:root{--bg-main:#e8f4fc;--bg-gradient:linear-gradient(135deg, #e0f2fe 0%, #f0f7ff 50%, #e0e7ff 100%);--bg-card:#fff;--bg-card-alt:#f5f9ff;--bg-input:#f2f7fd;--clay-primary:#08f;--clay-primary-gradient:linear-gradient(135deg, #09f 0%, #06f 100%);--clay-secondary:#e0f2fe;--clay-accent:#8b5cf6;--clay-success:#10b981;--clay-warning:#f59e0b;--clay-danger:#ef4444;--clay-pink:#ec4899;--text-main:#0f172a;--text-sub:#475569;--text-muted:#94a3b8;--clay-shadow-card:14px 14px 32px #a0c3e673, -12px -12px 24px #fff, inset 2px 2px 4px #ffffffe6, inset -2px -2px 5px #0000000a;--clay-shadow-btn:6px 6px 14px #a0c3e68c, -6px -6px 12px #fff, inset 2px 2px 3px #ffffffe6, inset -2px -2px 4px #00000014;--clay-shadow-btn-primary:6px 6px 18px #0088ff59, -4px -4px 10px #fff, inset 2px 2px 4px #fff9, inset -2px -2px 4px #00000026;--clay-shadow-btn-success:6px 6px 18px #10b98159, -4px -4px 10px #fff, inset 2px 2px 4px #fff9, inset -2px -2px 4px #00000026;--clay-shadow-input:inset 4px 4px 8px #a0c3e673, inset -4px -4px 8px #fff, 0 1px 2px #00000005;--radius-sm:14px;--radius-md:20px;--radius-lg:28px;--radius-pill:50px;--transition:all .25s cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg-gradient);color:var(--text-main);background-attachment:fixed;min-height:100vh;font-family:Outfit,Inter,system-ui,-apple-system,sans-serif;line-height:1.6;overflow-x:hidden}body:before,body:after{content:"";z-index:-1;pointer-events:none;filter:blur(50px);border-radius:50%;position:fixed}body:before{background:#bae6fda6;width:450px;height:450px;top:-120px;left:-120px}body:after{background:#ddd6fe8c;width:550px;height:550px;bottom:-180px;right:-180px}.navbar{z-index:100;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#e8f4fce0;border-bottom:1px solid #ffffffb3;justify-content:space-between;align-items:center;padding:.8rem 2rem;display:flex;position:sticky;top:0}.navbar-brand{color:var(--text-main);letter-spacing:-.5px;align-items:center;gap:.85rem;font-size:1.25rem;font-weight:900;text-decoration:none;display:flex}.logo-clay-wrapper{background:#fff;border-radius:16px;justify-content:center;align-items:center;padding:4px 8px;display:flex;box-shadow:4px 4px 10px #a0c3e666,inset 2px 2px 3px #ffffffe6}.brand-logo-img{object-fit:contain;width:auto;height:42px}.brand-title{background:linear-gradient(135deg,#0284c7 0%,#4338ca 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-size:1.25rem;font-weight:900;line-height:1.1}.top-announcement-strip{display:none}.brand-subtitle{color:var(--text-sub);letter-spacing:.5px;text-transform:uppercase;font-size:.72rem;font-weight:700}.navbar-actions{align-items:center;gap:.75rem;display:flex}.clay-card{background:var(--bg-card);border-radius:var(--radius-lg);box-shadow:var(--clay-shadow-card);transition:var(--transition);border:1px solid #fffffff2;padding:2rem}.clay-card:hover{transform:translateY(-2px)}.btn{border-radius:var(--radius-pill);cursor:pointer;transition:var(--transition);-webkit-user-select:none;user-select:none;box-shadow:var(--clay-shadow-btn);color:var(--text-main);background:#fff;border:none;justify-content:center;align-items:center;gap:.5rem;padding:.75rem 1.5rem;font-family:inherit;font-size:.95rem;font-weight:800;text-decoration:none;display:inline-flex}.btn:hover{filter:brightness(1.03);transform:translateY(-2px)}.btn:active{transform:translateY(1px);box-shadow:inset 3px 3px 6px #a0c3e680,inset -2px -2px 4px #fff}.btn-primary{background:var(--clay-primary-gradient);color:#fff;box-shadow:var(--clay-shadow-btn-primary)}.btn-success{background:linear-gradient(135deg, var(--clay-success), #059669);color:#fff;box-shadow:var(--clay-shadow-btn-success)}.btn-secondary{background:var(--clay-secondary);color:#0284c7}.btn-danger{background:linear-gradient(135deg, var(--clay-danger), #dc2626);color:#fff}.btn-ghost{box-shadow:none;color:var(--text-sub);background:0 0}.btn-ghost:hover{color:var(--text-main);background:#ffffffb3}.btn-sm{border-radius:var(--radius-md);padding:.45rem 1rem;font-size:.85rem}.btn-lg{border-radius:var(--radius-pill);padding:1rem 2.25rem;font-size:1.1rem}.form-group{margin-bottom:1.25rem}.form-label{color:var(--text-main);margin-bottom:.4rem;font-size:.85rem;font-weight:800;display:block}.form-input,.form-textarea,.form-select{width:100%;color:var(--text-main);background:var(--bg-input);border-radius:var(--radius-md);box-shadow:var(--clay-shadow-input);transition:var(--transition);border:1.5px