:root {
  --bg: #05060a;
  --panel: rgba(10, 12, 18, 0.82);
  --panel-border: rgba(120, 60, 200, 0.28);
  --accent: #bf00ff;
  --accent2: #ff6a00;
  --text: #e9e6f2;
  --muted: #8b87a0;
  --good: #cfe6cf;
  --bad: #ff5c4a;
  --radius: 12px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  user-select: none;
  -webkit-user-select: none;
}

#app { position: fixed; inset: 0; }

#globe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  cursor: grab;
}
#globe:active { cursor: grabbing; }

/* ---- Top HUD ---- */
#hud-top {
  position: absolute;
  top: 0; left: 0; right: 0;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 14px 18px;
  pointer-events: none;
  gap: 12px;
}

#stats {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.stat {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 8px 14px;
  backdrop-filter: blur(6px);
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}
.stat-label {
  display: block;
  font-size: 9px;
  letter-spacing: 2px;
  color: var(--muted);
}
.stat-value {
  display: block;
  font-size: 20px;
  font-weight: 700;
  margin-top: 2px;
}
#devastation { color: var(--bad); text-shadow: 0 0 12px rgba(255,92,74,0.5); }
#killed { color: var(--accent); }

#dna-box {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 8px 14px;
  backdrop-filter: blur(6px);
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
  pointer-events: auto;
}
#dna-label {
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--muted);
}
#dna-value {
  font-size: 22px;
  font-weight: 800;
  color: #8affc1;
  text-shadow: 0 0 14px rgba(138,255,193,0.5);
  min-width: 34px;
}
#god-mode {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--muted);
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 10px;
  letter-spacing: 1.5px;
  cursor: pointer;
  transition: all .15s ease;
}
#god-mode.on {
  color: #000;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border-color: transparent;
  font-weight: 700;
  box-shadow: 0 0 18px rgba(191,0,255,0.6);
}
#evolve-btn {
  background: transparent;
  color: #ffb300;
  border: 1px solid rgba(255,179,0,0.5);
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 10px;
  letter-spacing: 1.5px;
  font-weight: 700;
  cursor: pointer;
  transition: all .15s ease;
}
#evolve-btn:hover {
  background: rgba(255,179,0,0.15);
  box-shadow: 0 0 14px rgba(255,179,0,0.4);
}
#support-btn {
  background: transparent;
  color: #8affc1;
  border: 1px solid rgba(138,255,193,0.5);
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 10px;
  letter-spacing: 1.5px;
  font-weight: 700;
  cursor: pointer;
  transition: all .15s ease;
}
#support-btn:hover {
  background: rgba(138,255,193,0.15);
  box-shadow: 0 0 14px rgba(138,255,193,0.4);
}

/* ---- Support overlay ---- */
#support-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.62);
  backdrop-filter: blur(3px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 45;
  padding: 16px;
}
#support-window {
  width: min(92vw, 420px);
  background: rgba(8,10,16,0.97);
  border: 1px solid var(--panel-border);
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.7);
  padding: 18px;
  text-align: center;
}
#support-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  padding-bottom: 12px;
}
#support-title { font-size: 14px; letter-spacing: 3px; font-weight: 800; color: #8affc1; }
#support-close {
  background: transparent;
  border: 1px solid var(--muted);
  color: var(--muted);
  border-radius: 8px;
  padding: 6px 14px;
  font-size: 11px;
  letter-spacing: 1.5px;
  cursor: pointer;
}
#support-close:hover { color: var(--text); border-color: var(--text); }
#support-desc { font-size: 12px; color: var(--muted); line-height: 1.5; margin: 14px 0; }
#support-options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 14px;
}
.support-opt {
  flex: 1 1 90px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--text);
  border-radius: 10px;
  padding: 12px 8px;
  cursor: pointer;
  transition: all .15s ease;
}
.support-opt b { display: block; font-size: 20px; color: #8affc1; }
.support-opt span { font-size: 9px; letter-spacing: 1px; color: var(--muted); }
.support-opt:hover { border-color: #8affc1; box-shadow: 0 0 12px rgba(138,255,193,0.25); }
.support-opt.selected { border-color: #8affc1; background: rgba(138,255,193,0.12); }
#support-custom { display: flex; gap: 8px; }
#support-custom input {
  flex: 1;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--text);
  border-radius: 8px;
  padding: 10px;
  font-size: 14px;
  min-width: 0;
}
#support-custom input:focus { outline: none; border-color: #8affc1; }
#support-send {
  background: linear-gradient(135deg, #8affc1, #3dd68c);
  border: none;
  color: #000;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 1px;
  border-radius: 8px;
  padding: 10px 14px;
  cursor: pointer;
}

