:root{color-scheme:light;--bg:#f5f7fb;--surface:#fff;--surface-alt:#eef1f7;--border:#e2e8f0;--text:#0f172a;--muted:#556079;--primary:#2563eb;--primary-dark:#1d4ed8;--gradient-start:#3b82f6;--gradient-end:#8b5cf6}*,:after,:before{box-sizing:border-box}body,html{padding:0;margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background-color:var(--bg);color:var(--text)}a{color:inherit;text-decoration:none}.global-header{position:-webkit-sticky;position:sticky;top:0;z-index:40;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:rgba(245,247,251,.85);border-bottom:1px solid rgba(226,232,240,.8);display:flex;justify-content:center}.brand-wrapper{display:inline-flex;align-items:center;gap:.75rem;max-width:1200px;margin:0 auto;padding:1rem 1.5rem}.brand-subtitle{margin:0;font-size:.75rem;color:var(--muted)}@media (max-width:900px){.global-nav{flex-direction:column;align-items:stretch}.global-nav nav,.nav-cta{justify-content:center}}p{margin:0;line-height:1.6;color:var(--muted)}.page-wrapper{position:relative;min-height:100vh;overflow:hidden}.gradient-glow{position:absolute;inset:0;background:radial-gradient(circle at 20% 20%,rgba(59,130,246,.25),transparent 40%),radial-gradient(circle at 80% 0,rgba(139,92,246,.2),transparent 35%);pointer-events:none;filter:blur(60px);opacity:.6}.content-shell{position:relative;max-width:1140px;margin:0 auto;padding:2rem 1.5rem 4rem}.top-nav{justify-content:space-between;flex-wrap:wrap;gap:1rem;padding:1rem 1.5rem;background:var(--surface);border-radius:9999px;border:1px solid var(--border);box-shadow:0 20px 45px rgba(15,23,42,.05);margin-bottom:3rem}.brand,.top-nav{display:flex;align-items:center}.brand{gap:.75rem}.brand-icon{width:42px;height:42px;display:grid;place-items:center;font-size:1.25rem;border-radius:12px;background:linear-gradient(135deg,var(--gradient-start),var(--gradient-end));color:#fff}.brand-label{font-weight:600;color:var(--text)}.nav-links{display:flex;gap:1.5rem;font-weight:500;color:var(--muted)}.nav-links a:hover{color:var(--text)}.nav-actions{display:flex;gap:.75rem}.btn,.nav-actions{align-items:center}.btn{border:none;border-radius:9999px;font-weight:600;padding:.85rem 1.75rem;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;font-size:.95rem;display:inline-flex;justify-content:center;gap:.35rem}.btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.btn.primary{background:linear-gradient(135deg,var(--gradient-start),var(--gradient-end));color:#fff;box-shadow:0 20px 35px rgba(59,130,246,.35)}.btn.small{padding:.6rem 1.25rem;font-size:.85rem}.btn.primary.white{background:#fff;color:var(--primary-dark);box-shadow:none}.btn.secondary{background:#e2e8f0;color:var(--text)}.btn.ghost{background:transparent;color:var(--text)}.btn.outline{border:1px solid var(--border);background:var(--surface);color:var(--primary-dark)}.btn.tertiary{background:rgba(37,99,235,.1);color:var(--primary-dark);padding:.65rem 1.25rem}.btn.search{background:linear-gradient(135deg,var(--gradient-start),var(--gradient-end));color:#fff;padding-inline:1.5rem}.btn:hover{transform:translateY(-1px)}.hero{text-align:center;margin-bottom:4rem;display:grid;grid-gap:1.25rem;gap:1.25rem}.hero h1{font-size:clamp(2.4rem,5vw,3.5rem);margin:0;color:#0b1220}.hero-badge{font-size:.85rem;font-weight:600;color:var(--primary-dark);background:rgba(37,99,235,.1);padding:.5rem 1.25rem;border-radius:9999px;display:inline-flex;justify-content:center}.hero-subtitle{font-size:1.05rem;max-width:560px;margin:0 auto}.search-bar{display:flex;align-items:center;gap:.75rem;background:var(--surface);padding:.4rem .4rem .4rem 1rem;border-radius:9999px;border:1px solid