body{font-family:'Nunito',sans-serif;background:#0a0b10;color:#e8eaf2;min-height:100vh}


/* -- HERO -- */
.hero{background:linear-gradient(160deg,#f0fdf4 50%,#dcfce7 100%);border-bottom:3px solid #86efac;overflow:hidden;position:relative}
.hero::before{content:'';position:absolute;inset:0;background-image:radial-gradient(circle at 85% 40%,rgba(34,197,94,.08) 0%,transparent 55%)}
.hero-inner{max-width:1100px;margin:0 auto;padding:40px 24px 44px;display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;position:relative}
.hero-eyebrow{display:inline-flex;align-items:center;gap:6px;font-size:.72rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:#166534;border:1.5px solid #86efac;border-radius:999px;padding:4px 14px;margin-bottom:8px;background:#fff}
.series-label{display:block;font-size:.85rem;font-weight:900;color:#166534;letter-spacing:.04em;margin-bottom:6px;opacity:.85}
.hero h1{font-family:'Press Start 2P',monospace;font-size:clamp(1.3rem,3.5vw,2rem);line-height:1.3;color:#14532d;margin-bottom:10px;text-shadow:2px 2px 0 #bbf7d0}
.hero h1 .accent{color:#16a34a}
.hero h1 .subtitle-h1{display:block;font-family:'Nunito',sans-serif;font-size:clamp(1rem,2.2vw,1.3rem);color:#555;font-weight:900;margin-top:8px;text-shadow:none}
.hero p.lead{font-size:1rem;color:#555;font-weight:600;line-height:1.6;max-width:520px;margin-bottom:20px}
.badge-row{display:flex;flex-wrap:wrap;gap:8px}
.badge{display:inline-flex;align-items:center;gap:5px;font-size:.8rem;font-weight:700;border:1.5px solid #ddd;border-radius:999px;padding:5px 14px;color:#333;background:#fff}
.hero-img{width:170px;height:170px;background:linear-gradient(135deg,#dcfce7,#bbf7d0);border-radius:24px;display:flex;align-items:center;justify-content:center;font-size:5rem;flex-shrink:0;box-shadow:0 6px 30px rgba(22,163,74,.18);border:2.5px solid #86efac;position:relative;overflow:hidden}
.hero-img::after{content:'?';position:absolute;top:8px;right:10px;font-size:1.4rem;animation:sparkle 2s ease-in-out infinite}
@keyframes sparkle{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.7)}}

/* -- PIXEL GRID DETAIL -- */
.pixel-strip{height:8px;background:repeating-linear-gradient(90deg,#22c55e 0,#22c55e 8px,#16a34a 8px,#16a34a 16px);opacity:.3;margin-bottom:0}

/* -- TABS -- */
.tabs{background:#fff;border-bottom:2px solid #e5e5e5}
.tabs-inner{max-width:1100px;margin:0 auto;padding:0 24px;display:flex;gap:4px}
.tab-btn{font-size:.9rem;font-weight:800;padding:14px 20px;border:none;background:none;cursor:pointer;color:#888;border-bottom:3px solid transparent;margin-bottom:-2px;transition:color .15s,border-color .15s;font-family:inherit}
.tab-btn.active{color:#166534;border-bottom-color:#16a34a}
.tab-pane{display:none}
.tab-pane.active{display:block}

/* -- MAIN -- */
.main{max-width:1100px;margin:0 auto;padding:32px 24px 60px}

/* -- PROGRESS -- */
.progress-bar{background:#fff;border:1.5px solid #86efac;border-radius:14px;padding:18px 22px;margin-bottom:28px;box-shadow:0 2px 12px rgba(22,163,74,.07)}
.progress-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.progress-label{font-size:.75rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:#888;display:flex;align-items:center;gap:6px}
.progress-count{font-size:.85rem;font-weight:800;color:#16a34a}
.step-dots{display:flex;gap:8px;flex-wrap:wrap}
.dot{width:36px;height:36px;border-radius:8px;border:2px solid #ddd;display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:900;color:#bbb;cursor:pointer;transition:all .2s;background:#fff;flex-shrink:0;font-family:'Press Start 2P',monospace}
.dot.done{background:#22c55e;border-color:#22c55e;color:#fff}
.dot.current{background:#fff;border-color:#16a34a;color:#16a34a;box-shadow:0 0 0 3px rgba(22,163,74,.15)}
.dot.locked{cursor:default}

