@charset "UTF-8";
:root{
  --bg:#08080e;--surface:#111118;--surface2:#18181f;--surface3:#1e1e28;
  --border:#252535;--border2:#32324a;
  --accent:#e8ff47;--accent2:#c8e000;
  --text:#f0f0f5;--muted:#6b6b8a;--muted2:#42425a;
  --success:#4dffb4;--error:#ff4d6b;--info:#47b3ff;--orange:#ffa532;--purple:#c084fc;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;height:100%;-webkit-text-size-adjust:100%;text-size-adjust:100%;}
body{background:var(--bg);color:var(--text);font-family:'DM Sans',sans-serif;min-height:100vh;min-height:100dvh;display:flex;align-items:flex-start;justify-content:center;position:relative;overscroll-behavior:none;-webkit-tap-highlight-color:transparent;}
body::before{content:'';position:fixed;inset:0;background:radial-gradient(ellipse 70% 50% at 15% 15%,rgba(232,255,71,.05) 0%,transparent 55%),radial-gradient(ellipse 60% 50% at 85% 80%,rgba(71,179,255,.06) 0%,transparent 55%),radial-gradient(ellipse 40% 30% at 50% 50%,rgba(192,132,252,.03) 0%,transparent 50%);pointer-events:none;transform:translateZ(0);will-change:transform;}
.grid-bg{position:fixed;inset:0;pointer-events:none;background-image:linear-gradient(rgba(255,255,255,.012) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.012) 1px,transparent 1px);background-size:52px 52px;transform:translateZ(0);will-change:transform;}
.app{width:100%;max-width:620px;padding:16px 16px calc(72px + env(safe-area-inset-bottom,0px));position:relative;z-index:1;}
@media(min-width:480px){.app{padding:24px 20px 80px;}}
.screen{display:none;animation:fadeUp .25s ease;}
.screen.active{display:block;}
@keyframes fadeUp{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:translateY(0);}}
/* Home screen: no translateY animation — fixed header must not jump */
#screen-menu.active{animation:fadeIn .2s ease;}
@keyframes fadeIn{from{opacity:0;}to{opacity:1;}}

/* lang */
.lang-bar{display:flex;gap:8px;justify-content:flex-end;margin-bottom:16px;}
.lang-btn{padding:5px 12px;background:var(--surface);border:1px solid var(--border);border-radius:6px;color:var(--muted);font-family:'DM Mono',monospace;font-size:11px;letter-spacing:1px;cursor:pointer;transition:all .15s;text-transform:uppercase;}
.lang-btn.active{background:var(--accent);border-color:var(--accent);color:#000;}

/* ── Numfly logo ── */
.numfly-logo{display:flex;align-items:center;gap:14px;}
.numfly-name{font-family:'Bebas Neue',sans-serif;font-size:clamp(46px,11vw,68px);letter-spacing:4px;line-height:1;color:var(--text);}
.numfly-name .fly{color:var(--accent);}
.numfly-name .dot{color:var(--accent);}
.tagline{font-size:12px;color:var(--muted);letter-spacing:2px;text-transform:uppercase;margin-top:10px;font-family:'DM Mono',monospace;}
@media(max-width:360px){.numfly-name{font-size:38px;letter-spacing:2px;}}

/* menu nav */
.menu-nav{display:flex;gap:10px;margin-top:26px;}
.nav-btn{flex:1;padding:14px 8px;background:var(--surface);border:1px solid var(--border);border-radius:10px;color:var(--text);font-family:'DM Mono',monospace;font-size:11px;letter-spacing:1px;cursor:pointer;transition:all .2s;text-transform:uppercase;text-align:center;display:flex;flex-direction:column;align-items:center;gap:5px;}
.nav-btn .nav-icon{font-size:22px;}
.nav-btn:hover{border-color:var(--accent);color:var(--accent);background:rgba(232,255,71,.04);}

/* HS panel */
.hs-panel{margin-top:20px;}
.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;}
.section-title{font-family:'Bebas Neue',sans-serif;font-size:22px;letter-spacing:2px;color:var(--accent);}
.hs-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.hs-block{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:14px 16px;}
.hs-block-title{font-family:'Bebas Neue',sans-serif;font-size:16px;letter-spacing:1px;color:var(--text);margin-bottom:10px;}
.hs-rows{display:flex;flex-direction:column;gap:6px;}
.hs-row{display:flex;justify-content:space-between;align-items:center;font-family:'DM Mono',monospace;font-size:12px;color:var(--muted);}
.hs-val{color:var(--accent);font-size:15px;}
.hs-plays{color:var(--muted2);font-size:10px;margin-left:5px;}

/* mode cards */
.mode-grid{display:flex;flex-direction:column;gap:10px;margin-top:16px;}
.mode-card{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:16px 22px;cursor:pointer;display:flex;align-items:center;gap:16px;transition:border-color .2s,background .2s,transform .15s;position:relative;overflow:hidden;}
.mode-card:hover{border-color:var(--accent);background:var(--surface2);transform:translateX(4px);}
.mode-card::after{content:'→';position:absolute;right:20px;color:var(--muted);font-size:18px;transition:right .2s,color .2s;}
.mode-card:hover::after{right:14px;color:var(--accent);}
@media(max-width:540px){.mode-card::after{display:none;}}
.mode-icon{font-size:24px;flex-shrink:0;}
.mode-title{font-family:'Bebas Neue',sans-serif;font-size:20px;letter-spacing:1px;}
.mode-desc{font-size:12px;color:var(--muted);margin-top:2px;line-height:1.4;}

/* setup */
.panel-title{font-family:'Bebas Neue',sans-serif;font-size:36px;letter-spacing:2px;margin-bottom:6px;}
.panel-sub{font-size:13px;color:var(--muted);margin-bottom:26px;}
.field{margin-bottom:20px;}
.field label{display:block;font-size:11px;text-transform:uppercase;letter-spacing:2px;color:var(--muted);margin-bottom:8px;font-family:'DM Mono',monospace;}
.field input[type=number]{width:100%;background:var(--surface);border:1px solid var(--border);border-radius:8px;color:var(--text);font-family:'DM Mono',monospace;font-size:20px;padding:12px 16px;outline:none;transition:border-color .2s;}
.field input:focus{border-color:var(--accent);}
input[type=number]::-webkit-inner-spin-button{opacity:.4;}
.diff-row{display:flex;gap:10px;}
.diff-btn{flex:1;padding:12px;background:var(--surface);border:1px solid var(--border);border-radius:8px;color:var(--muted);font-family:'DM Mono',monospace;font-size:12px;letter-spacing:1px;cursor:pointer;transition:all .15s;text-transform:uppercase;}
.diff-btn.active{background:var(--accent);border-color:var(--accent);color:#000;font-weight:500;}
.op-row{display:flex;gap:8px;flex-wrap:wrap;}
.op-btn{padding:9px 14px;background:var(--surface);border:1px solid var(--border);border-radius:8px;color:var(--muted);font-family:'DM Mono',monospace;font-size:11px;letter-spacing:1px;cursor:pointer;transition:all .15s;text-transform:uppercase;user-select:none;}
.op-btn.active{background:var(--accent);border-color:var(--accent);color:#000;font-weight:500;}

/* buttons */
.btn{display:block;width:100%;padding:14px;border-radius:8px;border:none;font-family:'Bebas Neue',sans-serif;font-size:20px;letter-spacing:2px;cursor:pointer;transition:all .15s;margin-top:12px;}
.btn-primary{background:var(--accent);color:#000;}
.btn-primary:hover{background:#d4e83e;transform:translateY(-1px);}
.btn-secondary{background:var(--surface);border:1px solid var(--border);color:var(--muted);}
.btn-secondary:hover{border-color:var(--muted);color:var(--text);}
.btn-danger{background:transparent;border:1px solid var(--error);color:var(--error);}
.btn-danger:hover{background:var(--error);color:#fff;}

/* HUD */
.hud{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:var(--surface);border:1px solid var(--border);border-radius:8px;font-family:'DM Mono',monospace;margin-bottom:20px;}
.hud-item{text-align:center;}
.hud-label{font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:1.5px;}
.hud-value{font-size:22px;color:var(--text);margin-top:2px;}
.hud-value.accent{color:var(--accent);}
.hud-value.danger{color:var(--error);}

