/**
 * =============================================
 * NOVA DRT - 여주시 수요응답 교통 시스템
 * 브랜딩 스타일 가이드
 * =============================================
 */

:root {
  /* ===== NOVA DRT 브랜드 컬러 ===== */
  --nova-primary: #00C9A7;        /* 밝은 청록색 - 혁신, 친환경 */
  --nova-primary-dark: #00A085;   /* 진한 청록색 */
  --nova-primary-light: #33D4B8;  /* 연한 청록색 */
  
  --nova-secondary: #845EC2;      /* 보라색 - 기술, 미래 */
  --nova-secondary-dark: #6B46A8; /* 진한 보라색 */
  --nova-secondary-light: #9F7DD8; /* 연한 보라색 */
  
  --nova-accent: #FF6F91;         /* 핑크색 - 활력, 사용자 친화 */
  --nova-accent-dark: #E55577;    /* 진한 핑크색 */
  
  --nova-success: #2ECC71;        /* 성공 - 초록 */
  --nova-warning: #F39C12;        /* 경고 - 주황 */
  --nova-danger: #E74C3C;         /* 위험 - 빨강 */
  --nova-info: #3498DB;           /* 정보 - 파랑 */
  
  /* ===== 그레이스케일 ===== */
  --nova-gray-50: #F8F9FA;
  --nova-gray-100: #E9ECEF;
  --nova-gray-200: #DEE2E6;
  --nova-gray-300: #CED4DA;
  --nova-gray-400: #ADB5BD;
  --nova-gray-500: #6C757D;
  --nova-gray-600: #495057;
  --nova-gray-700: #343A40;
  --nova-gray-800: #212529;
  --nova-gray-900: #0D0D0D;
  
  /* ===== 그라데이션 ===== */
  --nova-gradient-primary: linear-gradient(135deg, #00C9A7 0%, #845EC2 100%);
  --nova-gradient-accent: linear-gradient(135deg, #FF6F91 0%, #FFA36C 100%);
  --nova-gradient-dark: linear-gradient(135deg, #00A085 0%, #6B46A8 100%);
  
  /* ===== 그림자 ===== */
  --nova-shadow-sm: 0 2px 4px rgba(0, 201, 167, 0.1);
  --nova-shadow-md: 0 4px 8px rgba(0, 201, 167, 0.15);
  --nova-shadow-lg: 0 8px 16px rgba(0, 201, 167, 0.2);
  --nova-shadow-xl: 0 12px 24px rgba(0, 201, 167, 0.25);
  
  /* ===== 테두리 반경 ===== */
  --nova-radius-sm: 8px;
  --nova-radius-md: 12px;
  --nova-radius-lg: 16px;
  --nova-radius-xl: 24px;
  --nova-radius-full: 9999px;
  
  /* ===== 여백 ===== */
  --nova-spacing-xs: 4px;
  --nova-spacing-sm: 8px;
  --nova-spacing-md: 16px;
  --nova-spacing-lg: 24px;
  --nova-spacing-xl: 32px;
  --nova-spacing-2xl: 48px;
  
  /* ===== 폰트 ===== */
  --nova-font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Apple SD Gothic Neo', 
                       'Noto Sans KR', sans-serif;
  --nova-font-size-xs: 12px;
  --nova-font-size-sm: 14px;
  --nova-font-size-md: 16px;
  --nova-font-size-lg: 18px;
  --nova-font-size-xl: 24px;
  --nova-font-size-2xl: 32px;
  --nova-font-size-3xl: 48px;
  
  /* ===== 전환 효과 ===== */
  --nova-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --nova-transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --nova-transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== NOVA DRT 공통 스타일 ===== */

.nova-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--nova-spacing-md);
}

.nova-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border: none;
  border-radius: var(--nova-radius-md);
  font-size: var(--nova-font-size-md);
  font-weight: 600;
  font-family: var(--nova-font-family);
  cursor: pointer;
  transition: var(--nova-transition);
  text-decoration: none;
  gap: 8px;
}

.nova-btn-primary {
  background: var(--nova-gradient-primary);
  color: white;
  box-shadow: var(--nova-shadow-md);
}

.nova-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--nova-shadow-lg);
}

.nova-btn-secondary {
  background: var(--nova-gray-100);
  color: var(--nova-gray-800);
}

.nova-btn-secondary:hover {
  background: var(--nova-gray-200);
}

.nova-card {
  background: white;
  border-radius: var(--nova-radius-lg);
  padding: var(--nova-spacing-lg);
  box-shadow: var(--nova-shadow-md);
  transition: var(--nova-transition);
}

.nova-card:hover {
  box-shadow: var(--nova-shadow-lg);
  transform: translateY(-4px);
}

.nova-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: var(--nova-radius-full);
  font-size: var(--nova-font-size-xs);
  font-weight: 600;
  gap: 4px;
}

.nova-badge-primary {
  background: var(--nova-primary-light);
  color: var(--nova-primary-dark);
}

.nova-badge-success {
  background: #D5F5E3;
  color: #27AE60;
}

.nova-badge-warning {
  background: #FCF3CF;
  color: #F39C12;
}

.nova-badge-danger {
  background: #FADBD8;
  color: #E74C3C;
}

/* ===== NOVA DRT 로고 스타일 ===== */

.nova-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: var(--nova-font-size-xl);
  font-weight: 700;
  background: var(--nova-gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nova-logo-icon {
  width: 40px;
  height: 40px;
  background: var(--nova-gradient-primary);
  border-radius: var(--nova-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 900;
  font-size: 20px;
}

/* ===== NOVA DRT 타이틀 ===== */

.nova-title {
  font-size: var(--nova-font-size-2xl);
  font-weight: 700;
  background: var(--nova-gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--nova-spacing-md);
}

.nova-subtitle {
  font-size: var(--nova-font-size-lg);
  color: var(--nova-gray-600);
  margin-bottom: var(--nova-spacing-lg);
}

/* ===== 좌석 선택 UI ===== */

.nova-seat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--nova-spacing-sm);
  max-width: 300px;
  margin: 0 auto;
}

.nova-seat {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--nova-gray-300);
  border-radius: var(--nova-radius-sm);
  font-weight: 600;
  cursor: pointer;
  transition: var(--nova-transition);
  background: white;
}

.nova-seat:hover {
  border-color: var(--nova-primary);
  background: var(--nova-primary-light);
  transform: scale(1.05);
}

.nova-seat.selected {
  background: var(--nova-gradient-primary);
  color: white;
  border-color: var(--nova-primary);
}

.nova-seat.occupied {
  background: var(--nova-gray-200);
  color: var(--nova-gray-500);
  cursor: not-allowed;
  opacity: 0.5;
}

.nova-seat.empty {
  background: transparent;
  border: none;
  cursor: default;
}

/* ===== 반응형 ===== */

@media (max-width: 768px) {
  .nova-container {
    padding: 0 var(--nova-spacing-sm);
  }
  
  .nova-title {
    font-size: var(--nova-font-size-xl);
  }
  
  .nova-btn {
    padding: 10px 20px;
    font-size: var(--nova-font-size-sm);
  }
}