/* -- STEP CARDS -- */
.step-card{background:#fff;border:1.5px solid #e4f0e8;border-radius:18px;margin-bottom:16px;overflow:hidden;transition:box-shadow .2s}
.step-card.current{border-color:#16a34a;box-shadow:0 4px 24px rgba(22,163,74,.12)}
.step-card.locked{opacity:.5}
.step-card.done{border-color:#d1fae5}

.step-header{display:flex;align-items:center;gap:14px;padding:18px 22px;cursor:pointer}
.step-num{width:44px;height:44px;border-radius:10px;border:2px solid #e0e0e0;display:flex;align-items:center;justify-content:center;font-size:.8rem;font-weight:900;color:#aaa;flex-shrink:0;background:#fafafa;font-family:'Press Start 2P',monospace}
.step-card.current .step-num{border-color:#16a34a;color:#16a34a;background:#f0fdf4}
.step-card.done .step-num{border-color:#22c55e;color:#22c55e;background:#f0fdf4}
.step-icon-badge{font-size:1.6rem}
.step-title-wrap{flex:1}
.step-tag{font-size:.65rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;border-radius:5px;padding:2px 8px;margin-bottom:3px;display:inline-block}
.tag-new{background:#fef9c3;color:#854d0e}
.tag-current{background:#dcfce7;color:#166534}
.tag-locked{background:#f3f4f6;color:#9ca3af}
.tag-done{background:#dcfce7;color:#166534}
.step-title{font-family:'Press Start 2P',monospace;font-size:.82rem;color:#14532d;line-height:1.5}
.step-card.locked .step-title{color:#aaa}
.step-subtitle{font-size:.82rem;color:#888;font-weight:600;margin-top:4px;font-family:'Nunito',sans-serif}
.step-status{font-size:.78rem;font-weight:700;color:#aaa;margin-left:auto;white-space:nowrap;display:flex;align-items:center;gap:4px}
.step-card.current .step-status{color:#16a34a}

/* -- STEP BODY -- */
.step-body{padding:0 22px 22px;border-top:1px solid #e8f5ec}

.goal-box{background:#f0fdf4;border:1.5px solid #86efac;border-radius:10px;padding:14px 16px;margin:16px 0;display:flex;gap:10px;align-items:flex-start}
.goal-box .goal-icon{font-size:1.4rem;flex-shrink:0}
.goal-box strong{color:#166534;font-weight:800;display:block;font-size:.85rem;margin-bottom:2px}
.goal-box p{font-size:.88rem;color:#555;font-weight:600;line-height:1.5}

.callout{border-radius:10px;padding:14px 16px;margin:12px 0;display:flex;gap:10px;align-items:flex-start;font-size:.88rem;font-weight:600;line-height:1.6}
.callout-icon{font-size:1.3rem;flex-shrink:0;margin-top:1px}
.callout.parent{background:#f5f3ff;border:1px solid #ddd6fe;color:#3b0764}
.callout.tryit{background:#f0fdf4;border:1.5px dashed #4ade80;color:#14532d}

.what-to-do{margin:16px 0 0}
.what-to-do h4{font-size:.9rem;font-weight:900;color:#16a34a;margin-bottom:10px;font-style:italic}
.steps-list{list-style:none;display:flex;flex-direction:column;gap:8px}
.steps-list li{display:flex;gap:12px;align-items:flex-start;font-size:.9rem;font-weight:600;color:#333;line-height:1.5}
.steps-list li .sn{width:22px;height:22px;border-radius:6px;background:#16a34a;color:#fff;font-size:.72rem;font-weight:900;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:1px}