/* question */
.q-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:34px 28px;text-align:center;margin-bottom:18px;}
.q-text{font-family:'Bebas Neue',sans-serif;font-size:clamp(36px,10vw,58px);letter-spacing:3px;line-height:1.1;}
.q-type{font-family:'DM Mono',monospace;font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:2px;margin-bottom:10px;}
.answer-row{display:flex;gap:10px;}
@media(max-width:479px){
  /* Keep answer row visible when soft keyboard opens */
  .answer-row{position:sticky;bottom:8px;z-index:10;background:var(--bg);padding:4px 0;}
}
.answer-row input{flex:1;background:var(--surface);border:1px solid var(--border);border-radius:8px;color:var(--text);font-family:'DM Mono',monospace;font-size:26px;padding:14px 18px;outline:none;text-align:center;transition:border-color .2s;}
.answer-row input:focus{border-color:var(--accent);}
.submit-btn{padding:0 22px;background:var(--accent);border:none;border-radius:8px;color:#000;font-family:'Bebas Neue',sans-serif;font-size:18px;letter-spacing:1px;cursor:pointer;transition:background .15s;flex-shrink:0;}
.submit-btn:hover{background:#d4e83e;}
@media(max-width:540px){
  /* Side-by-side on mobile: input left, big tap-target button right */
  .answer-row{flex-direction:row;gap:8px;}
  .answer-row input{font-size:22px;padding:12px 10px;}
  .submit-btn{width:72px;min-height:52px;padding:0;font-size:22px;letter-spacing:1px;flex-shrink:0;}
}
.feedback{text-align:center;font-family:'DM Mono',monospace;font-size:13px;margin-top:14px;min-height:22px;}
.feedback.ok{color:var(--success);}
.feedback.bad{color:var(--error);}

/* ── Compact game layout on mobile (keyboard-friendly) ── */
@media(max-width:540px){
  /* Tighter HUD */
  .hud{padding:8px 12px;margin-bottom:12px;border-radius:8px;}
  .hud-label{font-size:9px;letter-spacing:1px;}
  .hud-value{font-size:18px;margin-top:1px;}
  /* Smaller question card */
  .q-card{padding:18px 16px;margin-bottom:12px;border-radius:10px;}
  .q-text{font-size:clamp(30px,9vw,46px);}
  .q-type{font-size:10px;margin-bottom:6px;}
  /* Tighter feedback */
  .feedback{margin-top:8px;min-height:18px;font-size:12px;}
  /* Lightning specific */
  .lightning-number{font-size:clamp(70px,20vw,110px);}
  #l-display{min-height:140px;}
  .progress-bar-wrap{margin-bottom:12px;}
  /* Daily game HUD */
  .daily-hud{padding:8px 12px;margin-bottom:12px;}
  .daily-progress{font-size:22px;}
  .daily-timer-live{font-size:22px;}
  .hud-label{font-size:9px;}
}

/* lightning */
.lightning-number{font-family:'Bebas Neue',sans-serif;font-size:clamp(90px,25vw,140px);color:var(--accent);text-align:center;line-height:1;animation:pulse .25s ease;}
@keyframes pulse{from{opacity:0;}to{opacity:1;}}
.lightning-blank{height:140px;}
/* Fixed height so the card never expands/retracts as numbers flash */
#l-display{min-height:200px;display:flex;align-items:center;justify-content:center;padding:0;}
.progress-bar-wrap{height:4px;background:var(--border);border-radius:2px;margin-bottom:20px;}
.progress-bar-fill{height:100%;background:var(--accent);border-radius:2px;transition:width .1s linear;}

/* result */
.result-box{text-align:center;padding:28px;background:var(--surface);border:1px solid var(--border);border-radius:12px;margin-bottom:14px;}
.result-emoji{font-size:44px;margin-bottom:10px;}
.result-title{font-family:'Bebas Neue',sans-serif;font-size:34px;letter-spacing:2px;margin-bottom:6px;}
.result-score{font-size:50px;font-family:'Bebas Neue',sans-serif;color:var(--accent);margin:10px 0;}
.result-detail{color:var(--muted);font-size:13px;font-family:'DM Mono',monospace;}

/* back link */
.back-link{display:inline-flex;align-items:center;gap:6px;font-family:'DM Mono',monospace;font-size:12px;color:var(--muted);cursor:pointer;margin-bottom:18px;text-transform:uppercase;letter-spacing:1px;transition:color .15s;border:none;background:none;}
.back-link:hover{color:var(--text);}

/* ════════════ TIPS PAGE ════════════ */
.tips-hero{background:linear-gradient(135deg,rgba(232,255,71,.1) 0%,rgba(192,132,252,.08) 50%,rgba(71,179,255,.06) 100%);border:1px solid rgba(232,255,71,.3);border-radius:16px;padding:26px 22px;margin-bottom:22px;position:relative;overflow:hidden;}
.tips-hero::before{content:'💡';position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:56px;opacity:.12;}
.tips-hero-title{font-family:'Bebas Neue',sans-serif;font-size:34px;letter-spacing:2px;color:var(--accent);margin-bottom:6px;}
.tips-hero-sub{font-size:13px;color:var(--muted);line-height:1.6;max-width:85%;}

.tips-filter{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:20px;}
.tips-filter-btn{padding:7px 13px;background:var(--surface);border:1px solid var(--border);border-radius:20px;color:var(--muted);font-family:'DM Mono',monospace;font-size:11px;letter-spacing:.5px;cursor:pointer;transition:all .15s;text-transform:uppercase;}
.tips-filter-btn.active{color:#000;font-weight:500;}
.tips-filter-btn.f-all.active{background:var(--text);border-color:var(--text);}
.tips-filter-btn.f-mul.active{background:var(--accent);border-color:var(--accent);}
.tips-filter-btn.f-div.active{background:var(--info);border-color:var(--info);}
.tips-filter-btn.f-add.active{background:var(--success);border-color:var(--success);}
.tips-filter-btn.f-sub.active{background:var(--error);border-color:var(--error);}
.tips-filter-btn.f-pct.active{background:var(--orange);border-color:var(--orange);}
.tips-filter-btn.f-gen.active{background:var(--purple);border-color:var(--purple);}

.tips-list{display:flex;flex-direction:column;gap:14px;}
.tip-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;overflow:hidden;cursor:pointer;transition:border-color .2s,transform .15s;}
.tip-card:hover{border-color:var(--border2);transform:translateY(-1px);}
.tip-card-inner{padding:18px 20px;}
.tip-header{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;}
.tip-left{flex:1;}
.tip-tag{display:inline-block;font-family:'DM Mono',monospace;font-size:10px;text-transform:uppercase;letter-spacing:1.5px;padding:3px 8px;border-radius:12px;margin-bottom:8px;}
.tip-tag.mul{background:rgba(232,255,71,.12);color:var(--accent);}
.tip-tag.div{background:rgba(71,179,255,.12);color:var(--info);}
.tip-tag.add{background:rgba(77,255,180,.12);color:var(--success);}
.tip-tag.sub{background:rgba(255,77,107,.12);color:var(--error);}
.tip-tag.pct{background:rgba(255,165,50,.12);color:var(--orange);}
.tip-tag.gen{background:rgba(192,132,252,.12);color:var(--purple);}
.tip-title{font-family:'Bebas Neue',sans-serif;font-size:19px;letter-spacing:1px;margin-bottom:7px;}
.tip-body{font-size:13px;color:var(--muted);line-height:1.65;}
.tip-example{margin-top:12px;background:var(--surface2);border:1px solid var(--border);border-radius:8px;padding:12px 14px;font-family:'DM Mono',monospace;font-size:12px;color:var(--text);white-space:pre-line;}
.tip-example .step{color:var(--muted);font-size:11px;}
.tip-example .hl{color:var(--accent);}
.tip-example .hl-b{color:var(--info);}
.tip-example .hl-g{color:var(--success);}
.tip-practice-btn{display:flex;align-items:center;gap:6px;margin-top:14px;padding:9px 14px;background:rgba(232,255,71,.08);border:1px solid rgba(232,255,71,.25);border-radius:8px;color:var(--accent);font-family:'DM Mono',monospace;font-size:11px;letter-spacing:1px;cursor:pointer;transition:all .15s;text-transform:uppercase;width:fit-content;}
.tip-practice-btn:hover{background:rgba(232,255,71,.15);}

/* tip practice screen */
.tip-practice-header{background:linear-gradient(135deg,rgba(232,255,71,.06),rgba(192,132,252,.04));border:1px solid var(--border2);border-radius:12px;padding:16px 18px;margin-bottom:20px;}
.tip-practice-name{font-family:'Bebas Neue',sans-serif;font-size:20px;letter-spacing:1px;color:var(--accent);}
.tip-practice-desc{font-size:12px;color:var(--muted);margin-top:3px;line-height:1.5;}
.tip-mini-score{font-family:'DM Mono',monospace;font-size:12px;color:var(--muted);margin-top:8px;}
.tip-mini-score span{color:var(--accent);}

