@import "https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@400;500;600;700;800;900&display=swap";:root{--primary:#2a5298;--primary-gradient:linear-gradient(135deg, #1e3c72 0%, #2a5298 50%, #7e22ce 100%);--accent:#fbbf24;--secondary:#64748b;--background:#f8fafc;--surface:#fff;--text-main:#0f172a;--text-muted:#64748b;--border:#e2e8f0;--success:#22c55e;--error:#ef4444;--warning:#fbbf24;--font-family:"Be Vietnam Pro", sans-serif;--radius:1rem}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--background);color:var(--text-main);-webkit-font-smoothing:antialiased;line-height:1.5}button{cursor:pointer;font-family:inherit;transition:all .2s}input,select,textarea{border:1px solid var(--border);border-radius:var(--radius);width:100%;padding:.5rem .75rem;font-family:inherit}input:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px #2563eb1a}.card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--border);padding:1.5rem}.btn{border-radius:var(--radius);border:none;justify-content:center;align-items:center;gap:.5rem;padding:.5rem 1rem;font-weight:500;display:inline-flex}.btn-primary{background-color:var(--primary);color:#fff}.btn-primary:hover{background-color:var(--primary-hover)}.btn-outline{border:1px solid var(--border);color:var(--text-main);background-color:#0000}.btn-outline:hover{background-color:var(--background)}.form-group{margin-bottom:1rem}.form-group label{color:var(--text-main);margin-bottom:.35rem;font-size:.875rem;font-weight:500;display:block}.ProseMirror{min-height:100px}.ProseMirror p.is-editor-empty:first-child:before{content:attr(data-placeholder);float:left;color:#adb5bd;pointer-events:none;height:0}.switch{width:44px;height:24px;display:inline-block;position:relative}.switch input{opacity:0;width:0;height:0}.slider{cursor:pointer;background-color:#cbd5e1;border-radius:24px;transition:all .4s;position:absolute;inset:0}.slider:before{content:"";background-color:#fff;border-radius:50%;width:18px;height:18px;transition:all .4s;position:absolute;bottom:3px;left:3px;box-shadow:0 1px 3px #0000001a}input:checked+.slider{background-color:var(--primary)}input:checked+.slider:before{transform:translate(20px)}.container{width:100%;max-width:1400px;margin:0 auto;padding:0 1rem}@media (width>=768px){.container{padding:0 2.5rem}}.grid{gap:1rem;display:grid}.grid-cols-1{grid-template-columns:repeat(1,1fr)}@media (width>=640px){.grid-cols-sm-2{grid-template-columns:repeat(2,1fr)}}@media (width>=1024px){.grid-cols-md-3{grid-template-columns:repeat(3,1fr)}.grid-cols-lg-4{grid-template-columns:repeat(4,1fr)}}.table-responsive{-webkit-overflow-scrolling:touch;border-radius:var(--radius);border:1px solid var(--border);background:#fff;width:100%;overflow-x:auto}h1{font-size:clamp(1.75rem,5vw,2.5rem);font-weight:800}h2{font-size:clamp(1.5rem,4vw,2rem);font-weight:700}h3{font-size:clamp(1.125rem,3vw,1.25rem);font-weight:600}@media (width<=768px){.card{padding:1rem}.btn{width:100%;padding:.75rem}main{padding:1.25rem!important}}.exam-layout{grid-template-columns:1fr;gap:1.5rem;max-width:1200px;margin:0 auto;display:grid}@media (width>=1025px){.exam-layout{grid-template-columns:1fr 320px}}.exam-sidebar{z-index:100;background:#fff;position:fixed;bottom:0;left:0;right:0;box-shadow:0 -4px 10px #0000001a}@media (width>=1025px){.exam-sidebar{box-shadow:none;background:0 0;align-self:start;position:sticky;top:20px;bottom:auto}}.matrix-container{display:none}@media (width>=1025px){.matrix-container{display:block!important}}.matrix-visible{display:block!important}.hide-on-mobile{display:none!important}.show-on-mobile{display:block!important}@media (width>=1025px){.hide-on-mobile{display:flex!important}.show-on-mobile{display:none!important}}