solid #a0c3e659;outline:none;padding:.8rem 1.2rem;font-family:inherit;font-size:.95rem}.form-input:focus,.form-textarea:focus,.form-select:focus{border-color:var(--clay-primary);box-shadow:var(--clay-shadow-input), 0 0 0 3px #08f3}.page{padding:2.25rem 1.25rem 4rem}.container{max-width:1100px;margin:0 auto}.container-sm{max-width:740px;margin:0 auto}.hero-clay{text-align:center;border-radius:var(--radius-lg);box-shadow:var(--clay-shadow-card);background:#fff;border:1px solid #fffffff2;margin-bottom:2.5rem;padding:3rem 2rem;position:relative;overflow:hidden}.hero-clay h1{background:linear-gradient(135deg,#0284c7 0%,#4338ca 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin-bottom:.75rem;font-size:2.75rem;font-weight:900;line-height:1.2}.hero-clay p{color:var(--text-sub);max-width:620px;margin:0 auto 2rem;font-size:1.1rem}.quiz-code-box{background:var(--bg-input);border-radius:var(--radius-pill);max-width:520px;box-shadow:var(--clay-shadow-input);gap:.5rem;margin:0 auto;padding:.5rem;display:flex}.quiz-code-box input{box-shadow:none;background:0 0;border:none;flex:1;padding:.8rem 1.2rem;font-size:1rem;font-weight:700}.badge{border-radius:var(--radius-pill);align-items:center;padding:.35rem .85rem;font-size:.75rem;font-weight:800;display:inline-flex;box-shadow:inset 1px 1px 2px #ffffffb3,inset -1px -1px 2px #0000001a}.badge-clay{background:var(--clay-primary);color:#fff}.badge-success{background:var(--clay-success);color:#fff}.badge-warning{background:var(--clay-warning);color:#fff}.badge-danger{background:var(--clay-danger);color:#fff}.grid{gap:1.5rem;display:grid}.grid-2{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}.grid-3{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}.feature-clay-card{border-radius:var(--radius-lg);box-shadow:var(--clay-shadow-card);text-align:center;background:#fff;border:1px solid #ffffffe6;padding:2rem}.feature-icon-clay{width:64px;height:64px;box-shadow:var(--clay-shadow-btn);border-radius:22px;justify-content:center;align-items:center;margin:0 auto 1.2rem;font-size:1.8rem;display:flex}.quiz-card{flex-direction:column;justify-content:space-between;display:flex}.quiz-card-header{justify-content:space-between;align-items:flex-start;margin-bottom:1rem;display:flex}.quiz-card-title{color:var(--text-main);font-size:1.15rem;font-weight:800}.quiz-card-meta{color:var(--text-sub);flex-wrap:wrap;gap:.8rem;margin-bottom:1.25rem;font-size:.8rem;display:flex}.timer-display{font-variant-numeric:tabular-nums;border-radius:var(--radius-pill);box-shadow:var(--clay-shadow-btn);color:var(--text-main);background:#fff;align-items:center;gap:.5rem;padding:.6rem 1.2rem;font-size:1.2rem;font-weight:800;display:flex}.timer-display.warning{color:var(--clay-warning)}.timer-display.danger{color:var(--clay-danger)}.continuous-quiz-container{flex-direction:column;gap:1.75rem;max-width:740px;margin:0 auto;display:flex}.question-block-card{border-radius:var(--radius-lg);box-shadow:var(--clay-shadow-card);transition:var(--transition);background:#fff;border:2px solid #0000;padding:2rem}.question-block-card.has-error{animation:1.5s infinite pulseError;border-color:var(--clay-danger)!important;box-shadow:0 0 25px #ef444459, var(--clay-shadow-card)!important}@keyframes pulseError{0%{transform:scale(1)}50%{transform:scale(1.01)}to{transform:scale(1)}}.required-error-banner{color:#fff;border-radius:var(--radius-md);background:linear-gradient(135deg,#ef4444,#dc2626);align-items:center;gap:.5rem;margin-bottom:1.2rem;padding:.6rem 1.2rem;font-size:.88rem;font-weight:800;display:flex;box-shadow:0 4px 12px #ef44444d}.quiz-option-btn{text-align:left;border-radius:var(--radius-md);width:100%;box-shadow:var(--clay-shadow-btn);color:var(--text-main);cursor:pointer;transition:var(--transition);background:#fff;border:2px solid #0000;align-items:center;gap:1rem;margin-bottom:.85rem;padding:1rem 