var(--border);max-width:520px;margin:0 auto}.search-bar svg{width:22px;height:22px;color:var(--muted)}.search-bar input{border:none;flex:1 1;font-size:1rem;background:transparent;outline:none;color:var(--text)}.hero-actions{display:flex;justify-content:center;gap:1rem;flex-wrap:wrap}.categories-section{margin-bottom:4rem;text-align:center}.categories-section h2{font-size:2rem;margin-bottom:1.5rem}.categories-grid-wrapper{max-height:520px;overflow-y:auto;padding-right:.25rem;margin-bottom:1.5rem}.categories-grid-wrapper::-webkit-scrollbar{width:6px}.categories-grid-wrapper::-webkit-scrollbar-thumb{background:rgba(15,23,42,.2);border-radius:999px}.categories-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));grid-gap:1.25rem;gap:1.25rem}.categories-grid .full-row{grid-column:1/-1;margin:.75rem 0 0}.category-card{background:var(--surface);border-radius:1.25rem;padding:1.5rem;border:1px solid var(--border);display:grid;grid-gap:.75rem;gap:.75rem;align-content:start;text-align:left;box-shadow:0 15px 30px rgba(15,23,42,.04);cursor:pointer;transition:transform .2s ease,box-shadow .2s ease}.category-card:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.category-card:hover{transform:translateY(-4px);box-shadow:0 20px 35px rgba(15,23,42,.08)}.category-card.placeholder{visibility:hidden;pointer-events:none}.icon-circle{width:48px;height:48px;border-radius:14px;background:rgba(37,99,235,.08);display:grid;place-items:center;font-size:1.5rem}.icon-circle.subtle{background:rgba(15,23,42,.05)}.category-card h3{margin:0;font-size:1.15rem}.see-all-link{margin-top:1.5rem;color:var(--primary-dark)}.see-all-button,.see-all-link{display:inline-flex;font-weight:600}.see-all-button{margin:0 auto}.why-section{background:var(--surface);padding:3rem;border-radius:2rem;border:1px solid var(--border);box-shadow:0 25px 50px rgba(15,23,42,.05);margin-bottom:4rem}.why-section h2{margin-top:0;margin-bottom:.75rem}.section-lead{margin-bottom:2rem}.why-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));grid-gap:1.5rem;gap:1.5rem}.why-card{display:flex;gap:1rem;padding:1.25rem;border-radius:1.25rem;background:var(--surface-alt)}.cta-section{margin-bottom:4rem}.cta-card{border-radius:2rem;padding:2.75rem;background:linear-gradient(120deg,#2563eb,#7c3aed);color:#fff;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1.5rem;box-shadow:0 35px 60px rgba(37,99,235,.35)}.cta-card h2{margin:.5rem 0;color:#fff}.cta-card p{color:hsla(0,0%,100%,.9)}.site-footer{padding-top:3rem}.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));grid-gap:1.5rem;gap:1.5rem;padding:2rem 0;border-top:1px solid var(--border)}.footer-heading{font-weight:600;margin-bottom:.75rem;color:var(--text)}.footer-grid ul{list-style:none;padding:0;margin:0;display:grid;grid-gap:.5rem;gap:.5rem}.footer-grid a{color:var(--muted)}.footer-grid a:hover{color:var(--primary-dark)}.footer-bottom{text-align:center;font-size:.9rem;color:var(--muted);padding-bottom:1rem}.error-text{color:#ef4444;font-weight:600;margin-bottom:1rem}.solve-page{width:min(1024px,100%);margin:0 auto;padding:2rem 1.5rem 5rem;display:grid;grid-gap:1.5rem;gap:1.5rem}.solve-top-bar{display:none}.solve-page.modern{gap:2rem}.solve-info{display:flex;align-items:center;gap:.5rem;font-weight:600}.icon-button{border:none;background:#f1f5f9;border-radius:9999px;width:36px;height:36px;display:grid;place-items:center;font-size:1rem;cursor:pointer;transition:background .2s ease}.icon-button.active{background:rgba(37,99,235,.15);color:var(--primary-dark)}.icon-button:hover:not(:disabled){background:#e2e8f0}.solve-card{background:var(--surface);border-radius:1.5rem;border:1px