/* style.css — Plunderfall */
:root{
  --bg:#0a1822;
  --panel:#102433;
  --panel2:#16384d;
  --ink:#e8f1f7;
  --ink-dim:#9fb4c4;
  --gold:#ffd54a;
  --gold-deep:#c79a1e;
  --accent:#4ec3e0;
  --danger:#e85a5a;
  --good:#7be58a;
  --border:rgba(120,180,220,0.18);
  --shadow:0 8px 30px rgba(0,0,0,0.45);
  --font-display:Georgia,'Times New Roman',serif;
  --font-body:system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  color-scheme:dark;
}
html[data-theme="light"]{
  --bg:#cfe3ee;
  --panel:#eaf4fa;
  --panel2:#d7e9f3;
  --ink:#102433;
  --ink-dim:#4a6478;
  --border:rgba(40,80,110,0.2);
  --shadow:0 8px 30px rgba(40,80,110,0.25);
  color-scheme:light;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;height:100%;}
body{
  font-family:var(--font-body);
  background:var(--bg);
  color:var(--ink);
  overflow:hidden;
  touch-action:manipulation;
  -webkit-tap-highlight-color:transparent;
}
#app{display:flex;flex-direction:column;height:100%;width:100%;}

/* Top bar */
#topbar{
  display:flex;align-items:center;justify-content:space-between;
  gap:8px;padding:8px 12px;
  background:linear-gradient(180deg,var(--panel),var(--panel2));
  border-bottom:1px solid var(--border);
  flex:0 0 auto;min-height:52px;
}
.tb-left,.tb-right{display:flex;align-items:center;gap:8px;}
.tb-center{display:flex;align-items:center;gap:14px;flex-wrap:wrap;justify-content:center;}
.level-badge{
  font-family:var(--font-display);font-style:italic;font-weight:700;font-size:20px;letter-spacing:1px;
  color:var(--gold);padding:2px 10px;
  background:rgba(255,213,74,0.08);border:1px solid rgba(255,213,74,0.25);border-radius:8px;
  text-shadow:0 2px 0 rgba(0,0,0,0.35);
}
.stat{display:flex;align-items:center;gap:6px;font-weight:800;font-size:15px;}
.stat-ico{width:20px;height:20px;background-size:contain;background-repeat:no-repeat;background-position:center;display:inline-block;}
.stat-label{font-size:11px;color:var(--ink-dim);font-weight:600;text-transform:uppercase;letter-spacing:0.05em;}
.wave-stat{color:var(--accent);}
.icon-btn{
  background:var(--panel2);color:var(--ink);border:1px solid var(--border);
  border-radius:8px;width:38px;height:38px;font-size:18px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;transition:transform .1s, background .15s;
}
.icon-btn:hover{background:var(--panel);transform:translateY(-1px);}
.icon-btn.sm{width:30px;height:30px;font-size:14px;}
.speed-ctrl{display:flex;align-items:center;gap:6px;background:var(--panel);padding:4px 10px;border-radius:8px;border:1px solid var(--border);}
.speed-label{font-size:11px;color:var(--ink-dim);text-transform:uppercase;letter-spacing:0.05em;}
.speed-val{font-weight:800;color:var(--gold);min-width:24px;text-align:center;}
#speedSlider{width:80px;accent-color:var(--accent);}

/* Game area */
#gameWrap{flex:1 1 auto;position:relative;min-height:0;background:var(--bg);}
#game{display:block;width:100%;height:100%;touch-action:none;}
.tip{
  position:absolute;top:12px;left:50%;transform:translateX(-50%);
  background:rgba(20,40,55,0.95);color:var(--ink);padding:8px 16px;border-radius:8px;
  border:1px solid var(--border);font-size:13px;font-weight:600;pointer-events:none;z-index:5;
  box-shadow:var(--shadow);
}
.tip.hidden{display:none;}

