:root{--color-void-black: #0A0A0A;--color-deep-blue: #0A1128;--color-cyber-cyan: #06B6D4;--color-accent-light: #22D3EE;--color-accent-rgb: 6, 182, 212;--color-neon-emerald: #10B981;--color-warm-amber: #F59E0B;--color-hot-red: #EF4444;--color-ice-white: #F8FAFC;--color-smoke-gray: #94A3B8;--gradient-card: linear-gradient(135deg, #0A1128 0%, #0A0A0A 100%);--gradient-primary: linear-gradient(90deg, #06B6D4, #10B981);--gradient-glow: radial-gradient(circle, rgba(6, 182, 212, .3), transparent);--font-heading: "Space Grotesk", sans-serif;--font-body: "Inter", sans-serif;--font-mono: "JetBrains Mono", monospace;--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 32px;--space-2xl: 48px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--radius-full: 9999px;--ease-out: cubic-bezier(.16, 1, .3, 1);--transition-fast: .15s var(--ease-out);--transition-normal: .25s var(--ease-out)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-body);font-weight:400;color:var(--color-ice-white);background-color:var(--color-void-black);min-height:100vh;line-height:1.6}a{color:var(--color-cyber-cyan);text-decoration:none;transition:color var(--transition-fast)}h1,h2,h3,h4{font-family:var(--font-heading);line-height:1.2}h1{font-size:clamp(2rem,6vw,4rem);font-weight:700}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--space-md)}.app{display:flex;flex-direction:column;min-height:100vh}.app__header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-md) var(--space-lg);border-bottom:1px solid rgba(var(--color-accent-rgb),.1)}.app__logo{font-family:var(--font-heading);font-size:1.5rem;font-weight:700;color:var(--color-ice-white);display:flex;align-items:center;gap:var(--space-sm)}.app__main{flex:1}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:var(--space-md) var(--space-xl);border-radius:var(--radius-md);font-family:var(--font-heading);font-weight:600;font-size:1rem;transition:all var(--transition-normal);cursor:pointer;border:none}.btn--primary{background:var(--gradient-primary);color:var(--color-void-black);box-shadow:0 0 24px #06b6d44d}.btn--primary:hover{box-shadow:0 0 40px #06b6d480;transform:translateY(-2px)}.btn--secondary{background:rgba(var(--color-accent-rgb),.1);color:var(--color-cyber-cyan);border:1px solid rgba(var(--color-accent-rgb),.3)}.btn--secondary:hover{background:rgba(var(--color-accent-rgb),.2)}.card{background:var(--gradient-card);border:1px solid rgba(var(--color-accent-rgb),.2);border-radius:var(--radius-xl);padding:var(--space-xl);box-shadow:0 8px 32px #0006}:root{--space-3xl: 80px}.app__nav{display:flex;align-items:center;gap:var(--space-lg)}.app__nav-link{font-size:.875rem;font-weight:500;color:var(--color-smoke-gray);cursor:pointer;transition:color var(--transition-fast)}.app__nav-link:hover{color:var(--color-ice-white)}.btn:disabled{opacity:.4;cursor:not-allowed;transform:none!important;box-shadow:none!important}@keyframes fadeIn{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.animate-fade-in{animation:fadeIn .4s var(--ease-out) both}.animate-spin{animation:spin 1s linear infinite}.app__footer{padding:var(--space-lg) var(--space-md);text-align:center;color:var(--color-smoke-gray);font-size:.75rem;border-top:1px solid rgba(var(--color-accent-rgb),.08)}.login-page{min-height:calc(100vh - 200px);display:flex;align-items:center;justify-content:center;padding:var(--space-2xl) var(--space-md)}.login-card{background:var(--gradient-card);border:1px solid rgba(var(--color-accent-rgb),.2);border-radius:var(--radius-xl);padding:var(--space-2xl);width:100%;max-width:420px;box-shadow:0 8px 32px #00000080,0 0 80px