@import url('https://fonts.googleapis.com/css2?family=Caveat:wght@500;700&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;700&family=Outfit:wght@700;900&display=swap');:root{--bg:#f0fdf4;--grid-color:#d1fae5;--surface:#ffffff;--surface-3:#dcfce7;--border:#09090b;--border-soft:#bbf7d0;--shadow:#09090b;--primary:#4ade80;--primary-dim:#22c55e;--accent:#fbbf24;--red:#ef4444;--text-1:#09090b;--text-2:#52525b;--text-3:#94a3b8;--mono:'JetBrains Mono',monospace;--sans:'Inter',sans-serif;--display:'Outfit',sans-serif;--border-width:3px;--radius:16px;--radius-sm:8px;--transition-base:0.2s ease}*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth}body{background-color:var(--bg);color:var(--text-1);font-family:var(--sans);min-height:100dvh;overflow-x:hidden;background-image:linear-gradient(to right,var(--grid-color) 1px,transparent 1px),linear-gradient(to bottom,var(--grid-color) 1px,transparent 1px);background-size:32px 32px;background-position:center top}#app{display:flex;flex-direction:column;min-height:100dvh;max-width:1200px;margin:0 auto;padding:0 0 env(safe-area-inset-bottom,16px)}.site-header{position:sticky;top:16px;z-index:100;margin:16px auto 32px auto;width:92%;max-width:1000px;background:var(--surface);border:var(--border-width) solid var(--border);border-radius:12px;padding:12px 24px;display:flex;align-items:center;justify-content:space-between;box-shadow:6px 6px 0 var(--shadow)}.logo{font-family:var(--display);font-size:1.5rem;font-weight:900;letter-spacing:-1px;display:flex;align-items:center;gap:8px;color:var(--text-1);text-decoration:none}.logo-box{background:#63b01d;color:var(--surface);padding:4px 8px;border-radius:6px;line-height:1}.nav-links{display:flex;gap:2rem;list-style:none}.nav-links a{font-weight:700;font-family:var(--sans);font-size:14px;color:var(--text-1);text-decoration:none;transition:opacity .2s}.nav-links a:hover{opacity:0.7}.stats-bar{display:flex;align-items:center;gap:12px;background:rgba(128, 237, 28, 0.83);border:var(--border-width) solid var(--border);border-radius:8px;padding:8px 16px;box-shadow:4px 4px 0 var(--shadow)}.stat-chip{display:flex;align-items:center;gap:6px;font-family:var(--mono);font-size:13px;font-weight:700;color:var(--text-1)}#timer-display{min-width:60px}@media (max-width:800px){.nav-links{display:none}.site-header{padding:12px 16px;margin:16px auto 24px auto;width:95%;box-shadow:4px 4px 0 var(--shadow)}}#progress-bar-wrap{height:4px;background:var(--border-soft);width:100%;border-bottom:2px solid var(--border)}#progress-bar{height:100%;width:0%;background:linear-gradient(90deg,var(--primary),#38bdf8);transition:width 0.5s ease}.hero-intro{padding:24px 16px 16px;background:transparent}.hero-text{margin-bottom:20px;text-align:center}.hero-text h1{font-family:var(--display);font-size:28px;font-weight:900;color:var(--text-1);text-transform:uppercase;letter-spacing:-0.5px;margin-bottom:4px}.hero-text p{font-size:14px;color:var(--text-2);font-family:var(--sans)}.info-cards{display:flex;gap:16px;overflow-x:auto;padding-bottom:8px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}.info-card{--card-bg:#ffffff;--card-border:var(--border);flex:0 0 240px;scroll-snap-align:start;background:var(--card-bg);border:var(--border-width) solid var(--card-border);border-radius:var(--radius);padding:16px;box-shadow:4px 4px 0 var(--shadow);display:flex;flex-direction:column;gap:8px}.info-card .card-icon{font-size:24px;line-height:1}.info-card h3{font-family:var(--mono);font-size:14px;font-weight:700;color:var(--text-1);text-transform:uppercase;letter-spacing:0.05em}.info-card p{font-size:13px;color:var(--text-2);line-height:1.5}@media (min-width:768px){.hero-text h1{font-size:36px}.hero-text p{font-size:16px}.info-cards{display:grid;grid-template-columns:repeat(3,1fr);overflow-x:visible;padding-bottom:0;max-width:1000px;margin:0 auto}.info-card{flex:auto;transition:transform 0.2s,box-shadow 0.2s}.info-card:hover{transform:translate(-2px,-2px);box-shadow:6px 