/* ════════════ ACHIEVEMENTS PAGE ════════════ */
.ach-hero{background:linear-gradient(135deg,rgba(255,165,50,.12) 0%,rgba(232,255,71,.07) 50%,rgba(192,132,252,.06) 100%);border:1px solid rgba(255,165,50,.35);border-radius:16px;padding:26px 22px;margin-bottom:10px;position:relative;overflow:hidden;}
.ach-hero::before{content:'🏅';position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:56px;opacity:.15;}
.ach-hero-title{font-family:'Bebas Neue',sans-serif;font-size:34px;letter-spacing:2px;color:var(--orange);margin-bottom:6px;}
.ach-hero-sub{font-size:13px;color:var(--muted);line-height:1.6;max-width:85%;}
.ach-progress-summary{display:flex;align-items:center;gap:12px;margin-top:12px;}
.ach-progress-bar-wrap{flex:1;height:6px;background:var(--border);border-radius:3px;overflow:hidden;}
.ach-progress-bar-fill{height:100%;border-radius:3px;background:linear-gradient(90deg,var(--orange),var(--accent));transition:width .6s cubic-bezier(.4,0,.2,1);}
.ach-progress-label{font-family:'DM Mono',monospace;font-size:11px;color:var(--muted);white-space:nowrap;}

.ach-section-title{font-family:'Bebas Neue',sans-serif;font-size:18px;letter-spacing:2px;color:var(--muted);margin:20px 0 10px;display:flex;align-items:center;gap:8px;}
.ach-section-title::after{content:'';flex:1;height:1px;background:var(--border);}

.ach-list{display:flex;flex-direction:column;gap:8px;}
.ach-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:14px 16px;display:flex;align-items:center;gap:14px;transition:border-color .2s;}
.ach-card.unlocked{border-color:rgba(255,165,50,.4);background:linear-gradient(135deg,rgba(255,165,50,.06) 0%,var(--surface) 60%);}
.ach-card.locked{opacity:.55;}
.ach-badge{width:44px;height:44px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:22px;flex-shrink:0;background:var(--surface2);border:1px solid var(--border);}
.ach-card.unlocked .ach-badge{background:rgba(255,165,50,.15);border-color:rgba(255,165,50,.4);}
.ach-info{flex:1;min-width:0;}
.ach-name{font-family:'Bebas Neue',sans-serif;font-size:16px;letter-spacing:1px;line-height:1.2;}
.ach-desc{font-family:'DM Mono',monospace;font-size:10px;color:var(--muted);margin-top:3px;line-height:1.4;}
.ach-tier{font-family:'DM Mono',monospace;font-size:9px;text-transform:uppercase;letter-spacing:1.5px;margin-top:4px;}
.ach-tier.bronze{color:#cd7f32;}
.ach-tier.silver{color:#9aa0a6;}
.ach-tier.gold{color:#f9ab00;}
.ach-tier.platinum{color:#47b3ff;}
.ach-tier.diamond{color:var(--accent);}
.ach-right{text-align:right;flex-shrink:0;}
.ach-check{font-size:20px;line-height:1;}
.ach-prog-mini{font-family:'DM Mono',monospace;font-size:10px;color:var(--muted2);margin-top:2px;}
.ach-mini-bar{width:52px;height:4px;background:var(--border);border-radius:2px;margin-top:4px;overflow:hidden;}
.ach-mini-bar-fill{height:100%;border-radius:2px;background:var(--orange);transition:width .4s ease;}

/* achievement unlock toast — top right, away from XP toast at bottom */
.ach-toast{position:fixed;top:20px;right:16px;left:auto;transform:translateY(-20px);background:var(--surface);border:1px solid var(--orange);border-radius:10px;padding:10px 14px;pointer-events:none;opacity:0;transition:opacity .25s,transform .3s;z-index:250;display:flex;align-items:center;gap:10px;white-space:nowrap;max-width:280px;}
.ach-toast.show{opacity:1;transform:translateY(0);}
.ach-toast-icon{font-size:20px;}
.ach-toast-text{font-family:'DM Mono',monospace;font-size:11px;color:var(--text);}
.ach-toast-name{font-family:'Bebas Neue',sans-serif;font-size:15px;letter-spacing:1px;color:var(--orange);}


.stats-hero{background:linear-gradient(135deg,rgba(71,179,255,.1) 0%,rgba(77,255,180,.07) 60%,rgba(192,132,252,.05) 100%);border:1px solid rgba(71,179,255,.3);border-radius:16px;padding:26px 22px;margin-bottom:22px;position:relative;overflow:hidden;}
.stats-hero::before{content:'📊';position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:56px;opacity:.12;}
.stats-hero-title{font-family:'Bebas Neue',sans-serif;font-size:34px;letter-spacing:2px;color:var(--info);margin-bottom:6px;}
.stats-hero-sub{font-size:13px;color:var(--muted);line-height:1.6;max-width:85%;}

.stats-filter{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:10px;}
.stats-filter-btn{padding:7px 14px;background:var(--surface);border:1px solid var(--border);border-radius:20px;color:var(--muted);font-family:'DM Mono',monospace;font-size:11px;letter-spacing:.5px;cursor:pointer;transition:all .15s;text-transform:uppercase;}
.stats-filter-btn.active{background:var(--info);border-color:var(--info);color:#000;font-weight:500;}
/* difficulty filter inside stats — sits below mode filter */
.diff-filter-btn{padding:5px 12px;background:var(--surface2);border:1px solid var(--border);border-radius:20px;color:var(--muted);font-family:'DM Mono',monospace;font-size:10px;letter-spacing:.5px;cursor:pointer;transition:all .15s;text-transform:uppercase;}
.diff-filter-btn.active{background:var(--surface3);border-color:var(--border2);color:var(--text);font-weight:500;}

.stats-section-title{font-family:'Bebas Neue',sans-serif;font-size:18px;letter-spacing:2px;color:var(--muted);margin:20px 0 10px;display:flex;align-items:center;gap:8px;}
.stats-section-title::after{content:'';flex:1;height:1px;background:var(--border);}

.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;}
.stats-grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;}
.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:14px;text-align:center;transition:border-color .2s;}
.stat-card:hover{border-color:var(--border2);}
.stat-val{font-family:'Bebas Neue',sans-serif;font-size:28px;color:var(--text);line-height:1;}
.stat-val.good{color:var(--success);}
.stat-val.warn{color:var(--orange);}
.stat-val.info{color:var(--info);}
.stat-val.accent{color:var(--accent);}
.stat-label{font-family:'DM Mono',monospace;font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:1px;margin-top:5px;}
.stat-sub{font-family:'DM Mono',monospace;font-size:9px;color:var(--muted2);margin-top:3px;}

/* op breakdown bars */
.op-breakdown{display:flex;flex-direction:column;gap:8px;margin-top:4px;}
.op-bar-row{display:flex;align-items:center;gap:0;font-family:'DM Mono',monospace;font-size:11px;}
.op-bar-label{width:96px;min-width:96px;color:var(--muted);text-transform:none;flex-shrink:0;font-size:9px;line-height:1.3;padding-right:10px;}
.op-bar-track{flex:1;height:7px;background:var(--border);border-radius:4px;overflow:hidden;}
.op-bar-fill{height:100%;border-radius:4px;transition:width .4s ease;}
.op-bar-pct{width:36px;min-width:36px;text-align:right;color:var(--text);padding-left:6px;font-family:'DM Mono',monospace;font-size:11px;}

.reset-danger-btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:13px;border-radius:8px;border:1px solid var(--error);background:transparent;color:var(--error);font-family:'Bebas Neue',sans-serif;font-size:18px;letter-spacing:2px;cursor:pointer;transition:all .15s;margin-top:24px;}
.reset-danger-btn:hover{background:var(--error);color:#fff;}

/* modal */
.modal-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.75);z-index:100;align-items:center;justify-content:center;}
.modal-overlay.open{display:flex;}
.modal-box{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:28px;max-width:360px;width:90%;text-align:center;}
.modal-title{font-family:'Bebas Neue',sans-serif;font-size:26px;letter-spacing:2px;margin-bottom:10px;}
.modal-desc{font-size:13px;color:var(--muted);font-family:'DM Mono',monospace;line-height:1.6;margin-bottom:20px;}
.modal-btns{display:flex;gap:10px;}
.modal-btns .btn{margin-top:0;}

