/* ============================================================
   Competition Page — Styles for 대회정보
   ============================================================ */

/* ── Competition Tabs ── */
.competition-tabs {
  margin-bottom: var(--space-2xl);
}

.competition-tabs .tabs__item {
  flex: 0 1 auto;
  min-width: 80px;
}

/* ── Competition Grid ── */
.competition-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-3xl);
}

.competition-card {
  display: flex;
  flex-direction: column;
  position: relative;
  cursor: pointer;
  overflow: hidden;
  background: #fff;
  transition:
    transform 0.45s cubic-bezier(0.34, 1.46, 0.64, 1),
    box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1),
    border-color 0.3s ease;
  will-change: transform;
}

/* 카드 전체 클릭 영역 (absolute 링크) */
.competition-card__link {
  position: absolute;
  inset: 0;
  z-index: 1;
  text-decoration: none;
  color: inherit;
}

/* 1. 그라디언트 배경 오버레이 (hover 시 페이드인 + 살짝 슬라이드) */
.competition-card::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 0% 100%, rgba(208, 2, 27, 0.07) 0%, transparent 55%),
    linear-gradient(135deg, rgba(0, 43, 91, 0.05) 0%, rgba(255, 255, 255, 0) 70%);
  opacity: 0;
  transform: scale(1.05);
  transition: opacity 0.4s ease, transform 0.4s ease;
  pointer-events: none;
  border-radius: inherit;
}
.competition-card:hover::before {
  opacity: 1;
  transform: scale(1);
}

/* 2. 상단 컬러 액센트 스트립 (왼쪽에서 오른쪽으로 slide-in) */
.competition-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--knvf-navy) 0%, #1A4A7A 50%, var(--knvf-red) 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 3;
  pointer-events: none;
}
.competition-card:hover::after { transform: scaleX(1); }

/* 3. lift + scale + 다층 컬러 그림자 */
.competition-card:hover {
  transform: translateY(-12px) scale(1.018);
  box-shadow:
    0 32px 64px -16px rgba(0, 43, 91, 0.32),
    0 16px 32px -8px rgba(208, 2, 27, 0.12),
    0 0 0 1px rgba(0, 43, 91, 0.18);
  border-color: transparent;
}

/* 4. 제목 강조 (색상 + 스케일) */
.competition-card .card__title {
  transition: color 0.3s ease, transform 0.3s ease;
  transform-origin: left;
}
.competition-card:hover .card__title {
  color: var(--knvf-navy);
}

/* 5. 우측 하단 "상세보기" CTA badge — 슬라이드 업 + 페이드인 */
.competition-card__cta {
  position: absolute;
  bottom: 16px; right: 16px;
  display: inline-flex;
  align-items: center; gap: 6px;
  padding: 8px 14px;
  background: linear-gradient(135deg, var(--knvf-navy) 0%, #1A4A7A 100%);
  color: #fff;
  border-radius: 999px;
  font-size: 12px; font-weight: 700;
  letter-spacing: 0.02em;
  opacity: 0;
  transform: translateY(12px) scale(0.85);
  transition:
    opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  pointer-events: none;
  z-index: 2;
  box-shadow: 0 6px 20px rgba(0, 43, 91, 0.35);
}
.competition-card__cta .material-symbols-outlined {
  font-size: 14px; font-weight: 700;
}
.competition-card:hover .competition-card__cta {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* 액션 버튼은 카드 링크 위에 떠야 따로 클릭 가능 */
.competition-card .card__actions {
  position: relative;
  z-index: 2;
}

/* 6. 뱃지에 살짝 lift */
.competition-card .badge {
  transition: transform 0.3s ease;
}
.competition-card:hover .badge {
  transform: translateY(-2px);
}

/* 7. 메타 아이콘 색상 강조 */
.competition-card .competition-card__meta .material-symbols-outlined {
  transition: color 0.3s ease, transform 0.3s ease;
}
.competition-card:hover .competition-card__meta .material-symbols-outlined {
  color: var(--knvf-red);
  transform: scale(1.1);
}

.competition-card[hidden] {
  display: none;
}

/* 모션 줄임 사용자에겐 단순화 */
@media (prefers-reduced-motion: reduce) {
  .competition-card,
  .competition-card::before,
  .competition-card::after,
  .competition-card__cta,
  .competition-card .card__title,
  .competition-card .badge,
  .competition-card .competition-card__meta .material-symbols-outlined {
    transition: none !important;
  }
  .competition-card:hover {
    transform: translateY(-2px);
  }
}

.competition-card__header {
  display: flex;
  gap: var(--space-sm);
  padding: var(--space-md);
}

.competition-card__header--upcoming {
  background: linear-gradient(135deg, rgba(0, 43, 91, 0.06) 0%, rgba(212, 227, 255, 0.4) 100%);
}

.competition-card__header--live {
  background: linear-gradient(135deg, rgba(208, 2, 27, 0.06) 0%, rgba(255, 224, 224, 0.4) 100%);
}

.competition-card__header--ended {
  background: var(--md-sys-color-surface-variant);
}

.competition-card .card__body {
  flex: 1;
}

.competition-card__meta {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  margin-top: var(--space-md);
}

.competition-card__meta p {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font: var(--md-sys-typescale-body-medium);
  color: var(--md-sys-color-on-surface-variant);
}

.competition-card__meta .material-symbols-outlined {
  font-size: 18px;
  color: var(--md-sys-color-primary);
  flex-shrink: 0;
}

/* ── Empty State ── */
.competition-empty {
  text-align: center;
  padding: var(--space-3xl) var(--space-xl);
  margin-bottom: var(--space-3xl);
}

.competition-empty[hidden] {
  display: none;
}

/* ── Calendar Section ── */
.competition-calendar {
  padding: var(--space-2xl) 0 var(--space-3xl);
}

/* ── Calendar Grid ── */
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.calendar-month {
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: var(--md-sys-shape-md);
  overflow: hidden;
  transition: box-shadow var(--md-sys-motion-duration-short) var(--md-sys-motion-easing-standard);
}

.calendar-month:hover {
  box-shadow: var(--md-sys-elevation-2);
}

.calendar-month__header {
  background: var(--knvf-navy);
  color: var(--knvf-white);
  font: var(--md-sys-typescale-label-large);
  text-align: center;
  padding: var(--space-sm) var(--space-md);
}

.calendar-month__body {
  padding: var(--space-md);
  min-height: 64px;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.calendar-month__body--empty {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ── Calendar Events ── */
.calendar-event {
  display: block;
  font: var(--md-sys-typescale-label-small);
  padding: 3px 8px;
  border-radius: var(--md-sys-shape-xs);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.calendar-event--club {
  background: #E3F2FD;
  color: #1565C0;
}

.calendar-event--university {
  background: #F3E5F5;
  color: #7B1FA2;
}

.calendar-event--international {
  background: #FFF3E0;
  color: #E65100;
}

/* ── Responsive ── */
@media (max-width: 1023px) {
  .competition-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .calendar-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 767px) {
  .competition-grid {
    grid-template-columns: 1fr;
  }

  .calendar-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .competition-tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .competition-tabs .tabs__item {
    white-space: nowrap;
  }
}

@media (max-width: 479px) {
  .calendar-grid {
    grid-template-columns: 1fr;
  }
}