*{box-sizing:border-box;margin:0;padding:0}:root{--bg-main: hsl(220, 25%, 97%);--bg-gradient-end: hsl(220, 30%, 100%);--surface: hsla(0, 0%, 100%, .42);--surface-hover: hsla(0, 0%, 100%, .62);--surface-active: hsla(0, 0%, 100%, .76);--border-color: rgba(31, 54, 82, .11);--border-focus: hsla(206, 100%, 50%, .3);--glass-highlight: rgba(255, 255, 255, .82);--glass-tint: rgba(227, 241, 255, .2);--glass-edge: rgba(31, 54, 82, .12);--primary: hsl(206, 100%, 40%);--primary-hover: hsl(206, 100%, 45%);--primary-glow: rgba(0, 120, 212, .18);--accent: hsl(190, 90%, 35%);--accent-gradient: linear-gradient(135deg, hsl(206, 100%, 40%), hsl(190, 90%, 35%));--success: hsl(145, 72%, 35%);--success-glow: rgba(16, 185, 129, .12);--danger: hsl(0, 80%, 45%);--danger-glow: rgba(239, 68, 68, .12);--warning: hsl(35, 85%, 42%);--text-primary: hsl(220, 20%, 12%);--text-secondary: hsl(220, 10%, 42%);--text-muted: hsl(220, 8%, 55%);--font-sans: "Inter", system-ui, -apple-system, sans-serif;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--shadow-sm: 0 2px 8px rgba(31, 54, 82, .05);--shadow-md: 0 10px 30px rgba(31, 54, 82, .08);--shadow-lg: 0 20px 48px rgba(31, 54, 82, .12);--transition-fast: .15s ease;--transition-normal: .25s cubic-bezier(.4, 0, .2, 1)}body{font-family:var(--font-sans);background:linear-gradient(120deg,#0078d421,#00b4d800 34%),linear-gradient(240deg,#10b9811a,#fff0 35%),linear-gradient(165deg,#9333ea0e,#fff0 38%),linear-gradient(180deg,var(--bg-gradient-end),var(--bg-main));background-attachment:fixed;color:var(--text-primary);min-height:100vh;line-height:1.5;-webkit-font-smoothing:antialiased;overflow-x:hidden}html,body,#root{width:100%;max-width:100%}h1,h2,h3,p,button,a,span{overflow-wrap:break-word}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:#f0f2f4}::-webkit-scrollbar-thumb{background:#0000001f;border-radius:var(--radius-sm);transition:var(--transition-fast)}::-webkit-scrollbar-thumb:hover{background:#00000038}.acrylic-panel{background:linear-gradient(145deg,#ffffff8f,#fff3),var(--glass-tint),var(--surface);backdrop-filter:blur(24px) saturate(1.2);-webkit-backdrop-filter:blur(24px) saturate(1.2);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:inset 0 1px 0 var(--glass-highlight),var(--shadow-md)}.container{max-width:1280px;margin:0 auto;padding:0 1.5rem;width:100%}a{color:inherit;text-decoration:none;transition:var(--transition-fast)}input:not([type=radio]):not([type=checkbox]),select,textarea{font-family:inherit;font-size:16px;background:#fffc;border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);padding:.75rem 1rem;outline:none;transition:var(--transition-fast);width:100%}input:not([type=radio]):not([type=checkbox]):focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--border-focus);background:#fff}select{cursor:pointer;-moz-appearance:none;appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 1rem center;padding-right:2.5rem}select option{background:#fff;color:var(--text-primary);padding:.5rem}.btn{font-family:inherit;font-weight:500;display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.5rem;border-radius:var(--radius-md);border:1px solid transparent;cursor:pointer;transition:var(--transition-normal);font-size:.95rem;-webkit-user-select:none;user-select:none}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 12px var(--primary-glow)}.btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:0 6px 16px