rgba(var(--color-accent-rgb),.06)}.login-card__header{text-align:center;margin-bottom:var(--space-xl)}.login-card__title{font-size:1.75rem;margin-bottom:var(--space-sm)}.login-card__subtitle{color:var(--color-smoke-gray);font-size:.9rem}.login-form{display:flex;flex-direction:column;gap:var(--space-md)}.login-form__field{display:flex;flex-direction:column;gap:var(--space-xs)}.login-form__label{font-size:.85rem;font-weight:600;color:var(--color-smoke-gray)}.login-form__input{padding:var(--space-md);border-radius:var(--radius-sm);border:1px solid rgba(var(--color-accent-rgb),.3);background:#0a0a0a99;color:var(--color-ice-white);font-family:inherit;font-size:1rem;outline:none;transition:border-color var(--transition-fast)}.login-form__input:focus{border-color:var(--color-cyber-cyan);box-shadow:0 0 0 3px rgba(var(--color-accent-rgb),.15)}.login-form__error{padding:var(--space-sm) var(--space-md);background:#ef44441a;border:1px solid rgba(239,68,68,.3);border-radius:var(--radius-sm);color:var(--color-hot-red);font-size:.85rem}.login-form__submit{width:100%;margin-top:var(--space-sm)}.login-card__footer{text-align:center;margin-top:var(--space-lg)}.login-card__toggle{color:var(--color-cyber-cyan);font-size:.85rem;cursor:pointer;background:none;border:none;font-family:inherit}.login-card__toggle:hover{color:var(--color-accent-light)}.pricing-page{padding:var(--space-2xl) var(--space-md);max-width:1000px;margin:0 auto}.pricing-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:var(--space-lg)}.pricing-card{background:var(--gradient-card);border:1px solid rgba(var(--color-accent-rgb),.15);border-radius:var(--radius-lg);padding:var(--space-xl);position:relative;transition:all var(--transition-normal)}.pricing-card:hover{border-color:rgba(var(--color-accent-rgb),.4);transform:translateY(-4px);box-shadow:0 8px 32px #0000004d}.pricing-card--popular{border-color:var(--color-cyber-cyan);box-shadow:0 0 40px rgba(var(--color-accent-rgb),.15)}.pricing-card__badge{position:absolute;top:-12px;left:50%;transform:translate(-50%);background:var(--gradient-primary);color:var(--color-void-black);font-size:.75rem;font-weight:700;padding:4px 16px;border-radius:var(--radius-full);text-transform:uppercase;letter-spacing:.05em}.pricing-card__header{text-align:center;margin-bottom:var(--space-lg)}.pricing-card__price{font-family:var(--font-heading);font-size:3rem;font-weight:700;color:var(--color-ice-white);margin-top:var(--space-sm)}.pricing-card__price span{font-size:1rem;font-weight:400;color:var(--color-smoke-gray)}.pricing-card__features{list-style:none;display:flex;flex-direction:column;gap:var(--space-sm);margin-bottom:var(--space-xl);font-size:.9rem}.pricing-card__features li{padding:var(--space-xs) 0;color:var(--color-smoke-gray)}.pricing-card__btn{width:100%}.help-page{padding:var(--space-2xl) var(--space-md);max-width:700px;margin:0 auto}.faq-list{display:flex;flex-direction:column;gap:var(--space-sm)}.faq-item{background:var(--gradient-card);border:1px solid rgba(var(--color-accent-rgb),.15);border-radius:var(--radius-md);padding:var(--space-md) var(--space-lg);cursor:pointer;transition:all var(--transition-fast)}.faq-item:hover{border-color:rgba(var(--color-accent-rgb),.3)}.faq-item--open{border-color:var(--color-cyber-cyan)}.faq-item__question{display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:.95rem}.faq-item__icon{font-size:1.25rem;color:var(--color-cyber-cyan);flex-shrink:0;margin-left:var(--space-md)}.faq-item__answer{margin-top:var(--space-md);color:var(--color-smoke-gray);font-size:.9rem;line-height:1.6}.landing-hero{min-height:calc(100vh - 