:root {
  color-scheme: light;
  --ink: #0f1c2e;
  --ink-soft: #2b3952;
  --paper: #f8f1e6;
  --panel: #fff6ec;
  --accent: #f06b4f;
  --accent-2: #2db6a3;
  --accent-3: #f3b64d;
  --shadow: 0 18px 45px rgba(12, 18, 34, 0.2);
  --glow: 0 0 0 2px rgba(255, 255, 255, 0.7), 0 12px 28px rgba(35, 60, 95, 0.18);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Space Mono", "Courier New", monospace;
  background: radial-gradient(circle at top, #f8f3e9 0%, #f3e3cb 40%, #e1c9a5 100%);
  color: var(--ink);
  min-height: 100vh;
}

.backdrop {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.7), transparent 45%),
    radial-gradient(circle at 80% 10%, rgba(255, 255, 255, 0.6), transparent 35%),
    radial-gradient(circle at 80% 80%, rgba(255, 220, 180, 0.45), transparent 40%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.2), transparent 60%);
  pointer-events: none;
  z-index: -1;
}

.shell {
  max-width: 1300px;
  margin: 0 auto;
  padding: 28px 24px 36px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.hud {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
  padding: 16px 20px;
  background: var(--panel);
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.brand {
  min-width: 200px;
}

.brand h1 {
  font-family: "Bungee", "Impact", sans-serif;
  font-size: 28px;
  margin: 2px 0 0;
  letter-spacing: 1px;
}

.eyebrow {
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--ink-soft);
}

.stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  flex: 1;
}

.stat {
  background: #fffdf8;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid rgba(15, 28, 46, 0.08);
  min-width: 110px;
  box-shadow: var(--glow);
}

.stat.highlight {
  background: #fff1df;
  border: 2px solid rgba(240, 107, 79, 0.35);
  min-width: 130px;
}

.stat .label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--ink-soft);
}

.stat .value {
  display: block;
  font-size: 18px;
  font-weight: 700;
  margin-top: 4px;
}

.stat.highlight .value {
  font-size: 22px;
}

.hud-actions {
  display: flex;
  gap: 10px;
}

button {
  border: none;
  border-radius: 12px;
  padding: 10px 16px;
  font-family: "Space Mono", monospace;
  font-size: 14px;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

button.primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 10px 20px rgba(240, 107, 79, 0.3);
}

button.secondary {
  background: var(--accent-2);
  color: #fff;
}

button.ghost {
  background: transparent;
  border: 1px solid rgba(15, 28, 46, 0.2);
  color: var(--ink);
}

button:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 10px 20px rgba(15, 28, 46, 0.12);
}

.arena {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 18px;
  align-items: start;
}

.panel {
  background: var(--panel);
  border-radius: 18px;
  padding: 16px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.panel h2,
.panel h3 {
  margin: 0;
  font-family: "Bungee", "Impact", sans-serif;
  letter-spacing: 0.5px;
}

.panel h2 {
  font-size: 18px;
}

.panel h3 {
  font-size: 14px;
}

.panel ul {
  margin: 8px 0 0;
  padding-left: 18px;
  color: var(--ink-soft);
  line-height: 1.6;
}

.muted {
  margin: 0;
  color: var(--ink-soft);
  font-size: 12px;
}

.tower-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.tower-btn {
  background: #fff;
  border: 1px solid rgba(15, 28, 46, 0.12);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 700;
}

.tower-btn.active {
  background: var(--accent-3);
  color: #2b200a;
}

.panel-block {
  background: #fffdf8;
  padding: 12px;
  border-radius: 14px;
  border: 1px solid rgba(15, 28, 46, 0.08);
}

.selection {
  min-height: 72px;
  font-size: 13px;
  color: var(--ink-soft);
  white-space: pre-line;
}

.selection-actions {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}

.canvas-wrap {
  position: relative;
  background: #0e1b2c;
  border-radius: 20px;
  padding: 14px;
  box-shadow: var(--shadow);
  aspect-ratio: 4 / 3;
}

.canvas-wrap.shake {
  animation: screen-shake 0.35s ease-in-out;
}

@keyframes screen-shake {
  0% { transform: translate(0, 0); }
  20% { transform: translate(-6px, 4px); }
  40% { transform: translate(5px, -3px); }
  60% { transform: translate(-4px, -5px); }
  80% { transform: translate(4px, 3px); }
  100% { transform: translate(0, 0); }
}

#status {
  position: absolute;
  top: 16px;
  left: 16px;
  margin: 0;
  max-width: calc(100% - 32px);
  z-index: 2;
}

#game {
  width: 100%;
  height: 100%;
  border-radius: 12px;
  display: block;
  background: #0b1525;
}

.toast {
  position: absolute;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink);
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 12px;
  box-shadow: var(--glow);
}

.gameover {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(10, 8, 18, 0.65);
  border-radius: 16px;
  backdrop-filter: blur(3px);
}

.win {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(12, 20, 30, 0.45);
  border-radius: 16px;
  backdrop-filter: blur(2px);
}

.win-card {
  background: #fff7e6;
  color: #2a1f0f;
  border: 2px solid rgba(243, 182, 77, 0.8);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
  padding: 24px 28px;
  border-radius: 18px;
  text-align: center;
  min-width: 280px;
}

.win-title {
  font-family: "Bungee", "Impact", sans-serif;
  font-size: 26px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: #f3b64d;
}

.win-subtitle {
  margin-top: 8px;
  font-size: 13px;
  color: rgba(42, 31, 15, 0.7);
}

.gameover-card {
  background: #120c1e;
  color: #f6e7d2;
  border: 2px solid rgba(240, 107, 79, 0.7);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
  padding: 26px 32px;
  border-radius: 18px;
  text-align: center;
  min-width: 260px;
}

.gameover-title {
  font-family: "Bungee", "Impact", sans-serif;
  font-size: 30px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: #f06b4f;
  margin-bottom: 8px;
}

.gameover-subtitle {
  font-size: 14px;
  color: rgba(246, 231, 210, 0.8);
  margin-bottom: 10px;
}

.gameover-hint {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: rgba(246, 231, 210, 0.6);
}

.hidden {
  display: none;
}

.status {
  background: #fffdf8;
  border-radius: 12px;
  padding: 12px;
  font-size: 13px;
  color: var(--ink-soft);
  border: 1px solid rgba(15, 28, 46, 0.08);
}

@media (max-width: 1100px) {
  .arena {
    grid-template-columns: 220px 1fr;
  }

}

@media (max-width: 820px) {
  .arena {
    grid-template-columns: 1fr;
  }

  .hud {
    flex-direction: column;
    align-items: flex-start;
  }

  .hud-actions {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
  }
}