/* ════════════ XP / LEVEL PANEL ════════════ */
.xp-panel{margin-top:20px;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:16px 18px;position:relative;overflow:hidden;}
.xp-panel::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 80% 60% at 0% 50%,rgba(232,255,71,.05) 0%,transparent 60%);pointer-events:none;}
.xp-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;}
.xp-left{display:flex;align-items:center;gap:12px;}
.xp-badge{width:48px;height:48px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0;border:2px solid;}
.xp-info{display:flex;flex-direction:column;}
.xp-level-label{font-family:'DM Mono',monospace;font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:1.5px;}
.xp-level-num{font-family:'Bebas Neue',sans-serif;font-size:26px;letter-spacing:2px;line-height:1;}
.xp-title-display{font-family:'Bebas Neue',sans-serif;font-size:15px;letter-spacing:1.5px;}
.xp-right{text-align:right;}
.xp-pts{font-family:'Bebas Neue',sans-serif;font-size:22px;letter-spacing:1px;color:var(--accent);}
.xp-pts-label{font-family:'DM Mono',monospace;font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:1px;}
.xp-bar-wrap{height:6px;background:var(--border);border-radius:3px;overflow:hidden;}
.xp-bar-fill{height:100%;border-radius:3px;background:linear-gradient(90deg,var(--accent),var(--success));transition:width .6s cubic-bezier(.4,0,.2,1);}
.xp-bar-label{display:flex;justify-content:space-between;font-family:'DM Mono',monospace;font-size:10px;color:var(--muted2);margin-top:4px;}

/* XP gain toast */
.xp-toast{position:fixed;bottom:90px;left:50%;transform:translateX(-50%) translateY(20px);background:var(--surface);border:1px solid var(--accent);border-radius:8px;padding:8px 16px;font-family:'Bebas Neue',sans-serif;font-size:18px;letter-spacing:2px;color:var(--accent);pointer-events:none;opacity:0;transition:opacity .2s,transform .3s;z-index:200;white-space:nowrap;}
.xp-toast.show{opacity:1;transform:translateX(-50%) translateY(0);}
@media(max-width:480px){.xp-toast{bottom:auto;transition:opacity .15s;font-size:15px;padding:5px 12px;letter-spacing:1px;border-radius:6px;pointer-events:none;transform:none!important;}}
@media(max-width:480px){.xp-toast.show{opacity:1;transform:none!important;}}
.err-toast{position:fixed;top:20px;left:50%;transform:translateX(-50%) translateY(-8px);background:var(--surface);border:1px solid var(--error);border-radius:8px;padding:10px 18px;font-family:'DM Mono',monospace;font-size:12px;color:var(--error);pointer-events:none;opacity:0;transition:opacity .2s,transform .25s;z-index:999;white-space:nowrap;max-width:90vw;text-align:center;}
.err-toast.show{opacity:1;transform:translateX(-50%) translateY(0);}

/* Level up modal */
.levelup-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.85);z-index:300;align-items:center;justify-content:center;}
.levelup-overlay.open{display:flex;}
.levelup-box{background:var(--bg);border:2px solid var(--accent);border-radius:18px;padding:36px 28px;max-width:340px;width:92%;text-align:center;animation:levelupPop .4s cubic-bezier(.34,1.56,.64,1);}
@keyframes levelupPop{from{transform:scale(.6);opacity:0;}to{transform:scale(1);opacity:1;}}
.levelup-fireworks{font-size:48px;margin-bottom:12px;}
.levelup-label{font-family:'DM Mono',monospace;font-size:11px;text-transform:uppercase;letter-spacing:2px;color:var(--accent);margin-bottom:6px;}
.levelup-num{font-family:'Bebas Neue',sans-serif;font-size:64px;letter-spacing:4px;color:var(--accent);line-height:1;}
.levelup-title-name{font-family:'Bebas Neue',sans-serif;font-size:28px;letter-spacing:3px;margin:8px 0 4px;}
.levelup-title-flavor{font-size:13px;color:var(--muted);font-family:'DM Mono',monospace;line-height:1.6;max-width:260px;margin:0 auto 20px;}

/* Title colors by tier */
.title-novice{color:var(--muted);}
.title-learner{color:var(--text);}
.title-scholar{color:var(--info);}
.title-theorist{color:var(--success);}
.title-arithmetician{color:#e8ff47;}
.title-analyst{color:#ffa532;}
.title-master{color:#ff6b9d;}
.title-prodigy{color:#00e5ff;}
.title-polymath{color:#da22ff;}
.title-logician{color:#a8ff78;}
.title-pythagoras{color:#ff4d6b;}
.title-archimedes{color:#47b3ff;}
.title-newton{color:#ff9f43;}
.title-euler{color:#ee0979;}
.title-ramanujan{color:#c084fc;}
.title-gauss{background:linear-gradient(90deg,#e8ff47,#4dffb4,#47b3ff,#c084fc,#ff6b9d,#ffa532,#e8ff47);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;background-size:200%;animation:gauss-rainbow 4s linear infinite;}
@keyframes gauss-rainbow{0%{background-position:0%}100%{background-position:200%}}

/* ════ BURGER / SIDEBAR ════ */
#burger-fixed{
  position:fixed;top:14px;left:14px;z-index:600;
  width:42px;height:42px;
  background:var(--surface);border:1px solid var(--border);border-radius:10px;
  /* Standaard (Computer): Altijd zichtbaar */
  display:flex; 
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
  cursor:pointer;transition:border-color .2s;
}
#burger-fixed:hover{border-color:var(--border2);}
#burger-fixed span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:all .25s;}

/* Verberg de knop tijdens actieve games (zowel PC als mobiel) */
body.in-game #burger-fixed { display: none !important; }

/* Verberg de knop als de sidebar open schuift */
body.sidebar-open #burger-fixed { display: none !important; }

/* Mobile tweaks */
@media(max-width:479px){
  /* Op mobiel: standaard onzichtbaar */
  #burger-fixed{top:12px;left:12px;display:none;}
  
  /* Op mobiel: ALLEEN zichtbaar als je in het hoofdmenu bent */
  body.on-menu #burger-fixed{display:flex;}
  
  /* Mobile header logica (laat de rest hetzelfde) */
  .lang-bar .lang-btn{display:none;}
  .tagline{display:none;}
  .mobile-header{
    display:flex!important;
    position:fixed;
    top:0;left:0;right:0;
    height:66px;
    z-index:550;
    background:var(--bg);
    border-bottom:1px solid var(--border);
    justify-content:center;
    align-items:center;
    gap:10px;
  }
  #screen-menu{padding-top:74px;}
  .numfly-logo{display:none;}
}
/* Desktop: hide mobile header */
.mobile-header{display:none;}
.sidebar-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.7);z-index:700;backdrop-filter:blur(2px);}
.sidebar-overlay.open{display:block;}
.sidebar{position:fixed;top:0;left:-320px;width:300px;height:100%;background:var(--surface);border-right:1px solid var(--border);z-index:800;transition:left .28s cubic-bezier(.4,0,.2,1);overflow-y:auto;padding:0 0 40px;}
.sidebar.open{left:0;}
.sidebar-header{padding:20px 18px 14px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;}
.sidebar-logo{font-family:'Bebas Neue',sans-serif;font-size:22px;letter-spacing:3px;color:var(--text);}
.sidebar-logo span{color:var(--accent);}
.sidebar-close{background:none;border:none;color:var(--muted);font-size:20px;cursor:pointer;padding:4px 8px;border-radius:6px;}
.sidebar-close:hover{color:var(--text);}
.sidebar-profile{padding:16px 18px;border-bottom:1px solid var(--border);}
.sidebar-avatar{width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:'Bebas Neue',sans-serif;font-size:18px;color:#000;margin-bottom:8px;}
.sidebar-username{font-family:'Bebas Neue',sans-serif;font-size:20px;letter-spacing:1px;}
.sidebar-usersub{font-family:'DM Mono',monospace;font-size:10px;color:var(--muted);margin-top:2px;}
.sidebar-edit-btn{margin-top:10px;padding:7px 14px;background:var(--surface2);border:1px solid var(--border);border-radius:7px;color:var(--muted);font-family:'DM Mono',monospace;font-size:10px;letter-spacing:.5px;cursor:pointer;text-transform:uppercase;transition:all .15s;}
.sidebar-edit-btn:hover{border-color:var(--border2);color:var(--text);}
.sidebar-nav{padding:10px 0;}
.sidebar-item{display:flex;align-items:center;gap:14px;padding:13px 18px;cursor:pointer;transition:background .15s;border:none;background:none;width:100%;text-align:left;color:var(--text);}
.sidebar-item:hover{background:var(--surface2);}
.sidebar-item-icon{font-size:20px;width:28px;text-align:center;flex-shrink:0;}
.sidebar-item-label{font-family:'DM Sans',sans-serif;font-size:14px;font-weight:500;}
.sidebar-item-sub{font-family:'DM Mono',monospace;font-size:10px;color:var(--muted);margin-top:1px;}
.sidebar-divider{height:1px;background:var(--border);margin:6px 18px;}
.sidebar-lang{padding:14px 18px;}
.sidebar-lang-label{font-family:'DM Mono',monospace;font-size:9px;color:var(--text);text-transform:uppercase;letter-spacing:1.5px;margin-bottom:8px;}
.sidebar-lang-row{display:flex;gap:8px;}