solid var(--border);padding:1.75rem;box-shadow:0 25px 45px rgba(15,23,42,.05)}.solve-card h1{margin-top:0;margin-bottom:.5rem;font-size:1.4rem}.solve-options{display:grid;grid-gap:.75rem;gap:.75rem}.choice{border:1px solid var(--border);border-radius:1.25rem;padding:.9rem 1rem;background:var(--surface);display:flex;align-items:center;gap:.75rem;cursor:pointer;transition:border-color .2s ease,background .2s ease,transform .2s ease}.choice:focus-visible{outline:2px solid var(--primary);outline-offset:3px}.choice:hover{border-color:var(--primary);transform:translateY(-1px)}.choice.selected{border-color:var(--primary);background:rgba(37,99,235,.08)}.choice.correct{border-color:#10b981;background:rgba(16,185,129,.12)}.choice.incorrect{border-color:#ef4444;background:rgba(239,68,68,.12)}.choice-bullet{width:18px;height:18px;border-radius:50%;border:2px solid #cbd5f5}.choice-bullet.selected{background:var(--primary);border-color:var(--primary)}.choice-bullet.correct{background:#10b981;border-color:#10b981}.choice-text{flex:1 1;color:var(--text)}.choice-text.eliminated{color:#94a3b8;text-decoration:line-through}.choice-text.correct,.choice-text.selected{color:var(--text);text-decoration:none}.eliminate-btn{border:1px solid var(--border);background:#fff;border-radius:50%;width:32px;height:32px;cursor:pointer;font-size:1rem;color:var(--muted);transition:background .2s ease,color .2s ease}.eliminate-btn:hover:not(:disabled){background:#f1f5f9;color:var(--text)}.eliminate-btn:disabled{opacity:.6;cursor:not-allowed}.reveal-btn{border:none;width:100%;padding:.95rem;border-radius:9999px;background:rgba(99,102,241,.15);color:var(--primary-dark);font-weight:600;cursor:pointer;transition:opacity .2s ease}.reveal-btn:disabled{opacity:.4;cursor:not-allowed}.explanation-panel{background:var(--surface);border-radius:1.25rem;border:1px solid var(--border);padding:1.25rem;box-shadow:inset 0 1px 0 rgba(15,23,42,.04)}.solve-actions{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:.75rem}.keyboard-hint{text-align:center;color:var(--muted);font-size:.9rem}.deneme-list-page{max-width:1140px;margin:0 auto;padding:2.5rem 1.5rem 4rem;display:grid;grid-gap:1.5rem;gap:1.5rem}.deneme-header{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem}.deneme-sort-select{border-radius:9999px;border:1px solid var(--border);padding:.65rem 1rem;background:var(--surface);font-weight:600}.deneme-filters{display:grid;grid-gap:.75rem;gap:.75rem}.tab-switch{display:flex;gap:.75rem;margin-bottom:1rem;border-bottom:1px solid var(--border);padding-bottom:.75rem}.tab-button{border:none;background:transparent;font-weight:600;font-size:1rem;padding:.35rem .75rem;border-radius:9999px;color:var(--muted);cursor:pointer}.tab-button.active{background:rgba(37,99,235,.1);color:var(--primary-dark)}.pill-group{display:flex;flex-wrap:wrap;gap:.5rem}.pill{border:1px solid var(--border);border-radius:9999px;padding:.45rem 1.15rem;background:var(--surface);font-weight:600;cursor:pointer}.pill.active,.pill.pill-active{border-color:var(--primary);color:var(--primary-dark);background:rgba(37,99,235,.1)}.deneme-layout{display:grid;grid-template-columns:minmax(0,3fr) minmax(260px,1fr);grid-gap:1.5rem;gap:1.5rem}.deneme-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));grid-gap:1.25rem;gap:1.25rem}.deneme-card{background:var(--surface);border-radius:1.5rem;border:1px solid var(--border);padding:1.5rem;display:grid;grid-gap:1rem;gap:1rem;box-shadow:0 25px 45px