/* Bottom bar */
#bottombar{
  flex:0 0 auto;display:flex;align-items:stretch;gap:10px;
  padding:8px 12px;background:linear-gradient(0deg,var(--panel),var(--panel2));
  border-top:1px solid var(--border);min-height:84px;
}
.bar-section{display:flex;flex-direction:column;gap:4px;}
.bar-title{font-size:10px;color:var(--ink-dim);text-transform:uppercase;letter-spacing:0.1em;font-weight:700;}
.towers-section{flex:1 1 auto;min-width:0;}
.actions-section{justify-content:center;}
.powers-section{flex:1 1 auto;min-width:0;align-items:flex-end;}
.tower-row,.power-row{display:flex;gap:6px;flex-wrap:wrap;}
.tower-btn{
  display:flex;flex-direction:column;align-items:center;gap:2px;
  background:var(--panel);border:1px solid var(--border);border-radius:10px;
  padding:6px 8px;cursor:pointer;min-width:62px;transition:all .12s;color:var(--ink);
}
.tower-btn:hover{border-color:var(--accent);transform:translateY(-2px);}
.tower-btn.active{border-color:var(--gold);background:rgba(255,213,74,0.12);box-shadow:0 0 0 2px rgba(255,213,74,0.25);}
.tower-btn.disabled{opacity:0.45;}
.tb-icon img{width:30px;height:30px;object-fit:contain;display:block;}
.tb-name{font-size:11px;font-weight:700;}
.tb-cost{font-size:11px;color:var(--gold);font-weight:800;}
.power-btn{
  display:flex;flex-direction:column;align-items:center;gap:1px;
  background:linear-gradient(180deg,#1d3a52,#14283b);border:1px solid var(--border);border-radius:10px;
  padding:6px 8px;cursor:pointer;min-width:62px;transition:all .12s;color:var(--ink);position:relative;
}
.power-btn:hover:not(:disabled){border-color:var(--accent);transform:translateY(-2px);}
.power-btn:disabled{opacity:0.4;cursor:not-allowed;}
.pw-name{font-size:11px;font-weight:800;}
.pw-cost{font-size:10px;color:var(--gold);font-weight:700;}
.pw-cd{font-size:10px;color:var(--accent);font-weight:700;position:absolute;bottom:-2px;}

.primary-btn{
  background:linear-gradient(180deg,var(--gold),var(--gold-deep));
  color:#1a1206;border:none;border-radius:10px;padding:10px 18px;
  font-weight:800;font-size:14px;cursor:pointer;transition:transform .1s, filter .15s;
  box-shadow:0 4px 14px rgba(255,213,74,0.3);
}
.primary-btn:hover{filter:brightness(1.08);transform:translateY(-1px);}
.primary-btn:active{transform:translateY(0);}
.primary-btn.sm{padding:7px 12px;font-size:12px;}
.primary-btn.lg{padding:14px 28px;font-size:16px;}
.primary-btn:disabled{opacity:0.5;cursor:not-allowed;box-shadow:none;}
.secondary-btn{
  background:var(--panel);color:var(--ink);border:1px solid var(--border);
  border-radius:10px;padding:10px 18px;font-weight:700;font-size:14px;cursor:pointer;transition:all .12s;
}
.secondary-btn:hover{border-color:var(--accent);background:var(--panel2);}
.secondary-btn.lg{padding:14px 28px;font-size:16px;}
.danger-btn{background:linear-gradient(180deg,#e85a5a,#a83232);color:#fff;border:none;border-radius:10px;padding:10px 18px;font-weight:800;font-size:14px;cursor:pointer;}
.danger-btn.sm{padding:7px 12px;font-size:12px;}
#startWaveBtn{align-self:center;height:46px;white-space:nowrap;}

/* Tower panel */
#towerPanel{
  position:absolute;right:12px;bottom:100px;z-index:6;
  background:rgba(16,36,51,0.97);border:1px solid var(--border);border-radius:12px;
  padding:12px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:8px;min-width:180px;
}
#towerPanel.hidden{display:none;}
.tp-info{display:flex;justify-content:space-between;font-weight:800;}
.tp-info span:last-child{color:var(--gold);}
.tp-stats{display:flex;gap:10px;}
.tp-stats div{display:flex;flex-direction:column;align-items:center;font-size:11px;}
.tp-stats span{color:var(--ink-dim);}
.tp-stats b{color:var(--ink);font-size:14px;}
.tp-actions{display:flex;gap:6px;align-items:center;}