.two-col{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:14px 0}
@media(max-width:600px){.two-col{grid-template-columns:1fr}}
.col-box{background:#fafafa;border:1px solid #eee;border-radius:10px;padding:14px}
.col-box h4{font-size:.8rem;font-weight:800;margin-bottom:6px;display:flex;align-items:center;gap:5px}
.col-box.child h4{color:#166534}
.col-box.parent h4{color:#5b21b6}
.col-box p,.col-box li{font-size:.85rem;font-weight:600;color:#444;line-height:1.6}

/* CODE */
.code-block{background:#0d1117;border-radius:12px;padding:16px 18px;margin:12px 0;font-family:'Courier New',monospace;font-size:.8rem;line-height:1.9;color:#c9d1d9;overflow-x:auto;border:1.5px solid #21262d}
.code-block .cm{color:#8b949e}
.code-block .kw{color:#7ee787}
.code-block .fn{color:#d2a8ff}
.code-block .st{color:#a5d6ff}
.code-block .nu{color:#f0883e}

/* DONE BUTTON */
.done-btn{display:block;width:100%;margin-top:18px;padding:15px;background:#fff;border:2.5px solid #22c55e;border-radius:12px;font-family:'Press Start 2P',monospace;font-size:.75rem;color:#166534;cursor:pointer;transition:background .15s,transform .1s;text-align:center;letter-spacing:.03em;line-height:1.6}
.done-btn:hover{background:#f0fdf4;transform:translateY(-1px)}

/* ABOUT */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:4px}
@media(max-width:600px){.about-grid{grid-template-columns:1fr}}
.about-card{background:#fff;border:1.5px solid #e4f0e8;border-radius:16px;padding:20px}
.about-card h3{font-family:'Press Start 2P',monospace;font-size:.75rem;color:#166534;margin-bottom:10px;display:flex;align-items:center;gap:6px;line-height:1.5}
.about-card p,.about-card li{font-size:.88rem;font-weight:600;color:#444;line-height:1.7}
.about-card ul{margin-left:16px}

/* -- XP BAR -- */
.xp-wrap{max-width:1100px;margin:0 auto;padding:18px 24px 0}
.xp-bar{display:flex;align-items:center;gap:12px;background:#fff;border:1.5px solid #fde68a;border-radius:14px;padding:14px 18px;box-shadow:0 2px 12px rgba(234,179,8,.08)}
.xp-icon{font-size:1.4rem}
.xp-label{font-family:'Press Start 2P',monospace;font-size:.7rem;color:#b45309;min-width:78px}
.xp-track{flex:1;height:10px;background:#f3f4f6;border-radius:5px;overflow:hidden;position:relative;border:1px solid #eee}
.xp-fill{height:100%;background:linear-gradient(90deg,#fbbf24,#f59e0b);border-radius:5px;transition:width .6s cubic-bezier(.22,1,.36,1);width:0%}
.xp-level{font-family:'Press Start 2P',monospace;font-size:.6rem;color:#888;white-space:nowrap}
.xp-streak{display:flex;align-items:center;gap:4px;font-size:.78rem;font-weight:800;color:#aaa;margin-left:8px}
.xp-streak.hot{color:#ea580c}
.xp-streak .fire{font-size:1rem}
@keyframes xp-pop{0%{transform:scale(1)}50%{transform:scale(1.35)}100%{transform:scale(1)}}
.xp-pop{animation:xp-pop .4s ease}
@keyframes xp-toast-in{0%{opacity:0;transform:translateY(8px)}100%{opacity:1;transform:translateY(0)}}
@keyframes xp-toast-out{0%{opacity:1;transform:translateY(0)}100%{opacity:0;transform:translateY(-12px)}}
.xp-toast{position:fixed;bottom:28px;right:28px;background:linear-gradient(135deg,#16a34a,#15803d);border:1px solid #4ade80;padding:12px 20px;border-radius:14px;font-family:'Press Start 2P',monospace;color:#fff;font-size:.72rem;z-index:999;pointer-events:none;animation:xp-toast-in .3s ease forwards;box-shadow:0 6px 20px rgba(22,163,74,.3)}
.xp-toast.out{animation:xp-toast-out .3s ease forwards}
@keyframes levelup{0%{transform:scale(.7);opacity:0}50%{transform:scale(1.1);opacity:1}100%{transform:scale(1);opacity:1}}
.levelup-overlay{position:fixed;inset:0;z-index:1000;display:flex;align-items:center;justify-content:center;background:rgba(20,83,45,.55);backdrop-filter:blur(6px)}
.levelup-card{background:#fff;border:3px solid #22c55e;border-radius:24px;padding:40px 48px;text-align:center;animation:levelup .5s ease forwards;box-shadow:0 12px 48px rgba(22,163,74,.3)}
.levelup-card .lvl-icon{font-size:3rem;margin-bottom:8px}
.levelup-card .lvl-title{font-family:'Press Start 2P',monospace;font-size:1.1rem;color:#16a34a;margin-bottom:8px}
.levelup-card .lvl-sub{font-size:.9rem;color:#666;font-weight:600;margin-bottom:16px}
.levelup-card button{background:#16a34a;color:#fff;font-family:'Press Start 2P',monospace;font-size:.7rem;padding:12px 28px;border-radius:10px;border:none;cursor:pointer;box-shadow:0 3px 0 #0d6b30}