rgba(15,23,42,.05)}.deneme-card-title{font-weight:600;margin:0}.badge-row{display:flex;gap:.35rem}.badge.subtle{background:rgba(15,23,42,.05);color:var(--text)}.badge.tone{background:rgba(59,130,246,.15);color:var(--primary-dark)}.deneme-meta{list-style:none;padding:0;margin:0;display:grid;grid-gap:.4rem;gap:.4rem;color:var(--muted);font-size:.95rem}.btn.full{width:100%;justify-content:center}.deneme-stats-trigger{border:none;background:none;color:var(--primary-dark);cursor:pointer;font-weight:600;padding:.25rem .6rem;border-radius:9999px;border:1px dashed rgba(37,99,235,.4);display:inline-flex;align-items:center;gap:.25rem}.deneme-stats-trigger:hover{background:rgba(37,99,235,.1);text-decoration:none}.deneme-overview{background:var(--surface);border-radius:1.5rem;border:1px solid var(--border);padding:1.75rem;display:grid;grid-gap:1rem;gap:1rem;align-self:start}.deneme-overview ul{list-style:none;padding:0;margin:0;display:grid;grid-gap:.75rem;gap:.75rem}.deneme-overview li{display:flex;justify-content:space-between;font-weight:600;color:var(--text)}.deneme-overview span{color:var(--muted);font-weight:500}.deneme-tip{background:rgba(59,130,246,.08);border-radius:1rem;padding:1rem}.test-page{max-width:1200px;margin:0 auto;padding:2rem 1.5rem 4rem;display:grid;grid-gap:1.5rem;gap:1.5rem}.test-header{background:var(--surface);border:1px solid var(--border);border-radius:1.5rem;padding:1.5rem;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));grid-gap:1.5rem;gap:1.5rem;align-items:center;box-shadow:0 25px 45px rgba(15,23,42,.05)}.test-info{display:flex;gap:1rem;align-items:center}.test-flag{width:48px;height:48px;border-radius:50%;display:grid;place-items:center;background:rgba(37,99,235,.1);font-size:1.4rem}.test-title{margin:0;font-weight:600;color:var(--text)}.test-subtitle{margin:0;font-size:.95rem}.test-timer span{display:block;font-weight:600;color:var(--muted);margin-bottom:.5rem}.timer-display{display:flex;align-items:center;gap:.75rem;background:#f8fafc;border-radius:9999px;padding:.5rem 1rem;border:1px solid var(--border);width:max-content}.timer-display div{display:flex;flex-direction:column;align-items:center;min-width:52px}.timer-display span{color:var(--text);font-size:1.25rem}.timer-display small{color:var(--muted);font-size:.7rem}.timer-separator{font-weight:700;color:var(--muted)}.test-actions{display:flex;gap:.75rem;justify-content:flex-end;flex-wrap:wrap}.test-layout{grid-template-columns:minmax(0,3fr) minmax(280px,1fr)}.question-panel,.test-layout{display:grid;grid-gap:1.5rem;gap:1.5rem}.question-panel{background:var(--surface);border-radius:2rem;border:1px solid var(--border);padding:2rem;box-shadow:0 25px 45px rgba(15,23,42,.05);max-width:900px;margin:0 auto}.question-header{display:flex;justify-content:space-between;align-items:center;gap:1rem;font-weight:600}.question-progress{background:#eef1f7;border-radius:9999px;height:6px;margin-top:.85rem;overflow:hidden}.question-progress-bar{height:100%;background:linear-gradient(120deg,var(--gradient-start),var(--gradient-end));transition:width .3s ease}.question-body p{color:var(--text);line-height:1.6}.answer-list{display:grid;grid-gap:.75rem;gap:.75rem}.answer-option{border:1px solid var(--border);background:#f8fafc;border-radius:1.25rem;padding:1rem 1.25rem;display:flex;align-items:center;gap:.85rem;font-size:1rem;cursor:pointer;transition:border-color .2s ease,background .2s ease,transform .2s ease}.answer-option:hover{border-color:var(--primary);transform:translateY(-1px)}.answer-option.selected{border-color:var(--primary);background:rgba(37,99,235,.08)}.answer-badge{width:32px;height:32px;border-radius:50%;background:#fff;display:grid;place-items:center;font-weight:600;color:var(--primary-dark);border:1px solid