6px 0 var(--shadow)}}#deck-section{padding:2rem 5%;width:100%;max-width:1000px;margin:0 auto}.section-label{font-family:var(--mono);font-size:12px;font-weight:700;text-transform:uppercase;color:var(--text-2);margin-bottom:16px}.deck-cards-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}.deck-cards-grid.hidden{display:none}.deck-card{background:var(--surface);border:var(--border-width) solid var(--border);border-radius:var(--radius-sm);padding:16px;cursor:pointer;box-shadow:4px 4px 0 var(--shadow);transition:all .2s;display:flex;flex-direction:column;gap:8px;position:relative}.deck-card:hover{transform:translate(-3px,-3px);box-shadow:7px 7px 0 var(--shadow);background:var(--surface-3)}.dc-icon{font-size:32px;line-height:1}.dc-info h3{font-family:var(--display);font-size:1.1rem;color:var(--text-1);margin-bottom:4px;text-transform:uppercase}.dc-info p{font-size:0.85rem;color:var(--text-2)}.dc-diff{align-self:flex-start;font-family:var(--mono);font-size:10px;font-weight:700;text-transform:uppercase;padding:4px 8px;border:2px solid currentColor;border-radius:4px;margin-top:auto}.dc-diff.easy{color:#15803d;background:#dcfce7}.dc-diff.medium{color:#b45309;background:#fef3c7}.dc-diff.hard{color:#b91c1c;background:#fee2e2}#deck-meta{align-items:center;gap:12px;padding:12px 16px;background:var(--surface);border:2px dashed var(--border);border-radius:var(--radius-sm)}#deck-meta.hidden{display:none}#deck-meta.visible{display:flex}.deck-icon{font-size:28px;line-height:1}.deck-title-block h2{font-family:var(--display);font-size:1.2rem;font-weight:900;text-transform:uppercase}.deck-title-block p{font-family:var(--mono);font-size:0.8rem;color:var(--text-2)}.difficulty-badge{margin-left:auto;font-family:var(--mono);font-size:10px;font-weight:700;text-transform:uppercase;padding:4px 10px;border-radius:4px;border:2px solid currentColor}#loader{display:none;justify-content:center;gap:10px;padding:24px;font-family:var(--mono);font-size:13px;color:var(--text-2)}#loader.visible{display:flex}.spinner{width:20px;height:20px;border:3px solid var(--border-soft);border-top-color:var(--primary-dim);border-radius:50%;animation:spin .6s linear infinite}#error-msg{display:none;background:#fee2e2;border:var(--border-width) solid var(--red);border-radius:var(--radius-sm);padding:12px 16px;color:var(--red);font-weight:bold;margin:16px 5%;box-shadow:4px 4px 0 var(--red)}#error-msg.visible{display:block}#game-area{flex:1;display:flex;flex-direction:column;padding:0 5%;gap:16px;opacity:0;pointer-events:none;transition:opacity .4s ease;max-width:1000px;margin:0 auto;width:100%}#game-area.active{opacity:1;pointer-events:auto}.instruction{font-size:14px;color:var(--text-2);text-align:center;margin-bottom:8px}.game-columns{display:grid;grid-template-columns:1fr;gap:2rem;margin-top:12px}@media (min-width:800px){.game-columns{grid-template-columns:1fr 1fr;align-items:start}}.zone-label{font-family:var(--mono);font-size:12px;font-weight:700;text-transform:uppercase;color:var(--text-2);display:flex;align-items:center;gap:12px;margin-bottom:16px}.zone-label::after{content:'';flex:1;height:2px;background:var(--border);opacity:0.2}#slots-container{display:flex;flex-direction:column;gap:12px}.slot{display:flex;align-items:center;gap:12px;background:var(--surface);border:3px dashed var(--text-3);border-radius:var(--radius-sm);padding:12px 16px;min-height:72px;position:relative}.slot::before{content:attr(data-num);font-family:var(--display);font-size:1.5rem;font-weight:900;color:var(--text-3);min-width:24px;text-align:center}.slot.filled{border-style:solid;border-color:var(--border);background:var(--bg);box-shadow:4px 4px 0 var(--shadow);cursor:pointer}.slot.filled::before{color:var(--text-1)}.slot.filled:hover{transform:translate(-2px,-2px);box-shadow:6px 6px 0 var(--shadow)}.slot.locked{border-style:solid;border-color:var(--primary-dim);background:#dcfce7;box-shadow:4px 4px 0 