/* -- STEP CARD STATE EXTRAS -- */
.step-card.locked{pointer-events:none}
.step-card.current .step-body,.step-card.done .step-body{display:block}
.step-body.collapsed{display:none!important}

/* -- QUIZ GATE -- */
.quiz-gate{background:#faf5ff;border:1.5px solid #e9d5ff;border-radius:16px;padding:20px 18px;margin-top:20px}
.quiz-gate.passed{border-color:#86efac;background:#f0fdf4}
.quiz-header{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.quiz-icon{font-size:1.4rem}
.quiz-title{font-family:'Press Start 2P',monospace;font-size:.7rem;color:#6b21a8}
.quiz-xp-badge{margin-left:auto;font-family:'Press Start 2P',monospace;font-size:.55rem;color:#b45309;background:#fef9c3;border:1px solid #fde68a;padding:5px 10px;border-radius:8px}
.quiz-question{font-size:.92rem;color:#333;font-weight:600;line-height:1.6;margin-bottom:14px}
.quiz-options{display:flex;flex-direction:column;gap:8px;margin-bottom:14px}
.quiz-opt{display:flex;align-items:center;gap:12px;padding:12px 16px;background:#fff;border:2px solid #eee;border-radius:12px;cursor:pointer;transition:all .18s;font-size:.88rem;color:#333;font-weight:600;user-select:none}
.quiz-opt:hover{border-color:#c4b5fd;background:#faf5ff}
.quiz-opt .opt-letter{width:28px;height:28px;border-radius:8px;background:#f3f4f6;border:2px solid #e5e5e5;display:flex;align-items:center;justify-content:center;font-family:'Press Start 2P',monospace;font-size:.6rem;color:#999;flex-shrink:0;transition:all .18s}
.quiz-opt.selected{border-color:#a855f7;background:#f5f0ff}
.quiz-opt.selected .opt-letter{background:#a855f7;color:#fff;border-color:#a855f7}
.quiz-opt.correct{border-color:#22c55e;background:#f0fdf4}
.quiz-opt.correct .opt-letter{background:#22c55e;color:#fff;border-color:#22c55e}
.quiz-opt.wrong{border-color:#f87171;background:#fef2f2}
.quiz-opt.wrong .opt-letter{background:#f87171;color:#fff;border-color:#f87171}
.quiz-opt.disabled{pointer-events:none;opacity:.6}
.quiz-feedback{font-size:.85rem;font-weight:600;line-height:1.6;padding:12px 14px;border-radius:10px;margin-bottom:12px;display:none}
.quiz-feedback.show{display:flex;gap:8px;align-items:flex-start}
.quiz-feedback.correct{background:#f0fdf4;border:1px solid #86efac;color:#166534}
.quiz-feedback.wrong{background:#fef2f2;border:1px solid #fecaca;color:#b91c1c}
.quiz-feedback .fb-icon{font-size:1.1rem;flex-shrink:0}
.quiz-submit{background:#a855f7;color:#fff;font-family:'Press Start 2P',monospace;font-size:.65rem;padding:12px 22px;border-radius:10px;border:none;cursor:pointer;transition:filter .15s,transform .12s;box-shadow:0 3px 0 #7e22ce;display:none}
.quiz-submit.show{display:inline-flex;align-items:center;gap:8px}
.quiz-submit:hover{filter:brightness(1.08);transform:translateY(-1px)}
.quiz-submit:disabled{opacity:.45;pointer-events:none}
.quiz-next-btn{background:#22c55e;color:#fff;font-family:'Press Start 2P',monospace;font-size:.7rem;padding:14px 24px;border-radius:12px;border:none;cursor:pointer;transition:filter .15s,transform .12s;display:none;width:100%;align-items:center;justify-content:center;gap:8px;box-shadow:0 3px 0 #15803d;margin-top:10px;line-height:1.5}
.quiz-next-btn.show{display:flex}
.quiz-next-btn:hover{filter:brightness(1.08);transform:translateY(-1px)}