var(--border)}.question-actions{display:flex;justify-content:space-between;flex-wrap:wrap;gap:.75rem}.question-sidebar{display:grid;grid-gap:1rem;gap:1rem}.sidebar-card{background:var(--surface);border-radius:1.5rem;border:1px solid var(--border);padding:1.5rem;box-shadow:0 25px 45px rgba(15,23,42,.03)}.sidebar-card h3{margin-top:0;margin-bottom:1rem;font-size:1.1rem}.question-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));grid-gap:.5rem;gap:.5rem}.question-number{border:none;background:#f1f5f9;border-radius:10px;padding:.45rem .35rem;font-weight:600;color:var(--text);cursor:pointer;transition:transform .2s ease,background .2s ease,color .2s ease}.question-number.answered{background:rgba(59,130,246,.15);color:var(--primary-dark)}.question-number.marked{box-shadow:inset 0 0 0 2px #facc15}.question-number.correct{background:rgba(34,197,94,.2);color:#0f5132}.question-number.incorrect{background:rgba(239,68,68,.2);color:#7f1d1d}.question-number.active{background:var(--primary-dark);color:#fff;transform:translateY(-1px)}.sidebar-summary{background:var(--surface);border:1px dashed var(--border);border-radius:1.25rem;padding:1rem;text-align:center;font-weight:600}.modal-overlay{position:fixed;inset:0;background:rgba(15,23,42,.55);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);display:flex;justify-content:center;align-items:center;padding:1.5rem;z-index:50;animation:overlayFade .2s ease-out}.exam-modal{width:min(620px,100%);background:#fff;border-radius:2rem;padding:clamp(1.75rem,4vw,2.5rem);position:relative;display:grid;grid-gap:clamp(1rem,2vw,1.5rem);gap:clamp(1rem,2vw,1.5rem);box-shadow:0 40px 80px rgba(15,23,42,.2);transform-origin:center;animation:modalPop .24s cubic-bezier(.22,1,.36,1)}.modal-close{position:absolute;top:1.25rem;right:1.25rem;border:none;background:#eef1f7;width:36px;height:36px;border-radius:9999px;font-size:1.5rem;color:var(--muted);cursor:pointer}.modal-close:hover{background:#e2e8f0;color:var(--text)}.exam-modal h3{margin:.35rem 0;font-size:1.9rem}.exam-modal-subtitle{color:var(--muted)}.all-exams-modal{width:min(960px,100%);max-height:90vh;overflow:hidden}.all-exams-grid{max-height:60vh;overflow-y:auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));grid-gap:1rem;gap:1rem;padding-right:.25rem}.all-exams-grid::-webkit-scrollbar{width:6px}.all-exams-grid::-webkit-scrollbar-thumb{background:rgba(15,23,42,.2);border-radius:999px}.exam-feature-card{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);grid-gap:1rem;gap:1rem;background:#f8fafc;border-radius:1.5rem;padding:1.25rem 1.5rem;border:1px solid var(--border);align-items:center}.exam-card-visual{width:100%;height:140px;border-radius:1.25rem;background:linear-gradient(120deg,rgba(37,99,235,.9),rgba(236,72,153,.75));filter:saturate(120%)}.exam-block{background:var(--surface);border-radius:1.5rem;padding:1.25rem 1.5rem;border:1px solid var(--border)}.exam-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:1rem;gap:1rem}.section-title{font-weight:600;color:var(--text);margin-bottom:.35rem}.chip-row{display:flex;flex-direction:column;gap:.5rem;max-height:220px;overflow-y:auto;padding-inline:.25rem;scroll-snap-type:y proximity}.chip-row::-webkit-scrollbar{width:6px}.chip-row::-webkit-scrollbar-thumb{background:rgba(15,23,42,.2);border-radius:9999px}.chip{padding:.45rem 1rem;border-radius:9999px;background:rgba(37,99,235,.1);color:var(--primary-dark);font-weight:500;font-size:.9rem;scroll-snap-align:start}.chip-column{display:flex;flex-direction:column;gap:.4rem;max-height:200px;overflow-y:auto}.section-scroll{display:flex;gap:1rem;overflow-x:auto;padding-bottom:.5rem;margin-bottom:1.5rem}.section-scroll::-webkit-scrollbar{height:6px}.section-scroll::-webkit-scrollbar-thumb{background:rgba(15,23,42,.2);border-radius:9999px}.section-card{min-width:240px}.section-subtitle{color:var(--muted);font-size:.85rem;margin:0 