#evolve-btn.bump { animation: bump .4s ease; }
@keyframes bump {
  0%,100% { transform: scale(1); }
  50% { transform: scale(1.25); }
}

/* ---- Region hint ---- */
#region-hint {
  position: absolute;
  left: 50%;
  top: 86px;
  transform: translateX(-50%);
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--good);
  opacity: 0;
  transition: opacity .15s ease;
  pointer-events: none;
  letter-spacing: 0.5px;
}

/* ---- Disaster panel ---- */
#disaster-panel {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: min(94vw, 900px);
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 14px;
  padding: 12px;
  backdrop-filter: blur(10px);
  box-shadow: 0 10px 40px rgba(0,0,0,0.6);
}
#panel-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--muted);
  padding: 0 4px 8px;
}
#panel-tier {
  color: var(--accent2);
  font-weight: 800;
}
#disaster-list {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: thin;
  scrollbar-color: var(--accent) transparent;
}
.disaster {
  flex: 0 0 118px;
  background: rgba(18, 20, 28, 0.9);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 10px;
  padding: 8px 8px 10px;
  text-align: center;
  cursor: pointer;
  transition: transform .12s ease, border-color .12s ease, box-shadow .12s ease;
  position: relative;
}
.disaster:hover { transform: translateY(-3px); }
.disaster .d-icon { font-size: 26px; line-height: 1; }
.disaster .d-name { font-size: 11px; font-weight: 700; margin-top: 6px; }
.disaster .d-cost {
  display: inline-block;
  margin-top: 6px;
  font-size: 11px;
  font-weight: 700;
  color: #8affc1;
  background: rgba(138,255,193,0.1);
  border: 1px solid rgba(138,255,193,0.3);
  border-radius: 20px;
  padding: 2px 9px;
}
.disaster .d-power {
  margin-top: 5px;
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: #ffb300;
}
.disaster.upgraded { border-color: rgba(255,179,0,0.4); box-shadow: inset 0 0 12px rgba(255,179,0,0.12); }
.disaster .d-cost.locked { color: var(--muted); border-color: rgba(255,255,255,0.12); background: transparent; }
.disaster.locked { opacity: 0.45; cursor: not-allowed; }
.disaster.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 0 20px rgba(191,0,255,0.4);
}
.disaster:hover .d-desc {
  opacity: 1;
  transform: translateY(0);
  pointer-events: none;
}
.d-desc {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateY(6px);
  width: 200px;
  background: rgba(8,10,16,0.97);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 11px;
  line-height: 1.4;
  color: var(--text);
  opacity: 0;
  transition: opacity .12s ease, transform .12s ease;
  pointer-events: none;
  z-index: 30;
  text-align: left;
  box-shadow: 0 6px 20px rgba(0,0,0,0.5);
}

#panel-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 8px 4px 0;
  font-size: 10px;
  letter-spacing: 1px;
  color: var(--muted);
}
#aim-note {
  font-style: italic;
  letter-spacing: 0.5px;
  color: #6f6a85;
}