200px);display:flex;align-items:center;justify-content:center;text-align:center;padding:var(--space-3xl) var(--space-md);position:relative}.landing-hero:before{content:"";position:absolute;top:-20%;left:50%;transform:translate(-50%);width:600px;height:600px;background:var(--gradient-glow);filter:blur(100px);pointer-events:none;z-index:0}.landing-hero__content{position:relative;z-index:1;max-width:680px}.landing-hero__title{font-size:clamp(2rem,5vw,3.5rem);margin-bottom:var(--space-lg);display:flex;align-items:center;justify-content:center;gap:var(--space-md);flex-wrap:wrap}.landing-hero__tagline{font-size:1.1rem;color:var(--color-smoke-gray);line-height:1.7;margin-bottom:var(--space-xl)}.landing-hero__actions{display:flex;gap:var(--space-md);justify-content:center;flex-wrap:wrap}.btn--lg{padding:var(--space-lg) var(--space-2xl);font-size:1.1rem;border-radius:var(--radius-lg)}.landing-features,.landing-modalities{padding:var(--space-3xl) var(--space-md);max-width:1000px;margin:0 auto}.landing-section__title{text-align:center;margin-bottom:var(--space-2xl)}.landing-features__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:var(--space-xl)}.landing-feature{background:var(--gradient-card);border:1px solid rgba(var(--color-accent-rgb),.12);border-radius:var(--radius-lg);padding:var(--space-xl);text-align:center;transition:all var(--transition-normal)}.landing-feature:hover{border-color:rgba(var(--color-accent-rgb),.3);transform:translateY(-4px)}.landing-feature__icon{font-size:2.5rem;margin-bottom:var(--space-md)}.landing-feature h3{margin-bottom:var(--space-sm)}.landing-feature p{color:var(--color-smoke-gray);font-size:.9rem;line-height:1.6}.landing-cta{text-align:center;padding:var(--space-3xl) var(--space-md);background:rgba(var(--color-accent-rgb),.03);border-top:1px solid rgba(var(--color-accent-rgb),.08)}.landing-cta h2{margin-bottom:var(--space-sm)}.landing-cta p{color:var(--color-smoke-gray);margin-bottom:var(--space-xl)}.admin-page{padding:var(--space-xl) var(--space-md);max-width:900px;margin:0 auto}.admin-tabs{display:flex;gap:var(--space-sm);margin-bottom:var(--space-xl)}.admin-tab{padding:var(--space-sm) var(--space-lg);border-radius:var(--radius-sm);font-size:.9rem;font-weight:600;color:var(--color-smoke-gray);transition:all var(--transition-fast);border:1px solid transparent;background:none;cursor:pointer;font-family:inherit}.admin-tab:hover{color:var(--color-ice-white);background:rgba(var(--color-accent-rgb),.05)}.admin-tab--active{color:var(--color-cyber-cyan);background:rgba(var(--color-accent-rgb),.1);border-color:rgba(var(--color-accent-rgb),.3)}.admin-section{margin-bottom:var(--space-2xl)}.admin-section__title{margin-bottom:var(--space-md)}.admin-prompts{display:flex;flex-direction:column;gap:var(--space-md)}.admin-prompt-card{background:var(--gradient-card);border:1px solid rgba(var(--color-accent-rgb),.12);border-radius:var(--radius-md);padding:var(--space-lg)}.admin-prompt-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:var(--space-md)}.admin-prompt-desc{color:var(--color-smoke-gray);font-size:.85rem;margin-top:4px}.admin-prompt-meta{font-size:.75rem;color:var(--color-smoke-gray)}.admin-prompt-content{background:#0000004d;border-radius:var(--radius-sm);padding:var(--space-md);font-family:var(--font-mono);font-size:.8rem;white-space:pre-wrap;word-break:break-word;color:var(--color-smoke-gray);max-height:200px;overflow-y:auto}.admin-prompt-textarea{width:100%;background:#0000004d;border:1px solid rgba(var(--color-accent-rgb),.3);border-radius:var(--radius-sm);padding:var(--space-md);font-family:var(--font-mono);font-size:.8rem;color:var(--color-ice-white);resize:vertical;outline:none}.admin-prompt-textarea:focus{border-color:var(--color-cyber-cyan)}.admin-prompt-actions{display:flex;gap:var(--space-sm);justify-content:flex-end;margin-top:var(--space-md)}.admin-prompt-view{display:flex;flex-direction:column;gap:var(--space-md)}.admin-prompt-editor,.admin-users{display:flex;flex-direction:column;gap:var(--space-sm)}.admin-user-card{display:flex;justify-content:space-between;align-items:center;padding:var(--space-md);background:var(--gradient-card);border:1px