/* Dungeon of Algorithms: mobile-first (360-430px portrait), scales up to desktop. */
html,body{height:100%}
body{overflow-x:hidden}
#app{max-width:760px;margin:0 auto;padding:8px;display:flex;flex-direction:column;gap:8px;min-height:100%}
.topbar{display:flex;align-items:center;gap:8px;padding:6px 8px}
.iconbtn{min-width:44px;min-height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;border:2px solid var(--line);background:var(--bg2);color:var(--text);font-size:20px;text-decoration:none;cursor:pointer}
.topbar .ttl{flex:1;min-width:0;display:flex;flex-direction:column;line-height:1.15}.topbar .ttl small{color:var(--muted);font-size:11px}.topbar .ttl b{font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hp{font-size:18px;letter-spacing:1px;white-space:nowrap}.hp .lost{filter:grayscale(1);opacity:.35}
.relicbar{display:flex;gap:6px;flex-wrap:wrap;min-height:0}.relicbar:empty{display:none}
.relic-chip{background:var(--bg2);border:1px solid var(--line);border-radius:999px;padding:3px 10px;font-size:12px}
#screen{flex:1;display:flex;flex-direction:column;gap:10px;outline:none}
.card{padding:14px}
h2.room-title{margin:0;font-size:20px;display:flex;align-items:center;gap:8px}
.story{color:var(--muted);font-size:14px;margin:4px 0 0}
.problem{font-size:16px;font-weight:700;margin:6px 0 0}
/* collapsible story: open by default, collapsed on portrait phones (game.js compact()) */
h2.room-title .rt{flex:1;min-width:0}
.story-t{flex:none;min-height:44px;min-width:44px;padding:0 10px;border-radius:10px;border:1px solid var(--line);background:var(--bg2);color:var(--muted);font:700 12px var(--font);cursor:pointer}
.story[hidden]{display:none}
/* mana */
.mana{display:flex;align-items:center;gap:8px}
.mana .bar{flex:1;height:14px;background:#0b1020;border-radius:8px;overflow:hidden;border:1px solid var(--line)}
.mana .bar i{display:block;height:100%;background:linear-gradient(90deg,#5ce1e6,#7c9bff);transition:width .2s}
.mana.low .bar i{background:linear-gradient(90deg,#f87171,#fbbf24)}
.mana b{font-family:var(--mono);font-size:14px;min-width:64px;text-align:right}
/* tiles */
.tiles{display:flex;flex-wrap:wrap;gap:24px 4px;justify-content:center;padding:18px 0 4px}
.tile{position:relative;min-width:30px;height:38px;padding:0 4px;display:flex;align-items:center;justify-content:center;border-radius:8px;background:#26366a;border:2px solid #3b4d8f;font:700 16px var(--mono);color:#fff}
.tiles.dense .tile{min-width:26px;height:32px;font-size:13px}
.tile.dim,.tile.done{opacity:.32}.tile.stored{background:#2b3f3a;border-color:#3f6f62}
.tile.win{background:#284f7a;border-color:var(--accent2)}.tile.best{box-shadow:0 0 0 2px var(--accent) inset}
.tile .tag{position:absolute;top:-17px;left:50%;transform:translateX(-50%);font:900 11px var(--font);color:#2a1a00;background:var(--accent);border-radius:6px;padding:0 4px;white-space:nowrap}
.tile .tag+.tag{top:auto;bottom:-17px;background:var(--accent2)}
.tile.has-tag{border-color:var(--accent)}
.status{font:700 14px var(--mono);text-align:center;color:var(--accent2);margin-top:12px}
.side{margin-top:8px;font-size:13px}.side b{color:var(--muted);font-weight:700}
.chips{display:flex;flex-wrap:wrap;gap:4px;margin-top:4px;min-height:30px}.chips span{background:var(--bg2);border:1px solid var(--line);border-radius:6px;padding:3px 7px;font:700 14px var(--mono)}
.chips .empty{opacity:.6;font-family:var(--font);font-weight:400}
.tiles.grid{display:grid;gap:4px;padding:8px 0 4px;max-width:420px;width:100%;margin:0 auto;--gc:7;--gr:6}
