:root {
  --bg: #08090b;
  --bg-scene: #0c0e11;
  --panel: #0d0f12;
  --tile: #16191e;
  --tile-hi: #1c2026;
  --line: #43474e; /* connectors / tile borders */
  --line-dim: #2a2d33;
  --text: #d7dae0;
  --dim: #7c828b;
  --amber: #e6a23c;
  --amber-bright: #ffb648;
  --gold: #ffcf5c;
  --tile-size: 56px;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Rajdhani", "Segoe UI", system-ui, sans-serif;
  min-height: 100vh;
}
body {
  font-size: 15px;
}
a {
  color: var(--amber);
}
h1,
h2,
h3 {
  font-weight: 700;
}

/* ---------------- top HUD bar ---------------- */
.topbar {
  display: flex;
  align-items: stretch;
  gap: 16px;
  padding: 0 18px;
  height: 58px;
  background: linear-gradient(180deg, #14171b, #0b0d10);
  border-bottom: 1px solid var(--line-dim);
  position: sticky;
  top: 0;
  z-index: 40;
}
.hud-left {
  display: flex;
  align-items: center;
  gap: 12px;
}
.points-box {
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--amber);
  border-radius: 4px;
  padding: 6px 14px;
  color: var(--amber);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 600;
  font-size: 12px;
  white-space: nowrap;
  box-shadow: 0 0 14px rgba(230, 162, 60, 0.12);
}
.points-box b {
  font-size: 22px;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}
.points-box.over b {
  color: #ef6b62;
}
.caps {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--dim);
}
.caps input {
  width: 44px;
  background: #0a0c0e;
  border: 1px solid var(--line-dim);
  color: var(--text);
  border-radius: 3px;
  padding: 4px 4px;
  text-align: center;
  font-family: inherit;
  font-size: 13px;
}
.caps input:focus {
  outline: none;
  border-color: var(--amber);
}
.caps .cap-talent {
  border-left: 2px solid var(--amber);
}
.caps .cap-solo {
  border-left: 2px solid #6db3ff;
}

/* category tabs (center) */
.tabs {
  display: flex;
  align-items: stretch;
  gap: 2px;
  margin: 0 auto;
}
.tabs.hidden {
  display: none;
}
.tab {
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  color: var(--dim);
  padding: 0 22px;
  cursor: pointer;
  font-family: inherit;
  font-size: 15px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  display: flex;
  align-items: center;
  gap: 9px;
}
.tab:hover {
  color: var(--text);
}
.tab.active {
  color: #fff;
  border-bottom-color: var(--amber);
  background: linear-gradient(180deg, rgba(230, 162, 60, 0.14), transparent);
}
.tab-icon {
  width: 22px;
  height: 22px;
  object-fit: contain;
  filter: grayscale(0.6) opacity(0.7);
}
.tab.active .tab-icon {
  filter: none;
}
.tab .pip {
  font-size: 12px;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
  background: rgba(230, 162, 60, 0.14);
  border-radius: 20px;
  padding: 1px 8px;
  font-weight: 600;
}
.tab .pip:empty,
.tab .pip[data-n="0"] {
  display: none;
}

/* Talents / Solo toggle (right) */
.mode-toggle {
  display: flex;
  align-items: center;
  align-self: center;
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
}
.mode {
  background: transparent;
  color: var(--dim);
  border: none;
  padding: 9px 22px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  cursor: pointer;
}
.mode:hover {
  color: var(--text);
}
.mode.active {
  background: var(--amber);
  color: #1a1205;
}

/* ---------------- secondary toolbar ---------------- */
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 18px;
  background: #0a0c0e;
  border-bottom: 1px solid var(--line-dim);
  flex-wrap: wrap;
}
.tool-left {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--dim);
}
.tool-left b {
  color: var(--amber);
}
.tool-left .note {
  color: #6f757e;
  text-transform: none;
  letter-spacing: 0;
}
.tool-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
#search {
  background: #0a0c0e;
  border: 1px solid var(--line-dim);
  color: var(--text);
  border-radius: 4px;
  padding: 7px 12px;
  width: 190px;
  font-family: inherit;
  font-size: 14px;
}
#search:focus {
  outline: none;
  border-color: var(--amber);
}
.toggle {
  font-size: 13px;
  color: var(--dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  user-select: none;
}
.btn {
  background: var(--amber);
  color: #1a1205;
  border: none;
  border-radius: 4px;
  padding: 8px 16px;
  font-family: inherit;
  font-weight: 700;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
}
.btn:hover {
  background: var(--amber-bright);
}
.btn-ghost {
  background: transparent;
  color: var(--dim);
  border: 1px solid var(--line);
}
.btn-ghost:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

/* ---------------- panels & trees ---------------- */
main {
  padding: 20px;
}
.panel {
  display: none;
}
.panel.active {
  display: block;
}
.trees {
  display: flex;
  gap: 4px;
  align-items: stretch;
  overflow-x: auto;
  justify-content: safe center;
}
.tree {
  position: relative;
  flex: 0 0 auto;
  padding: 8px 26px 40px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.015), transparent 40%),
    radial-gradient(120% 60% at 50% 0%, #14181d 0%, var(--bg-scene) 55%, #090b0d 100%);
  border-left: 1px solid var(--line-dim);
}
.tree:last-child {
  border-right: 1px solid var(--line-dim);
}
.tree-head {
  margin: 0 auto 22px;
  width: 230px;
  text-align: center;
  position: relative;
}
.tree-head h3 {
  margin: 0;
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: #c9cdd3;
  padding: 6px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent);
}
.tree-head .tree-count {
  position: absolute;
  right: -20px;
  top: 8px;
  font-size: 11px;
  color: var(--dim);
  font-variant-numeric: tabular-nums;
}
.canvas {
  position: relative;
  margin: 0 auto;
}
.canvas svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: visible;
}
.edge {
  fill: none;
  stroke: var(--line);
  stroke-width: 2;
  transition: stroke 0.2s;
}
.edge.active {
  stroke: var(--amber);
  stroke-width: 2.5;
  filter: drop-shadow(0 0 3px rgba(230, 162, 60, 0.5));
}

