/* =====================================================
   D-Day Countdown Banner — Hearts2Hearts Calendar
   ===================================================== */

/* ── Outer wrapper ── */
#dday-banner {
  max-width: 900px;
  margin: 0 auto;
  padding: 12px 16px 0;
}

/* ── Slider container ── */
.dday-slider {
  position: relative;
  overflow: hidden;
  border-radius: 14px;
  min-height: 80px;
}

/* ── Individual card (hidden by default) ── */
.dday-card {
  display: flex;
  align-items: stretch;
  background: var(--surface-card);
  border: 1.5px solid var(--border-sky);
  border-radius: 14px;
  box-shadow: 0 2px 12px rgba(14, 165, 233, 0.10);
  overflow: hidden;
  cursor: pointer;
  user-select: none;

  position: absolute;
  top: 0; left: 0; right: 0;
  opacity: 0;
  transform: translateX(60px);
  pointer-events: none;
  transition: transform .32s cubic-bezier(.4, 0, .2, 1),
              opacity   .32s cubic-bezier(.4, 0, .2, 1);
}

/* Active card: in flow, visible */
.dday-card--active {
  position: relative;
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
}

/* Today variant */
.dday-card--today {
  background: linear-gradient(135deg, var(--pink-50) 0%, var(--sky-100) 100%);
  border-color: var(--border-pink);
  box-shadow: 0 2px 12px rgba(236, 72, 153, 0.12);
}

/* ── Birthday TODAY variant ── */
.dday-card--birthday-today {
  background: linear-gradient(135deg, #fff9c4 0%, #fce4ec 50%, #e8eaf6 100%);
  border-color: #fde047;
  box-shadow: 0 4px 24px rgba(234, 179, 8, 0.25),
              0 0 0 4px rgba(253, 224, 71, 0.15);
  animation: dday-glow-gold 2s ease-in-out infinite alternate;
}

@keyframes dday-glow-gold {
  from { box-shadow: 0 4px 24px rgba(234, 179, 8, 0.25), 0 0 0 4px rgba(253, 224, 71, 0.15); }
  to   { box-shadow: 0 6px 32px rgba(234, 179, 8, 0.45), 0 0 0 6px rgba(253, 224, 71, 0.30); }
}

.dday-card--birthday-today .dday-cnt {
  background: linear-gradient(135deg, #eab308, #facc15, #fde68a);
  color: #78350f;
  position: relative;
  overflow: hidden;
}

.dday-card--birthday-today .dday-cnt::after {
  content: '✦ ✦ ✦';
  font-size: 8px;
  color: rgba(120, 53, 15, 0.4);
  position: absolute;
  bottom: 4px;
  left: 0; right: 0;
  text-align: center;
  letter-spacing: 3px;
}

.dday-card--birthday-today .dday-cnt-num {
  text-shadow: 0 1px 4px rgba(255, 255, 255, 0.5);
}

.dday-card--birthday-today .dday-cat {
  color: #92400e;
}

/* 星のきらめきアニメーション */
.dday-birthday-stars {
  display: flex;
  gap: 3px;
  margin-top: 2px;
}

.dday-birthday-stars span {
  font-size: 12px;
  display: inline-block;
  animation: dday-star-twinkle 1.4s ease-in-out infinite alternate;
}
.dday-birthday-stars span:nth-child(2) { animation-delay: 0.2s; }
.dday-birthday-stars span:nth-child(3) { animation-delay: 0.4s; }
.dday-birthday-stars span:nth-child(4) { animation-delay: 0.6s; }

@keyframes dday-star-twinkle {
  from { opacity: 0.35; transform: scale(0.8); }
  to   { opacity: 1;    transform: scale(1.2); }
}

/* キラキラ浮遊（右上装飾） */
.dday-birthday-sparkle {
  position: absolute;
  top: 6px;
  right: 48px;
  font-size: 14px;
  pointer-events: none;
  animation: dday-sparkle-float 1.8s ease-in-out infinite alternate;
}