solid rgba(var(--color-accent-rgb),.1);border-radius:var(--radius-sm)}.custom-select{position:relative;display:inline-block}.custom-select--md{min-width:200px}.custom-select--sm{min-width:120px}.custom-select__trigger{display:flex;align-items:center;justify-content:space-between;gap:var(--space-sm);width:100%;background:#0a0a0acc;border:1px solid rgba(var(--color-accent-rgb),.3);border-radius:var(--radius-sm);color:var(--color-ice-white);font-family:inherit;cursor:pointer;transition:all var(--transition-fast);outline:none}.custom-select--md .custom-select__trigger{padding:var(--space-md);font-size:1rem}.custom-select--sm .custom-select__trigger{padding:4px 10px;font-size:.85rem}.custom-select__trigger:hover,.custom-select__trigger:focus-visible{border-color:var(--color-cyber-cyan);box-shadow:0 0 0 3px rgba(var(--color-accent-rgb),.12)}.custom-select__chevron{flex-shrink:0;color:var(--color-smoke-gray);transition:transform var(--transition-fast)}.custom-select__chevron--open{transform:rotate(180deg)}.custom-select__dropdown{position:absolute;top:calc(100% + 4px);left:0;right:0;z-index:50;list-style:none;background:#0a0e1cf5;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid rgba(var(--color-accent-rgb),.25);border-radius:var(--radius-sm);padding:4px;box-shadow:0 12px 40px #0009,0 0 24px rgba(var(--color-accent-rgb),.08);animation:selectDropIn .15s var(--ease-out) both}@keyframes selectDropIn{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}.custom-select__option{padding:8px 12px;border-radius:6px;cursor:pointer;font-size:.9rem;color:var(--color-smoke-gray);transition:all var(--transition-fast)}.custom-select--sm .custom-select__option{padding:5px 10px;font-size:.82rem}.custom-select__option:hover{background:rgba(var(--color-accent-rgb),.12);color:var(--color-ice-white)}.custom-select__option--active{color:var(--color-cyber-cyan);background:rgba(var(--color-accent-rgb),.08);font-weight:600}.toast-container{position:fixed;top:20px;right:20px;z-index:9999;display:flex;flex-direction:column;gap:10px;max-width:420px;pointer-events:none}.toast{display:flex;align-items:center;gap:10px;padding:14px 18px;border-radius:var(--radius-md);background:#0a0e1cf2;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid rgba(var(--color-accent-rgb),.2);box-shadow:0 8px 32px #00000080,0 0 20px rgba(var(--color-accent-rgb),.06);font-size:.9rem;color:var(--color-ice-white);pointer-events:auto;animation:toastSlideIn .3s var(--ease-out) both}@keyframes toastSlideIn{0%{opacity:0;transform:translate(40px)}to{opacity:1;transform:translate(0)}}.toast--error{border-color:#ef444466}.toast--error .toast__icon{color:var(--color-hot-red)}.toast--success{border-color:#10b98166}.toast--success .toast__icon{color:var(--color-neon-emerald)}.toast--info .toast__icon{color:var(--color-cyber-cyan)}.toast__icon{flex-shrink:0}.toast__message{flex:1;line-height:1.4}.toast__close{flex-shrink:0;background:none;border:none;color:var(--color-smoke-gray);cursor:pointer;padding:2px;border-radius:4px;transition:all var(--transition-fast)}.toast__close:hover{color:var(--color-ice-white);background:#ffffff1a}.error-boundary{min-height:calc(100vh - 200px);display:flex;align-items:center;justify-content:center;padding:var(--space-2xl) var(--space-md)}.error-boundary__card{background:var(--gradient-card);border:1px solid rgba(239,68,68,.3);border-radius:var(--radius-xl);padding:var(--space-2xl);max-width:480px;text-align:center;box-shadow:0 8px 32px #00000080}.error-boundary__icon{color:var(--color-hot-red);margin-bottom:var(--space-md)}.error-boundary__title{font-size:1.5rem;margin-bottom:var(--space-sm)}.error-boundary__message{color:var(--color-smoke-gray);font-size:.95rem;margin-bottom:var(--space-lg)}.error-boundary__detail{background:#0000004d;border-radius:var(--radius-sm);padding:var(--space-md);font-family:var(--font-mono);font-size:.8rem;color:var(--color-smoke-gray);white-space:pre-wrap;word-break:break-word;max-height:120px;overflow-y:auto;margin-bottom:var(--space-lg);text-align:left}.error-boundary__actions{display:flex;gap:var(--space-md);justify-content:center}.auth-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:300px}.app__mobile-toggle{display:none;background:none;border:none;color:var(--color-ice-white);cursor:pointer;padding:var(--space-sm);z-index:200}@media(max-width:768px){.app__mobile-toggle{display:flex;align-items:center;justify-content:center}.app__nav{position:fixed;inset:0;background:#0a0a0af2;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);flex-direction:column;justify-content:center;align-items:center;z-index:150;padding:var(--space-2xl);opacity:0;pointer-events:none;transform:translateY(-20px);transition:opacity var(--transition-normal),transform var(--transition-normal)}.app__nav--open{opacity:1;pointer-events:auto;transform:translateY(0)}.app__header{position:relative}.app__nav-link{font-size:1rem}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.skeleton{background:linear-gradient(90deg,#ffffff0a 25%,#ffffff14,#ffffff0a 75%);background-size:200% 100%;animation:shimmer 1.5s ease infinite;border-radius:var(--radius-sm)}.skeleton--text{height:1rem;margin-bottom:var(--space-sm)}.skeleton--card{height:120px;border-radius:var(--radius-lg)}.settings-page{padding:var(--space-xl) var(--space-md);max-width:680px;margin:0 auto}.settings-section{background:var(--gradient-card);border:1px solid rgba(var(--color-accent-rgb),.12);border-radius:var(--radius-lg);padding:var(--space-xl);margin-bottom:var(--space-lg);transition:border-color var(--transition-fast)}.settings-section:hover{border-color:rgba(var(--color-accent-rgb),.25)}.settings-section--danger{border-color:#ef444440}.settings-section--danger:hover{border-color:#ef444466}.settings-section__header{display:flex;align-items:center;gap:var(--space-sm);margin-bottom:var(--space-lg);color:var(--color-ice-white)}.settings-section__header h2{font-size:1.1rem;font-weight:600}.settings-section__body{display:flex;flex-direction:column;gap:var(--space-md)}.settings-field{display:flex;flex-direction:column;gap:var(--space-xs)}.settings-field__label{font-size:.85rem;font-weight:600;color:var(--color-smoke-gray)}.settings-field__input{padding:var(--space-md);border-radius:var(--radius-sm);border:1px solid rgba(var(--color-accent-rgb),.3);background:#0a0a0a99;color:var(--color-ice-white);font-family:inherit;font-size:1rem;outline:none;transition:border-color var(--transition-fast)}.settings-field__input:focus{border-color:var(--color-cyber-cyan);box-shadow:0 0 0 3px rgba(var(--color-accent-rgb),.15)}.settings-field__input:disabled{opacity:.5;cursor:not-allowed}.settings-field__hint{font-size:.75rem;color:var(--color-smoke-gray);opacity:.7}.plan-badge{display:inline-block;padding:4px 14px;border-radius:var(--radius-full);font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;background:var(--gradient-primary);color:var(--color-void-black)}.plan-badge--lg{padding:6px 20px;font-size:.85rem}.btn--danger{padding:var(--space-sm) var(--space-lg);border-radius:var(--radius-sm);font-size:.9rem;font-weight:600;cursor:pointer;border:1px solid rgba(239,68,68,.4);background:#ef44441a;color:#ef4444;font-family:inherit;display:inline-flex;align-items:center;gap:var(--space-xs);transition:all