:root{--text:#2f3437;--text-secondary:#787774;--text-heading:#111;--bg:#fbfbfa;--surface:#fff;--border:#eaeaea;--accent:#111;--accent-hover:#333;--correct:#346538;--correct-bg:#edf3ec;--wrong:#9f2f2d;--wrong-bg:#fdebec;--sans:"SF Pro Display", "Geist Sans", "Helvetica Neue", "Helvetica", Arial, sans-serif;--serif:"Instrument Serif", "Playfair Display", "Lyon Text", Georgia, serif;--mono:"Geist Mono", "SF Mono", "JetBrains Mono", ui-monospace, monospace;font:17px/1.6 var(--sans);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}body{background:var(--bg);margin:0;overflow-x:hidden}body:before{content:"";z-index:-1;pointer-events:none;opacity:.55;background:radial-gradient(#1111110d 1px,#0000 1.4px) 8px 8px/22px 22px,url(/greco-wallpaper.svg) 50%/cover 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.home-start{border-radius:10px;width:min(100%,320px);margin-top:0;padding:14px 30px;font-size:1.05rem;box-shadow:0 10px 26px #11111124}.home-footer .creator-toggle{margin-top:0}.home-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:flex-start;padding-bottom:18px;display:flex}.home-brand{align-items:center;gap:11px;display:flex}.brand-mark{flex:none;width:36px;height:36px;display:block}.brand-mark-small{width:30px;height:30px}.home-header .eyebrow{margin:0 0 3px}.home-kicker,.home-record{color:var(--text-secondary);font-family:var(--mono);letter-spacing:.05em;text-transform:uppercase;font-size:10px}.home-record{color:var(--correct)}.gallery-open{border:1px solid var(--border);min-height:40px;color:var(--text-heading);background:var(--surface);font-family:var(--mono);cursor:pointer;border-radius:7px;padding:8px 12px;font-size:11px;transition:border-color .15s,transform .1s}.gallery-open:hover{border-color:var(--text-heading)}.gallery-open:active{transform:scale(.96)}.gallery-open span{color:var(--text-secondary);margin-left:6px}.welcome-block .subtitle{max-width:470px;margin-top:12px}.mode-section{border:1px solid var(--border);background:var(--surface);border-radius:16px;padding:20px;box-shadow:0 12px 30px #1111110a}.section-heading{color:var(--text-secondary);font-family:var(--mono);letter-spacing:.06em;text-transform:uppercase;justify-content:space-between;gap:12px;margin-bottom:12px;font-size:10px;display:flex}.section-heading span:first-child{color:var(--text-heading)}.mode-section .mode-picker{width:100%;margin:0}.creator-section{flex-direction:column;align-items:center;display:flex}.creator-section .mode-creator{margin-top:12px}.home-average{align-self:center;margin-top:22px}.home-start{align-self:center;margin-top:14px}.hero-flags{width:100%;margin:-14px 0 28px;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,#0000,#000 8% 92%,#0000);mask-image:linear-gradient(90deg,#0000,#000 8% 92%,#0000)}.hero-flags-track{gap:10px;width:max-content;padding:6px 0;animation:40s linear infinite hero-flags-scroll;display:flex}.hero-flags:hover .hero-flags-track{animation-play-state:paused}.hero-flag{aspect-ratio:1.5;object-fit:cover;outline-offset:-1px;border-radius:8px;outline:1px solid #11111114;flex:none;width:88px;box-shadow:0 8px 22px #1111111f}@keyframes hero-flags-scroll{0%{transform:translate(0)}to{transform:translate(calc(-50% - 5px))}}.stats-row{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:4px 0 30px;display:grid}.stat-block{border:1px solid var(--border);background:var(--surface);border-radius:12px;flex-direction:column;align-items:center;gap:3px;padding:16px 10px;display:flex}.stat-block .stat-label{letter-spacing:.08em;font-size:10px}.stat-block .stat-value{font-size:24px;font-weight:600}@media (width<=700px){.hero-flags{margin:-10px 0 24px}.hero-flag{width:72px}.stats-row{margin-bottom:24px}}.gallery-screen{max-width:1080px}.gallery-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:flex-start;gap:20px;padding-bottom:22px;display:flex}.gallery-header .eyebrow{margin:0 0 8px}.gallery-title{font-size:clamp(2.2rem,5vw,3.4rem)}.gallery-subtitle{color:var(--text-secondary);margin-top:10px}.gallery-toolbar{align-items:center;gap:10px;padding:20px 0;display:flex}.gallery-search{border:1px solid