@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap";:root{--font-body: "Inter", system-ui, sans-serif;--font-display: "Plus Jakarta Sans", "Inter", sans-serif;--bg-base: #080c14;--bg-surface: #0d1320;--bg-card: rgba(15, 22, 38, .85);--bg-glass: rgba(255, 255, 255, .04);--bg-glass-hov: rgba(255, 255, 255, .07);--bg-input: rgba(255, 255, 255, .055);--border: rgba(255, 255, 255, .08);--border-focus: rgba(99, 179, 237, .5);--border-hover: rgba(99, 179, 237, .25);--text-primary: #f0f4ff;--text-secondary: #b8c5e0;--text-muted: #6b7fa3;--text-faint: #3d4f6e;--accent: #3b82f6;--accent-bright: #60a5fa;--accent-dim: rgba(59, 130, 246, .12);--accent-glow: rgba(59, 130, 246, .3);--green: #22c55e;--red: #ef4444;--yellow: #f59e0b;--purple: #a855f7;--grad-primary: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);--grad-surface: linear-gradient( 135deg, rgba(59, 130, 246, .08), rgba(139, 92, 246, .08) );--radius-xs: 6px;--radius-sm: 10px;--radius-md: 16px;--radius-lg: 24px;--radius-xl: 32px;--transition: all .22s cubic-bezier(.4, 0, .2, 1);--spring: all .35s cubic-bezier(.34, 1.56, .64, 1);--navbar-h: 64px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-body);background:var(--bg-base);color:var(--text-primary);min-height:100vh;line-height:1.6;background-image:radial-gradient(ellipse 80% 50% at 20% -10%,rgba(59,130,246,.12) 0%,transparent 60%),radial-gradient(ellipse 60% 40% at 80% 110%,rgba(139,92,246,.1) 0%,transparent 60%)}h1,h2,h3,h4{font-family:var(--font-display);line-height:1.2;letter-spacing:-.02em}h1{font-size:clamp(2rem,5vw,3.5rem);font-weight:800}h2{font-size:clamp(1.4rem,3vw,2rem);font-weight:700}h3{font-size:1.1rem;font-weight:600}p{color:var(--text-secondary)}a{text-decoration:none;color:inherit}.page-container{max-width:1100px;margin:0 auto;padding:calc(var(--navbar-h) + 48px) 24px 80px}.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;height:var(--navbar-h);display:flex;align-items:center;justify-content:space-between;padding:0 32px;background:#080c14cc;backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);border-bottom:1px solid var(--border);transition:var(--transition)}.navbar-brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:var(--font-display);font-size:18px;font-weight:700;color:var(--text-primary);letter-spacing:-.02em}.navbar-logo-icon{width:34px;height:34px;border-radius:10px;background:var(--grad-primary);display:flex;align-items:center;justify-content:center;font-size:16px;box-shadow:0 4px 15px var(--accent-glow);flex-shrink:0}.navbar-links{display:flex;align-items:center;gap:4px}.navlink{position:relative;display:flex;align-items:center;gap:6px;padding:8px 16px;border-radius:var(--radius-sm);font-size:14px;font-weight:500;color:var(--text-muted);text-decoration:none;transition:var(--transition);border:1px solid transparent}.navlink:hover{color:var(--text-primary);background:var(--bg-glass);border-color:var(--border)}.navlink.active{color:var(--accent-bright);background:var(--accent-dim);border-color:#3b82f633}.navlink.active:after{content:"";position:absolute;bottom:-1px;left:50%;transform:translate(-50%);width:20px;height:2px;background:var(--accent);border-radius:2px}.navbar-hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:6px;border-radius:var(--radius-xs);border:1px solid var(--border);background:var(--bg-glass)}.navbar-hamburger span{display:block;width:20px;height:2px;border-radius:2px;background:var(--text-primary);transition:var(--transition)}.mobile-menu{display:none;position:fixed;top:var(--navbar-h);left:0;right:0;background:#080c14f7;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-bottom:1px solid var(--border);padding:16px 24px;flex-direction:column;gap:4px;z-index:999}.mobile-menu.open{display:flex}.mobile-navlink{display:flex;align-items:center;gap:10px;padding:12px 16px;border-radius:var(--radius-sm);font-size:15px;font-weight:500;color:var(--text-secondary);text-decoration:none;transition:var(--transition)}.mobile-navlink:hover,.mobile-navlink.active{background:var(--accent-dim);color:var(--accent-bright)}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:28px;transition:var(--spring);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);position:relative;overflow:hidden}.card:before{content:"";position:absolute;inset:0;border-radius:inherit;background:var(--grad-surface);opacity:0;transition:var(--transition)}.card:hover{border-color:var(--border-hover);transform:translateY(-3px);box-shadow:0 16px 40px #0000004d,0 0 0 1px #3b82f61a}.card:hover:before{opacity:1}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border:1px solid transparent;border-radius:var(--radius-sm);font-family:var(--font-body);font-size:14px;font-weight:600;cursor:pointer;text-decoration:none;transition:var(--spring);white-space:nowrap}.btn-primary{background:var(--grad-primary);color:#fff;box-shadow:0 4px 20px var(--accent-glow)}.btn-primary:hover{opacity:.9;transform:translateY(-1px);box-shadow:0 8px 28px