/* styles.css */

/* 🔵 전체 기본 설정 */
:root {
  --primary-color: #6C5CE7;
  --secondary-color: #A8A4FF;
  --accent-color: #FF7675;
  --background-color: #FFFFFF;
  --text-color: #2D3436;
  --light-text: #636E72;
  --error-color: #FF7675;
  --success-color: #00B894;
  --border-radius: 16px;
  --box-shadow: 0 8px 16px rgba(108, 92, 231, 0.1);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* reCAPTCHA 배지 숨기기 */
.grecaptcha-badge {
  visibility: hidden !important;
  opacity: 0 !important;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Noto Sans KR', sans-serif;
  background-color: var(--background-color);
  color: var(--text-color);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* 🔵 상단 헤더 */
header {
  text-align: center;
  padding: 1rem 1rem;
  background: linear-gradient(135deg, #312e81, #0f172a, #000000);
  color: white;
  margin-bottom: 0;
  box-shadow: var(--box-shadow);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: transform 0.3s ease-in-out;
}

header.header-hidden {
  transform: translateY(-100%);
}

header h1 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1rem;
  text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

header p {
  font-size: 1.4rem;
  opacity: 0.9;
}

/* 🔵 메인 버튼 영역 */
main {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.5rem;
  flex-wrap: wrap;
  max-width: 1200px;
  margin: 0 auto;
}

main button {
  padding: 0.8rem 1.5rem;
  font-size: 1rem;
  border: none;
  border-radius: var(--border-radius);
  background: white;
  color: var(--text-color);
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--box-shadow);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 500;
  min-width: 120px;
  justify-content: center;
}

main button:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(108, 92, 231, 0.15);
  background: var(--primary-color);
  color: white;
}

main button:active {
  transform: translateY(-2px);
}

/* 🔵 선택된 메뉴 버튼 스타일 (파란색 유지) */
main button.active {
  background: var(--primary-color);
  color: white;
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(108, 92, 231, 0.15);
}

/* 🔵 하단 푸터 */
footer {
  text-align: center;
  margin-top: 40px;
  padding: 20px;
  font-size: 14px;
  color: gray;
}

/* 🔵 컨텐츠 박스 스타일 */
#content-box {
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  padding: 2.5rem;
  margin: 0 auto;
  max-width: 1000px;
  width: 95%;
  min-height: 500px;
  transition: var(--transition);
}

/* 🔵 폼 스타일 */
form {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  margin-bottom: 2rem;
}

input, textarea, select {
  padding: 1rem;
  border: 2px solid #E0E0E0;
  border-radius: var(--border-radius);
  font-size: 1rem;
  transition: var(--transition);
  background: #F8F9FA;
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--primary-color);
  background: white;
  box-shadow: 0 0 0 4px rgba(108, 92, 231, 0.1);
}

button[type="submit"] {
  background: var(--primary-color);
  color: white;
  padding: 1.2rem;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  font-size: 1.1rem;
  transition: var(--transition);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
}

button[type="submit"]:hover {
  background: var(--secondary-color);
  transform: translateY(-2px);
}

/* 🔵 테이블 스타일 */
table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 1.5rem 0;
  background: white;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
}

th, td {
  padding: 1.2rem;
  text-align: left;
  border-bottom: 1px solid #F0F0F0;
}

th {
  background: var(--primary-color);
  color: white;
  font-weight: 500;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 1px;
}

tr:hover {
  background: #F8F9FA;
}

/* 🔵 캘린더 스타일 */
.calendar {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0.8rem;
  margin: 2rem 0;
  background: white;
  padding: 1.5rem;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
}

.calendar-day {
  padding: 1.2rem;
  text-align: center;
  border: 2px solid #F0F0F0;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
  font-weight: 500;
}

.calendar-day:hover {
  background: var(--background-color);
  border-color: var(--primary-color);
}

.calendar-day.today {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

.calendar-day.has-event {
  background: var(--accent-color);
  color: white;
  border-color: var(--accent-color);
}

/* 🔵 로딩 인디케이터 */
#loading {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.9);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  backdrop-filter: blur(5px);
}

.loading-spinner {
  width: 60px;
  height: 60px;
  border: 4px solid #F0F0F0;
  border-top: 4px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* 🔵 반응형 디자인 */
/* 🔵 반응형 디자인 */
@media (max-width: 768px) {
  header {
    padding: 1rem 0.5rem;
  }

  header h1 {
    font-size: 1.8rem;
  }

  main {
    flex-direction: column;
    align-items: stretch;
    padding: 0.5rem;
    gap: 0.5rem;
  }

  main button {
    width: 100%;
    justify-content: center;
    padding: 0.8rem 1rem;
    font-size: 0.9rem;
    min-width: 120px;
    max-width: 250px;
  }

  #content-box {
    padding: 1rem;
    margin: 0.5rem;
    width: auto;
    min-height: 400px;
  }

  .calendar-day {
    padding: 0.5rem;
    font-size: 0.8rem;
  }
}

@media (max-width: 480px) {
  header h1 {
    font-size: 1.5rem;
  }

  main button {
    padding: 0.6rem 0.8rem;
    font-size: 0.8rem;
    min-width: 100px;
  }

  #content-box {
    padding: 0.8rem;
    margin: 0.3rem;
  }
}

@media (min-width: 769px) {
  main {
    gap: 1rem;
    padding: 1rem;
  }

  main button {
    padding: 1rem 2rem;
    font-size: 1.1rem;
  }
}

/* 🔵 애니메이션 */
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in {
  animation: fadeIn 0.5s ease-out;
}

/* 🔵 유틸리티 클래스 */
.text-center { text-align: center; }
.mt-1 { margin-top: 1rem; }
.mb-1 { margin-bottom: 1rem; }
.mt-2 { margin-top: 2rem; }
.mb-2 { margin-bottom: 2rem; }
.p-1 { padding: 1rem; }
.p-2 { padding: 2rem; }