var(--border);background:var(--surface);border-radius:8px;flex:1;align-items:center;gap:8px;min-height:44px;padding:0 13px;display:flex}.gallery-search span{color:var(--text-secondary);font-size:20px}.gallery-search input{width:100%;color:var(--text-heading);font:inherit;background:0 0;border:0;outline:0}.gallery-toggle{border:1px solid var(--border);min-height:44px;color:var(--text-secondary);background:var(--surface);font-family:var(--mono);cursor:pointer;border-radius:8px;padding:8px 13px;font-size:11px}.gallery-toggle.active{border-color:var(--text-heading);color:var(--text-heading)}.gallery-count{min-width:86px;color:var(--text-secondary);font-family:var(--mono);text-align:right;text-transform:uppercase;font-size:10px}.gallery-filters{flex-wrap:wrap;gap:6px;margin-bottom:16px;display:flex}.gallery-filters button{border:1px solid var(--border);min-height:36px;color:var(--text-secondary);background:var(--surface);font-family:var(--mono);cursor:pointer;border-radius:99px;padding:7px 11px;font-size:10px;transition:border-color .15s,color .15s,transform .1s}.gallery-filters button:hover{color:var(--text-heading);border-color:#c8c8c4}.gallery-filters button:active{transform:scale(.96)}.gallery-filter-count{opacity:.65;font-variant-numeric:tabular-nums;margin-left:3px}.gallery-subfilters{border-top:1px solid var(--border);flex-wrap:wrap;align-items:center;gap:6px;margin:-7px 0 16px;padding:10px 0 0;display:flex}.gallery-subfilters 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img,.gallery-image-button .historical-missing{transition:transform .18s cubic-bezier(.2,0,0,1),filter .18s}.gallery-image-button:hover img{filter:saturate(1.05);transform:scale(1.025)}.gallery-card img{aspect-ratio:1.55;object-fit:cover;border-radius:5px;outline:1px solid #0000000f;width:100%;display:block}.gallery-card .historical-missing{aspect-ratio:1.55;width:100%;color:var(--text-secondary);font-family:var(--mono);letter-spacing:.05em;text-transform:uppercase;background:#f4f4f1;border-radius:5px;justify-content:center;align-items:center;font-size:9px;display:flex}.flag.historical-missing{width:100%;min-height:220px;color:var(--text-secondary);font-family:var(--mono);letter-spacing:.05em;text-transform:uppercase;background:#f4f4f1;border-radius:8px;justify-content:center;align-items:center;font-size:10px;display:flex}.history-flag.historical-missing{min-height:40px;color:var(--text-secondary);font-family:var(--mono);text-transform:uppercase;justify-content:center;align-items:center;font-size:7px;display:inline-flex}.gallery-card span{color:var(--text-heading);text-overflow:ellipsis;white-space:nowrap;margin:8px 2px 2px;font-size:13px;display:block;overflow:hidden}.gallery-card span small{color:var(--text-secondary);font-family:var(--mono);letter-spacing:.03em;text-overflow:ellipsis;text-transform:uppercase;margin-top:3px;font-size:9px;display:block;overflow:hidden}.gallery-empty{color:var(--text-secondary);text-align:center;flex:none;padding:48px 0}.lightbox-open{overflow:hidden}.flag-lightbox{z-index:20;background:#1111119e;place-items:center;padding:24px;animation:.18s both lightbox-in;display:grid;position:fixed;inset:0}.flag-lightbox-panel{background:var(--surface);border-radius:16px;width:min(760px,100%);max-height:min(840px,100vh - 48px);padding:22px;overflow:auto;box-shadow:0 24px 80px #00000047}.flag-lightbox-header,.flag-lightbox-footer{justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.flag-lightbox-header{border-bottom:1px solid var(--border);padding-bottom:18px}.flag-lightbox-header h2{color:var(--text-heading);font-family:var(--serif);margin-top:4px;font-size:clamp(1.5rem,4vw,2.2rem)}.lightbox-close{border:1px solid var(--border);min-width:40px;min-height:40px;color:var(--text-heading);background:var(--surface);cursor:pointer;border-radius:7px;font-size:25px;line-height:1;transition:transform .1s,border-color .15s}.lightbox-close:hover{border-color:var(--text-heading)}.lightbox-close:active{transform:scale(.96)}.flag-lightbox-image{place-items:center;min-height:260px;padding:28px 0;display:grid}.flag-lightbox-image