var(--primary-glow)}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:#0000000a;border-color:var(--border-color);color:var(--text-primary)}.btn-secondary:hover{background:#00000012;border-color:#0000001f;transform:translateY(-1px)}.btn-secondary:active{transform:translateY(0)}.btn-success{background:var(--success);color:#fff;box-shadow:0 4px 12px var(--success-glow)}.btn-success:hover{filter:brightness(1.15);transform:translateY(-1px)}.btn-danger{background:var(--danger);color:#fff;box-shadow:0 4px 12px var(--danger-glow)}.btn-danger:hover{filter:brightness(1.15);transform:translateY(-1px)}@keyframes fadeIn{0%{opacity:1}to{opacity:1}}@keyframes slideUp{0%{opacity:1;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse-red{0%{box-shadow:0 0 #ef444466}70%{box-shadow:0 0 0 10px #ef444400}to{box-shadow:0 0 #ef444400}}.animate-fade-in{animation:fadeIn .4s ease forwards}.animate-slide-up{animation:slideUp .4s cubic-bezier(.16,1,.3,1) forwards}.pulse-warning{animation:pulse-red 1.5s infinite}.radio-card{position:relative;display:flex;align-items:flex-start;padding:1.25rem;background:#00000004;border:1px solid var(--border-color);border-radius:var(--radius-lg);cursor:pointer;transition:var(--transition-normal);-webkit-user-select:none;user-select:none;transform:translateZ(0);will-change:background-color,border-color,box-shadow}.radio-card:hover{background:#00000008;border-color:#0000001f;transform:translate(4px)}.radio-card.selected{background:#0078d40f;border-color:var(--primary);box-shadow:0 0 15px #0078d41a}.radio-card input[type=radio]{width:1.15rem;height:1.15rem;margin-right:1rem;margin-top:.15rem;cursor:pointer;accent-color:var(--primary);padding:0;flex-shrink:0}.radio-card-content{flex:1}.radio-card-label{font-weight:500;color:var(--text-primary);display:block}.flex-center{display:flex;align-items:center;justify-content:center}.text-gradient{background:var(--accent-gradient);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.attech-logo-container{display:flex;flex-direction:column;justify-content:center;align-items:center;line-height:1;flex-shrink:0;-webkit-user-select:none;user-select:none}.attech-text{font-size:1.25rem;font-weight:800;letter-spacing:.5px;display:flex;align-items:baseline;line-height:1}.attech-a{color:#e02020;text-shadow:none}.attech-ttech{color:#0066d6;text-shadow:none}.attech-subtext{font-size:7.5px;font-weight:700;text-transform:none;color:var(--text-secondary);letter-spacing:.8px;margin-top:3px;line-height:1}.app-shell{min-height:100vh;display:flex;flex-direction:column}.app-main{flex:1;position:relative}.app-footer{padding:1.5rem 0 2rem;text-align:center;font-size:.8rem;color:var(--text-muted);border-top:1px solid var(--border-color);margin-top:2.5rem}.site-header{border-radius:0;border-top:none;border-left:none;border-right:none;padding:.85rem 0;margin-bottom:1.5rem}.site-header-inner,.site-brand,.site-nav{display:flex;align-items:center}.site-header-inner{justify-content:space-between;gap:1rem}.site-brand{gap:1rem;min-width:0}.brand-divider{width:1px;height:24px;background:var(--border-color);flex:0 0 auto}.brand-title{color:var(--text-primary);font-size:1rem;font-weight:700;letter-spacing:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.site-nav{gap:.5rem;flex-wrap:wrap;justify-content:flex-end}.site-nav .btn{padding:.5rem .9rem;font-size:.85rem;white-space:nowrap}.page-shell{padding-bottom:3rem}.page-shell-narrow{max-width:960px}.page-heading{margin-bottom:1.25rem}.page-heading.center{text-align:center;max-width:860px;margin-left:auto;margin-right:auto}.eyebrow{color:var(--accent);font-size:.78rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;margin-bottom:.5rem}.page-title{color:var(--text-primary);font-size:clamp(2rem,4vw,3.7rem);font-weight:850;line-height:1.05;margin:0 0 .85rem;letter-spacing:0}.page-title.compact{font-size:clamp(1.75rem,3vw,2.5rem)}.page-subtitle{color:var(--text-secondary);font-size:1rem;line-height:1.7;max-width:760px}.page-heading.center .page-subtitle{margin:0 auto}.bento-grid{display:grid;gap:1rem}.bento-home-grid{grid-template-columns:repeat(12,minmax(0,1fr));align-items:stretch}.bento-card{position:relative;min-width:0;overflow:hidden;background:linear-gradient(145deg,#ffffff8a,#ffffff2e 48%,#e8f3ff29),linear-gradient(180deg,#ffffff57,#ffffff1a),var(--glass-tint),var(--surface);border:1px solid var(--glass-edge);border-radius:var(--radius-lg);box-shadow:inset 0 1px 0 var(--glass-highlight),inset 0 -1px #ffffff47,var(--shadow-md);backdrop-filter:blur(28px) saturate(1.24);-webkit-backdrop-filter:blur(28px) saturate(1.24)}.bento-card:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(115deg,#ffffff47,#fff0 30%),linear-gradient(180deg,#ffffff29,#fff0 50%);opacity:.68;pointer-events:none}.bento-card.padded{padding:1.4rem}.bento-card.large{padding:1.75rem}.bento-card.interactive{transition:transform var(--transition-normal),border-color var(--transition-normal),box-shadow var(--transition-normal),background var(--transition-normal)}.bento-card.interactive:hover{transform:translateY(-3px);border-color:#0078d447;background:linear-gradient(145deg,#ffffffa8,#ffffff47 48%,#e8f3ff38),linear-gradient(180deg,#fff6,#ffffff24),#e3f1ff47,var(--surface-hover);box-shadow:inset 0 1px #ffffffeb,0 18px 42px #0078d41c,0 10px 28px #1f36521a}.bento-card.accent:hover{border-color:#00b4d847;box-shadow:inset 0 1px #ffffffeb,0 18px 42px #00b4d81a,0 10px 28px #1f36521a}.bento-card.classic:hover{border-color:#9333ea47;box-shadow:inset 0 1px #ffffffeb,0 18px 42px #9333ea17,0 10px 28px #1f36521a}.bento-card.success:hover{border-color:#10b98147;box-shadow:inset 0 1px #ffffffeb,0 18px 42px #10b98117,0 10px 28px #1f36521a}.bento-card.warning:hover{border-color:#f59e0b47;box-shadow:inset 0 1px #ffffffeb,0 18px 42px #f59e0b17,0 10px 28px #1f36521a}.bento-card.danger:hover{border-color:#f43f5e47;box-shadow:inset 0 1px #ffffffeb,0 18px 42px #f43f5e17,0 10px 28px #1f36521a}.span-3{grid-column:span 3}.span-4{grid-column:span 4}.span-5{grid-column:span 5}.span-6{grid-column:span 6}.span-7{grid-column:span 7}.span-8{grid-column:span 8}.span-12{grid-column:span 12}.hero-card{display:flex;min-height:330px;flex-direction:column;justify-content:space-between}.hero-card:after,.module-card:after{content:"";position:absolute;inset:auto -16% -30% auto;width:260px;height:260px;background:radial-gradient(circle,#0078d414,#0078d400);pointer-events:none}.hero-card.accent:after,.module-card.accent:after{background:radial-gradient(circle,#00b4d812,#00b4d800)}.card-icon{width:48px;height:48px;border-radius:var(--radius-md);display:inline-flex;align-items:center;justify-content:center;background:#0078d41a;color:var(--primary-hover);flex:0 0 auto}.card-icon.accent{background:#00b4d81a;color:#0f98b3}.module-card{display:flex;min-height:270px;flex-direction:column;justify-content:space-between;gap:1.25rem}.module-card h2,.bento-card h2,.bento-card h3{letter-spacing:0}.module-card