var(--primary-dim);cursor:default}.slot.locked::before{color:var(--primary-dim)}.slot.locked:hover{transform:none;box-shadow:4px 4px 0 var(--primary-dim)}.slot-content{flex:1;display:flex;flex-direction:column;gap:4px}.slot-event-title{font-size:1.05rem;font-weight:700;color:var(--text-1);line-height:1.3}.slot-event-year{font-family:var(--mono);font-size:0.8rem;color:var(--text-2);font-weight:700}.tap-remove-hint{color:var(--red);font-weight:700;font-family:var(--mono);opacity:0;transition:opacity .2s}.slot.filled:hover .tap-remove-hint{opacity:1}.slot-check{font-family:var(--display);font-size:1.5rem;font-weight:900;color:var(--primary-dim);display:none}.slot.locked .slot-check{display:block}#pool-container{display:flex;flex-direction:column;gap:12px}.event-block{background:var(--surface);border:var(--border-width) solid var(--border);border-radius:12px;padding:14px 16px;cursor:pointer;box-shadow:4px 4px 0 var(--shadow);transition:all .2s;user-select:none}.event-block:hover{background:var(--surface-3);transform:translate(-3px,-3px);box-shadow:7px 7px 0 var(--shadow)}.event-block:active{transform:translate(2px,2px);box-shadow:0 0 0 var(--shadow)}.event-block-inner{display:flex;gap:12px;align-items:flex-start}.event-num{font-family:var(--mono);font-size:11px;font-weight:700;color:var(--text-3);background:var(--border-soft);padding:2px 6px;border-radius:4px;margin-top:2px}.event-title{font-size:1.05rem;font-weight:700;color:var(--text-1);margin-bottom:4px}.event-context{font-size:0.9rem;color:var(--text-2);line-height:1.5;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.empty-pool-msg{font-family:var(--mono);font-size:0.9rem;font-weight:700;color:var(--text-3);text-align:center;padding:40px 16px;border:3px dashed var(--border-soft);border-radius:12px;text-transform:uppercase}.action-area{display:flex;justify-content:center;margin-top:32px;width:100%}.action-area.hidden{display:none}.btn-primary{background:var(--primary);color:var(--text-1);border:var(--border-width) solid var(--border);border-radius:var(--radius-sm);font-family:var(--mono);font-size:14px;font-weight:700;padding:14px 24px;cursor:pointer;text-transform:uppercase;box-shadow:4px 4px 0 var(--shadow);transition:all .2s;text-align:center;display:inline-flex;align-items:center;justify-content:center;gap:8px}.btn-primary:hover:not(:disabled){transform:translate(-3px,-3px);box-shadow:7px 7px 0 var(--shadow)}.btn-primary:active:not(:disabled){transform:translate(2px,2px);box-shadow:0 0 0 var(--shadow)}.btn-primary:disabled{background:var(--border-soft);color:var(--text-3);cursor:not-allowed;box-shadow:2px 2px 0 var(--border-soft);border-color:var(--border-soft)}#check-answer-btn{width:100%;max-width:400px;font-size:16px}.btn-secondary{background:var(--surface);color:var(--text-1);border:var(--border-width) solid var(--border);border-radius:var(--radius-sm);font-family:var(--mono);font-weight:700;font-size:14px;cursor:pointer;text-transform:uppercase;padding:14px 24px;box-shadow:4px 4px 0 var(--shadow);transition:all .2s;flex:1;text-align:center}.btn-secondary:hover{transform:translate(-3px,-3px);box-shadow:7px 7px 0 var(--shadow)}.btn-secondary:active{transform:translate(2px,2px);box-shadow:0 0 0 var(--shadow)}.feedback-area{display:none;flex-direction:column;align-items:center;gap:16px;margin-top:32px;background:#fee2e2;border:var(--border-width) solid var(--red);border-radius:var(--radius-sm);padding:24px;box-shadow:6px 6px 0 var(--red);max-width:500px;margin-left:auto;margin-right:auto;width:100%}.feedback-area.visible{display:flex}.feedback-msg{font-size:1.1rem;font-weight:700;color:var(--red);text-align:center}.feedback-actions{display:flex;gap:12px;width:100%}#win-banner{display:none;flex-direction:column;align-items:center;gap:16px;padding:24px 16px;animation:fadeSlideIn .5s ease-out both;max-width:1000px;margin:2rem