/* ---- Intro / Win overlays ---- */
#intro, #win {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: radial-gradient(circle at 50% 40%, rgba(191,0,255,0.16), rgba(0,0,0,0.85) 70%);
  z-index: 50;
  gap: 16px;
  padding: 24px;
}
#win { background: radial-gradient(circle at 50% 40%, rgba(255,60,0,0.22), rgba(0,0,0,0.9) 70%); }
#intro h1, #win h1 {
  font-size: clamp(30px, 6vw, 56px);
  letter-spacing: 6px;
  font-weight: 900;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 0 40px rgba(191,0,255,0.3);
}
#win h1 { color: #ff5c4a; -webkit-text-fill-color: #ff5c4a; }
#intro p { color: var(--muted); max-width: 460px; font-size: 14px; line-height: 1.6; }
#win p { color: var(--text); font-size: 18px; font-weight: 700; }
#intro button, #win button {
  margin-top: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border: none;
  color: #fff;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 3px;
  padding: 14px 40px;
  border-radius: 40px;
  cursor: pointer;
  box-shadow: 0 8px 30px rgba(191,0,255,0.4);
  transition: transform .12s ease;
}
#intro button:hover, #win button:hover { transform: scale(1.06); }

.hidden { display: none !important; }

/* ---- Skill tree overlay ---- */
#skills-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.62);
  backdrop-filter: blur(3px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 45;
  padding: 16px;
}
#skills-window {
  width: min(94vw, 1000px);
  max-height: 90vh;
  background: rgba(8,10,16,0.97);
  border: 1px solid var(--panel-border);
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.7);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
#skills-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 18px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}
#skills-title { font-size: 15px; letter-spacing: 4px; font-weight: 800; color: #ffb300; }
#skills-close {
  background: transparent;
  border: 1px solid var(--muted);
  color: var(--muted);
  border-radius: 8px;
  padding: 6px 14px;
  font-size: 11px;
  letter-spacing: 1.5px;
  cursor: pointer;
}
#skills-close:hover { color: var(--text); border-color: var(--text); }
#skills-tabs {
  display: flex;
  gap: 8px;
  padding: 12px 18px 0;
}
.skill-tab {
  flex: 1;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  color: var(--muted);
  border-radius: 10px;
  padding: 10px;
  cursor: pointer;
  transition: all .15s ease;
  text-align: left;
}
.skill-tab .st-icon { font-size: 18px; }
.skill-tab .st-label { font-size: 11px; letter-spacing: 2px; font-weight: 800; display: block; margin-top: 3px; }
.skill-tab .st-nodes { font-size: 10px; color: var(--muted); }
.skill-tab.active {
  color: var(--text);
  border-color: var(--tab-color, var(--accent));
  background: rgba(255,255,255,0.08);
  box-shadow: 0 0 0 1px var(--tab-color, var(--accent));
}
#skills-dna {
  padding: 12px 18px;
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--muted);
}
#skills-dna span { color: #8affc1; font-size: 18px; font-weight: 800; }
#skills-body {
  display: flex;
  gap: 14px;
  padding: 0 18px 18px;
  min-height: 0;
  overflow: auto;
}
#skills-tree { position: relative; flex: 1; min-width: 0; overflow: auto; }
#skills-info { flex: 0 0 220px; }
#skills-info .info-card {
  position: sticky;
  top: 0;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  padding: 14px;
}
#skills-info .info-icon { font-size: 30px; }
#skills-info .info-name { font-size: 15px; font-weight: 800; margin-top: 6px; }
#skills-info .info-desc { font-size: 12px; color: var(--muted); line-height: 1.5; margin-top: 6px; }
#skills-info .info-cost { margin-top: 10px; }
#skills-info .info-req { font-size: 11px; color: var(--muted); margin-top: 8px; line-height: 1.4; }
#skills-info .info-btn {
  margin-top: 12px;
  width: 100%;
  border: none;
  border-radius: 8px;
  padding: 10px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 1px;
  cursor: pointer;
  background: rgba(255,255,255,0.1);
  color: var(--text);
  transition: transform .1s ease;
}
#skills-info .info-btn:not(:disabled):hover { transform: translateY(-1px); }
#skills-info .info-btn.ready {
  background: linear-gradient(135deg, #ffb300, #ff6a00);
  color: #000;
}
#skills-info .info-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.tree-node {
  position: absolute;
  width: 64px;
  height: 64px;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle at 35% 30%, rgba(255,255,255,0.16), rgba(22,24,34,0.95) 70%);
  border: 2px solid rgba(255,255,255,0.1);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform .1s ease, box-shadow .1s ease, opacity .1s ease;
  z-index: 2;
}
.tree-node:hover { transform: translate(-50%, -50%) scale(1.12); }
.tree-node .tn-icon { font-size: 24px; line-height: 1; }
.tree-node .tn-cost {
  position: absolute;
  bottom: -9px;
  font-size: 10px;
  font-weight: 800;
  color: #8affc1;
  background: rgba(10,12,18,0.95);
  border: 1px solid rgba(138,255,193,0.4);
  border-radius: 10px;
  padding: 1px 7px;
  line-height: 1.3;
}
.tree-node.ready {
  border-width: 2px;
  animation: nodePulse 1.4s ease-in-out infinite;
}
@keyframes nodePulse {
  0%,100% { box-shadow: 0 0 6px rgba(255,179,0,0.4); }
  50% { box-shadow: 0 0 18px rgba(255,179,0,0.85); }
}
.tree-node.ready:hover { box-shadow: 0 0 22px rgba(255,179,0,0.9); }
.tree-node.owned {
  background: radial-gradient(circle at 35% 30%, rgba(120,255,150,0.4), rgba(30,70,36,0.9) 70%);
  box-shadow: 0 0 14px rgba(76,175,80,0.5);
}
.tree-node.owned .tn-cost { color: #4caf50; border-color: rgba(76,175,80,0.6); background: rgba(12,20,14,0.95); }
.tree-node.blocked { opacity: 0.4; cursor: not-allowed; }
.tree-node.blocked:hover { transform: translate(-50%, -50%); }