img{object-fit:contain;border-radius:8px;outline:1px solid #0000001a;width:min(680px,100%);max-height:min(60vh,520px);display:block;box-shadow:0 16px 34px #1111111f}.flag-lightbox-footer{border-top:1px solid var(--border);color:var(--text-secondary);font-family:var(--mono);text-transform:uppercase;letter-spacing:.04em;align-items:center;padding-top:18px;font-size:10px}.flag-lightbox-footer .history-action{white-space:nowrap}@keyframes lightbox-in{0%{opacity:0}to{opacity:1}}.topbar{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding-bottom:20px;display:flex}.brand-lockup{align-items:baseline;gap:14px;display:flex}.session-mode{font-family:var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--text-secondary);font-size:11px}.logo{color:var(--text-heading);font-weight:600}.top-metrics{gap:10px;display:flex}.chip{border:1px solid var(--border);background:var(--surface);border-radius:8px;flex-direction:column;align-items:flex-end;padding:6px 14px;display:flex}.chip-highlight{border-color:var(--accent);background:var(--correct-bg)}.chip-label{font-family:var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--text-secondary);font-size:10px}.chip-value{font-family:var(--mono);color:var(--text-heading);font-variant-numeric:tabular-nums;font-size:16px}.chip-highlight .chip-value{color:var(--correct);font-weight:600}.chip-value.low,.chip-value.warn{color:var(--wrong)}.stats{border-bottom:1px solid var(--border);grid-template-columns:repeat(6,1fr);gap:8px;margin-bottom:32px;padding:16px 0;display:grid}.session-progress{padding:16px 0 0}.progress-copy{color:var(--text-secondary);font-family:var(--mono);letter-spacing:.06em;text-transform:uppercase;justify-content:space-between;margin-bottom:8px;font-size:10px;display:flex}.progress-track{background:var(--border);border-radius:99px;height:4px;overflow:hidden}.progress-track span{border-radius:inherit;background:var(--accent);min-width:4px;height:100%;transition:width .3s cubic-bezier(.2,0,0,1);display:block}.stat{flex-direction:column;align-items:center;gap:2px;display:flex}.stat-label{font-family:var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--text-secondary);font-size:10px}.stat-value{font-family:var(--mono);color:var(--text-heading);font-variant-numeric:tabular-nums;font-size:18px}@media (width<=520px){.home-screen{padding-top:22px}.home-header{gap:12px}.home-kicker{max-width:180px;line-height:1.4;display:block}.welcome-block{padding:32px 0 20px}.mode-section{padding:14px}.section-heading{flex-direction:column;align-items:flex-start;gap:4px}.stats{grid-template-columns:repeat(4,1fr)}.topbar{flex-direction:column;align-items:flex-start;gap:16px}.brand-lockup{flex-direction:column;gap:4px}.quiz{margin-top:20px;padding:30px 18px 22px}.progress-copy{gap:12px}.progress-copy span:last-child{text-align:right}.top-metrics{width:100%}.chip{flex:1;padding-inline:8px}.mode-picker{grid-template-columns:1fr}}.reveal{flex-direction:column;align-items:center;gap:4px;margin:-4px 0 12px;display:flex}.reveal-time{font-family:var(--mono);color:var(--text-secondary);font-variant-numeric:tabular-nums;font-size:13px}.reveal-record{font-family:var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--correct);font-size:12px;animation:.5s cubic-bezier(.2,0,0,1) both record-pop}.reveal-record:before{content:"✦";margin-right:6px;animation:.7s ease-out both record-spark;display:inline-block}.timer{font-family:var(--mono);letter-spacing:.03em;color:var(--text-heading);font-variant-numeric:tabular-nums;font-size:20px}.timer-ring{justify-content:center;align-items:center;display:inline-flex;position:relative}.timer-ring svg{width:100%;height:100%;display:block}.timer-ring-center{justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.timer-ring-overlay{position:absolute;inset:0}.timer-ring-overlay svg{width:100%;height:100%}.quiz{background:var(--surface);border-radius:20px;flex-direction:column;flex:1;margin-top:28px;padding:42px 54px 28px;display:flex;box-shadow:0 16px 45px #1111110f,0 1px 2px #1111110a}.flag-wrap{justify-content:center;display:flex}.flag-enter{animation:.42s