:root {
  --bg-main: #020403;
  --bg-panel: rgba(0, 0, 0, 0.76);
  --line-strong: rgba(106, 255, 166, 0.62);
  --line-soft: rgba(106, 255, 166, 0.24);
  --text-main: #d8ffe8;
  --text-soft: #93bcaa;
  --terminal-green: #5cff9d;
  --terminal-green-hot: #9bffbf;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "JetBrains Mono", monospace;
  color: var(--text-main);
  background: linear-gradient(180deg, #020403 0%, #010201 100%);
  overflow-x: hidden;
}

#matrix-bg {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: 0.32;
}

.layout {
  position: relative;
  z-index: 1;
  max-width: 1220px;
  margin: 0 auto;
  padding: 1.2rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 350px;
  gap: 0.8rem;
}

.profile-card,
.game-card {
  background: var(--bg-panel);
  border: 1px solid var(--line-soft);
  border-radius: 0;
  box-shadow: inset 0 0 0 1px rgba(13, 39, 26, 0.8), 0 20px 40px rgba(0, 0, 0, 0.4);
}

.profile-card {
  padding: 1rem;
}

.eyebrow {
  margin: 0;
  color: var(--terminal-green);
  font-size: 0.8rem;
  letter-spacing: 0.02em;
}

h1 {
  margin: 0.6rem 0 0.55rem;
  font-size: clamp(1.75rem, 4vw, 2.7rem);
  color: var(--terminal-green-hot);
  text-shadow: 0 0 10px rgba(100, 255, 160, 0.22);
}

.intro {
  margin: 0 0 1rem;
  color: var(--text-soft);
  line-height: 1.55;
  max-width: 72ch;
}

.stack-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0 0 1rem;
}

.stack-list span {
  display: inline-block;
  padding: 0.28rem 0.52rem;
  border: 1px solid var(--line-soft);
  background: rgba(6, 17, 11, 0.65);
  color: #baffd6;
  font-size: 0.74rem;
}

.profile-details {
  display: grid;
  gap: 0.55rem;
}

.detail-card {
  border: 1px solid var(--line-soft);
  background: rgba(2, 8, 5, 0.72);
  padding: 0.7rem 0.8rem;
}

.detail-card h3 {
  margin: 0 0 0.45rem;
  font-size: 0.8rem;
  color: var(--terminal-green);
}

.detail-card p,
.detail-card li {
  margin: 0;
  color: var(--text-main);
  font-size: 0.92rem;
  line-height: 1.45;
}

.detail-card ul {
  margin: 0;
  padding-left: 1.1rem;
}

.detail-card li + li {
  margin-top: 0.22rem;
}

.contact-links {
  margin-top: 0.8rem;
  display: flex;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.contact-links a {
  text-decoration: none;
  border: 1px solid var(--line-soft);
  color: var(--text-main);
  background: rgba(4, 13, 9, 0.78);
  padding: 0.35rem 0.62rem;
  font-size: 0.75rem;
  text-transform: lowercase;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.contact-links a:hover {
  border-color: var(--line-strong);
  box-shadow: 0 0 18px rgba(106, 255, 166, 0.2);
}

#mini-game {
  padding: 0.9rem;
  align-self: start;
}

.game-card h2 {
  margin: 0 0 0.75rem;
  font-size: 0.95rem;
  color: var(--terminal-green);
}

.game-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.62rem;
  color: var(--text-soft);
  font-size: 0.95rem;
}

.game-area {
  position: relative;
  width: 100%;
  height: 200px;
  margin-bottom: 0.72rem;
  border: 1px solid var(--line-soft);
  background:
    linear-gradient(transparent 95%, rgba(106, 255, 166, 0.1) 96%),
    linear-gradient(90deg, transparent 95%, rgba(106, 255, 166, 0.1) 96%),
    #020604;
  background-size: 20px 20px, 20px 20px, auto;
  overflow: hidden;
}

.target {
  position: absolute;
  width: 30px;
  height: 30px;
  display: none;
  border-radius: 4px;
  cursor: pointer;
  background: radial-gradient(circle at 30% 30%, #d2ffe4, #63f9a4 55%, #19c767 100%);
  box-shadow: 0 0 20px rgba(99, 249, 164, 0.6);
}

#startBtn {
  width: 100%;
  border: 1px solid var(--line-strong);
  padding: 0.58rem 0.6rem;
  background: linear-gradient(180deg, #0e2c1f, #0a1b14);
  color: var(--text-main);
  font-family: inherit;
  font-weight: 700;
  cursor: pointer;
  text-transform: lowercase;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

#startBtn:hover {
  box-shadow: 0 0 18px rgba(106, 255, 166, 0.25);
  transform: translateY(-1px);
}

#startBtn:active {
  transform: translateY(0);
}

.game-status {
  min-height: 1.2rem;
  margin: 0.62rem 0 0;
  color: var(--text-soft);
  font-size: 0.74rem;
}

.leaderboard,
.geo-box {
  margin-top: 0.55rem;
  border: 1px solid var(--line-soft);
  padding: 0.55rem;
  background: rgba(1, 6, 4, 0.8);
}

.leaderboard h3,
.geo-box h3 {
  margin: 0 0 0.4rem;
  font-size: 0.77rem;
  color: var(--terminal-green);
}

.leaderboard table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.72rem;
}

.leaderboard th,
.leaderboard td {
  padding: 0.32rem 0.2rem;
  border-bottom: 1px solid rgba(106, 255, 166, 0.2);
  text-align: left;
}

.leaderboard th {
  color: #b8ffd7;
  font-weight: 700;
}

.leaderboard td {
  color: var(--text-main);
}

.leaderboard tr:last-child td {
  border-bottom: none;
}

.geo-map {
  height: 190px;
  width: 100%;
  border: 1px solid rgba(106, 255, 166, 0.24);
  overflow: hidden;
  background: #010302;
  display: block;
}

.geo-status {
  margin: 0.42rem 0 0;
  font-size: 0.72rem;
  color: var(--text-soft);
  line-height: 1.42;
  white-space: pre-line;
}

.geo-map .leaflet-control-attribution {
  font-size: 9px;
  background: rgba(1, 6, 4, 0.84);
  color: #87b8a0;
}

.geo-map .leaflet-control-attribution a {
  color: #b1ffd3;
}

.geo-pulse {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #ff3b3b;
  box-shadow: 0 0 0 rgba(255, 59, 59, 0.8);
  animation: geoPulse 1.6s infinite;
}

@keyframes geoPulse {
  0% {
    box-shadow: 0 0 0 0 rgba(255, 59, 59, 0.8);
  }
  70% {
    box-shadow: 0 0 0 13px rgba(255, 59, 59, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(255, 59, 59, 0);
  }
}

@media (max-width: 920px) {
  .layout {
    grid-template-columns: 1fr;
    padding: 0.8rem;
  }

  .detail-card p,
  .detail-card li {
    font-size: 0.88rem;
  }
}