/* 기본 배경 */
body {
  background: linear-gradient(135deg, #fff7f0, #ffe4e1);
  margin: 0;
  padding: 0;
}

/* 컨테이너 */
.signup-container {
  background-color: rgba(16, 12, 73, 0.75);
  border-radius: 0;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
  width: 30%;
  max-width: 500px;
  margin: 2rem auto;
  padding: 3rem;
  position: relative;
}

/* 로고 */
.logo-wrap {
  text-align: center;
  margin-bottom: 3rem;
  padding-top: 2rem; /* ✅ 천장과 여백 확보 */
}

.logo-wrap object {
  height: 20vh;
  min-height: 100px;
  max-height: 180px;
  margin-bottom: 0;
}

/* 안내 메시지 */
.notice-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  padding: 0 0.5rem;
  flex-wrap: wrap; /* ✅ 줄바꿈 허용 */
  gap: 0.8rem;
  text-align: center;
}

.notice-text {
  color: #c00;
  font-weight: bold;
  font-size: 1rem;
  margin: 0;
}

.back-home-link {
  font-size: 0.9rem;
  color: #0077cc;
  text-decoration: none;
}

.back-home-link:hover {
  text-decoration: underline;
}

/* 에러 메시지 */
.error-msg {
  color: red;
  font-size: 0.9rem;
  text-align: center;
  margin-bottom: 1rem;
}

/* 폼 */
form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.input-with-button {
  display: flex;
  gap: 0.4rem;
  align-items: center;
  margin-bottom: -1rem;
}

.input-with-button input[type="text"] {
  flex: 1;
  padding: 0.5rem 0.7rem;
  font-size: 0.95rem;
  border: 1px solid #323030;
  border-radius: 6px;
  color: rgb(128, 125, 125);
}

/* 입력창 공통 */
input[type="text"],
input[type="email"],
input[type="password"] {
  flex: 1;
  padding: 0.5rem 0.7rem;
  font-size: 0.95rem;
  border: 1px solid #323030;
  border-radius: 6px;
  background-color: rgba(255, 255, 255, 0.85) !important;
  color: rgb(128, 125, 125);
}

/* 중복 확인 버튼 */
.check-btn {
  padding: 0.25rem 0.6rem;
  font-size: 0.75rem;
  background-color: transparent;
  border: 1px solid #bbbbbbc3;
  color: #555;
  border-radius: 5px;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.check-btn:hover {
  background-color: #f3f3f3;
  border-color: #888;
  color: #222;
}

/* 유효성 메시지 */
.check-msg {
  height: 0;
  overflow: hidden;
  font-size: 0.85rem;
  transition: all 0.2s ease;
  opacity: 0;
  padding-left: 2px;
  margin-top: 0;
  margin-bottom: 0;
}

.check-msg.show {
  height: auto;
  margin-top: 0.2rem;
  margin-bottom: 0.7rem;
  opacity: 1;
}

.check-msg.valid {
  color: #2e8b57;
}

.check-msg.invalid {
  color: #d94343;
}

/* 가입 버튼 */
.signup-btn {
  padding: 0.75rem;
  background: #6b4cff;
  color: white;
  border: none;
  border-radius: 10px;
  font-weight: bold;
  cursor: pointer;
  transition: background 0.2s;
}

.signup-btn:hover {
  background: #5432dc;
}

/* 로그인 유도 */
.extra {
  text-align: center;
  color: white;
  margin-top: 1.5rem;
  font-size: 0.9rem;
}

.extra a {
  color: #f7f6fa;
  text-decoration: none;
}

.extra a:hover {
  color: #ff823a;
  text-decoration: underline;
}

/* 미디어쿼리: 모바일 최적화 */
@media (max-width: 640px) {
  .signup-container {
    width: 100%;
    max-width: 360px;
    margin: 2rem auto;
    padding: 2rem 1rem;
  }

  .logo-wrap {
    padding-top: 1.5rem;
    margin-bottom: 2rem;
  }

  .logo-wrap object {
    height: 16vh;
  }

  .notice-wrap {
    flex-direction: column;
    gap: 0.5rem;
  }

  input[type="text"],
  input[type="email"],
  input[type="password"] {
    font-size: 0.95rem;
    padding: 0.6rem 0.8rem;
  }

  .signup-btn {
    font-size: 0.95rem;
    padding: 0.7rem;
  }
}