1.25rem;font-family:inherit;font-size:1rem;font-weight:700;display:flex}.quiz-option-btn:hover{background:var(--bg-card-alt);transform:translate(5px)}.quiz-option-btn.selected{border-color:var(--clay-primary);box-shadow:var(--clay-shadow-btn-primary);color:#0284c7;background:#e0f2fe}.opt-letter{background:var(--bg-input);width:36px;height:36px;box-shadow:var(--clay-shadow-input);color:var(--text-main);border-radius:12px;justify-content:center;align-items:center;font-size:.9rem;font-weight:900;display:flex}.opt-letter.opt-0{color:#08f}.opt-letter.opt-1{color:#f59e0b}.opt-letter.opt-2{color:#ec4899}.opt-letter.opt-3{color:#10b981}.quiz-option-btn.selected .opt-letter{background:var(--clay-primary);color:#fff!important}.cert-canvas-wrapper{border-radius:var(--radius-lg);box-shadow:var(--clay-shadow-input);background:#f0f7ff;justify-content:center;align-items:center;padding:2rem;display:flex;overflow:auto}.cert-canvas{background:#fff;border-radius:8px;width:900px;min-height:636px;position:relative;overflow:hidden;box-shadow:0 20px 40px #00000026}.cert-el{cursor:move;-webkit-user-select:none;user-select:none;box-sizing:border-box;border-radius:4px;outline:2px solid #0000;padding:4px 8px;position:absolute}.cert-el:hover{outline-color:#0088ff80}.cert-el.selected{background:#0284c714;outline:2px dashed #0284c7}.resize-handle{cursor:se-resize;z-index:20;background:#0284c7;border:2px solid #fff;border-radius:50%;width:14px;height:14px;position:absolute;bottom:-6px;right:-6px;box-shadow:0 2px 6px #0000004d}.resize-handle:hover{transform:scale(1.3)}.designer-toolbar{z-index:50;box-shadow:var(--clay-shadow-btn);background:#fff;border-bottom:1px solid #a0c3e64d;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;padding:.6rem 1.5rem;display:flex;position:sticky;top:60px}.toolbar-select,.toolbar-num{background:var(--bg-input);color:var(--text-main);border-radius:var(--radius-sm);box-shadow:var(--clay-shadow-input);border:none;padding:.4rem .6rem}.toolbar-btn{color:var(--text-sub);cursor:pointer;width:34px;height:34px;box-shadow:var(--clay-shadow-btn);transition:var(--transition);background:#fff;border:none;border-radius:10px;justify-content:center;align-items:center;display:flex}.toolbar-btn.active{background:var(--clay-primary);color:#fff}.designer-layout{grid-template-columns:240px 1fr 260px;height:calc(100vh - 125px);display:grid}.designer-left-panel,.designer-right-panel{background:#fff;border-right:1px solid #a0c3e64d;padding:1rem;overflow-y:auto}.designer-right-panel{border-left:1px solid #a0c3e64d;border-right:none}.designer-canvas-area{background:var(--bg-main);justify-content:center;align-items:center;padding:2rem;display:flex;overflow:auto}.layer-item{border-radius:var(--radius-sm);cursor:pointer;color:var(--text-sub);background:var(--bg-input);box-shadow:var(--clay-shadow-input);justify-content:space-between;align-items:center;margin-bottom:.4rem;padding:.5rem .8rem;font-size:.85rem;display:flex}.layer-item.active{background:var(--clay-primary);color:#fff;box-shadow:var(--clay-shadow-btn-primary)}.modal-overlay{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:1000;opacity:0;pointer-events:none;background:#0f172a80;justify-content:center;align-items:center;transition:opacity .3s;display:flex;position:fixed;inset:0}.modal-overlay.active{opacity:1;pointer-events:auto}.modal-clay{border-radius:var(--radius-lg);box-shadow:var(--clay-shadow-card);text-align:center;background:#fff;width:90%;max-width:460px;padding:2rem}.toast-container{z-index:2000;flex-direction:column;gap:.75rem;display:flex;position:fixed;bottom:2rem;right:2rem}.toast{color:var(--text-main);border-radius:var(--radius-pill);box-shadow:var(--clay-shadow-card);background:#fff;align-items:center;gap:.6rem;padding:.85rem 1.5rem;font-size:.9rem;font-weight:800;animation:.3s cubic-bezier(.4,0,.2,1) slideIn;display:flex}@keyframes slideIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:.4s forwards fadeIn}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media (width<=768px){.top-announcement-strip{color:#fff;text-align:center;letter-spacing:.6px;text-transform:uppercase;background:linear-gradient(135deg,#0284c7 0%,#3b82f6 100%);padding:6px 12px;font-size:.76rem;font-weight:800;display:block;box-shadow:0 2px 6px #0284c740}.navbar{padding:.6rem 1rem}.brand-subtitle{display:none!important}.brand-title{font-size:1.05rem}.brand-logo-img{height:34px}.hero-clay h1{font-size:2rem}.designer-layout{grid-template-columns:1fr;height:auto}.quiz-code-box{border-radius:var(--radius-lg);flex-direction:column}.quiz-code-box input{text-align:center}}