0 .5rem}.tactics-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));grid-gap:1rem;gap:1rem}.style-page{max-width:1200px;margin:0 auto;padding:2rem 1.5rem 4rem}.style-nav-toggle{display:none;margin-bottom:1rem;border:1px solid var(--border);padding:.6rem 1rem;border-radius:9999px;background:#fff;font-weight:600}.style-layout{display:grid;grid-template-columns:280px minmax(0,1fr);grid-gap:1.5rem;gap:1.5rem}.style-sidebar{border:1px solid var(--border);border-radius:1.5rem;padding:1.5rem;background:var(--surface);display:flex;flex-direction:column;gap:1.5rem;max-height:calc(100vh - 4rem);position:-webkit-sticky;position:sticky;top:1.5rem}.style-sidebar-header{display:flex;gap:.75rem;align-items:center}.sidebar-icon{width:42px;height:42px;border-radius:1rem;display:grid;place-items:center;background:rgba(99,102,241,.15)}.sidebar-label{margin:0;font-weight:600}.sidebar-muted{margin:0;color:var(--muted);font-size:.85rem}.style-nav-list{display:flex;flex-direction:column;gap:.4rem;overflow-y:auto}.style-nav-list.compact .style-nav-item{padding:.5rem .75rem;font-size:.9rem}.style-nav-item{border-radius:1rem;padding:.7rem 1rem;border:1px solid transparent;transition:border-color .2s ease,background .2s ease}.style-nav-item.active{background:rgba(99,102,241,.15);border-color:rgba(99,102,241,.3);color:var(--primary-dark);font-weight:600}.style-sidebar-footer{margin-top:auto;display:grid;grid-gap:.25rem;gap:.25rem}.sidebar-link{color:var(--primary-dark);font-weight:600}.style-content{display:grid;grid-gap:1.5rem;gap:1.5rem}.style-header h1{margin:.5rem 0;font-size:clamp(2rem,4vw,2.8rem)}.style-subtitle{color:var(--muted);max-width:640px}.style-example{border:1px solid var(--border);border-radius:1.5rem;display:grid;grid-template-columns:minmax(0,1fr) minmax(220px,320px);grid-gap:1rem;gap:1rem;padding:1.5rem;background:#fff;box-shadow:0 25px 45px rgba(15,23,42,.05)}.style-example-media{border-radius:1.25rem;background:linear-gradient(135deg,#e0e7ff,#fdf2f8)}.style-steps h3{margin-bottom:1rem}.style-step-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));grid-gap:1rem;gap:1rem}.style-step-card{border:1px solid var(--border);border-radius:1.25rem;padding:1rem;background:#fff}.step-index{width:28px;height:28px;border-radius:9999px;display:inline-flex;align-items:center;justify-content:center;font-weight:600;background:rgba(99,102,241,.15);color:var(--primary-dark);margin-bottom:.5rem}.style-hints{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));grid-gap:1rem;gap:1rem}.hint-card{border-radius:1.25rem;padding:1rem;border:1px solid var(--border)}.hint-card.info{background:rgba(59,130,246,.08)}.hint-card.danger{background:hsla(0,91%,71%,.08)}.style-cta{border-radius:1.5rem;padding:1.5rem;background:linear-gradient(120deg,#6366f1,#a855f7);color:#fff;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1rem}.style-cta button.btn.secondary{background:hsla(0,0%,100%,.2);border:1px solid hsla(0,0%,100%,.4);color:#fff}.style-return a{color:var(--muted)}@media (max-width:900px){.style-layout{grid-template-columns:1fr}.style-sidebar{display:none;position:static}.style-sidebar.open{display:flex}.style-nav-toggle{display:inline-flex}.style-example{grid-template-columns:1fr}}.exam-section-list{display:grid;grid-gap:.75rem;gap:.75rem}.exam-section-card{background:#f8fafc;border-radius:1.25rem;padding:1rem 1.25rem;display:flex;justify-content:space-between;align-items:center;cursor:pointer;font-size:1rem;border:1px