.tiles.grid .tile{min-width:0;width:100%;height:auto;aspect-ratio:1;padding:0;font-size:15px}
.tiles.grid .tile .tag{top:-9px;font-size:10px;padding:0 3px}
.tile.wall{background:#0a1022;border-color:#141c38;color:transparent;overflow:hidden}.tile.sea{background:#0f2440;border-color:#16345a;color:#4c78a8}
.tile.land{background:#3d5a2a;border-color:#5c8a3a}.tile.blight{background:#4b2a52;border-color:#7a3f86}.tile.head{background:#6b1f2a;border-color:#a33343}
.floorbtn{width:100%;text-align:left;color:var(--text);font:inherit;cursor:pointer;min-height:56px}.floorbtn:disabled{cursor:not-allowed}
/* casting */
.spells{display:grid;grid-template-columns:1fr;gap:8px}
.spell{display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:56px;padding:10px 14px;border-radius:12px;border:2px solid var(--line);background:linear-gradient(180deg,#25336a,#1b2550);color:var(--text);font:800 16px var(--font);cursor:pointer;text-align:left}
.spell .o{font:700 13px var(--mono);background:#0b1020;border-radius:6px;padding:3px 8px;color:var(--accent2)}
.spell.tried{opacity:.45;text-decoration:line-through}
/* actions */
.actions{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.actions .act{min-height:56px;font-size:15px}
.actions.many{grid-template-columns:repeat(4,1fr)}.actions.many .act{min-height:48px;padding:6px 4px}.actions.many .act:last-child{grid-column:1/-1}
.actions .act.suggest{outline:3px solid var(--accent);outline-offset:2px}
.act .k{font:700 10px var(--mono);opacity:.6;margin-left:4px}
.toolrow{display:flex;gap:8px;flex-wrap:wrap}
.feedback{min-height:22px;font-size:14px;padding:8px 10px;border-radius:8px;background:var(--bg2);border-left:4px solid var(--line)}
.feedback.bad{border-left-color:var(--bad)}.feedback.good{border-left-color:var(--good)}.feedback:empty{display:none}
.coach{border:2px solid var(--accent);background:rgba(255,204,51,.08);border-radius:12px;padding:10px 12px;font-size:14px}
.coach b{color:var(--accent)}
/* map */
.path{display:flex;flex-direction:column;gap:8px;margin:6px 0}
.pnode{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:12px;background:var(--bg2);border:2px solid var(--line)}
.pnode .pi{font-size:24px;width:32px;text-align:center}.pnode .pt{flex:1}.pnode .pt small{display:block;color:var(--muted);font-size:12px}
.pnode.cur{border-color:var(--accent);background:rgba(255,204,51,.08)}.pnode.locked{opacity:.5}
/* results */
.big{font-size:44px;text-align:center}
.center{text-align:center}
.stars{font-size:36px}.stars .on{color:var(--accent)}.stars .off{color:#56628f}
.conds{list-style:none;margin:10px 0;padding:0;display:flex;flex-direction:column;gap:4px}
.conds li{display:flex;align-items:center;gap:8px;background:var(--bg2);border-radius:8px;padding:8px;font-size:13px;border-left:4px solid var(--good)}
.conds li.miss{border-left-color:var(--bad)}.conds .ck{font-weight:900;width:16px;text-align:center}.conds li.met .ck{color:var(--good)}.conds li.miss .ck{color:var(--bad)}
.conds .cl{flex:1}.conds .cv{text-align:right;white-space:nowrap}.conds .cv b{display:block;font-family:var(--mono)}.conds .cv small{color:var(--muted);font-size:11px}
.cost{display:flex;flex-direction:column;gap:6px;margin:8px 0}
.cost .row{display:grid;grid-template-columns:96px 1fr 52px;align-items:center;gap:8px;font-size:12px}
.cost .bar{height:12px;background:#0b1020;border-radius:6px;overflow:hidden}.cost .bar i{display:block;height:100%}
.cost .you i{background:var(--accent2)}.cost .best i{background:var(--good)}.cost .brute i{background:var(--bad)}.cost .budget i{background:#7c9bff}