/* -- FILL-IN-THE-BLANK CODE CHALLENGE -- */
.code-challenge{background:#0d1117;border:1.5px solid #21262d;border-radius:16px;padding:20px 18px;margin-top:18px}
.code-challenge.passed{border-color:#22c55e}
.cc-header{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.cc-icon{font-size:1.3rem}
.cc-title{font-family:'Press Start 2P',monospace;font-size:.7rem;color:#7ee787}
.cc-xp-badge{margin-left:auto;font-family:'Press Start 2P',monospace;font-size:.55rem;color:#fbbf24;background:rgba(251,191,36,.12);border:1px solid rgba(251,191,36,.3);padding:5px 10px;border-radius:8px}
.cc-prompt{font-size:.86rem;color:#9ca3af;font-weight:600;line-height:1.6;margin-bottom:14px}
.cc-code-area{background:#010409;border:1px solid #21262d;border-radius:12px;padding:16px;margin-bottom:14px;font-family:'Courier New',monospace;font-size:.82rem;line-height:2.1;color:#c9d1d9;white-space:pre-wrap}
.cc-blank{display:inline-block;min-width:90px;background:rgba(126,231,135,.12);border:2px dashed rgba(126,231,135,.45);border-radius:6px;padding:2px 8px;color:#7ee787;font-family:'Courier New',monospace;font-size:.82rem;outline:none;transition:border-color .2s}
.cc-blank:focus{border-color:#7ee787;border-style:solid;background:rgba(126,231,135,.2)}
.cc-blank.correct{border-color:#22c55e;border-style:solid;background:rgba(34,197,94,.2);color:#7ee787}
.cc-blank.wrong{border-color:#f87171;border-style:solid;background:rgba(248,113,113,.15);color:#fca5a5}
.cc-check-btn{background:#238636;color:#fff;font-family:'Press Start 2P',monospace;font-size:.65rem;padding:12px 22px;border-radius:10px;border:none;cursor:pointer;transition:filter .15s,transform .12s;box-shadow:0 3px 0 #196127;display:inline-flex;align-items:center;gap:8px}
.cc-check-btn:hover{filter:brightness(1.1);transform:translateY(-1px)}
.cc-check-btn:disabled{opacity:.45;pointer-events:none}
.cc-feedback{font-size:.85rem;font-weight:600;line-height:1.6;padding:12px 14px;border-radius:10px;margin-top:12px;display:none}
.cc-feedback.show{display:flex;gap:8px;align-items:flex-start}
.cc-feedback.correct{background:rgba(34,197,94,.12);border:1px solid rgba(34,197,94,.4);color:#7ee787}
.cc-feedback.wrong{background:rgba(248,113,113,.12);border:1px solid rgba(248,113,113,.4);color:#fca5a5}
.cc-hint{font-size:.82rem;color:#8b949e;margin-top:10px;display:none;cursor:pointer}
.cc-hint:hover{color:#c9d1d9}
.cc-hint.show{display:block}