var(--accent-glow)}.btn-secondary{background:var(--bg-glass);color:var(--text-secondary);border:1px solid var(--border)}.btn-secondary:hover{background:var(--bg-glass-hov);color:var(--text-primary);border-color:var(--border-hover);transform:translateY(-1px)}.btn-ghost{background:transparent;color:var(--text-muted);border:1px solid var(--border)}.btn-ghost:hover{background:var(--bg-glass);color:var(--text-primary)}.btn-danger{background:#ef44441f;color:#ef4444;border:1px solid rgba(239,68,68,.25)}.btn-danger:hover{background:#ef444433;transform:translateY(-1px)}.btn-lg{padding:14px 32px;font-size:15px;border-radius:var(--radius-md)}.btn-sm{padding:8px 16px;font-size:13px}.btn:disabled{opacity:.45;cursor:not-allowed;transform:none!important}.form-wrapper{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:40px;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);max-width:560px;width:100%}.form-group{display:flex;flex-direction:column;gap:6px;margin-bottom:20px}.form-label{font-size:13px;font-weight:500;color:var(--text-secondary);letter-spacing:.01em}.form-label span{color:var(--red);margin-left:2px}.form-input{width:100%;padding:12px 16px;font-family:var(--font-body);font-size:14px;color:var(--text-primary);background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);outline:none;transition:var(--transition);-webkit-appearance:none}.form-input::placeholder{color:var(--text-faint)}.form-input:focus{border-color:var(--border-focus);background:#3b82f60f;box-shadow:0 0 0 3px #3b82f61f}.form-input.error{border-color:var(--red);background:#ef44440f}.form-hint{font-size:12px;color:var(--text-muted)}.form-hint.error{color:var(--red)}.radio-group{display:flex;gap:12px;flex-wrap:wrap}.radio-option{display:flex;align-items:center;gap:8px;padding:10px 18px;border:1px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition);font-size:14px;font-weight:500;color:var(--text-secondary);background:var(--bg-glass);-webkit-user-select:none;user-select:none}.radio-option input[type=radio]{display:none}.radio-option.selected{border-color:var(--accent);background:var(--accent-dim);color:var(--accent-bright)}.radio-option:hover{border-color:var(--border-hover);color:var(--text-primary)}select.form-input{cursor:pointer;background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7fa3' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");background-repeat:no-repeat;background-position:right 12px center;background-size:16px;padding-right:40px}.alert{display:flex;align-items:center;gap:10px;padding:12px 16px;border-radius:var(--radius-sm);font-size:14px;font-weight:500;animation:slide-in .3s ease;margin-top:4px}.alert-success{background:#22c55e1a;border:1px solid rgba(34,197,94,.25);color:#4ade80}.alert-error{background:#ef44441a;border:1px solid rgba(239,68,68,.25);color:#f87171}.badge{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.02em}.badge-blue{background:#3b82f626;color:#60a5fa}.badge-green{background:#22c55e26;color:#4ade80}.badge-purple{background:#a855f726;color:#c084fc}.badge-yellow{background:#f59e0b26;color:#fbbf24}.badge-red{background:#ef444426;color:#f87171}.avatar{width:48px;height:48px;border-radius:14px;background:var(--grad-primary);display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;color:#fff;flex-shrink:0;box-shadow:0 4px 12px var(--accent-glow)}.avatar-lg{width:64px;height:64px;border-radius:18px;font-size:20px}.loading-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:60vh;gap:16px}.spinner{width:40px;height:40px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite}.spinner-sm{width:20px;height:20px;border-width:2px}.stat-pill{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;background:var(--bg-glass);border:1px solid var(--border);border-radius:999px;font-size:13px;color:var(--text-muted)}.stat-dot{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 8px var(--green);animation:pulse-dot 2s ease-in-out infinite}.grid-3{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}.grid-2{display:grid;grid-template-columns:repeat(auto-fill,minmax(360px,1fr));gap:20px}.section-header{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px;flex-wrap:wrap}.section-eyebrow{font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin-bottom:6px}.search-bar{position:relative;max-width:320px;width:100%}.search-bar input{width:100%;padding:10px 16px 10px 40px;font-family:var(--font-body);font-size:14px;color:var(--text-primary);background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);outline:none;transition:var(--transition)}.search-bar input:focus{border-color:var(--border-focus);box-shadow:0 0 0 3px #3b82f61f}.search-bar .search-icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--text-muted);pointer-events:none}.counter-card{max-width:440px;width:100%;display:flex;flex-direction:column;align-items:center;gap:32px;padding:48px 