/* Final refinement (Phase 01–04). Retains legacy classes and battle logic. */
:root{
  --arena-bg:#0A1021;--arena-surface:#151F35;--arena-raised:#1C2B45;
  --arena-primary:#62E6D5;--arena-violet:#B3A1FF;--arena-reward:#FFCF77;
  --arena-muted:#BBC8E1;--arena-border:#445671;--arena-danger:#FF8A9B;
  --arena-focus:#FFE49A;--arena-radius-button:16px;--arena-radius-card:22px;
}
body{background:radial-gradient(ellipse at 50% -18%,#23375d,var(--arena-bg) 56%);color:#F5F7FF}
.card{border-radius:var(--arena-radius-card);border-color:var(--arena-border)}
.battle-first-hero{text-align:start;background:linear-gradient(152deg,#21395a,#12213b 73%);border-color:#427d83;box-shadow:0 16px 38px #04081380}
.battle-first-hero .eyebrow{color:var(--arena-primary)}
.battle-first-hero .hero-mark{display:inline-grid;place-items:center;width:68px;height:68px;border-radius:19px;background:#62e6d51a;font-size:40px;margin:6px 0 2px}
.battle-first-hero .gridstats{margin-block:18px 12px}
.battle-first-hero .hero-actions{display:grid;gap:8px;margin-top:20px}
.hero-actions .btn{margin:0}
#play-1v1{min-height:60px;font-size:1.12rem;line-height:1.4;border:1px solid #92fff0;border-radius:var(--arena-radius-button);background:linear-gradient(110deg,#62e6d5,#80e6e3);color:#0A2131;box-shadow:0 6px 18px #62e6d52c}
#play-1v1:hover:not(:disabled){filter:brightness(1.08)}
#play-1v1:active:not(:disabled){transform:translateY(1px)}
.hero-actions .btn.secondary{min-height:49px;border-color:#60738f;background:#25344f;color:#f5f8ff}
.battle-first-hero .bar{height:12px;border:1px solid #455a78}
.battle-state{border-color:#56788c}
.battle-state .loading-rail{max-width:420px;margin-inline:auto}
.battle-puzzle{border-color:#59718e}
.option{min-height:58px;border-color:#607797}
.option:focus-visible,button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid var(--arena-focus);outline-offset:3px}
@media(max-width:360px){.battle-first-hero{padding:18px}.battle-first-hero .hero-mark{width:55px;height:55px;font-size:34px}.battle-first-hero h1{font-size:clamp(1.4rem,7vw,1.9rem)}#play-1v1{font-size:1rem}}
@media(prefers-contrast:more){.battle-first-hero,.battle-puzzle{border-color:#a5cad6}.hero-actions .btn.secondary{border-color:#a7bfe0}}
@media(prefers-reduced-motion:reduce){#play-1v1:active:not(:disabled){transform:none}}

/* Phase 04 — Live duel HUD, waiting clarity and accessible connection status. */
.queue-assurance{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin:18px 0 8px}
.queue-assurance span{font-size:.8rem;font-weight:750;color:var(--arena-muted);padding:7px 11px;border-radius:999px;border:1px solid var(--arena-border);background:#151F35}
.queue-counter{font-variant-numeric:tabular-nums}
.battle-hud{display:flex;align-items:center;flex-wrap:wrap;gap:9px}
.duel-live-chip{display:inline-flex;align-items:center;gap:7px;padding:6px 10px;background:#173b39;border:1px solid #427d83;border-radius:999px;color:var(--arena-primary);font-weight:750;font-size:.8rem}
.duel-live-chip::before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor}
.battle-scorecard .bar{min-height:9px}
.battle-puzzle .answer-pending{display:flex;align-items:center;gap:9px;min-height:48px;padding:12px 14px;border:1px solid #487d89;border-radius:12px;background:#1c3445;color:#d5fff9}
.battle-state .btn,.battle-hud .btn{min-height:44px}
.result-hero{border-color:#607797}
.result-hero #result-title:focus-visible{outline:3px solid var(--arena-focus);outline-offset:6px}
@media(max-width:360px){.battle-hud{gap:7px}.duel-live-chip{font-size:.72rem;padding:5px 8px}.queue-assurance span{font-size:.74rem}.battle-scorecard{padding:15px}}
@media(prefers-reduced-motion:reduce){.battle-state .loading-rail span,.battle-puzzle .pending-pulse{animation:none!important}}
@media(max-width:520px){
  /* All four HUD items get a deliberate placement; no orphaned round badge. */
  .battle-hud{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center}
  .battle-hud>.pill:first-child{grid-column:1;grid-row:1;justify-self:start}
  .battle-hud>.pill:last-child{grid-column:2;grid-row:1;justify-self:center}
  .battle-hud>.timer{grid-column:3;grid-row:1;justify-self:end}
  .battle-hud>.duel-live-chip{grid-column:1 / -1;grid-row:2;justify-self:center}
}