.cost .n{font-family:var(--mono);text-align:right}
.why{background:rgba(92,225,230,.08);border:1px solid rgba(92,225,230,.4);border-radius:8px;padding:8px 10px;font-size:14px}
.tipcard{border-left:4px solid var(--accent2);background:var(--bg2);border-radius:8px;padding:8px 10px;font-size:14px;margin-top:8px}
.btnrow{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-top:10px}
.btnrow .btn{flex:1 1 140px}
.relics{display:grid;grid-template-columns:1fr;gap:8px}
.relicc{display:flex;gap:12px;align-items:center;text-align:left;min-height:64px;padding:12px;border-radius:12px;border:2px solid var(--line);background:var(--bg2);color:var(--text);font:15px var(--font);cursor:pointer}
.relicc .ri{font-size:30px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
@media (min-width:700px){.spells{grid-template-columns:repeat(3,1fr)}.actions{grid-template-columns:repeat(4,1fr)}.tiles.grid .tile{font-size:18px}.relics{grid-template-columns:1fr 1fr}.tile{min-width:38px;height:44px;font-size:18px}.tiles.dense .tile{min-width:30px;height:38px;font-size:15px}}
/* Phones in landscape (short and wide): board on the left, problem + controls on the right, so a step never needs a scroll. */
@media (orientation:landscape) and (max-height:520px){
  #app{max-width:none;padding:6px max(8px,env(safe-area-inset-right)) 6px max(8px,env(safe-area-inset-left));gap:6px}
  .topbar{padding:2px 8px}
  #screen.in-room{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);grid-template-rows:min-content 1fr;gap:8px;align-items:start}
  #screen.in-room .room-board{grid-column:1;grid-row:1 / span 2}
  #screen.in-room .room-ctrl{grid-column:2;grid-row:1}#screen.in-room .room-info{grid-column:2;grid-row:2}
  #screen.in-room .card{padding:10px}
  #screen.in-room .story{font-size:12.5px}#screen.in-room .problem{font-size:14px}h2.room-title{font-size:17px}
  .tiles{padding-top:16px}
  .tiles.grid{max-width:calc((100dvh - 150px) * var(--gc) / var(--gr));min-width:150px}
  #screen.in-room .status{margin-top:6px;font-size:12.5px}#screen.in-room .side{margin-top:4px}
  .spells{grid-template-columns:1fr;gap:6px}.spell{min-height:44px;padding:4px 12px;font-size:15px}#screen.in-room .dock .cast-help{display:none}
  .tiles.dense{gap:18px 3px}.tiles.dense .tile{min-width:24px;height:28px;font-size:12px;padding:0 2px}
  #screen.in-room .actions.many.short{grid-template-columns:repeat(4,1fr)}#screen.in-room .actions.many.short .act:last-child{grid-column:1/-1}#screen.in-room .actions.many.short .act{min-height:42px;padding:2px 4px;font-size:13px}
  #screen.in-room .actions{grid-template-columns:repeat(auto-fit,minmax(104px,1fr))}
  #screen.in-room .actions .act{min-height:44px;font-size:13px;padding:4px 6px}#screen.in-room .actions.many .act:last-child{grid-column:auto}
}
/* Laptops and desktops: same two-column room so the board and the controls sit side by side. */
@media (min-width:1100px) and (min-height:600px){
  #app{max-width:1180px}
  #screen.in-room{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(360px,1fr);grid-template-rows:min-content 1fr;gap:12px;align-items:start}
  #screen.in-room .room-board{grid-column:1;grid-row:1 / span 2}
  #screen.in-room .room-info{grid-column:2;grid-row:1}#screen.in-room .room-ctrl{grid-column:2;grid-row:2}
  #screen.in-room .actions{grid-template-columns:1fr 1fr}#screen.in-room .spells{grid-template-columns:1fr}
  .tiles.grid{max-width:520px}
}
/* Portrait phones: a fixed action dock (feedback + coach + buttons) at the bottom; board, problem and dock fit one screen.
