/* 
 * Design System & Global Styles
 * Font: Pretendard 
 */
@import url("https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.css");

:root {
  /* Colors */
  --color-primary: #3447F6;
  /* 메인 파란색 버튼/포인트 */
  --color-primary-hover: #2938C2;
  --color-error: #FF3B30;
  /* 에러 텍스트/보더 */
  --color-bg: #F5F6F8;
  /* 전체 배경 회색 */
  --color-surface: #FFFFFF;
  /* 카드 및 폼 배경 */

  --color-text-main: #1C1C1E;
  /* 주 텍스트 (블랙) */
  --color-text-sub: #636366;
  /* 보조 텍스트 (라벨류) */
  --color-text-placeholder: #AEAEB2;
  --color-border: #E5E5EA;
  /* Input 및 구분선 */
  --color-border-focus: #3447F6;

  /* Tyopgraphy */
  --font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  /* Layout & Spacing */
  --border-radius: 8px;
  --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  --transition-speed: 0.2s;
}

/* Reset & Base */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family);
  background-color: var(--color-bg);
  color: var(--color-text-main);
  line-height: 1.5;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

a {
  text-decoration: none;
  color: inherit;
}

input {
  font-family: inherit;
}

/* Common Components */

.login-container {
  background-color: var(--color-surface);
  width: 100%;
  max-width: 400px;
  padding: 48px 40px;
  border-radius: var(--border-radius);
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
}

.logo-wrapper {
  text-align: center;
  margin-bottom: 40px;
}

.logo-wrapper img {
  height: 24px;
}

/* Forms */
.form-group {
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
}

.form-group label {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-main);
  margin-bottom: 8px;
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="email"] {
  height: 48px;
  padding: 0 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  font-size: 15px;
  color: var(--color-text-main);
  transition: border-color var(--transition-speed);
}

.form-group input::placeholder {
  color: var(--color-text-placeholder);
}

.form-group input:focus {
  outline: none;
  border-color: var(--color-border-focus);
}

/* Error State */
.form-group.has-error input {
  border-color: var(--color-error);
}

.error-message {
  color: var(--color-error);
  font-size: 12px;
  margin-top: 6px;
  display: none;
}

.form-group.has-error .error-message {
  display: block;
}

/* Checkbox & Helpers */
.form-actions-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
}

.checkbox-wrap {
  display: flex;
  align-items: center;
  cursor: pointer;
}

.checkbox-wrap input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-right: 8px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.checkbox-wrap span {
  font-size: 14px;
  color: var(--color-text-sub);
}

.find-password-link {
  font-size: 14px;
  color: var(--color-text-sub);
  transition: color var(--transition-speed);
}

.find-password-link:hover {
  color: var(--color-primary);
}

/* Buttons */
.btn-primary {
  width: 100%;
  height: 52px;
  background-color: var(--color-text-main);
  /* 초기 시안의 블랙계열 버튼 */
  color: #fff;
  border-radius: var(--border-radius);
  font-size: 16px;
  font-weight: 600;
  transition: all 0.25s cubic-bezier(0.25, 0.8, 0.25, 1);
  transform: translateY(0);
}

.btn-primary:hover {
  background-color: #333;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-primary:active {
  transform: translateY(1px);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Footer links */
.footer-links {
  margin-top: 24px;
  display: flex;
  justify-content: center;
  gap: 16px;
  font-size: 13px;
  color: var(--color-text-sub);
}

.footer-links a {
  transition: color var(--transition-speed);
}

.footer-links a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

/* Responsive - Mobile Optimization */
@media (max-width: 480px) {
  .login-container {
    padding: 32px 24px;
    box-shadow: none;
    /* 모바일에서는 플랫한 느낌이거나 여백 축소 */
    border-radius: 0;
    min-height: 100vh;
    justify-content: center;
  }

  .form-group input[type="text"],
  .form-group input[type="password"],
  .form-group input[type="email"] {
    height: 44px;
    font-size: 14px;
  }

  .btn-primary {
    height: 48px;
    font-size: 15px;
  }

  .apply-container .form-grid {
    grid-template-columns: 1fr;
    /* 기업서비스 모바일에서 1단 배치 */
    gap: 16px;
  }
}