/* Orcfall Incremental TD — UI styling.
   Dark command-console theme. All gameplay rendered to #game canvas;
   DOM overlay handles HUD, build bar, panels, and screens. */

:root {
  --bg: #0a0c10;
  --panel: rgba(18, 22, 30, 0.92);
  --panel-solid: #12161e;
  --border: #2a3340;
  --border-hi: #3d4a5c;
  --text: #cdd6e0;
  --text-dim: #7c8794;
  --accent: #ffb347;
  --accent-2: #4fc3f7;
  --good: #6ee787;
  --bad: #ff6b6b;
  --gold: #ffd866;
  --salvage: #9fe6a0;
  --crystal: #74d0ff;
  --shadow: 0 4px 18px rgba(0,0,0,0.5);
  --mono: "Consolas", "SF Mono", "Menlo", monospace;
  --sans: "Segoe UI", "Roboto", system-ui, sans-serif;
}

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

html, body {
  width: 100%; height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 14px;
  user-select: none;
  -webkit-user-select: none;
}

#game {
  position: absolute; inset: 0;
  display: block;
  background: var(--bg);
  cursor: crosshair;
}

#ui {
  position: absolute; inset: 0;
  pointer-events: none; /* children opt back in */
  z-index: 10;
}
#ui > * { pointer-events: auto; }

/* ---------- generic panel ---------- */
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(3px);
}

/* ---------- top resource bar ---------- */
#topbar {
  position: absolute; top: 8px; left: 8px; right: 8px;
  display: flex; align-items: center; gap: 8px;
  padding: 7px 12px;
  flex-wrap: wrap;
}
.res {
  display: flex; align-items: center; gap: 5px;
  font-family: var(--mono); font-size: 13px;
  padding: 2px 8px; border-radius: 5px;
  background: rgba(0,0,0,0.25);
}
.res .ico { font-size: 14px; }
.res .val { font-weight: 700; }
.res.gold .val { color: var(--gold); }
.res.salvage .val { color: var(--salvage); }
.res.crystal .val { color: var(--crystal); }
.res.charge .val { color: var(--accent-2); }
.res .lbl { color: var(--text-dim); font-size: 11px; }
#topbar .spacer { flex: 1; }
#acct { color: var(--text-dim); font-family: var(--mono); font-size: 12px; }

/* ---------- base health ---------- */
#health-wrap {
  position: absolute; top: 58px; left: 50%; transform: translateX(-50%);
  width: 360px; max-width: 60vw;
  padding: 4px 8px 6px;
  text-align: center;
}
#health-bar-bg {
  height: 14px; border-radius: 7px;
  background: #3a1015; overflow: hidden; border: 1px solid #5c2026;
}
#health-bar { height: 100%; width: 100%;
  background: linear-gradient(90deg, #ff6b6b, #ff9a5b);
  transition: width 0.12s linear; }
#health-text { font-family: var(--mono); font-size: 12px; margin-top: 2px; color: var(--text-dim); }

/* ---------- enemy counters ---------- */
#counters {
  position: absolute; top: 58px; right: 8px;
  display: flex; flex-direction: column; gap: 4px;
  padding: 8px 12px; min-width: 120px;
  font-family: var(--mono); font-size: 12px;
}
#counters .row { display: flex; justify-content: space-between; gap: 12px; }
#counters .row .k { color: var(--text-dim); }
#counters .row.killed .v { color: var(--good); }
#counters .row.alive .v { color: var(--accent); }
#counters .phase { margin-top: 4px; padding-top: 4px; border-top: 1px solid var(--border);
  text-transform: uppercase; letter-spacing: 1px; color: var(--accent-2); text-align: center; }

/* ---------- left controls help ---------- */
#help {
  position: absolute; left: 8px; top: 120px;
  padding: 8px 10px; max-width: 190px;
  font-size: 11px; line-height: 1.55; color: var(--text-dim);
}
#help b { color: var(--text); }
#help .title { color: var(--accent); font-weight: 700; margin-bottom: 4px; letter-spacing: .5px; }