   --dock-h is measured by game.js fitDock() so the page reserves exactly the dock's height. */
@media (orientation:portrait) and (max-width:480px){
  #screen.in-room{padding-bottom:calc(var(--dock-h,0px) + 4px);gap:6px}
  #screen.in-room .card{padding:8px 10px}
  #screen.in-room h2.room-title{font-size:16px}#screen.in-room .problem{font-size:14px;margin-top:2px}
  #screen.in-room .story{font-size:13px}
  #screen.in-room .tiles{padding-top:16px;gap:20px 3px}
  #screen.in-room .tiles.grid{padding-top:8px;gap:3px;max-width:min(420px,calc((100dvh - var(--dock-h,0px) - 215px) * var(--gc) / var(--gr)));min-width:150px}
  #screen.in-room .status{margin-top:6px;font-size:12.5px}#screen.in-room .side{margin-top:4px;font-size:12px}#screen.in-room .chips{min-height:24px}
  #screen.in-room .chips span{font-size:12px;padding:2px 5px}
  #screen.in-room .room-ctrl{display:contents}
  #screen.in-room .dock{position:fixed;left:0;right:0;bottom:0;z-index:20;max-height:62dvh;overflow-y:auto;
    padding:8px max(8px,env(safe-area-inset-right)) calc(8px + env(safe-area-inset-bottom)) max(8px,env(safe-area-inset-left));
    background:linear-gradient(180deg,var(--panel2),var(--panel));border-top:2px solid var(--line);box-shadow:0 -8px 24px rgba(0,0,0,.45)}
  #screen.in-room .dock .cast-help{display:none}
  #screen.in-room .spells{gap:6px}#screen.in-room .spell{min-height:44px;padding:4px 12px;font-size:15px}
  #screen.in-room .actions{gap:6px}#screen.in-room .actions .act{min-height:46px;font-size:13.5px;padding:4px 6px;line-height:1.15}
  #screen.in-room .actions.many{grid-template-columns:1fr 1fr}#screen.in-room .actions.many .act{min-height:44px}
  #screen.in-room .actions.many.short{grid-template-columns:repeat(4,1fr)}#screen.in-room .actions.many.short .act:last-child{grid-column:1/-1}
  #screen.in-room .tiles.dense{gap:20px 3px}#screen.in-room .tiles.dense .tile{min-width:24px;height:30px;font-size:12px;padding:0 2px}
  #screen.in-room .spell{min-height:44px}
  #screen.in-room .dock .feedback{margin-top:6px !important;font-size:13px;padding:5px 8px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
  #screen.in-room .dock .feedback:empty{display:none}
  #screen.in-room .dock .coach{margin-top:6px !important;font-size:12.5px;padding:6px 8px}
}
@media (prefers-reduced-motion:reduce){.mana .bar i{transition:none}}
/* very short portrait phones (iPhone SE 1st gen, 320×568): tighter cards, spells side by side */
@media (orientation:portrait) and (max-width:480px) and (max-height:620px){
  #screen.in-room .card{padding:8px 12px}#screen.in-room{gap:8px}
  #screen.in-room .dock .spells{grid-template-columns:repeat(3,1fr)}#screen.in-room .dock .spell{font-size:12.5px;padding:4px 6px;line-height:1.2}
  #screen.in-room .tiles.dense{gap:13px 2px}#screen.in-room .tiles.dense .tile{min-width:22px;height:26px;font-size:11.5px}#screen.in-room .tiles{padding-top:10px}#screen.in-room .dock .feedback{-webkit-line-clamp:2}#screen.in-room .tiles.grid{padding-top:4px;min-width:120px}#screen.in-room .mana{margin-bottom:0}#screen.in-room .dock .act,#screen.in-room .actions.many .act{min-height:40px;padding:2px 6px;font-size:13px;line-height:1.2}#screen.in-room .dock .feedback{font-size:12.5px;padding:4px 8px;margin-top:4px !important}
  #screen.in-room .mana{font-size:12px;line-height:1.1}#screen.in-room .mana .bar{height:8px}#screen.in-room .mana b{font-size:12px}#screen.in-room .problem{font-size:13px;line-height:1.3}#screen.in-room .status{margin-top:3px}
}
#screen.in-room .status.in-dock{margin:0 0 6px;font-size:12.5px;color:var(--muted)}
@media (orientation:portrait) and (max-width:480px) and (max-height:620px){
  /* info + board read as one card: saves the inter-card gap and padding */
  #screen.in-room .room-info{border-bottom-left-radius:0;border-bottom-right-radius:0;border-bottom:0;padding-bottom:2px}
  #screen.in-room .room-board{border-top-left-radius:0;border-top-right-radius:0;border-top:0;margin-top:-8px;padding-top:2px}
  .story-t{min-height:40px}
}