h2{font-size:1.35rem;line-height:1.25;margin:1rem 0 .65rem}.module-card p{color:var(--text-secondary);line-height:1.65;font-size:.95rem}.bento-list{display:grid;gap:.55rem;margin-top:1rem;list-style:none;color:var(--text-secondary);font-size:.9rem}.bento-list li{display:flex;gap:.55rem;align-items:flex-start}.bento-dot{width:7px;height:7px;margin-top:.5rem;border-radius:999px;background:var(--primary);flex:0 0 auto}.bento-dot.accent{background:var(--accent)}.metric-card{min-height:132px;display:flex;flex-direction:column;justify-content:space-between}.metric-label{color:var(--text-muted);font-size:.76rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase}.metric-value{color:var(--text-primary);font-size:2rem;font-weight:850;line-height:1}.metric-value.primary{color:var(--primary-hover)}.metric-value.accent{color:#0d8ca5}.metric-value.success{color:var(--success)}.metric-value.danger{color:var(--danger)}.metric-note{color:var(--text-secondary);font-size:.86rem}.status-pill{display:inline-flex;align-items:center;gap:.45rem;width:fit-content;padding:.35rem .7rem;border-radius:999px;border:1px solid var(--border-color);background:#0000000a;color:var(--text-secondary);font-size:.78rem;font-weight:700}.form-grid{display:grid;gap:1rem}.setup-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,360px);gap:1rem}.two-col-form{grid-template-columns:repeat(2,minmax(0,1fr))}.field-label{display:block;font-size:.9rem;font-weight:700;margin-bottom:.45rem}.split-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:1rem;align-items:start}.exam-header-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;margin-bottom:1rem}.content-stack{display:flex;flex-direction:column;gap:1rem}.action-row{display:flex;align-items:center;justify-content:space-between;gap:.75rem;flex-wrap:wrap}.action-row.center{justify-content:center}.question-card,.practice-card{padding:1.5rem}.question-meta{display:flex;justify-content:space-between;align-items:center;gap:1rem;margin-bottom:1.25rem}.question-title{color:var(--text-primary);font-size:1.18rem;font-weight:650;line-height:1.65;margin-bottom:1.5rem}.option-stack{display:grid;gap:.75rem}.sidebar-panel{position:sticky;top:96px}.question-nav-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:.45rem}.question-nav-button{width:100%;aspect-ratio:1;border-radius:var(--radius-md);font-weight:700;font-size:.88rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s ease}.review-header{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem;margin-bottom:1rem}.segmented-control{display:flex;background:#00000008;border:1px solid var(--border-color);border-radius:var(--radius-md);padding:.25rem;flex:0 0 auto}.segmented-control .btn{padding:.42rem .8rem;font-size:.8rem;border:none;box-shadow:none;border-radius:var(--radius-sm)}.result-grid{display:grid;grid-template-columns:260px minmax(0,1fr);gap:1rem;align-items:stretch}.result-metric-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}.score-card{display:flex;align-items:center;justify-content:center;min-height:260px}.breakdown-list{display:grid;gap:.8rem}.progress-track{width:100%;height:8px;border-radius:4px;background:#0000000f;overflow:hidden}.progress-fill{height:100%;border-radius:4px;transition:width 1s ease-out}.home-progress-label,.home-cache-row{gap:.75rem}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;display:flex;align-items:center;justify-content:center;padding:1rem;background:#00000059;-webkit-backdrop-filter:blur(7px);backdrop-filter:blur(7px)}.confirm-modal-card{background:linear-gradient(145deg,#ffffffe6,#ffffff9e),#ffffffb8;border-color:#ffffffb8;box-shadow:inset 