40px}.counter-display{display:flex;flex-direction:column;align-items:center;gap:8px}.counter-number{font-family:var(--font-display);font-size:clamp(72px,15vw,112px);font-weight:800;line-height:1;letter-spacing:-.04em;transition:var(--spring);background:var(--grad-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;filter:drop-shadow(0 0 20px rgba(59,130,246,.4))}.counter-number.negative{background:linear-gradient(135deg,#ef4444,#f97316);-webkit-background-clip:text;background-clip:text}.counter-number.zero{background:linear-gradient(135deg,#6b7fa3,#94a3c4);-webkit-background-clip:text;background-clip:text;filter:none}.counter-label{font-size:13px;color:var(--text-muted);font-weight:500}.counter-controls{display:flex;flex-direction:column;gap:16px;width:100%}.counter-main-buttons{display:grid;grid-template-columns:1fr 1fr;gap:12px}.btn-inc{background:linear-gradient(135deg,#22c55e,#16a34a);color:#fff;border:none;box-shadow:0 4px 20px #22c55e40}.btn-inc:hover{opacity:.9;transform:translateY(-2px);box-shadow:0 8px 28px #22c55e59}.btn-dec{background:linear-gradient(135deg,#ef4444,#dc2626);color:#fff;border:none;box-shadow:0 4px 20px #ef444440}.btn-dec:hover{opacity:.9;transform:translateY(-2px);box-shadow:0 8px 28px #ef444459}.counter-step-row{display:flex;align-items:center;gap:10px}.counter-step-row label{font-size:13px;color:var(--text-muted);white-space:nowrap;font-weight:500}.counter-step-input{flex:1;padding:10px 14px;font-family:var(--font-body);font-size:14px;font-weight:600;color:var(--text-primary);background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);outline:none;text-align:center;transition:var(--transition)}.counter-step-input:focus{border-color:var(--border-focus);box-shadow:0 0 0 3px #3b82f61f}.counter-status{display:flex;align-items:center;gap:10px;padding:12px 18px;background:#ffffff06;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:13px;color:var(--text-muted);width:100%}.hero-section{text-align:center;padding:60px 24px 48px;display:flex;flex-direction:column;align-items:center;gap:24px}.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;background:linear-gradient(135deg,#3b82f626,#8b5cf626);border:1px solid rgba(59,130,246,.25);border-radius:999px;font-size:13px;font-weight:600;color:var(--accent-bright)}.hero-heading{font-family:var(--font-display);font-size:clamp(2.2rem,6vw,4rem);font-weight:800;letter-spacing:-.03em;line-height:1.1;background:linear-gradient(135deg,#f0f4ff,#94a3b8);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-heading span{background:var(--grad-primary);-webkit-background-clip:text;background-clip:text}.hero-subtitle{max-width:500px;font-size:16px;color:var(--text-muted);line-height:1.7}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-top:40px}.feature-card{padding:28px 24px;display:flex;flex-direction:column;gap:14px}.feature-icon{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:20px;background:var(--grad-surface);border:1px solid var(--border);flex-shrink:0}.student-card{display:flex;flex-direction:column;gap:16px}.student-card-header{display:flex;align-items:center;gap:14px}.student-info-row{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-muted);overflow:hidden}.student-info-row svg{flex-shrink:0}.student-info-row span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.student-card-footer{display:flex;align-items:center;justify-content:space-between;margin-top:4px;padding-top:14px;border-top:1px solid var(--border)}.divider{border:none;border-top:1px solid var(--border);margin:0}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:80px 24px;text-align:center}.empty-state-icon{font-size:48px;filter:grayscale(.4)}.empty-state h3{font-size:18px;color:var(--text-secondary)}.empty-state p{font-size:14px;color:var(--text-muted);max-width:300px}.page-header{margin-bottom:40px}.page-header .section-eyebrow{margin-bottom:8px}@keyframes fade-up{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes fade-in{0%{opacity:0}to{opacity:1}}@keyframes slide-in{0%{opacity:0;transform:translate(-10px)}to{opacity:1;transform:translate(0)}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse-dot{0%,to{opacity:1;transform:scale(1)}50%{opacity:.6;transform:scale(.85)}}@keyframes number-pop{0%{transform:scale(1)}40%{transform:scale(1.08)}to{transform:scale(1)}}.animate-up{animation:fade-up .5s ease both}.animate-in{animation:fade-in .4s ease both}.animate-num-pop{animation:number-pop .25s ease}@media(max-width:768px){.navbar-links{display:none}.navbar-hamburger{display:flex}.page-container{padding-top:calc(var(--navbar-h) + 24px);padding-left:16px;padding-right:16px}.form-wrapper{padding:24px 20px}.counter-card{padding:36px 24px}.counter-main-buttons{grid-template-columns:1fr 1fr}.hero-section{padding:36px 16px 32px}.section-header{flex-direction:column;align-items:flex-start}.grid-3{grid-template-columns:1fr}.hero-heading{font-size:2rem}}@media(max-width:480px){.radio-group{flex-direction:column}.hero-actions{flex-direction:column;align-items:center;width:100%}.btn{width:100%}.counter-main-buttons{grid-template-columns:1fr}}