/* -- CONCEPT FILL-IN-THE-BLANK -- */
.concept-fill{background:#fffbeb;border:1.5px solid #fde68a;border-radius:16px;padding:20px 18px;margin-top:18px}
.concept-fill.passed{border-color:#86efac;background:#f0fdf4}
.cf-header{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.cf-icon{font-size:1.3rem}
.cf-title{font-family:'Press Start 2P',monospace;font-size:.7rem;color:#b45309}
.cf-xp-badge{margin-left:auto;font-family:'Press Start 2P',monospace;font-size:.55rem;color:#b45309;background:#fef9c3;border:1px solid #fde68a;padding:5px 10px;border-radius:8px}
.cf-sentence{font-size:.92rem;color:#333;font-weight:600;line-height:2.2;margin-bottom:14px}
.cf-blank{display:inline-block;min-width:80px;background:#fef9c3;border:2px dashed #fcd34d;border-radius:6px;padding:2px 8px;color:#92400e;font-family:'Nunito',sans-serif;font-size:.88rem;font-weight:700;outline:none;transition:border-color .2s}
.cf-blank:focus{border-color:#f59e0b;border-style:solid;background:#fef3c7}
.cf-blank.correct{border-color:#22c55e;border-style:solid;background:#dcfce7;color:#166534}
.cf-blank.wrong{border-color:#f87171;border-style:solid;background:#fef2f2;color:#b91c1c}
.cf-check-btn{background:#f59e0b;color:#fff;font-family:'Press Start 2P',monospace;font-size:.65rem;padding:12px 22px;border-radius:10px;border:none;cursor:pointer;transition:filter .15s,transform .12s;box-shadow:0 3px 0 #b45309;display:inline-flex;align-items:center;gap:8px}
.cf-check-btn:hover{filter:brightness(1.08);transform:translateY(-1px)}
.cf-check-btn:disabled{opacity:.45;pointer-events:none}
.cf-feedback{font-size:.85rem;font-weight:600;line-height:1.6;padding:12px 14px;border-radius:10px;margin-top:12px;display:none}
.cf-feedback.show{display:flex;gap:8px;align-items:flex-start}
.cf-feedback.correct{background:#f0fdf4;border:1px solid #86efac;color:#166534}
.cf-feedback.wrong{background:#fef2f2;border:1px solid #fecaca;color:#b91c1c}