var(--transition-fast)}.btn--danger:hover:not(:disabled){background:#ef444433;border-color:#ef444499}.btn--danger:disabled{opacity:.5;cursor:not-allowed}.btn--ghost{padding:var(--space-sm) var(--space-md);border-radius:var(--radius-sm);font-size:.85rem;font-weight:500;cursor:pointer;border:none;background:none;color:var(--color-smoke-gray);font-family:inherit;display:inline-flex;align-items:center;gap:var(--space-xs);transition:all var(--transition-fast);text-decoration:none}.btn--ghost:hover{color:var(--color-ice-white);background:rgba(var(--color-accent-rgb),.08)}.btn--sm{padding:4px 10px;font-size:.8rem}.delete-confirm{padding:var(--space-lg);background:#ef44440d;border:1px solid rgba(239,68,68,.2);border-radius:var(--radius-md)}.billing-page{padding:var(--space-xl) var(--space-md);max-width:1000px;margin:0 auto}.billing-current{background:var(--gradient-card);border:1px solid rgba(var(--color-accent-rgb),.2);border-radius:var(--radius-lg);padding:var(--space-lg)}.billing-current__info{display:flex;align-items:center;gap:var(--space-md)}.model-test-page{padding:var(--space-xl) var(--space-md);max-width:1000px;margin:0 auto}.model-tests__runs{display:flex;flex-direction:column;gap:var(--space-md)}.test-run-card{background:var(--gradient-card);border:1px solid rgba(var(--color-accent-rgb),.12);border-radius:var(--radius-md);overflow:hidden}.test-run-card__header{display:flex;justify-content:space-between;align-items:center;padding:var(--space-md) var(--space-lg);flex-wrap:wrap;gap:var(--space-sm)}.test-run-card__stat{font-size:.8rem;color:var(--color-smoke-gray)}.test-run-card__rate{font-size:.8rem;font-weight:600;color:var(--color-smoke-gray)}.test-run-card__rate--success{color:var(--color-neon-emerald)}.test-run-card__details{border-top:1px solid rgba(var(--color-accent-rgb),.08)}.test-results-grid{display:flex;flex-direction:column;gap:var(--space-sm);padding:var(--space-md)}.test-result{padding:var(--space-md);border-radius:var(--radius-sm);border:1px solid rgba(var(--color-accent-rgb),.1);background:#0003}.test-result--success{border-left:3px solid var(--color-neon-emerald)}.test-result--error{border-left:3px solid var(--color-hot-red)}.test-result__header{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:var(--space-sm)}.test-result__model{font-weight:600;font-size:.9rem;margin-right:var(--space-sm)}.test-result__mode{font-size:.75rem;color:var(--color-smoke-gray);background:rgba(var(--color-accent-rgb),.08);padding:2px 8px;border-radius:var(--radius-full)}.test-result__stats{display:flex;gap:var(--space-md);font-size:.8rem;color:var(--color-smoke-gray)}.test-result__error{margin-top:var(--space-sm);padding:var(--space-sm);background:#ef44441a;border-radius:var(--radius-sm);color:#ef4444;font-size:.8rem}.test-result__notes{margin-top:var(--space-sm);font-size:.8rem;color:var(--color-smoke-gray);font-style:italic}.test-result__raw{margin-top:var(--space-sm);background:#0000004d;border-radius:var(--radius-sm);padding:var(--space-md);font-family:var(--font-mono);font-size:.75rem;white-space:pre-wrap;word-break:break-word;color:var(--color-smoke-gray);max-height:300px;overflow-y:auto}.not-found{text-align:center;padding:var(--space-3xl) var(--space-md)}.not-found__code{font-size:6rem;font-weight:900;font-family:var(--font-heading);background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:var(--space-md)}.not-found__text{color:var(--color-smoke-gray);font-size:1.1rem;margin-bottom:var(--space-xl);max-width:400px;margin-left:auto;margin-right:auto}.app__footer{text-align:center;padding:var(--space-lg) var(--space-md);color:var(--color-smoke-gray);font-size:.75rem;border-top:1px solid rgba(var(--color-accent-rgb),.08)}.app__footer-links{display:flex;justify-content:center;gap:var(--space-lg);margin-top:var(--space-sm)}.app__footer-links a{color:var(--color-smoke-gray);font-size:.8rem;transition:color var(--transition-fast)}.app__footer-links a:hover{color:var(--color-cyber-cyan)}.btn--sm{padding:4px 