/* ---------------- talent tiles ---------------- */
.node {
  position: absolute;
  width: var(--tile-size);
  height: var(--tile-size);
  border-radius: 5px;
  border: 1px solid var(--line);
  background: var(--tile);
  padding: 0;
  cursor: pointer;
  transition:
    transform 0.08s,
    box-shadow 0.18s,
    border-color 0.18s;
}
.node:hover {
  transform: scale(1.09);
  z-index: 6;
  border-color: #7d828b;
}
.node-icon {
  position: absolute;
  inset: 3px;
  width: calc(100% - 6px);
  height: calc(100% - 6px);
  object-fit: cover;
  border-radius: 3px;
  pointer-events: none;
  transition:
    filter 0.18s,
    opacity 0.18s;
}
.node.no-icon::before {
  content: "◆";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: 20px;
  color: var(--dim);
  opacity: 0.5;
}

/* rank counter — top-left boxed, like the game */
.node .badge {
  position: absolute;
  top: -1px;
  left: -1px;
  min-width: 20px;
  height: 17px;
  padding: 0 4px;
  font-size: 11px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  line-height: 17px;
  text-align: center;
  color: #c9cdd3;
  background: #0a0c0e;
  border: 1px solid var(--line);
  border-radius: 5px 0 5px 0;
  pointer-events: none;
  z-index: 2;
}

/* tier chevrons — top-right, like the game (Apprentice/Journeyman/Master) */
.node .tier {
  position: absolute;
  top: 1px;
  right: 1px;
  display: flex;
  flex-direction: column;
  gap: 0;
  pointer-events: none;
  z-index: 2;
  color: var(--dim);
  opacity: 0.85;
}
.node .tier svg {
  display: block;
  width: 11px;
  height: 6px;
}

/* states */
.node.locked {
  cursor: not-allowed;
  border-color: var(--line-dim);
}
.node.locked .node-icon {
  filter: grayscale(1) brightness(0.42);
}
.node.available .node-icon {
  filter: grayscale(0.55) brightness(0.7);
}
.node.available:hover .node-icon {
  filter: grayscale(0.2) brightness(0.95);
}
.node.partial {
  border-color: var(--amber);
  box-shadow:
    0 0 0 1px var(--amber),
    0 0 12px rgba(230, 162, 60, 0.35);
}
.node.partial .node-icon,
.node.maxed .node-icon {
  filter: none;
}
.node.partial .badge {
  color: var(--gold);
  border-color: var(--amber);
}
.node.partial .tier,
.node.maxed .tier {
  color: var(--gold);
  opacity: 1;
}
.node.maxed {
  border-color: var(--gold);
  box-shadow:
    0 0 0 1px var(--gold),
    0 0 16px rgba(255, 207, 92, 0.5);
}
.node.maxed .badge {
  background: var(--gold);
  color: #241a04;
  border-color: var(--gold);
  font-weight: 800;
}

.node.dim {
  opacity: 0.14;
}
.node.hit {
  box-shadow: 0 0 0 2px var(--amber-bright);
  z-index: 5;
}

/* ---------------- tooltip ---------------- */
.tooltip {
  position: fixed;
  z-index: 100;
  max-width: 330px;
  background: #14171b;
  border: 1px solid var(--line);
  border-top: 2px solid var(--amber);
  border-radius: 6px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6);
  padding: 12px 14px;
  pointer-events: none;
  opacity: 0;
  transform: translateY(4px);
  transition:
    opacity 0.1s,
    transform 0.1s;
}
.tooltip.show {
  opacity: 1;
  transform: translateY(0);
}
.tooltip h4 {
  margin: 0 0 2px;
  font-size: 17px;
  letter-spacing: 0.5px;
}
.tt-meta {
  font-size: 11px;
  color: var(--amber);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}
.tt-desc {
  font-size: 14px;
  color: var(--text);
  margin: 0 0 8px;
}
.tt-levels {
  list-style: none;
  margin: 0 0 6px;
  padding: 0;
  font-size: 13px;
}
.tt-levels li {
  padding: 3px 8px;
  border-radius: 3px;
  color: var(--dim);
  display: flex;
  gap: 8px;
}
.tt-levels li .rk {
  color: var(--dim);
  min-width: 38px;
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.5px;
}
.tt-levels li.cur {
  background: rgba(230, 162, 60, 0.16);
  color: var(--gold);
}
.tt-levels li.cur .rk {
  color: var(--amber);
}
.tt-req {
  font-size: 12px;
  color: var(--dim);
  border-top: 1px solid var(--line-dim);
  padding-top: 6px;
  margin-top: 2px;
}
.tt-req.blocked {
  color: #ef8078;
}
.tt-hint {
  font-size: 11px;
  color: var(--dim);
  margin-top: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ---------------- footer ---------------- */
.footer {
  padding: 16px 20px 26px;
  text-align: center;
  color: var(--dim);
  font-size: 12px;
  border-top: 1px solid var(--line-dim);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.footer .hint {
  color: #9a9fa7;
}

.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--amber);
  color: #1a1205;
  padding: 10px 22px;
  border-radius: 4px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  opacity: 0;
  transition:
    opacity 0.2s,
    transform 0.2s;
  z-index: 200;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}