/**
 * PTGates Platform - 공통 CSS
 * 
 * 모든 모듈에서 사용할 수 있는 공통 스타일
 */

/* 공통 유틸리티 클래스 */
.ptg-hidden {
  display: none !important;
}

.ptg-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* 로딩 스피너 */
.ptg-spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(0, 0, 0, 0.1);
  border-radius: 50%;
  border-top-color: #0073aa;
  animation: ptg-spin 0.8s linear infinite;
}

@keyframes ptg-spin {
  to {
    transform: rotate(360deg);
  }
}

/* 버튼 스타일 */
.ptg-btn {
  display: inline-block;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.5;
  text-align: center;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s;
}

.ptg-btn-primary {
  background-color: #0073aa;
  color: #fff;
  border-color: #0073aa;
}

.ptg-btn-primary:hover {
  background-color: #005a87;
  border-color: #005a87;
}

.ptg-btn-secondary {
  background-color: #f0f0f1;
  color: #1d2327;
  border-color: #dcdcde;
}

.ptg-btn-secondary:hover {
  background-color: #dcdcde;
}

/* 카드 스타일 */
.ptg-card {
  background: #fff;
  border: 1px solid #c3c4c7;
  border-radius: 4px;
  padding: 16px;
  margin-bottom: 16px;
}

/* 반응형 컨테이너 */
.ptg-container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 16px;
}

@media (max-width: 768px) {
  .ptg-container {
    padding: 0 12px;
  }
}

/* 접근성: 포커스 스타일 */
.ptg-focus-visible:focus-visible {
  outline: 2px solid #0073aa;
  outline-offset: 2px;
}

/* 키보드 단축키 힌트 */
.ptg-keyboard-hint {
  font-size: 12px;
  color: #646970;
  margin-left: 8px;
}

/* 카카오 로그인 버튼 */
.ptg-kakao-login-wrapper {
  margin-top: 15px;
  text-align: center;
}

.ptg-btn-kakao {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 300px;
  height: 45px;
  background-color: #fee500;
  color: #000000;
  text-decoration: none;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 600;
  border: none;
  transition: background-color 0.2s;
  box-sizing: border-box;
}

.ptg-btn-kakao:hover {
  background-color: #fdd835; /* Slightly darker yellow */
  text-decoration: none;
  color: #000000;
}

.ptg-icon-kakao {
  display: flex;
  align-items: center;
  margin-right: 10px;
}