auto;width:100%}#win-banner.visible{display:flex}.win-header{text-align:center}.win-emoji{font-size:60px;line-height:1;margin-bottom:8px}.win-title{font-family:var(--display);font-size:26px;font-weight:900;color:var(--text-1);text-transform:uppercase;letter-spacing:-0.5px}.win-time{font-family:var(--mono);font-size:32px;font-weight:700;color:var(--primary-dim);margin:8px 0}.win-subtitle{font-size:14px;color:var(--text-2);font-family:var(--mono)}.crux-box{background:#fffaed;border:var(--border-width) solid var(--border);border-left:5px solid var(--primary-dim);border-radius:4px 12px 12px 4px;padding:16px 20px;width:100%;max-width:600px;box-shadow:4px 4px 0 var(--shadow);background-image:linear-gradient(90deg,transparent 29px,#ef4444 29px,#ef4444 31px,transparent 31px),linear-gradient(#d1fae5 1px,transparent 1px);background-size:100% 1.8rem;line-height:1.8rem}.crux-label{font-size:11px;font-weight:700;letter-spacing:0.14em;text-transform:uppercase;color:var(--primary-dim);margin-bottom:6px;display:flex;align-items:center;gap:5px;font-family:var(--mono)}.crux-text{font-size:14px;color:var(--text-1);padding-left:40px}.win-actions{display:flex;gap:12px;width:100%;max-width:500px;margin-top:16px}.site-footer{padding:0 5% 32px;margin-top:32px;max-width:1000px;margin-left:auto;margin-right:auto;width:100%}.notebook-wrapper{background-color:#fffaed;background-image:linear-gradient(90deg,transparent 39px,#ef4444 39px,#ef4444 41px,transparent 41px),linear-gradient(#d1fae5 1px,transparent 1px);background-size:100% 2rem;line-height:2rem;padding:2rem 1.5rem 2rem 60px;position:relative;border:var(--border-width) solid var(--border);border-radius:4px 16px 16px 4px;box-shadow:6px 6px 0 var(--shadow);color:#0f172a}.notebook-wrapper::before{content:'';position:absolute;top:0;left:0;bottom:0;width:28px;background:repeating-linear-gradient(0deg,var(--border),var(--border) 10px,transparent 10px,transparent 40px);border-right:var(--border-width) solid var(--border);opacity:.08}.notebook-header{font-family:var(--display);font-size:1.4rem;margin-bottom:.75rem;color:var(--text-1);text-transform:uppercase;background-color:#fffaed;display:inline-block;padding:0 8px;line-height:normal}.syllabus-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:0 1.5rem;list-style:none;padding:0}.syllabus-list li{font-family:'Caveat',cursive;font-size:1.5rem;color:#1e3a8a;position:relative;padding-left:1.2rem;line-height:2rem}.syllabus-list li::before{content:'-';position:absolute;left:0;color:#ef4444}.syllabus-list a{text-decoration:none;color:inherit;transition:color .2s}.syllabus-list a:hover{color:#ef4444;text-decoration:underline;text-decoration-style:wavy}.footer-bottom{margin-top:1.5rem;display:flex;justify-content:space-between;align-items:center;font-family:var(--mono);font-size:.8rem;color:#64748b;background-color:#fffaed;padding:0 8px;line-height:normal}#toast{position:fixed;bottom:40px;left:50%;transform:translateX(-50%) translateY(20px);background:var(--text-1);border:var(--border-width) solid var(--border);border-radius:20px;padding:12px 24px;font-size:13px;font-weight:700;color:var(--bg);font-family:var(--mono);text-transform:uppercase;letter-spacing:0.5px;white-space:nowrap;opacity:0;transition:opacity .2s,transform .25s ease;pointer-events:none;z-index:999;box-shadow:4px 4px 0 var(--primary-dim)}#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}@keyframes shake{0%{transform:translateX(0)}20%{transform:translateX(-8px)}40%{transform:translateX(8px)}60%{transform:translateX(-6px)}80%{transform:translateX(6px)}100%{transform:translateX(0)}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes fadeSlideIn{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-soft);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--primary-dim)}