@keyframes dday-sparkle-float {
  from { transform: translateY(0)    rotate(-5deg); }
  to   { transform: translateY(-4px) rotate(5deg);  }
}

.dday-card--birthday-today .dday-next-btn {
  background: #fef9c3;
  border-color: #fde047;
  color: #92400e;
}

.dday-card--birthday-today .dday-detail-link {
  background: #fef9c3;
  border-color: #fde047;
  color: #92400e;
}

.dday-card--birthday-today .dday-dot--on {
  background: #eab308;
}

/* ── Left: countdown number block ── */
.dday-cnt {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--sky-500), var(--sky-300));
  padding: 14px 16px;
  min-width: 76px;
  color: #fff;
  flex-shrink: 0;
}

.dday-card--today .dday-cnt {
  background: linear-gradient(135deg, #ec4899, var(--pink-300));
}

.dday-cnt-num {
  font-size: 34px;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.03em;
}

.dday-cnt-unit {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  opacity: 0.9;
  margin-top: 3px;
  text-transform: uppercase;
}

/* ── Center: event info ── */
.dday-info {
  flex: 1;
  min-width: 0;
  padding: 10px 8px 10px 14px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 2px;
}

.dday-cat {
  font-size: 10px;
  font-weight: 700;
  color: var(--sky-500);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.dday-card--today .dday-cat {
  color: #ec4899;
}

.dday-title {
  font-size: 14px;
  font-weight: 900;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.dday-date {
  font-size: 11px;
  color: var(--text-sub);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ── Dot indicators ── */
.dday-dots {
  display: flex;
  gap: 5px;
  margin-top: 4px;
}

.dday-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--sky-200);
  transition: background .2s, transform .2s;
  flex-shrink: 0;
}

.dday-dot--on {
  background: var(--sky-500);
  transform: scale(1.3);
}

.dday-card--today .dday-dot--on {
  background: #ec4899;
}

/* ── Right: nav area ── */
.dday-nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 10px 12px;
  flex-shrink: 0;
}

/* ❯ button */
.dday-next-btn {
  background: var(--sky-100);
  border: 1.5px solid var(--sky-200);
  border-radius: 50%;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  color: var(--sky-600);
  cursor: pointer;
  transition: background .15s, transform .1s;
  flex-shrink: 0;
  line-height: 1;
}

.dday-next-btn:hover  { background: var(--sky-200); }
.dday-next-btn:active { transform: scale(.9); }

.dday-card--today .dday-next-btn {
  background: var(--pink-100);
  border-color: var(--pink-200);
  color: #ec4899;
}

/* Detail link (shown instead of ❯ when event has URL) */
.dday-detail-link {
  font-size: 11px;
  font-weight: 700;
  color: var(--sky-600);
  text-decoration: none;
  background: var(--sky-100);
  border: 1.5px solid var(--sky-200);
  border-radius: 999px;
  padding: 4px 8px;
  white-space: nowrap;
  transition: background .15s;
}

.dday-detail-link:hover { background: var(--sky-200); }

.dday-card--today .dday-detail-link {
  background: var(--pink-100);
  border-color: var(--pink-200);
  color: #ec4899;
}

/* ── Responsive ── */
@media (max-width: 600px) {
  #dday-banner {
    padding: 10px 10px 0;
  }

  .dday-cnt {
    min-width: 64px;
    padding: 12px 10px;
  }

  .dday-cnt-num {
    font-size: 28px;
  }

  .dday-info {
    padding: 8px 6px 8px 10px;
  }

  .dday-title {
    font-size: 13px;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .dday-card {
    transition: none;
  }
  .dday-dot {
    transition: none;
  }
  .dday-card--birthday-today {
    animation: none;
    box-shadow: 0 4px 16px rgba(234, 179, 8, 0.3);
  }
  .dday-birthday-stars span,
  .dday-birthday-sparkle {
    animation: none;
  }
}