/* ════ USERNAME PICKER MODAL ════ */
.username-picker-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.92);z-index:1100;align-items:center;justify-content:center;padding:16px;}
.username-picker-overlay.open{display:flex;}
.username-picker-box{background:var(--surface);border:1px solid var(--border2);border-radius:18px;padding:32px 26px;max-width:360px;width:100%;text-align:center;}
.username-picker-icon{font-size:40px;margin-bottom:12px;}
.username-picker-title{font-family:'Bebas Neue',sans-serif;font-size:26px;letter-spacing:2px;margin-bottom:6px;}
.username-picker-sub{font-family:'DM Mono',monospace;font-size:12px;color:var(--muted);margin-bottom:20px;line-height:1.6;}
.username-picker-error{font-family:'DM Mono',monospace;font-size:11px;color:var(--error);min-height:16px;margin-bottom:8px;}
/* ════ AUTH MODAL ════ */
.auth-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.85);z-index:900;align-items:center;justify-content:center;padding:16px;}
.auth-overlay.open{display:flex;}
.auth-box{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:28px 24px;max-width:380px;width:100%;}
.auth-title{font-family:'Bebas Neue',sans-serif;font-size:28px;letter-spacing:2px;margin-bottom:6px;}
.auth-sub{font-size:13px;color:var(--muted);margin-bottom:20px;font-family:'DM Mono',monospace;}
.auth-tabs{display:flex;gap:8px;margin-bottom:20px;}
.auth-tab{flex:1;padding:9px;background:var(--surface2);border:1px solid var(--border);border-radius:8px;color:var(--muted);font-family:'DM Mono',monospace;font-size:11px;letter-spacing:1px;cursor:pointer;transition:all .15s;text-transform:uppercase;}
.auth-tab.active{background:var(--accent);border-color:var(--accent);color:#000;font-weight:500;}
.auth-field{margin-bottom:14px;}
.auth-field label{display:block;font-family:'DM Mono',monospace;font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:1.5px;margin-bottom:6px;}
.auth-field input{width:100%;background:var(--bg);border:1px solid var(--border);border-radius:8px;color:var(--text);font-family:'DM Mono',monospace;font-size:16px;padding:11px 14px;outline:none;transition:border-color .2s;}
.auth-field input:focus{border-color:var(--accent);}
.auth-pw-wrap{position:relative;display:block;}
.auth-pw-wrap input{padding-right:46px!important;box-sizing:border-box;}
.auth-eye-btn{position:absolute;right:0;top:0;bottom:0;width:42px;background:rgba(232,255,71,.08);border:none;border-left:1px solid var(--border);border-radius:0 8px 8px 0;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s;padding:0;}
.auth-eye-btn:hover{background:rgba(232,255,71,.2);}
.auth-eye-btn svg{width:16px;height:16px;stroke:var(--accent);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;display:block;}
.auth-error{font-family:'DM Mono',monospace;font-size:11px;color:var(--error);margin-bottom:12px;min-height:16px;}
.auth-divider{display:flex;align-items:center;gap:10px;margin:14px 0;color:var(--muted);font-family:'DM Mono',monospace;font-size:10px;text-transform:uppercase;letter-spacing:1px;}
.auth-divider::before,.auth-divider::after{content:'';flex:1;height:1px;background:var(--border);}
.btn-google{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:12px;background:var(--surface2);border:1px solid var(--border);border-radius:8px;color:var(--text);font-family:'DM Mono',monospace;font-size:12px;letter-spacing:1px;cursor:pointer;transition:all .15s;margin-bottom:10px;}
.btn-google:hover{border-color:var(--border2);background:var(--surface3);}
.btn-google svg{width:18px;height:18px;flex-shrink:0;}
.btn-guest{background:transparent;border:none;color:var(--muted);font-family:'DM Mono',monospace;font-size:11px;cursor:pointer;text-decoration:underline;width:100%;text-align:center;padding:8px;}

/* ════ SOCIAL SCREENS ════ */
.social-hero{background:linear-gradient(135deg,rgba(71,179,255,.1),rgba(192,132,252,.07));border:1px solid rgba(71,179,255,.25);border-radius:14px;padding:20px;margin-bottom:18px;}
.social-hero-title{font-family:'Bebas Neue',sans-serif;font-size:28px;letter-spacing:2px;color:var(--info);margin-bottom:4px;}
.social-hero-sub{font-size:12px;color:var(--muted);font-family:'DM Mono',monospace;}
.friend-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:14px 16px;display:flex;align-items:center;gap:14px;margin-bottom:6px;transition:border-color .15s;}
.friend-card:hover{border-color:var(--border2);}
.friend-card.pending{opacity:.7;border-style:dashed;}
.friend-avatar{width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:'Bebas Neue',sans-serif;font-size:17px;color:#000;flex-shrink:0;box-shadow:0 0 0 2px rgba(255,255,255,.06);}
.friend-info{flex:1;min-width:0;}
.friend-name{font-family:'Bebas Neue',sans-serif;font-size:17px;letter-spacing:.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.friend-meta{font-family:'DM Mono',monospace;font-size:10px;color:var(--muted);margin-top:1px;}
.friend-actions{display:flex;gap:6px;align-items:center;}
.friend-btn{padding:6px 12px;border-radius:8px;font-family:'DM Mono',monospace;font-size:10px;letter-spacing:.3px;cursor:pointer;transition:all .15s;border:1px solid;white-space:nowrap;flex-shrink:0;}
.friend-btn.accept{background:rgba(77,255,180,.1);border-color:rgba(77,255,180,.4);color:var(--success);}
.friend-btn.accept:hover{background:rgba(77,255,180,.2);}
.friend-btn.decline,.friend-btn.remove{background:rgba(255,77,107,.08);border-color:rgba(255,77,107,.3);color:var(--error);}
/* Remove button: always icon-only (✕), no text label, on all screen sizes */
.friend-btn.remove .friend-btn-label{display:none!important;}
.friend-btn.remove .friend-btn-icon{display:inline!important;}
.friend-btn.remove{padding:7px 11px!important;}
.friend-btn.decline:hover,.friend-btn.remove:hover{background:rgba(255,77,107,.16);}
.friend-btn-label{display:inline;}
.friend-btn-icon{display:none;}
@media(max-width:400px){
  .friend-btn-label{display:none;}
  .friend-card .friend-actions button{padding:7px 10px !important;font-size:16px !important;line-height:1 !important;min-width:36px !important;text-align:center !important;}
  .friend-btn-icon{display:inline;}
}
.lb-row{display:flex;align-items:center;gap:10px;padding:10px 12px;background:var(--surface);border:1px solid var(--border);border-radius:8px;margin-bottom:6px;}
.lb-row.me{border-color:rgba(232,255,71,.3);background:rgba(232,255,71,.04);}
.lb-rank{font-family:'Bebas Neue',sans-serif;font-size:20px;color:var(--muted);width:28px;text-align:center;flex-shrink:0;}
.lb-rank.gold{color:#f9ab00;}.lb-rank.silver{color:#9aa0a6;}.lb-rank.bronze{color:#cd7f32;}
.lb-avatar{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:'Bebas Neue',sans-serif;font-size:13px;color:#000;flex-shrink:0;}
.lb-title-badge{font-family:'DM Mono',monospace;font-size:9px;letter-spacing:.3px;margin-top:1px;opacity:.85;}
.lb-name{flex:1;font-family:'Bebas Neue',sans-serif;font-size:15px;letter-spacing:.5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.lb-val{font-family:'Bebas Neue',sans-serif;font-size:18px;color:var(--accent);flex-shrink:0;}
.lb-sub{font-family:'DM Mono',monospace;font-size:9px;color:var(--muted);text-align:right;}
.lb-tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:14px;}
.lb-tab{padding:6px 12px;background:var(--surface);border:1px solid var(--border);border-radius:16px;color:var(--muted);font-family:'DM Mono',monospace;font-size:10px;letter-spacing:.5px;cursor:pointer;transition:all .15s;text-transform:uppercase;}
.lb-tab.active{background:var(--info);border-color:var(--info);color:#000;font-weight:500;}
.challenge-banner{background:linear-gradient(135deg,rgba(255,165,50,.12),rgba(232,255,71,.07));border:1px solid rgba(255,165,50,.3);border-radius:12px;padding:16px;margin-bottom:16px;text-align:center;}
.challenge-vs{font-family:'Bebas Neue',sans-serif;font-size:22px;letter-spacing:3px;color:var(--orange);margin-bottom:8px;}
.challenge-scores{display:grid;grid-template-columns:1fr auto 1fr;gap:8px;align-items:center;}
.challenge-score-box{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:12px;text-align:center;}
.challenge-score-box.winner{border-color:rgba(77,255,180,.4);background:rgba(77,255,180,.06);}
.challenge-score-num{font-family:'Bebas Neue',sans-serif;font-size:36px;color:var(--accent);}
.challenge-score-name{font-family:'DM Mono',monospace;font-size:10px;color:var(--muted);margin-top:2px;}
.challenge-link-box{background:var(--surface2);border:1px solid var(--border);border-radius:8px;padding:12px;display:flex;align-items:center;gap:10px;margin:12px 0;}
.challenge-link-url{flex:1;font-family:'DM Mono',monospace;font-size:11px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.challenge-copy-btn{padding:7px 12px;background:var(--accent);border:none;border-radius:6px;color:#000;font-family:'DM Mono',monospace;font-size:10px;cursor:pointer;flex-shrink:0;letter-spacing:.5px;text-transform:uppercase;}
.friend-req-badge{display:inline-flex;align-items:center;justify-content:center;background:var(--error);color:#fff;font-family:'DM Mono',monospace;font-size:10px;font-weight:500;border-radius:10px;min-width:18px;height:18px;padding:0 5px;margin-left:6px;vertical-align:middle;}
.friend-req-section{background:rgba(255,77,107,.06);border:1px solid rgba(255,77,107,.25);border-radius:10px;padding:12px 14px;margin-bottom:16px;}
.friend-req-title{font-family:'Bebas Neue',sans-serif;font-size:16px;letter-spacing:1px;color:var(--error);margin-bottom:10px;display:flex;align-items:center;gap:8px;}
.search-input{flex:1;background:var(--surface);border:1px solid var(--border);border-radius:8px;color:var(--text);font-family:'DM Mono',monospace;font-size:16px;padding:11px 14px;outline:none;transition:border-color .2s;}
.search-input:focus{border-color:var(--accent);}
.search-btn{padding:0 16px;background:var(--accent);border:none;border-radius:8px;color:#000;font-family:'Bebas Neue',sans-serif;font-size:16px;cursor:pointer;}
.spinner{display:inline-block;width:16px;height:16px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite;vertical-align:middle;margin-right:6px;}
@keyframes spin{to{transform:rotate(360deg);}}