cubic-bezier(.2,0,0,1) both flag-enter}.flag{border:1px solid var(--border);border-radius:8px;outline:1px solid #0000000f;width:min(360px,78vw);height:auto;box-shadow:0 14px 30px #11111114}.question{text-align:center;margin:32px 0 24px;font-size:1.6rem}.hint-pattern{font-family:var(--mono);letter-spacing:.15em;color:var(--text-heading);font-size:1.4rem}.answer{width:100%;color:var(--text-heading);background:var(--surface);border:1px solid var(--border);border-radius:8px;outline:none;padding:14px 18px;font-size:1.05rem;transition:border-color .15s}.answer:focus{border-color:var(--accent)}.answer-row{justify-content:flex-end;margin-top:10px;display:flex}.submit{border:1px solid var(--accent);color:#fff;background:var(--accent);cursor:pointer;border-radius:7px;min-height:44px;padding:10px 16px;font-size:.9rem;transition:background .15s,transform .1s,opacity .15s}.submit:hover:not(:disabled){background:var(--accent-hover)}.submit:active:not(:disabled){transform:scale(.96)}.submit:disabled{opacity:.35;cursor:default}.submit span{opacity:.68;margin-left:10px}.answer::placeholder{color:#b0afa9}.record-line{font-family:var(--mono);color:var(--text-secondary);margin:4px 0 12px;font-size:14px}.record-line strong{color:var(--text-heading);font-weight:600}.tools{justify-content:center;gap:12px;margin-top:24px;display:flex}.countdown{flex-direction:column;align-items:center;gap:10px;margin:-12px 0 20px;display:flex}.countdown-num{font-family:var(--serif);color:var(--text-heading);font-variant-numeric:tabular-nums;font-size:1.6rem;line-height:1}.countdown-label{font-family:var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--text-secondary);font-size:11px}.tool{background:var(--surface);color:var(--text-heading);border:1px solid var(--border);cursor:pointer;border-radius:6px;padding:10px 18px;font-size:.9rem;transition:border-color .15s,background .15s,opacity .15s}.tool:hover:not(:disabled){border-color:#d0d0d0}.tool:disabled{opacity:.4;cursor:default}.tool-quit{color:var(--wrong)}.tool-note{color:var(--text-secondary)}.tool-key{font-family:var(--mono);color:var(--text-secondary);border:1px solid var(--border);background:var(--bg);vertical-align:1px;border-radius:4px;margin-left:8px;padding:1px 5px;font-size:11px;display:inline-block}.primary{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:6px;margin-top:28px;padding:13px 30px;font-size:1rem;transition:background .15s,transform .1s}.primary:hover{background:var(--accent-hover)}.primary:active{transform:scale(.96)}.welcome-note{color:var(--text-secondary);font-family:var(--mono);letter-spacing:.03em;align-items:center;gap:8px;margin-top:20px;font-size:11px;display:flex}.welcome-note strong{color:var(--text-heading);font-weight:500}.welcome-note-dot{background:var(--correct);border-radius:50%;width:6px;height:6px}.mode-picker{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;width:min(100%,440px);margin:20px 0 4px;display:grid}.mode-card-shell{min-width:0;position:relative}.mode-card-shell .mode-card{width:100%}.mode-delete{width:28px;height:28px;color:var(--text-secondary);cursor:pointer;opacity:.7;background:0 0;border:0;border-radius:50%;font-size:18px;line-height:1;position:absolute;top:6px;right:6px}.mode-delete:hover{color:var(--wrong);background:var(--wrong-bg)}.creator-toggle{min-height:40px;color:var(--text-secondary);font-family:var(--mono);cursor:pointer;background:0 0;border:1px dashed #cfcfca;border-radius:7px;margin-top:10px;padding:8px 14px;font-size:11px;transition:border-color .15s,color .15s,transform .1s}.creator-toggle:hover{border-color:var(--text-heading);color:var(--text-heading)}.creator-toggle:active{transform:scale(.96)}.mode-creator{text-align:left;border:1px solid var(--border);background:var(--surface);border-radius:14px;flex:none;width:min(100%,520px);max-height:min(60svh,520px);margin:12px 18px 18px;padding:18px;overflow-y:auto;box-shadow:0 12px 30px #1111110f}.creator-heading{justify-content:space-between;align-items:flex-start;margin-bottom:16px;display:flex}.creator-heading .eyebrow{margin:0 0 5px;font-size:10px}.creator-heading