/* Overlay */
#overlay{
  position:fixed;inset:0;z-index:20;
  background:rgba(6,16,24,0.82);backdrop-filter:blur(6px);
  display:flex;align-items:center;justify-content:center;padding:16px;
  overflow:auto;
}
#overlay.hidden{display:none;}
.overlay-card{
  background:linear-gradient(180deg,var(--panel),var(--panel2));
  border:1px solid var(--border);border-radius:16px;padding:24px;
  max-width:560px;width:100%;box-shadow:var(--shadow);
  max-height:90vh;overflow:auto;
}
.splash{text-align:center;}
.title{
  font-family:var(--font-display);font-style:italic;font-weight:700;font-size:54px;margin:0;letter-spacing:2px;
  color:var(--gold);text-shadow:0 3px 0 rgba(0,0,0,0.4), 0 0 24px rgba(255,213,74,0.3);
}
.subtitle{color:var(--ink-dim);margin:4px 0 16px;font-size:15px;}
.splash-art{font-size:64px;margin:8px 0 16px;}
.menu-btns{display:flex;flex-direction:column;gap:10px;margin:16px 0;}
.menu-tips{color:var(--ink-dim);font-size:12px;line-height:1.7;margin-top:12px;}
.menu-tips p{margin:2px 0;}

/* Level select */
.ls-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;}
.ls-head h2{font-family:var(--font-display);font-style:italic;color:var(--gold);margin:0;font-size:28px;text-shadow:0 2px 0 rgba(0,0,0,0.35);}
.ls-grid{display:grid;grid-template-columns:repeat(10,1fr);gap:6px;}
.level-cell{
  aspect-ratio:1;background:var(--panel);border:1px solid var(--border);border-radius:8px;
  color:var(--ink);font-weight:800;cursor:pointer;display:flex;flex-direction:column;
  align-items:center;justify-content:center;font-size:14px;transition:all .12s;position:relative;
}
.level-cell span{font-size:15px;}
.level-cell:hover:not(.locked){transform:translateY(-2px);border-color:var(--accent);}
.level-cell.done{background:rgba(123,229,138,0.12);border-color:rgba(123,229,138,0.4);color:var(--good);}
.level-cell.done span{color:var(--ink);}
.level-cell.locked{opacity:0.4;cursor:not-allowed;}
.level-cell.available{background:rgba(78,195,224,0.1);border-color:rgba(78,195,224,0.4);}

/* Result */
.result{text-align:center;}
.result h2{font-family:var(--font-display);font-style:italic;font-size:42px;margin:0 0 4px;}
.result.win h2{color:var(--good);text-shadow:0 0 20px rgba(123,229,138,0.4);}
.result.lose h2{color:var(--danger);text-shadow:0 0 20px rgba(232,90,90,0.4);}
.result-sub{color:var(--ink-dim);margin:0 0 16px;}
.result-stats{display:flex;justify-content:center;gap:20px;margin:16px 0;}
.result-stats div{display:flex;flex-direction:column;}
.result-stats span{font-size:11px;color:var(--ink-dim);text-transform:uppercase;letter-spacing:0.05em;}
.result-stats b{font-size:22px;color:var(--gold);}

/* Responsive */
@media (max-width:640px){
  .tb-center{gap:8px;}
  .stat{font-size:13px;}
  .speed-ctrl{padding:3px 6px;}
  #speedSlider{width:60px;}
  .level-badge{font-size:16px;}
  .title{font-size:40px;}
  .ls-grid{grid-template-columns:repeat(7,1fr);}
  .tower-btn,.power-btn{min-width:54px;padding:5px 6px;}
  .tb-icon img{width:26px;height:26px;}
  #bottombar{min-height:74px;padding:6px 8px;gap:6px;}
  #startWaveBtn{height:40px;font-size:13px;padding:8px 12px;}
  #towerPanel{right:8px;bottom:90px;min-width:160px;padding:10px;}
}
@media (max-width:420px){
  .ls-grid{grid-template-columns:repeat(5,1fr);}
  .tb-center .stat:nth-child(4){display:none;}
}