/* ════ DAILY CHALLENGE ════ */
.daily-card{background:linear-gradient(135deg,rgba(232,255,71,.1) 0%,rgba(71,179,255,.08) 100%);border:1px solid rgba(232,255,71,.3);border-radius:14px;padding:18px 20px;margin-top:16px;position:relative;cursor:pointer;transition:border-color .2s,transform .15s;}
.daily-card:hover{border-color:rgba(232,255,71,.6);transform:translateY(-1px);}
.daily-card::after{content:'→';position:absolute;right:18px;top:50%;transform:translateY(-50%);color:var(--accent);font-size:20px;}
.daily-card-done{cursor:default;opacity:.8;}
.daily-card-done::after{content:'✓';color:var(--success);}
.daily-badge{display:inline-flex;align-items:center;gap:6px;font-family:'DM Mono',monospace;font-size:10px;text-transform:uppercase;letter-spacing:1.5px;color:var(--accent);margin-bottom:8px;}
.daily-badge-dot{width:7px;height:7px;border-radius:50%;background:var(--accent);animation:dailyPulse 1.5s ease-in-out infinite;}
/* Streak badge — stands out */
.app-footer{text-align:center;padding:28px 16px 100px;font-family:'DM Mono',monospace;font-size:10px;color:var(--muted2);line-height:1.8;}
.app-footer a{color:var(--muted2);text-decoration:none;border-bottom:1px solid var(--border);padding-bottom:1px;}
.app-footer a:hover{color:var(--muted);}
/* ── Streak badge — bold footer pill inside daily card ── */
/* ── Streak badge — professional header tag ── */
.streak-badge{
  display:none;align-items:center;gap:6px;
  padding:4px 10px 3px;border-radius:12px;
  box-shadow:0 2px 10px rgba(0,0,0,.15);
}
.streak-badge-fire{font-size:13px;line-height:1;}
.streak-badge-count{font-family:'Bebas Neue',sans-serif;font-size:16px;line-height:1;letter-spacing:1px;}
.streak-badge-label{font-family:'DM Mono',monospace;font-size:9px;text-transform:uppercase;letter-spacing:1px;opacity:.9;}
/* tier glow on the daily card */
.daily-card.tier-yellow{border-color:rgba(255,200,0,.55)!important;box-shadow:0 0 20px rgba(255,180,0,.15);}
.daily-card.tier-blue  {border-color:rgba(71,179,255,.5)!important; box-shadow:0 0 20px rgba(71,179,255,.15);}
.daily-card.tier-purple{border-color:rgba(192,132,252,.5)!important;box-shadow:0 0 20px rgba(192,132,252,.15);}
.daily-card.tier-crystal{border-color:rgba(77,255,180,.5)!important;box-shadow:0 0 22px rgba(77,255,180,.16);}
.daily-card.tier-crown {border-color:rgba(232,255,71,.6)!important; box-shadow:0 0 26px rgba(232,255,71,.20);}
@keyframes streakPulse{0%,100%{transform:scale(1) translateY(0);}50%{transform:scale(1.1) translateY(-2px);}}
@keyframes dailyPulse{0%,100%{opacity:1;}50%{opacity:.3;}}
.daily-card-done .daily-badge-dot{animation:none;background:var(--success);}
.daily-card-done .daily-badge{color:var(--success);}
.daily-title{font-family:'Bebas Neue',sans-serif;font-size:22px;letter-spacing:2px;color:var(--text);margin-bottom:4px;}
.daily-sub{font-family:'DM Mono',monospace;font-size:11px;color:var(--muted);}
.daily-your-time{font-family:'Bebas Neue',sans-serif;font-size:18px;color:var(--success);margin-top:6px;}

/* Daily challenge game screen */
.daily-hud{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:var(--surface);border:1px solid var(--border);border-radius:8px;margin-bottom:20px;}
.daily-progress{font-family:'Bebas Neue',sans-serif;font-size:28px;letter-spacing:2px;color:var(--accent);}
.daily-timer-live{font-family:'Bebas Neue',sans-serif;font-size:28px;color:var(--text);}
.daily-timer-live.warn{color:var(--error);}

/* Daily leaderboard */
.dc-lb-row{display:flex;align-items:center;gap:10px;padding:10px 12px;background:var(--surface);border:1px solid var(--border);border-radius:8px;margin-bottom:6px;}
.dc-lb-row.me{border-color:rgba(232,255,71,.3);background:rgba(232,255,71,.04);}
.dc-lb-rank{font-family:'Bebas Neue',sans-serif;font-size:20px;color:var(--muted);width:28px;text-align:center;flex-shrink:0;}
.dc-lb-rank.gold{color:#f9ab00;}.dc-lb-rank.silver{color:#9aa0a6;}.dc-lb-rank.bronze{color:#cd7f32;}
.dc-lb-name{flex:1;font-family:'Bebas Neue',sans-serif;font-size:15px;letter-spacing:.5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.dc-lb-time{font-family:'Bebas Neue',sans-serif;font-size:18px;color:var(--accent);flex-shrink:0;}
.dc-tabs{display:flex;gap:6px;margin-bottom:14px;}
.dc-tab{padding:6px 14px;background:var(--surface);border:1px solid var(--border);border-radius:16px;color:var(--muted);font-family:'DM Mono',monospace;font-size:10px;letter-spacing:.5px;cursor:pointer;transition:all .15s;text-transform:uppercase;}
.dc-tab.active{background:var(--accent);border-color:var(--accent);color:#000;font-weight:500;}

