"] .pw-bar.strong { background: #FF2D78; }
[data-theme="light"] .pw-label.strong { color: #FF2D78; }
[data-theme="light"] .form-check input:checked + .check-box { background: #FF2D78; border-color: #FF2D78; color: white; }
[data-theme="light"] .tag-item.selected { border-color: #FF2D78; background: rgba(255,45,120,0.08); color: #FF2D78; }
[data-theme="light"] .apply-progress { background: rgba(255,45,120,0.06); border-color: rgba(255,45,120,0.2); color: #FF2D78; }
[data-theme="light"] .step-circle.done { background: #FF2D78; border-color: #FF2D78; color: white; }
[data-theme="light"] .step-circle.active { border-color: #FF2D78; color: #FF2D78; background: rgba(255,45,120,0.08); }
[data-theme="light"] .step-label.active { color: #FF2D78; }
[data-theme="light"] .step-line.done { background: #FF2D78; }

/* ── 반응형 ── */
@media (max-width: 480px) {
  .auth-card { padding: 28px 20px; border-radius: var(--radius-lg); }
  .form-grid { grid-template-columns: 1fr; }
  .social-btns { flex-direction: column; }
  .auth-title { font-size: 22px; }
}