/* ---------- bottom build bar ---------- */
#buildbar {
  position: absolute; bottom: 8px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 6px; padding: 8px;
  max-width: 96vw; flex-wrap: wrap; justify-content: center;
}
.tower-btn {
  width: 72px; min-height: 76px;
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  padding: 6px 4px; border-radius: 7px;
  background: var(--panel-solid); border: 1px solid var(--border);
  cursor: pointer; transition: transform .06s, border-color .1s;
  position: relative;
}
.tower-btn:hover { border-color: var(--border-hi); transform: translateY(-2px); }
.tower-btn.selected { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.tower-btn.locked { opacity: 0.45; cursor: not-allowed; }
.tower-btn.cantafford .cost { color: var(--bad); }
.tower-btn .glyph {
  width: 30px; height: 30px; border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; font-weight: 700; color: #0a0c10;
}
.tower-btn .name { font-size: 9.5px; text-align: center; line-height: 1.1; height: 22px; overflow: hidden; }
.tower-btn .cost { font-family: var(--mono); font-size: 11px; color: var(--gold); }
.tower-btn .key { position: absolute; top: 2px; left: 4px; font-size: 9px; color: var(--text-dim); }
.tower-btn .lock { position: absolute; top: 2px; right: 4px; font-size: 10px; }

/* ---------- ability bar ---------- */
#abilitybar {
  position: absolute; bottom: 8px; right: 8px;
  display: flex; gap: 6px; padding: 8px;
}
.ability-btn {
  width: 58px; height: 58px; border-radius: 7px;
  background: var(--panel-solid); border: 1px solid var(--border);
  cursor: pointer; position: relative; overflow: hidden;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px;
}
.ability-btn:hover { border-color: var(--border-hi); }
.ability-btn.armed { border-color: var(--accent-2); box-shadow: 0 0 0 1px var(--accent-2); }
.ability-btn.locked { opacity: 0.4; }
.ability-btn .ico { font-size: 20px; }
.ability-btn .nm { font-size: 8.5px; color: var(--text-dim); }
.ability-btn .key { position: absolute; top: 1px; left: 3px; font-size: 9px; color: var(--text-dim); }
.ability-btn .cd {
  position: absolute; inset: 0; background: rgba(0,0,0,0.62);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--mono); font-size: 16px; color: #fff;
}

/* ---------- action buttons (start battle / speed) ---------- */
#actions {
  position: absolute; bottom: 92px; right: 8px;
  display: flex; flex-direction: column; gap: 6px; align-items: flex-end;
}
.btn {
  font-family: var(--sans); font-size: 13px; font-weight: 600;
  padding: 8px 16px; border-radius: 7px; cursor: pointer;
  background: var(--panel-solid); border: 1px solid var(--border); color: var(--text);
  transition: background .1s, border-color .1s;
}
.btn:hover { border-color: var(--border-hi); }
.btn.primary { background: linear-gradient(180deg, #2e7d32, #1b5e20); border-color: #3aa53f; color: #eaffea; }
.btn.primary:hover { filter: brightness(1.12); }
.btn.warn { background: #5c2026; border-color: #7a2a31; color: #ffdada; }
.btn.small { padding: 5px 10px; font-size: 12px; }
.btn.tree { background: linear-gradient(180deg,#3949ab,#283593); border-color:#5566d6; color:#e8ecff; }
#speedbtns { display: flex; gap: 4px; }
.speed-btn { width: 38px; text-align: center; font-family: var(--mono); }
.speed-btn.active { border-color: var(--accent); color: var(--accent); }

/* ---------- selected tower panel ---------- */
#towerpanel {
  position: absolute; right: 8px; top: 160px; width: 210px;
  padding: 12px; display: none;
}
#towerpanel.show { display: block; }
#towerpanel h3 { font-size: 15px; margin-bottom: 2px; }
#towerpanel .fam { font-size: 10px; text-transform: uppercase; letter-spacing: 1px; color: var(--text-dim); margin-bottom: 8px; }
#towerpanel .stat { display: flex; justify-content: space-between; font-family: var(--mono); font-size: 12px; padding: 2px 0; }
#towerpanel .stat .v { color: var(--accent-2); }
#towerpanel .target-row { margin-top: 8px; }
#towerpanel select { width: 100%; padding: 4px; background: var(--panel-solid); color: var(--text);
  border: 1px solid var(--border); border-radius: 5px; font-family: var(--mono); }
#towerpanel .ctl { display: flex; gap: 6px; margin-top: 10px; }
#towerpanel .ctl .btn { flex: 1; text-align: center; }