.polity-hero{position:relative;padding:3rem 5% 5rem;max-width:1200px;margin:0 auto;overflow:hidden}.hero-badge{display:inline-block;background:var(--border);color:var(--bg);padding:4px 12px;border-radius:4px;font-size:.8rem;margin-bottom:1.5rem;letter-spacing:2px;font-family:var(--mono);text-transform:uppercase}.polity-hero h1{font-family:var(--display);font-size:clamp(3.5rem,9vw,7rem);line-height:.88;letter-spacing:-4px;margin-bottom:1.5rem;position:relative;z-index:2;text-transform:uppercase;color:var(--text-1)}.stroke-text{-webkit-text-stroke:4px var(--border);color:transparent;display:inline-block}.hero-sub{font-size:1.15rem;color:var(--text-2);max-width:520px;border-left:4px solid var(--primary);padding-left:1rem;margin-bottom:2rem;position:relative;z-index:2}.hero-stats-row{display:flex;align-items:center;gap:1.5rem;margin-bottom:2rem;flex-wrap:wrap;position:relative;z-index:2}.hstat{display:flex;flex-direction:column}.hstat-num{font-family:var(--display);font-size:2.5rem;font-weight:900;line-height:1;letter-spacing:-2px;color:var(--text-1)}.hstat-label{font-size:.8rem;color:var(--text-2);font-weight:600;text-transform:uppercase;letter-spacing:1px;font-family:var(--sans)}.hstat-sep{font-size:2rem;color:var(--text-3)}.btn-hero{font-size:1rem;padding:.75rem 2rem;position:relative;z-index:2;margin-bottom:2rem;text-decoration:none}.hero-tags{display:flex;gap:.6rem;flex-wrap:wrap;position:relative;z-index:2;margin-top:.5rem}.pill{background:var(--primary);color:var(--text-1);border:2px solid var(--border);padding:.2rem .75rem;border-radius:99px;font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.5px;font-family:var(--sans)}.pill-blue{background:#38bdf8}.pill-red{background:#ef4444;color:#fff}.pill-green{background:#22c55e;color:#fff}.hero-art{position:absolute;right:5%;top:50%;transform:translateY(-50%);width:260px;height:260px;display:flex;align-items:center;justify-content:center;pointer-events:none}.art-ring{position:absolute;border-radius:50%;border:3px solid var(--border)}.ring-1{width:260px;height:260px;border-style:dashed;opacity:.25;animation:spin 24s linear infinite}.ring-2{width:180px;height:180px;border-color:var(--primary);opacity:.5;animation:spin 16s linear infinite reverse}.art-center{font-family:var(--display);font-size:1.6rem;font-weight:900;text-align:center;line-height:1.1;z-index:1;background:var(--surface);border:3px solid var(--border);border-radius:12px;padding:.5rem 1rem;box-shadow:4px 4px 0 var(--shadow);color:var(--text-1)}@media (max-width:900px){.polity-hero h1{letter-spacing:-2px}.stroke-text{-webkit-text-stroke-width:3px}.hero-art{display:none}.hero-stats-row{gap:1rem}}@media (max-width:600px){.hstat-sep{display:none}.hero-stats-row{gap:1.5rem}}
.timeline-summary-wrap{width:100%;max-width:600px;margin:16px auto}.ts-label{font-size:12px;font-weight:700;font-family:var(--mono);text-transform:uppercase;color:var(--text-2);margin-bottom:20px;display:flex;align-items:center;gap:8px}.timeline-summary{display:flex;flex-direction:column;gap:16px}.ts-item{display:flex;gap:16px;position:relative}.ts-item::before{content:'';position:absolute;left:15px;top:32px;bottom:-20px;width:2px;background:var(--border-soft);z-index:1}.ts-item:last-child::before{display:none}.ts-dot{width:32px;height:32px;border-radius:50%;background:var(--surface);border:2px solid var(--border);box-shadow:2px 2px 0 var(--border);font-family:var(--mono);font-size:12px;font-weight:bold;color:var(--text-1);display:flex;align-items:center;justify-content:center;z-index:2;flex-shrink:0;position:relative}.ts-content{background:var(--surface);border:2px solid var(--border);border-radius:var(--radius-sm);padding:14px;flex:1;box-shadow:4px 4px 0 var(--shadow)}.ts-year{display:inline-block;font-family:var(--mono);font-size:11px;font-weight:700;background:var(--primary-dim);color:#fff;padding:2px 8px;border-radius:4px;margin-bottom:8px}.ts-content h4{font-family:var(--display);font-size:1.1rem;color:var(--text-1);margin-bottom:6px;line-height:1.2}.ts-content p{font-size:13px;color:var(--text-2);line-height:1.5}.win-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;width:100%;max-width:600px;margin-top:16px}.win-actions button{flex:1 1 auto}