/* ════ COMPETITION / CHALLENGE FEATURES ════ */
.comp-banner{background:linear-gradient(135deg,rgba(255,165,50,.12),rgba(232,255,71,.07));border:1px solid rgba(255,165,50,.3);border-radius:12px;padding:16px;margin-bottom:14px;}
.comp-title{font-family:'Bebas Neue',sans-serif;font-size:22px;letter-spacing:2px;color:var(--orange);margin-bottom:4px;}
.comp-sub{font-family:'DM Mono',monospace;font-size:11px;color:var(--muted);}
.comp-row{display:flex;align-items:center;gap:10px;padding:10px 12px;background:var(--surface);border:1px solid var(--border);border-radius:8px;margin-bottom:6px;}
.comp-rank{font-family:'Bebas Neue',sans-serif;font-size:20px;color:var(--muted);width:26px;text-align:center;flex-shrink:0;}
.comp-rank.gold{color:#f9ab00;}.comp-rank.silver{color:#9aa0a6;}.comp-rank.bronze{color:#cd7f32;}
.comp-name{flex:1;font-family:'Bebas Neue',sans-serif;font-size:15px;letter-spacing:.5px;}
.comp-score{font-family:'Bebas Neue',sans-serif;font-size:18px;color:var(--accent);}
.comp-table{width:100%;border-collapse:collapse;font-family:'DM Mono',monospace;font-size:11px;}
.comp-table th{font-size:9px;text-transform:uppercase;letter-spacing:1px;color:var(--muted);font-weight:500;padding:4px 6px;text-align:center;border-bottom:1px solid var(--border);}
.comp-table th:first-child{text-align:left;}
.comp-table td{padding:7px 6px;text-align:center;border-bottom:1px solid var(--border);}
.comp-table td:first-child{text-align:left;display:flex;align-items:center;gap:8px;}
.comp-table tr.me td{background:rgba(232,255,71,.04);}
.comp-table .pts{font-family:'Bebas Neue',sans-serif;font-size:16px;color:var(--accent);}
.comp-pending{font-family:'DM Mono',monospace;font-size:10px;color:var(--muted);font-style:italic;}
.h2h-box{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:14px 16px;margin-bottom:10px;}
.h2h-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;}
.h2h-name{font-family:'Bebas Neue',sans-serif;font-size:16px;letter-spacing:1px;}
.h2h-scores{display:grid;grid-template-columns:1fr auto 1fr;gap:8px;align-items:center;text-align:center;}
.h2h-score-val{font-family:'Bebas Neue',sans-serif;font-size:28px;color:var(--accent);}
.h2h-score-label{font-family:'DM Mono',monospace;font-size:9px;color:var(--muted);text-transform:uppercase;letter-spacing:1px;}
.h2h-vs{font-family:'Bebas Neue',sans-serif;font-size:18px;color:var(--muted);}
.h2h-games{font-family:'DM Mono',monospace;font-size:10px;color:var(--muted2);text-align:center;margin-top:6px;}
.challenge-modal-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.8);z-index:500;align-items:center;justify-content:center;padding:20px;}
.challenge-modal-overlay.open{display:flex;}
.challenge-modal-box{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:24px;max-width:360px;width:100%;}
.challenge-modal-title{font-family:'Bebas Neue',sans-serif;font-size:22px;letter-spacing:2px;margin-bottom:6px;color:var(--orange);}
.challenge-modal-sub{font-family:'DM Mono',monospace;font-size:11px;color:var(--muted);margin-bottom:16px;line-height:1.5;}
.comp-friend-check{display:flex;align-items:center;gap:10px;padding:10px 12px;background:var(--surface2);border:1px solid var(--border);border-radius:8px;margin-bottom:6px;cursor:pointer;}
.comp-friend-check input[type=checkbox]{accent-color:var(--accent);width:16px;height:16px;flex-shrink:0;}
.comp-friend-check-name{font-family:'Bebas Neue',sans-serif;font-size:15px;letter-spacing:.5px;}

.privacy-hero{background:linear-gradient(135deg,rgba(71,179,255,.1),rgba(192,132,252,.07));border:1px solid rgba(71,179,255,.25);border-radius:14px;padding:22px;margin-bottom:22px;}
.privacy-hero-title{font-family:'Bebas Neue',sans-serif;font-size:28px;letter-spacing:2px;color:var(--info);margin-bottom:4px;}
.privacy-hero-sub{font-size:12px;color:var(--muted);font-family:'DM Mono',monospace;}
.privacy-section{margin-bottom:24px;}
.privacy-section-title{font-family:'Bebas Neue',sans-serif;font-size:18px;letter-spacing:1.5px;color:var(--text);margin-bottom:8px;padding-bottom:6px;border-bottom:1px solid var(--border);}
/* ── H2H date: visible on desktop, hidden on mobile ── */
.h2h-date{display:inline;}
@media(max-width:480px){.h2h-date{display:none;}}

.privacy-body{font-size:13px;color:var(--muted);line-height:1.75;font-family:'DM Sans',sans-serif;}
.privacy-body strong{color:var(--text);font-weight:500;}
.privacy-body ul{padding-left:18px;margin-top:6px;}
.privacy-body li{margin-bottom:4px;}
.privacy-body a{color:var(--info);text-decoration:none;}
.privacy-body a:hover{text-decoration:underline;}
/* ── Leaderboard category buttons ── */
.lb-cat-btn{
  padding:7px 12px;background:var(--surface);border:1px solid var(--border);
  border-radius:8px;color:var(--muted);font-family:'DM Mono',monospace;
  font-size:10px;letter-spacing:.5px;text-transform:uppercase;cursor:pointer;
  transition:all .15s;white-space:nowrap;
}
.lb-cat-btn:hover{border-color:var(--border2);color:var(--text);}
.lb-cat-btn.active{background:var(--surface2);border-color:var(--accent);color:var(--accent);}

/* ── Scroll-to-top button ── */
#scroll-top-btn{
  position:fixed;bottom:88px;right:16px;z-index:400;
  width:40px;height:40px;border-radius:50%;
  background:var(--surface);border:1px solid var(--border2);
  color:var(--muted);font-size:18px;
  display:none;align-items:center;justify-content:center;
  cursor:pointer;transition:opacity .2s,border-color .2s,color .2s;
  opacity:0;pointer-events:none;
  box-shadow:0 2px 8px rgba(0,0,0,.3);
}
#scroll-top-btn.visible{display:flex;opacity:1;pointer-events:auto;}
#scroll-top-btn:hover{border-color:var(--accent);color:var(--accent);}
.gdpr-banner{position:fixed;bottom:0;left:0;right:0;background:var(--surface);border-top:1px solid var(--border2);padding:20px 24px;z-index:500;display:none;flex-direction:column;gap:14px;box-shadow:0 -4px 24px rgba(0,0,0,.4);}
.gdpr-banner.show{display:flex;}
@media(min-width:640px){.gdpr-banner{flex-direction:row;align-items:center;gap:20px;}}
.gdpr-body{flex:1;}
.gdpr-title{font-family:'Bebas Neue',sans-serif;font-size:16px;letter-spacing:1.5px;color:var(--text);margin-bottom:5px;}
.gdpr-text{font-family:'DM Sans',sans-serif;font-size:13px;color:var(--muted);line-height:1.6;max-width:640px;}
.gdpr-text a{color:var(--info);text-decoration:none;border-bottom:1px solid rgba(71,179,255,.3);}
.gdpr-text a:hover{border-bottom-color:var(--info);}
.gdpr-btns{display:flex;gap:10px;flex-shrink:0;align-items:center;}
.gdpr-accept{padding:11px 22px;background:var(--accent);border:none;border-radius:8px;color:#000;font-family:'DM Sans',sans-serif;font-size:13px;font-weight:500;cursor:pointer;transition:background .15s;white-space:nowrap;}
.gdpr-accept:hover{background:var(--accent2);}
.gdpr-decline{padding:11px 18px;background:transparent;border:1px solid var(--border2);border-radius:8px;color:var(--muted);font-family:'DM Sans',sans-serif;font-size:13px;cursor:pointer;transition:all .15s;white-space:nowrap;}
.gdpr-decline:hover{border-color:var(--muted);color:var(--text);}

/* ════ EDIT USERNAME MODAL ════ */
.edit-user-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.85);z-index:950;align-items:center;justify-content:center;padding:16px;}
.edit-user-overlay.open{display:flex;}
.edit-user-box{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:28px 24px;max-width:340px;width:100%;}

/* ── Titles Modal ─────────────────────────────────────────────────── */
.titles-modal-overlay { z-index: 200; }
.titles-modal-box {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 16px; padding: 24px 20px; max-width: 540px;
  width: 92%;
}
.titles-modal-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 6px;
}
.titles-modal-title {
  font-family: 'Bebas Neue', sans-serif; font-size: 22px;
  letter-spacing: 2px; color: var(--text);
}
.titles-modal-close {
  background: none; border: none; color: var(--muted); font-size: 16px;
  cursor: pointer; padding: 4px 8px; line-height: 1;
}
.titles-modal-close:hover { color: var(--text); }
.titles-modal-sub {
  font-family: 'DM Mono', monospace; font-size: 11px; color: var(--muted);
  margin-bottom: 16px; line-height: 1.5;
}
.titles-list {
  display: grid; 
  grid-template-columns: repeat(4, minmax(0, 1fr)); 
  gap: 8px;
  max-height: 55vh;
  overflow-y: auto;
  padding-right: 4px; 
}