/* ---------- debug panel ---------- */
#debug {
  position: absolute; left: 8px; bottom: 8px; width: 180px;
  padding: 8px; display: none;
}
#debug.show { display: block; }
#debug .title { color: var(--bad); font-weight: 700; font-size: 11px; margin-bottom: 6px; letter-spacing:1px; }
#debug .btn { width: 100%; margin-bottom: 4px; text-align: left; }

/* ---------- toasts ---------- */
#toasts { position: absolute; top: 96px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; gap: 4px; align-items: center; }
.toast { padding: 6px 14px; border-radius: 6px; font-size: 13px;
  background: var(--panel); border: 1px solid var(--border); animation: fade 2.4s forwards; }
.toast.good { border-color: #2e7d32; color: var(--good); }
.toast.bad { border-color: #7a2a31; color: var(--bad); }
@keyframes fade { 0%{opacity:0; transform:translateY(-6px);} 10%{opacity:1; transform:none;} 80%{opacity:1;} 100%{opacity:0;} }

/* ---------- screens (modal + tree) ---------- */
.screen { position: absolute; inset: 0; z-index: 20; }
.screen.hidden { display: none; }
#modal { background: rgba(4,6,9,0.75); display: flex; align-items: center; justify-content: center; backdrop-filter: blur(2px); }
#modal-card { width: 460px; max-width: 92vw; padding: 24px; }
#modal-card h1 { font-size: 28px; margin-bottom: 4px; }
#modal-card h1.loss { color: var(--bad); }
#modal-card h1.win { color: var(--good); }
#modal-card .sub { color: var(--text-dim); margin-bottom: 16px; }
#modal-card .rewards { display: flex; flex-direction: column; gap: 6px; margin: 14px 0; }
#modal-card .rwrow { display: flex; justify-content: space-between; font-family: var(--mono);
  padding: 6px 10px; background: rgba(0,0,0,0.25); border-radius: 5px; }
#modal-card .rwrow .v { color: var(--salvage); font-weight: 700; }
#modal-card .actions { display: flex; gap: 8px; margin-top: 18px; }
#modal-card .actions .btn { flex: 1; text-align: center; padding: 12px; }
#modal-card .maplist { display: flex; flex-direction: column; gap: 6px; margin: 14px 0; }
.map-opt { display: flex; justify-content: space-between; align-items: center; padding: 10px 12px;
  background: var(--panel-solid); border: 1px solid var(--border); border-radius: 6px; cursor: pointer; }
.map-opt:hover { border-color: var(--border-hi); }
.map-opt.locked { opacity: .5; cursor: not-allowed; }
.map-opt .mn { font-weight: 600; }
.map-opt .md { font-size: 11px; color: var(--text-dim); }

/* ---------- upgrade tree ---------- */
#tree-screen { background: #06080c; }
#tree-canvas { position: absolute; inset: 0; display: block; cursor: grab; }
#tree-canvas:active { cursor: grabbing; }
#tree-hud {
  position: absolute; top: 12px; left: 12px; right: 12px;
  display: flex; align-items: center; gap: 10px;
}
#tree-hud .ttl { font-size: 20px; font-weight: 700; color: var(--accent); }
#tree-hud .spacer { flex: 1; }
#tree-hud .res { font-size: 14px; }
.tooltip {
  position: absolute; z-index: 30; max-width: 250px; padding: 10px 12px;
  background: var(--panel-solid); border: 1px solid var(--border-hi); border-radius: 7px;
  box-shadow: var(--shadow); font-size: 12px; pointer-events: none;
}
.tooltip h4 { font-size: 14px; margin-bottom: 4px; }
.tooltip .lvl { font-family: var(--mono); color: var(--accent-2); }
.tooltip .desc { color: var(--text-dim); margin: 6px 0; line-height: 1.4; }
.tooltip .cost { font-family: var(--mono); color: var(--gold); }
.tooltip .req { color: var(--bad); font-size: 11px; margin-top: 4px; }
.tooltip .hint { color: var(--text-dim); font-size: 10px; margin-top: 6px; font-style: italic; }

.hidden { display: none !important; }