0 1px #fffffff2,0 22px 54px #1f36522e,0 10px 26px #1f36521a;backdrop-filter:blur(30px) saturate(1.22);-webkit-backdrop-filter:blur(30px) saturate(1.22)}.confirm-modal-card:before{opacity:.42}button:disabled,.btn:disabled{cursor:not-allowed;opacity:.48;transform:none}@media (max-width: 980px){.container{padding:0 1rem}.site-header-inner{align-items:flex-start;flex-direction:column}.site-nav{width:100%;justify-content:stretch}.site-nav .btn{flex:1 1 150px}.bento-home-grid,.exam-header-grid,.result-grid,.result-metric-grid,.setup-grid,.split-layout{grid-template-columns:1fr}.span-3,.span-4,.span-5,.span-6,.span-7,.span-8,.span-12{grid-column:span 1}.sidebar-panel{position:static}.question-nav-grid{grid-template-columns:repeat(8,minmax(42px,1fr))}}@media (max-width: 640px){.container{width:100vw;max-width:100vw;padding:0 .75rem;overflow-x:hidden}.page-shell,.page-heading,.page-heading.center{width:100%;max-width:100%;overflow-x:hidden}.site-header{padding:.7rem 0;margin-bottom:1rem}.site-brand{width:100%;gap:.7rem;justify-content:center}.brand-title{font-size:.9rem}.attech-text{font-size:1.08rem}.attech-subtext{font-size:6.5px}.site-nav{display:grid;grid-template-columns:1fr;gap:.4rem;overflow:hidden}.site-nav .btn{min-height:40px;padding:.45rem .55rem;font-size:.78rem;min-width:0;white-space:normal}.site-nav .btn:last-child{grid-column:auto}.page-title{max-width:calc(100vw - 1.5rem);font-size:1.55rem;line-height:1.1;margin-left:auto;margin-right:auto;overflow-wrap:anywhere}.page-title.compact{font-size:1.35rem}.page-subtitle{width:calc(100vw - 4rem);max-width:calc(100vw - 4rem);margin-left:auto;margin-right:auto;overflow-wrap:anywhere}.bento-home-grid{display:flex;flex-direction:column;width:100%}.hero-card{width:100%;min-height:0}.hero-card h2{max-width:calc(100vw - 5rem);font-size:1.18rem!important;line-height:1.22!important}.hero-card .page-subtitle,.module-card p{max-width:calc(100vw - 5rem)}.bento-card,.module-card,.metric-card{width:calc(100vw - 2.5rem);max-width:calc(100vw - 2.5rem);margin-left:auto;margin-right:auto}.bento-card h1,.bento-card h2,.bento-card h3,.bento-card p,.bento-card li,.bento-card span{max-width:100%;white-space:normal!important;overflow-wrap:anywhere}.page-subtitle{font-size:.95rem}.bento-card.padded,.bento-card.large,.question-card,.practice-card{padding:1rem 1.5rem 1rem 1rem}.home-total-summary{flex-wrap:wrap}.home-progress-label,.home-cache-row{align-items:flex-start;flex-wrap:wrap}.home-progress-label{flex-direction:column;gap:.2rem;width:calc(100vw - 5rem);max-width:100%}.home-progress-label>span:first-child{display:block;min-width:0;width:calc(100vw - 5rem);max-width:100%;overflow-wrap:anywhere;word-break:break-word}.home-progress-label>span:last-child,.home-cache-row>span:last-child{margin-left:0}.home-bank-stats{grid-template-columns:repeat(2,minmax(0,1fr))!important}.module-card{min-height:0}.two-col-form{grid-template-columns:1fr}.action-row{align-items:stretch;flex-direction:column}.action-row .btn{width:100%}.question-meta,.review-header{flex-direction:column;align-items:stretch}.segmented-control{width:100%}.segmented-control .btn{flex:1}.question-nav-grid{grid-template-columns:repeat(5,minmax(0,1fr))}.radio-card{padding:1rem;gap:.7rem}.radio-card:hover{transform:none}}