:root {
  --ink: #111111;
  --navy: #001f5b;
  --powder: #b0e0e6;
  --paper: #f5f7fa;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  background: radial-gradient(circle at 20% 10%, #ffffff 0%, #e6edf5 55%, #dce7f0 100%);
  color: var(--ink);
}

.page {
  width: min(1367px, 100vw);
  margin: 0 auto;
  padding: 10px 10px 18px;
  display: grid;
  gap: 10px;
}

.year {
  margin: 0;
  text-align: center;
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 800;
  letter-spacing: 0.03em;
  color: #000000;
  text-shadow: 0 1px 0 #ffffff;
}

.map-shell {
  position: relative;
  width: 100%;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 14px 30px rgba(20, 35, 55, 0.2);
  border: 1px solid rgba(20, 35, 55, 0.14);
}

.map-image {
  display: block;
  width: 100%;
  height: auto;
  user-select: none;
  pointer-events: none;
}

.marker {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  transition: left 950ms ease-in-out, top 950ms ease-in-out, opacity 300ms ease;
  opacity: 0;
  will-change: left, top;
  pointer-events: none;
  z-index: 3;
}

.marker span {
  display: inline-block;
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 800;
  line-height: 1;
  text-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
  animation: hover 1400ms ease-in-out infinite alternate;
}

.marker-b span {
  color: var(--navy);
  background: rgba(176, 224, 230, 0.52);
  border-radius: 999px;
  padding: 4px 9px 5px;
  text-shadow: 0 2px 4px rgba(8, 33, 53, 0.35);
}

.marker-v span {
  color: var(--powder);
  background: rgba(0, 31, 91, 0.42);
  border-radius: 999px;
  padding: 4px 9px 5px;
  text-shadow: 0 2px 4px rgba(8, 33, 53, 0.45);
}

.away-note {
  position: absolute;
  left: 2.2%;
  top: 58%;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 10px;
  font-size: clamp(0.9rem, 1.6vw, 1.15rem);
  font-weight: 800;
  color: #0d2f52;
  background: rgba(255, 255, 255, 0.92);
  border: 2px solid rgba(13, 47, 82, 0.34);
  border-radius: 10px;
  box-shadow: 0 5px 14px rgba(7, 22, 40, 0.2);
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity 260ms ease, transform 260ms ease;
  pointer-events: none;
  z-index: 4;
}

.away-arrow {
  color: #1a4c78;
  font-size: 1.35em;
  line-height: 1;
}

.pair-heart {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) scale(0.82);
  font-size: clamp(3.3rem, 6.2vw, 5.6rem);
  line-height: 1;
  color: rgba(207, 30, 54, 0.86);
  text-shadow: 0 7px 14px rgba(120, 10, 25, 0.34);
  opacity: 0;
  transition: left 680ms ease, top 680ms ease, opacity 260ms ease, transform 260ms ease;
  pointer-events: none;
  z-index: 2;
}

.map-shell.final-heart-mode .marker span {
  background: transparent;
  padding: 0;
}

.replay {
  justify-self: center;
  border: 0;
  border-radius: 999px;
  background: #0f2e52;
  color: #ffffff;
  padding: 10px 18px;
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
}

.replay:hover {
  filter: brightness(1.08);
}

@keyframes hover {
  from {
    transform: translateY(0);
  }
  to {
    transform: translateY(-7px);
  }
}

@media (max-width: 700px) {
  .page {
    padding-inline: 4px;
  }

  .year {
    font-size: clamp(1.8rem, 9vw, 2.6rem);
  }

  .marker span {
    font-size: clamp(1.35rem, 5.6vw, 2rem);
  }

  .marker-b span,
  .marker-v span {
    padding: 2px 6px 3px;
  }

  .map-shell.final-heart-mode .marker span {
    font-size: clamp(1.1rem, 4.7vw, 1.55rem);
    animation: none;
  }

  .map-shell.final-heart-mode #marker-b {
    transform: translate(-72%, -50%);
  }

  .map-shell.final-heart-mode #marker-v {
    transform: translate(-28%, -50%);
  }
}

@media (max-width: 420px) {
  .map-shell.final-heart-mode .marker span {
    font-size: clamp(0.95rem, 4.2vw, 1.3rem);
  }

  .map-shell.final-heart-mode #marker-b {
    transform: translate(-78%, -50%);
  }

  .map-shell.final-heart-mode #marker-v {
    transform: translate(-22%, -50%);
  }
}