h2{font-size:1.35rem}.creator-mark{color:var(--correct);font-size:22px}.creator-fields{grid-template-columns:1fr 1fr;gap:10px;display:grid}.creator-field{flex-direction:column;gap:6px;margin-top:10px;display:flex}.creator-field span{color:var(--text-secondary);font-family:var(--mono);text-transform:uppercase;letter-spacing:.06em;font-size:10px}.creator-field input{border:1px solid var(--border);width:100%;min-height:42px;color:var(--text-heading);background:var(--bg);font:inherit;border-radius:7px;outline:none;padding:9px 11px}.creator-field input:focus{border-color:var(--accent)}.creator-submit{width:100%;margin-top:16px}.creator-submit:disabled{opacity:.35;cursor:default}.mode-card{text-align:left;min-height:76px;color:var(--text-heading);background:var(--surface);border:1px solid var(--border);cursor:pointer;border-radius:10px;flex-direction:column;align-items:flex-start;gap:3px;padding:14px 16px;transition:border-color .15s,background .15s,transform .15s;display:flex}.mode-card:hover{border-color:#c8c8c4;transform:translateY(-1px)}.mode-card.selected{border-color:var(--accent);background:var(--text-heading);color:#fff;box-shadow:0 6px 18px #1111111f}.mode-card-title{font-family:var(--serif);font-size:1.2rem}.mode-card-copy{font-family:var(--mono);letter-spacing:.03em;opacity:.68;font-size:10px}@keyframes flag-enter{0%{opacity:0;transform:translateY(8px)scale(.98)}to{opacity:1;transform:translateY(0)scale(1)}}@keyframes record-pop{0%{opacity:0;transform:translateY(4px)scale(.96)}to{opacity:1;transform:translateY(0)scale(1)}}@keyframes record-spark{0%{opacity:0;transform:scale(.25)rotate(-20deg)}to{opacity:1;transform:scale(1)rotate(0)}}.eyebrow{font-family:var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--text-secondary);margin-bottom:16px;font-size:12px}.title{max-width:520px;font-size:3rem}.subtitle{color:var(--text-secondary);max-width:420px;margin:12px 0 8px}.flash{pointer-events:none;opacity:0;z-index:10;position:fixed;inset:0}.flash.flash-hit{animation:.9s ease-out forwards flash-hit}.flash.flash-wrong{animation:.9s ease-out forwards flash-wrong}.flash.flash-skip{animation:.4s ease-out forwards flash-skip}@keyframes flash-hit{0%{opacity:.4;background:#46c66a}to{opacity:0;background:#46c66a}}@keyframes 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div{flex-direction:column;align-items:flex-end;gap:1px;display:flex}.profile-stats strong{color:var(--text-heading);font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:16px}.profile-stats span{color:var(--text-secondary);font-family:var(--mono);text-transform:uppercase;letter-spacing:.04em;font-size:9px}.leaderboard-list{margin:0 18px 18px}.leaderboard-row{border-bottom:1px solid var(--border);min-height:52px;color:var(--text-secondary);font-family:var(--mono);grid-template-columns:36px minmax(0,1fr) 72px 72px 72px;align-items:center;gap:8px;padding:8px 12px;font-size:12px;display:grid}.leaderboard-head{min-height:34px;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.06em;border-bottom-color:var(--border);padding-block:6px;font-size:9px}.leaderboard-row.is-me{background:var(--correct-bg);border-bottom-color:#0000;border-radius:10px;box-shadow:inset 0 0 0 1px #3465382e}.leaderboard-rank{color:var(--text-heading);text-align:center;font-weight:600}.leaderboard-name{min-width:0;color:var(--text-heading);font-family:var(--sans);text-overflow:ellipsis;white-space:nowrap;font-size:13px;overflow:hidden}.leaderboard-name small{color:var(--correct);font-family:var(--mono);text-transform:uppercase;margin-left:6px;font-size:9px}.leaderboard-wins{color:var(--text-heading);font-size:14px;font-weight:600}.leaderboard-row>span:not(.leaderboard-rank):not(.leaderboard-name){text-align:right}@media (width<=480px){.profile-card{flex-wrap:wrap;align-items:flex-start}.profile-stats{border-top:1px solid var(--border);flex:100%;justify-content:space-between;padding-top:10px}.profile-stats div{align-items:flex-start}.leaderboard-row{grid-template-columns:30px minmax(0,1fr) 48px 48px}.leaderboard-row>span:nth-child(5),.leaderboard-head span:nth-child(5){display:none}}