/* -- TRUE/FALSE SPEED ROUND -- */
.tf-round{background:#ecfeff;border:1.5px solid #a5f3fc;border-radius:16px;padding:20px 18px;margin-top:18px}
.tf-round.passed{border-color:#86efac;background:#f0fdf4}
.tf-header{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.tf-icon{font-size:1.3rem}
.tf-title{font-family:'Press Start 2P',monospace;font-size:.7rem;color:#0e7490}
.tf-xp-badge{margin-left:auto;font-family:'Press Start 2P',monospace;font-size:.55rem;color:#b45309;background:#fef9c3;border:1px solid #fde68a;padding:5px 10px;border-radius:8px}
.tf-item{display:flex;align-items:center;gap:12px;padding:12px 14px;background:#fff;border:1px solid #e5e5e5;border-radius:12px;margin-bottom:8px;font-size:.88rem;color:#333;font-weight:600;line-height:1.5}
.tf-item .tf-statement{flex:1}
.tf-btns{display:flex;gap:6px;flex-shrink:0}
.tf-btn{padding:7px 14px;border-radius:8px;border:2px solid #e5e5e5;background:#fafafa;font-family:'Press Start 2P',monospace;font-size:.55rem;cursor:pointer;transition:all .18s;color:#999}
.tf-btn:hover{border-color:#67e8f9;color:#0e7490}
.tf-btn.selected{border-color:#06b6d4;color:#0e7490;background:#ecfeff}
.tf-btn.correct-answer{border-color:#22c55e;color:#166534;background:#dcfce7}
.tf-btn.wrong-answer{border-color:#f87171;color:#b91c1c;background:#fef2f2}
.tf-item.answered{pointer-events:none}
.tf-check-btn{background:#06b6d4;color:#fff;font-family:'Press Start 2P',monospace;font-size:.65rem;padding:12px 22px;border-radius:10px;border:none;cursor:pointer;transition:filter .15s,transform .12s;box-shadow:0 3px 0 #0e7490;display:inline-flex;align-items:center;gap:8px;margin-top:6px}
.tf-check-btn:hover{filter:brightness(1.08);transform:translateY(-1px)}
.tf-check-btn:disabled{opacity:.45;pointer-events:none}
.tf-feedback{font-size:.85rem;font-weight:600;line-height:1.6;padding:12px 14px;border-radius:10px;margin-top:12px;display:none}
.tf-feedback.show{display:flex;gap:8px;align-items:flex-start}
.tf-feedback.correct{background:#f0fdf4;border:1px solid #86efac;color:#166534}
.tf-feedback.wrong{background:#fef2f2;border:1px solid #fecaca;color:#b91c1c}

/* -- ORDER THE STEPS -- */
.order-challenge{background:#fdf2f8;border:1.5px solid #fbcfe8;border-radius:16px;padding:20px 18px;margin-top:18px}
.order-challenge.passed{border-color:#86efac;background:#f0fdf4}
.oc-header{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.oc-icon{font-size:1.3rem}
.oc-title{font-family:'Press Start 2P',monospace;font-size:.7rem;color:#be185d}
.oc-xp-badge{margin-left:auto;font-family:'Press Start 2P',monospace;font-size:.55rem;color:#b45309;background:#fef9c3;border:1px solid #fde68a;padding:5px 10px;border-radius:8px}
.oc-prompt{font-size:.86rem;color:#888;font-weight:600;line-height:1.6;margin-bottom:14px}
.oc-items{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}
.oc-item{display:flex;align-items:center;gap:12px;padding:12px 14px;background:#fff;border:2px solid #eee;border-radius:12px;cursor:pointer;transition:all .18s;font-size:.88rem;color:#333;font-weight:600;user-select:none}
.oc-item:hover{border-color:#f9a8d4;background:#fdf2f8}
.oc-item .oc-num{width:26px;height:26px;border-radius:50%;background:#f3f4f6;border:2px solid #e5e5e5;display:flex;align-items:center;justify-content:center;font-family:'Press Start 2P',monospace;font-size:.55rem;color:#999;flex-shrink:0;transition:all .18s}
.oc-item.picked .oc-num{background:#ec4899;border-color:#ec4899;color:#fff}
.oc-item.correct-pos{border-color:#22c55e}
.oc-item.correct-pos .oc-num{background:#22c55e;border-color:#22c55e;color:#fff}
.oc-item.wrong-pos{border-color:#f87171}
.oc-item.wrong-pos .oc-num{background:#f87171;border-color:#f87171;color:#fff}
.oc-check-btn{background:#ec4899;color:#fff;font-family:'Press Start 2P',monospace;font-size:.65rem;padding:12px 22px;border-radius:10px;border:none;cursor:pointer;transition:filter .15s,transform .12s;box-shadow:0 3px 0 #be185d;display:inline-flex;align-items:center;gap:8px}
.oc-check-btn:hover{filter:brightness(1.08);transform:translateY(-1px)}
.oc-check-btn:disabled{opacity:.45;pointer-events:none}
.oc-reset-btn{background:#f3f4f6;border:1px solid #e5e5e5;color:#999;font-family:'Press Start 2P',monospace;font-size:.55rem;padding:10px 16px;border-radius:8px;cursor:pointer;transition:all .15s;margin-left:8px}
.oc-reset-btn:hover{color:#666;border-color:#ccc}
.oc-feedback{font-size:.85rem;font-weight:600;line-height:1.6;padding:12px 14px;border-radius:10px;margin-top:12px;display:none}
.oc-feedback.show{display:flex;gap:8px;align-items:flex-start}
.oc-feedback.correct{background:#f0fdf4;border:1px solid #86efac;color:#166534}
.oc-feedback.wrong{background:#fef2f2;border:1px solid #fecaca;color:#b91c1c}