/* Phase 05 — server-owned level progress, honest reward quotas and milestone hierarchy. */
.progress-coach{font-size:.88rem;font-weight:700;color:var(--arena-primary);margin:11px 0 4px}
.next-achievement{display:grid;grid-template-columns:minmax(0,1fr);gap:5px;padding:15px 17px;
 background:linear-gradient(125deg,#24264b,#1b2a48);border:1px solid #7a70b5;
 border-inline-start:4px solid var(--arena-violet);border-radius:16px;margin:14px 0 18px}
.next-achievement[hidden]{display:none!important}
.next-achievement-label{color:#ded6ff;font-size:.8rem;font-weight:750}
.next-achievement strong{overflow-wrap:anywhere;font-size:1.05rem}
.next-achievement .muted{font-size:.82rem}
.profile-header .bar,.achievement .bar{min-height:10px}
.achievement:focus-within{outline:2px solid var(--arena-focus)}
.achievement-locked .achievement-title span{color:#cad2e4}
.reward-quota-bar{margin:12px 0 9px;height:10px}
.reward-limit-note{color:#ffe2ae;font-size:.86rem;margin-bottom:0}
@media(max-width:360px){.next-achievement{padding:12px}.achievement-title{align-items:flex-start}}
@media(prefers-reduced-motion:reduce){.next-achievement,.achievement,.reward-quota-bar span{animation:none!important;transition:none!important}}

/* Phase 05 — explain season progress; rewards remain claimed only by the API. */
.season-tier{border:1px solid var(--arena-border);border-radius:15px;padding:13px;margin:10px 0}
.season-tier-premium{border-color:#8a78bd;background:linear-gradient(125deg,#211e40,#14253b)}
.season-tier-free{background:#162539}
.season-tier .bar{margin:8px 0 6px;min-height:9px}
.season-tier-caption{display:block;margin-block:5px 10px}
.season-tier-note{font-size:.82rem;color:#ddd2ff}
.season-tier .btn:disabled{opacity:.68;cursor:not-allowed}

/* Phase 06 — honest, keyboard-friendly economy UX, no synthetic checkout. */
.economy-intro{border-color:#537b85}
.economy-checkout-note{background:#173242;border:1px solid #4e868d;border-radius:12px;padding:12px;color:#cef6ed;font-size:.88rem}
.economy-nav{display:flex;gap:8px;overflow-x:auto;scroll-snap-type:x proximity;padding:10px 1px 2px;scrollbar-width:thin}
.economy-nav-link{flex:0 0 auto;display:inline-flex;align-items:center;min-height:44px;padding:8px 14px;border:1px solid #647b9c;border-radius:999px;text-decoration:none;color:#f5f8ff;background:#233650;font-weight:700;scroll-snap-align:start}
.economy-nav-link:focus-visible{outline:3px solid var(--arena-focus);outline-offset:2px}
.economy-section{scroll-margin-top:12px}
.economy-section h2{margin-top:0}
.economy-sections .economy-content{display:grid;gap:9px}
.economy-status{display:inline-flex;align-items:center;justify-content:flex-start;width:fit-content;max-width:100%;padding:6px 10px;border-radius:999px;border:1px solid #59728f;color:#f3f7ff;font-size:.78rem;font-weight:750}
.economy-status-owned{border-color:#4e9e8d;color:#aaf5e1;background:#103b36}
.economy-status-unavailable{border-color:#796d89;color:#dfd5f3;background:#28243e}
.economy-product h3{margin:0 0 8px}.economy-purchase{display:flex;flex-direction:column;align-items:flex-start;gap:6px;border:1px solid var(--arena-border);border-radius:14px;padding:12px}.economy-purchase strong,.economy-sku{overflow-wrap:anywhere}
.economy-privacy{font-size:.86rem}
@media(max-width:360px){.economy-nav-link{padding:8px 10px;font-size:.85rem}.economy-purchase{padding:10px}}
@media(prefers-reduced-motion:reduce){.economy-nav{scroll-behavior:auto}}

/* Phase 07 — explicit, accessible privacy/export and irreversible-deletion controls. */
.settings-danger{border-color:#a85e74}
.settings-danger #deletion-risk{border-inline-start:3px solid var(--arena-danger);padding-inline-start:12px;line-height:1.7}
.settings-check{display:flex;align-items:flex-start;gap:10px;margin:14px 0 18px;padding:13px;border:1px solid #91677d;border-radius:12px;background:#381d32;line-height:1.55;cursor:pointer}
.settings-check input{flex:0 0 auto;inline-size:22px;block-size:22px;margin:2px 0 0;accent-color:var(--arena-primary)}
.settings-check span{flex:1;min-width:0}
.settings-check:focus-within{outline:2px solid var(--arena-focus);outline-offset:2px}
.settings-danger #delete-confirmation{direction:ltr;text-align:start;max-width:100%}
@media(max-width:360px){.settings-check{padding:10px;gap:8px}}

/* Final UIUX Phase 09 — text zoom and 320dp readable navigation actions.
   Three account actions were squeezed into tiny vertical text columns when
   browser/system text was enlarged; stack them instead of hiding words. */
@media(max-width:420px){
  .account-actions{display:grid;grid-template-columns:minmax(0,1fr);gap:9px;margin-inline:0}
  .account-actions .btn{width:100%;min-width:0;min-height:48px;margin:0;
    white-space:normal;overflow-wrap:break-word;line-height:1.45}
}

/* Official MindArena logo lockup: preserve the transparent wordmark on all widths. */
.top .logo{display:flex;align-items:center;gap:8px;min-width:0;flex:1 1 auto}
.top .brand-wordmark{display:block;width:clamp(142px,43vw,202px);height:auto;max-height:83px;object-fit:contain;object-position:50% 50%;flex-shrink:1}
.top .logo .dot{flex-shrink:0}
@media(max-width:359px){.top .brand-wordmark{width:min(150px,42vw)}.top .logo .dot{display:none}}
.brand-hero-mark img{width:100%;height:100%;object-fit:contain;display:block}
.brand-hero-mark{display:grid;place-items:center;width:88px;height:88px;margin-inline:auto}