.titles-item {
  display: flex; flex-direction: column; align-items: center;
  gap: 6px; text-align: center;
  background: rgba(255,255,255,.03); border: 1px solid var(--border);
  border-radius: 12px; padding: 12px 8px; opacity: .4;
  transition: opacity .2s;
}
.titles-item--unlocked { opacity: 1; }
.titles-item--current {
  border-color: var(--accent); background: rgba(232,255,71,.05);
}
.titles-item-badge {
  width: 44px; height: 44px; border-radius: 50%; border: 2px solid;
  display: flex; align-items: center; justify-content: center;
}
.titles-item-info { width: 100%; }
.titles-item-name {
  font-family: 'Bebas Neue', sans-serif; 
  font-size: 14px;
  letter-spacing: 1px; 
  line-height: 1.2;
  word-wrap: break-word;
  overflow-wrap: break-word;
}
.titles-item-flavor { display: none; }
.titles-current-tag {
  display: block; font-family: 'DM Mono', monospace; font-size: 8px;
  color: var(--accent); letter-spacing: .5px; margin-top: 2px;
}
.titles-item-meta {
  display: flex; flex-direction: column; align-items: center; gap: 2px;
}
.titles-check { font-size: 11px; }
.titles-level-badge {
  font-family: 'DM Mono', monospace; font-size: 9px; color: inherit;
}
.titles-item:not(.titles-item--unlocked) .titles-item-meta,
.titles-item:not(.titles-item--unlocked) .titles-level-badge {
  color: #aaa !important;
}
/* ── Campaign ──────────────────────────────────────────────────────── */
.campaign-level-grid {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 20px;
}
.campaign-level-btn {
  aspect-ratio: 1;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
  transition: transform .15s, border-color .15s;
  padding: 4px;
}
.campaign-level-btn.unlocked:hover { transform: translateY(-2px); border-color: var(--accent); }
.campaign-level-btn.completed { border-color: var(--success); background: rgba(0,200,100,.07); }
.campaign-level-btn.locked { opacity: .4; cursor: not-allowed; }
.campaign-level-btn.boss       { border-color: var(--orange); background: rgba(255,160,0,.1); box-shadow: 0 0 12px rgba(255,160,0,.15); }
.campaign-level-btn.time-attack { border-color: rgba(232,255,71,.4); }
.campaign-level-btn.survival    { border-color: rgba(71,179,255,.4); }
.campaign-level-btn.boss.completed { border-color: var(--success); }
.campaign-level-num {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 20px;
  letter-spacing: 1px;
  color: var(--text);
  line-height: 1;
}
.campaign-level-btn.completed .campaign-level-num { color: var(--success); }
.campaign-level-btn.boss .campaign-level-num { color: var(--orange); font-size: 24px; }
.campaign-boss-ring {
  position: absolute;
  inset: -4px;
  border-radius: 13px;
  border: 2px solid var(--orange);
  opacity: 0;
  animation: bossRingPulse 2s ease-in-out infinite;
  pointer-events: none;
}
@keyframes bossRingPulse {
  0%, 100% { opacity: 0; transform: scale(1); }
  50%       { opacity: .6; transform: scale(1.06); }
}
/* Campaign HUD */
.cmp-hud {
  display: flex;
  gap: 8px;
  justify-content: space-between;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 14px;
  margin-bottom: 16px;
}
.cmp-hud-item { display: flex; flex-direction: column; align-items: center; }
.cmp-hud-label { font-family: 'DM Mono', monospace; font-size: 9px; color: var(--muted); text-transform: uppercase; letter-spacing: 1px; }
.cmp-hud-val { font-family: 'Bebas Neue', sans-serif; font-size: 20px; letter-spacing: 1px; line-height: 1.2; }
.cmp-timer { color: var(--accent); }
.cmp-lives { display: flex; gap: 3px; margin-top: 2px; }
.cmp-heart { font-size: 16px; color: var(--error); transition: opacity .2s; }
.cmp-heart.lost { opacity: .2; }

/* ── Campaign intro overlay ───────────────────────────────────────── */
.campaign-intro-overlay {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  animation: cmpIntroIn .25s ease both;
}
.campaign-intro-overlay.boss {
  background: radial-gradient(ellipse at center, rgba(255,160,0,.12) 0%, var(--bg) 70%);
}
.campaign-intro-overlay.out {
  animation: cmpIntroOut .4s ease both;
}
.campaign-intro-box {
  text-align: center;
}
.campaign-intro-level {
  font-family: 'DM Mono', monospace; font-size: 11px;
  color: var(--muted); letter-spacing: 3px; text-transform: uppercase;
  margin-bottom: 8px;
  animation: cmpIntroFade .4s .1s ease both;
}
.campaign-intro-num {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(100px, 28vw, 180px);
  color: var(--accent); line-height: 1; letter-spacing: 4px;
  animation: cmpIntroPop .5s .15s cubic-bezier(.34,1.56,.64,1) both;
}
.campaign-intro-overlay.boss .campaign-intro-num {
  color: var(--orange);
}
.campaign-intro-desc {
  font-family: 'DM Mono', monospace; font-size: 12px;
  color: var(--muted); max-width: 260px; line-height: 1.6;
  margin: 12px auto 0;
  animation: cmpIntroFade .4s .3s ease both;
}
@keyframes cmpIntroIn {
  from { opacity: 0; } to { opacity: 1; }
}
@keyframes cmpIntroOut {
  from { opacity: 1; transform: scale(1); }
  to   { opacity: 0; transform: scale(1.06); }
}
@keyframes cmpIntroPop {
  from { opacity: 0; transform: scale(.6); }
  to   { opacity: 1; transform: scale(1); }
}
@keyframes cmpIntroFade {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Boss level pulse on map ──────────────────────────────────────── */
.campaign-level-btn.boss.unlocked:not(.completed) {
  animation: bossPulse 2s ease-in-out infinite;
}
@keyframes bossPulse {
  0%, 100% { border-color: var(--orange); box-shadow: 0 0 0 0 rgba(255,160,0,0); }
  50%       { border-color: var(--orange); box-shadow: 0 0 0 5px rgba(255,160,0,.2); }
}

/* ── Campaign world headers ────────────────────────────────────────── */
.campaign-world-header {
  grid-column: 1 / -1;
  padding: 14px 2px 6px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.campaign-world-header::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}
.campaign-world-label {
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}
.campaign-world-row {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
}
@media(max-width:400px){
  .campaign-world-row { grid-template-columns: repeat(5, 1fr); }
}

/* ── Per-question countdown bar ────────────────────────────────────── */
.cmp-question-timer-track {
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  margin-bottom: 12px;
  overflow: hidden;
}
#cmp-question-timer-bar {
  height: 100%;
  width: 100%;
  border-radius: 2px;
  background: var(--info);
  transition: width 0.9s linear, background 0.3s;
}
.sidebar-item {
  text-decoration: none;
  color: inherit;
  display: flex;
  align-items: center;
  width: 100%;
  cursor: pointer;
}
/* ════ STATS OP SHOWCASE CARDS ════ */
.op-showcase-card {
  display: flex; align-items: center; gap: 14px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 12px; padding: 16px; position: relative;
  overflow: hidden; transition: transform 0.2s;
}
.op-showcase-card:hover { transform: translateY(-2px); }
.op-showcase-card.best {
  border-color: rgba(77, 255, 180, 0.3);
  background: linear-gradient(135deg, rgba(77,255,180,0.08) 0%, var(--surface) 60%);
}
.op-showcase-card.worst {
  border-color: rgba(255, 77, 107, 0.3);
  background: linear-gradient(135deg, rgba(255,77,107,0.08) 0%, var(--surface) 60%);
}
.op-showcase-icon { font-size: 32px; flex-shrink: 0; filter: drop-shadow(0 2px 8px rgba(0,0,0,0.2)); }
.op-showcase-info { flex: 1; text-align: left; }
.op-showcase-label {
  font-family: 'DM Mono', monospace; font-size: 9px;
  text-transform: uppercase; letter-spacing: 1px; margin-bottom: 2px;
}
.op-showcase-card.best .op-showcase-label { color: var(--success); }
.op-showcase-card.worst .op-showcase-label { color: var(--error); }
.op-showcase-title {
  font-family: 'Bebas Neue', sans-serif; font-size: 24px;
  color: var(--text); letter-spacing: 1px; line-height: 1.1; margin-bottom: 4px;
}
.op-showcase-sub { font-family: 'DM Mono', monospace; font-size: 10px; color: var(--muted); line-height: 1.4; }

/* ─── Mobile Specific Fixes ─── */
@media (max-width: 600px) {
  .titles-list {
    /* Drop to 3 columns on small screens */
    grid-template-columns: repeat(3, minmax(0, 1fr));
    max-height: 50vh; /* Slightly shorter on mobile */
  }
  
  .titles-item-name {
    font-size: 12px; /* Slightly smaller text to prevent ugly line breaks */
  }
}