.tree-core {
  position: absolute;
  width: 96px;
  height: 96px;
  transform: translate(-50%, -50%);
  border: 2px solid rgba(255,255,255,0.25);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  box-shadow: 0 0 30px rgba(0,0,0,0.6), inset 0 0 20px rgba(0,0,0,0.5);
  z-index: 1;
  pointer-events: none;
}
.tree-core .tc-icon { font-size: 34px; line-height: 1; }
.tree-core .tc-label { font-size: 9px; letter-spacing: 1px; font-weight: 800; margin-top: 3px; color: #fff; }

#skills-tree svg.connectors { position: absolute; top: 0; left: 0; width: 100%; height: 100%; pointer-events: none; z-index: 0; }
#skills-tree svg.connectors path { stroke: rgba(255,255,255,0.18); stroke-width: 2; fill: none; }
#skills-tree svg.connectors path.conn-owned { stroke: #4caf50; }

@media (max-width: 700px) {
  #skills-body { flex-direction: column-reverse; }
  #skills-info { flex-basis: auto; }
  #skills-info .info-card { position: static; }
}

/* ---- Toast ---- */
#toast {
  position: absolute;
  left: 50%;
  bottom: 210px;
  transform: translateX(-50%);
  background: rgba(20,22,30,0.95);
  border: 1px solid var(--panel-border);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  padding: 10px 18px;
  font-size: 13px;
  color: var(--text);
  opacity: 0;
  transition: opacity .2s ease, transform .2s ease;
  pointer-events: none;
  z-index: 40;
  max-width: 80vw;
  text-align: center;
}
#toast.show { opacity: 1; }

/* ---- Responsive ---- */
@media (max-width: 560px) {
  #hud-top { flex-direction: column; }
  #dna-box { order: -1; align-self: flex-end; }
  .stat-value { font-size: 16px; }
  #disaster-panel { bottom: 8px; width: 96vw; }
  .disaster { flex-basis: 100px; }
}