12px;font-size:.8rem;border-radius:var(--radius-sm)}.btn--danger{background:#ef44441a;color:var(--color-hot-red);border:1px solid rgba(239,68,68,.3)}.btn--danger:hover{background:#ef444433}.profile-page{padding:var(--space-2xl) var(--space-md);max-width:900px;margin:0 auto}.profile-page h1{font-size:1.75rem;display:flex;align-items:center;margin-bottom:var(--space-2xl)}.profile-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:var(--space-lg)}.profile-card{background:var(--gradient-card);border:1px solid rgba(var(--color-accent-rgb),.15);border-radius:var(--radius-lg);padding:var(--space-xl)}.profile-card h2{font-size:1.1rem;margin-bottom:var(--space-lg);display:flex;align-items:center;gap:var(--space-sm);color:var(--color-ice-white)}.profile-field{display:flex;justify-content:space-between;align-items:center;padding:var(--space-sm) 0;border-bottom:1px solid rgba(var(--color-accent-rgb),.08)}.profile-field:last-child{border-bottom:none}.profile-field__label{color:var(--color-smoke-gray);font-size:.85rem}.profile-field__value{font-weight:500;font-size:.9rem}.profile-field__edit{display:flex;align-items:center;gap:var(--space-sm)}.profile-field__input{padding:4px 10px;border-radius:var(--radius-sm);border:1px solid rgba(var(--color-accent-rgb),.3);background:#0a0a0a99;color:var(--color-ice-white);font-family:inherit;font-size:.9rem;outline:none;width:160px}.profile-field__input:focus{border-color:var(--color-cyber-cyan)}.profile-plan{margin-bottom:var(--space-lg)}.profile-plan__badge{display:inline-block;background:var(--gradient-primary);color:var(--color-void-black);font-weight:700;padding:var(--space-sm) var(--space-lg);border-radius:var(--radius-full);font-size:.9rem}.profile-stats{display:flex;gap:var(--space-xl);justify-content:center}.profile-stat{display:flex;flex-direction:column;align-items:center;gap:var(--space-xs)}.profile-stat__value{font-family:var(--font-heading);font-size:1.5rem;font-weight:700}.profile-stat__label{font-size:.75rem;color:var(--color-smoke-gray);text-transform:uppercase;letter-spacing:.05em}.legal-page{padding:var(--space-2xl) var(--space-md);max-width:750px;margin:0 auto}.legal-page h1{font-size:2rem;margin-bottom:var(--space-sm)}.legal-page__updated{color:var(--color-smoke-gray);font-size:.85rem;margin-bottom:var(--space-2xl)}.legal-section{margin-bottom:var(--space-2xl)}.legal-section h2{font-size:1.2rem;margin-bottom:var(--space-md);color:var(--color-cyber-cyan)}.legal-section h3{font-size:1rem;margin-top:var(--space-md);margin-bottom:var(--space-sm)}.legal-section p{color:var(--color-smoke-gray);line-height:1.7;margin-bottom:var(--space-sm)}.legal-section ul{list-style:none;padding-left:var(--space-md);margin-bottom:var(--space-md)}.legal-section ul li{color:var(--color-smoke-gray);line-height:1.8;position:relative;padding-left:var(--space-md)}.legal-section ul li:before{content:"•";position:absolute;left:0;color:var(--color-cyber-cyan)}@keyframes skeleton-pulse{0%{opacity:.3}50%{opacity:.6}to{opacity:.3}}.skeleton{background:rgba(var(--color-accent-rgb),.08);border-radius:var(--radius-sm);animation:skeleton-pulse 1.5s ease-in-out infinite}.skeleton--line{height:1rem;margin-bottom:var(--space-sm)}.skeleton--card{padding:var(--space-xl);display:flex;flex-direction:column;gap:var(--space-sm);background:var(--gradient-card);border:1px solid rgba(var(--color-accent-rgb),.08);border-radius:var(--radius-lg)}.skeleton-list{display:flex;flex-direction:column;gap:var(--space-md)}.course-delete-btn{padding:4px 8px;font-size:.75rem;background:none;border:1px solid rgba(239,68,68,.3);color:var(--color-hot-red);border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-fast);font-family:inherit}.course-delete-btn:hover{background:#ef444426;border-color:#ef444480}