solid transparent;transition:border-color .2s ease,background .2s ease}.exam-section-card:hover{border-color:var(--border);background:#fff}.modal-cta{background:linear-gradient(120deg,rgba(99,102,241,.15),rgba(14,165,233,.15));border-radius:1.5rem;padding:1.75rem;display:flex;gap:1.5rem;flex-wrap:wrap;justify-content:space-between;align-items:center}.stat-modal{width:min(640px,100%);background:#fff;border-radius:2rem;padding:clamp(1.75rem,4vw,2.5rem);display:grid;grid-gap:1.5rem;gap:1.5rem;position:relative;box-shadow:0 40px 80px rgba(15,23,42,.2);transform-origin:center;animation:modalPop .24s cubic-bezier(.22,1,.36,1)}.modal-subtitle{color:var(--muted)}.summary-modal{width:min(860px,100%);background:#fff;border-radius:24px;padding:2rem;display:grid;grid-gap:1.5rem;gap:1.5rem;position:relative;box-shadow:0 45px 90px rgba(15,23,42,.2)}.summary-modal header h2{margin:.25rem 0}.summary-stats-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));grid-gap:1rem;gap:1rem}.summary-pill{border-radius:1.25rem;padding:1rem;border:1px solid var(--border);display:grid;grid-gap:.25rem;gap:.25rem;text-align:center}.summary-pill.success{background:rgba(34,197,94,.15);color:#166534}.summary-pill.danger{background:rgba(239,68,68,.15);color:#7f1d1d}.summary-pill.neutral{background:rgba(148,163,184,.15);color:#334155}.summary-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));grid-gap:1rem;gap:1rem}.summary-placeholder{border:1px dashed var(--border);border-radius:1rem;height:160px}.summary-actions{display:flex;flex-wrap:wrap;gap:.75rem}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));grid-gap:.75rem;gap:.75rem}.stat-grid article{border:1px solid var(--border);border-radius:1rem;padding:1rem;background:var(--surface)}.stat-label{color:var(--muted);font-size:.9rem;margin:0}.stat-value{margin:.35rem 0 0;font-weight:600;color:var(--text)}.stat-predict{background:rgba(59,130,246,.05);border-radius:1.5rem;border:1px solid var(--border);padding:1.25rem;display:grid;grid-gap:.75rem;gap:.75rem}.stat-predict-header{display:flex;justify-content:space-between;align-items:center}.stat-predict input[type=range]{width:100%}.stat-predict-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));grid-gap:.75rem;gap:.75rem}.stat-predict-cards>div{background:#fff;border-radius:1rem;padding:.75rem;border:1px solid var(--border)}.stat-note{background:#f8fafc;border-radius:1rem;padding:1rem;border:1px dashed var(--border);text-align:center;color:var(--text);font-weight:600}@media (max-width:768px){.top-nav{border-radius:1rem}.cta-card,.why-section{padding:2rem}.test-layout{grid-template-columns:1fr}.exam-modal{padding:1.75rem 1.25rem}.exam-feature-card,.exam-grid{grid-template-columns:1fr}.exam-card-visual{height:110px}}@keyframes overlayFade{0%{opacity:0}to{opacity:1}}@keyframes modalPop{0%{opacity:0;transform:translateY(20px) scale(.96)}to{opacity:1;transform:translateY(0) scale(1)}}.question-nav-bottom{margin-top:1rem}.question-nav-card{border:1px solid var(--border);border-radius:1.5rem;padding:1rem;background:#fff;box-shadow:0 15px 35px rgba(15,23,42,.1);max-width:900px;margin:0 auto}.question-nav-card .nav-header{display:flex;justify-content:space-between;margin-bottom:.75rem;font-weight:600}.solve-page.modern .solve-hero{background:linear-gradient(135deg,rgba(99,102,241,.1),rgba(14,165,233,.1));border-radius:24px;padding:1.5rem;display:grid;grid-gap:1rem;gap:1rem}.related-styles-chips{display:flex;flex-wrap:wrap;gap:.5rem}.related-styles-chips .chip.active{background:rgba(37,99,235,.2);border:1px solid var(--primary);color:var(--primary-dark)}