/* -- PREDICT WHAT HAPPENS -- */
.predict-challenge{background:#eff6ff;border:1.5px solid #bfdbfe;border-radius:16px;padding:20px 18px;margin-top:18px}
.predict-challenge.passed{border-color:#86efac;background:#f0fdf4}
.pc-header{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.pc-icon{font-size:1.3rem}
.pc-title{font-family:'Press Start 2P',monospace;font-size:.7rem;color:#1d4ed8}
.pc-xp-badge{margin-left:auto;font-family:'Press Start 2P',monospace;font-size:.55rem;color:#b45309;background:#fef9c3;border:1px solid #fde68a;padding:5px 10px;border-radius:8px}
.pc-scenario{font-size:.86rem;color:#555;font-weight:600;line-height:1.7;margin-bottom:14px;padding:14px;background:#fff;border:1px solid #dbeafe;border-radius:10px}
.pc-scenario strong{color:#1e3a8a}

/* -- FINISH -- */
.finish-banner{display:none;background:linear-gradient(135deg,#dcfce7,#f0fdf4);border:2px solid #86efac;border-radius:20px;padding:32px;text-align:center;margin:24px 0}
.finish-banner.show{display:block}
.finish-title{font-family:'Press Start 2P',monospace;font-size:1.1rem;color:#16a34a;margin-bottom:12px;line-height:1.5}
.finish-sub{font-size:.95rem;color:#555;font-weight:600;line-height:1.6;max-width:520px;margin:0 auto 20px}
.confetti-row{font-size:1.8rem;letter-spacing:.2em;margin-bottom:16px}
.next-ep-btn{display:inline-flex;align-items:center;gap:8px;background:#16a34a;color:#fff;font-family:'Press Start 2P',monospace;font-size:.7rem;padding:14px 28px;border-radius:12px;box-shadow:0 4px 0 #0d6b30;text-decoration:none;transition:filter .15s,transform .12s}
.next-ep-btn:hover{filter:brightness(1.08);transform:translateY(-2px)}
.final-stats{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin:18px 0}
.final-stat{background:#fff;border:1.5px solid #d1fae5;border-radius:12px;padding:14px 20px;text-align:center;min-width:100px}
.final-stat .stat-val{font-family:'Press Start 2P',monospace;font-size:1rem;color:#16a34a}
.final-stat .stat-label{font-size:.72rem;font-weight:800;color:#999;text-transform:uppercase;letter-spacing:.08em;margin-top:6px}

/* FOOTER */
.footer-brand{display:flex;flex-direction:column;gap:6px;}

@media(max-width:680px){
  .hero-inner{grid-template-columns:1fr}
  .hero-img{display:none}
}
.skip-link{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}.skip-link:focus{left:50%;transform:translateX(-50%);top:8px;width:auto;height:auto;padding:10px 20px;background:#BC4749;color:white;font-weight:700;font-size:.9rem;border-radius:8px;z-index:9999;text-decoration:none;white-space:nowrap}
/* mobile-nav cascade fix */
.reveal{opacity:1!important;transform:none!important}