:root{--color-primary: #3b82f6;--color-primary-hover: #2563eb;--color-primary-light: #dbeafe;--color-success: #10b981;--color-success-light: #d1fae5;--color-purple: #8b5cf6;--color-purple-light: #ede9fe;--color-slate-50: #f8fafc;--color-slate-100: #f1f5f9;--color-slate-200: #e2e8f0;--color-slate-300: #cbd5e1;--color-slate-400: #94a3b8;--color-slate-500: #64748b;--color-slate-600: #475569;--color-slate-700: #334155;--color-slate-800: #1e293b;--color-slate-900: #0f172a;--gray: #94a3b8;--color-white: #ffffff;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--spacing-3xl: 4rem;--spacing-4xl: 6rem;--border-radius-sm: .375rem;--border-radius-md: .5rem;--border-radius-lg: .75rem;--border-radius-xl: 1rem;--border-radius-2xl: 1.5rem;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .1), 0 8px 10px -6px rgb(0 0 0 / .1);--transition-fast: .15s ease-in-out;--transition-normal: .3s ease-in-out}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.6;color:var(--color-slate-800);background:var(--color-slate-800);min-height:100vh}.container{max-width:1200px;margin:0 auto;padding:0 var(--spacing-md)}@media (min-width: 640px){.container{padding:0 var(--spacing-lg)}}@media (min-width: 1024px){.container{padding:0 var(--spacing-xl)}}.header{background:#fffc;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--color-slate-200);position:sticky;top:0;z-index:10}.header__content{display:flex;align-items:center;justify-content:space-between;height:4rem}.header .header__left-group{display:flex;align-items:center}.header__brand{display:flex;align-items:center;gap:var(--spacing-sm)}.header__logo{padding:var(--spacing-sm);background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-primary-hover) 100%);border-radius:var(--border-radius-lg);color:var(--color-white);display:flex;align-items:center;justify-content:center}.header__title{font-size:1.5rem;font-weight:700;color:var(--color-slate-800)}@media (max-width: 768px){.header__title{display:none}}.header .auth-buttons-container,.header .auth-buttons-container .login-buttons{display:flex;align-items:center;gap:10px}.header .auth-buttons-container .user-info-container{display:flex;align-items:center;gap:15px}.header .auth-buttons-container .user-info-container .user-name{white-space:nowrap;font-weight:500;color:#333}@media (max-width: 768px){.header .auth-buttons-container .user-info-container .user-name{max-width:250px;overflow:hidden;text-overflow:ellipsis}}.header .auth-buttons-container .user-info-container .logout-btn{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border:1px solid #ccc;border-radius:20px;background-color:#f8f9fa;cursor:pointer;font-size:14px;font-weight:500;color:#333;transition:background-color .2s}.header .auth-buttons-container .user-info-container .logout-btn:hover{background-color:#e9ecef}@media (max-width: 768px){.header .auth-buttons-container .user-info-container .logout-btn span{display:none}}.header .auth-buttons-container .telegram-login-container{display:flex;align-content:center}.main{width:100%;margin:0 auto}@media (min-width: 640px){.main{padding:var(--spacing-3xl) 0}}@media (min-width: 1024px){.main{padding:var(--spacing-3xl) 0}}.hero{text-align:center;margin-bottom:var(--spacing-3xl)}.hero__title{font-size:2.25rem;font-weight:700;color:var(--color-slate-900);margin-bottom:var(--spacing-md)}@media (min-width: 768px){.hero__title{font-size:2.5rem}}.hero__subtitle{font-size:1.25rem;color:var(--color-slate-600);max-width:42rem;margin:0 auto;line-height:1.7}.upload-section{margin-bottom:var(--spacing-4xl)}.upload-card{background:var(--color-white);border-radius:var(--border-radius-2xl);box-shadow:var(--shadow-lg);border:1px solid var(--color-slate-200);overflow:hidden;padding:var(--spacing-xl)}.upload-area{position:relative;border:2px dashed var(--color-slate-300);border-radius:var(--border-radius-xl);padding:var(--spacing-3xl);text-align:center;transition:all var(--transition-normal);cursor:pointer;background:var(--color-slate-50)}.upload-area:hover,.upload-area--drag-over{border-color:var(--color-primary);background:var(--color-primary-light)}.upload-area--success{border-color:var(--color-success);background:var(--color-success-light)}.upload-area__input{display:none}.upload-state--default{display:block}.upload-state--success{display:none}.upload-state__title{font-size:1.125rem;font-weight:600;color:var(--color-slate-800);margin-bottom:var(--spacing-sm)}.upload-state__description{color:var(--color-slate-600);margin-bottom:var(--spacing-md)}.upload-icon{color:var(--color-slate-400);margin-bottom:var(--spacing-md)}.upload-icon--success{color:var(--color-success)}.supported-formats{display:flex;flex-wrap:wrap;justify-content:center;gap:var(--spacing-sm)}.format-tag{padding:var(--spacing-xs) var(--spacing-sm);background:var(--color-slate-200);color:var(--color-slate-700);border-radius:9999px;font-size:.875rem;font-weight:500}.file-info{background:var(--color-white);border-radius:var(--border-radius-lg);padding:var(--spacing-md);border:1px solid var(--color-success);max-width:24rem;margin:0 auto;display:flex;align-items:center;gap:var(--spacing-sm)}.file-info__icon{color:var(--color-primary);flex-shrink:0}.file-info__details{flex:1;min-width:0}.file-info__name{font-size:.875rem;font-weight:500;color:var(--color-slate-900);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.file-info__size{font-size:.75rem;color:var(--color-slate-500)}.drag-overlay{position:absolute;inset:0;background:#3b82f61a;border-radius:var(--border-radius-xl);display:none;align-items:center;justify-content:center}.drag-overlay--visible{display:flex}.drag-overlay__text{color:var(--color-primary-hover);font-weight:600}.analyze-section{margin-top:var(--spacing-xl);display:flex;justify-content:center}.analyze-btn{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-md) var(--spacing-xl);border-radius:var(--border-radius-xl);font-weight:600;font-size:1.125rem;transition:all var(--transition-normal);border:none;cursor:pointer}.analyze-btn:not(:disabled){background:var(--color-primary);color:var(--color-white);box-shadow:var(--shadow-lg)}.analyze-btn:not(:disabled):hover{background:var(--color-primary-hover);box-shadow:var(--shadow-xl);transform:translateY(-1px)}.analyze-btn:disabled{background:var(--color-slate-300);color:var(--color-slate-500);cursor:not-allowed}.analyze-btn--analyzing .analyze-btn__icon{animation:spin 1s linear infinite}.analyze-btn__icon{transition:transform var(--transition-normal)}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.features{margin-top:var(--spacing-4xl)}.features__grid{display:grid;grid-template-columns:1fr;gap:var(--spacing-xl)}@media (min-width: 768px){.features__grid{grid-template-columns:repeat(3,1fr)}}.feature-card{text-align:center;padding:var(--spacing-lg);background:var(--color-white);border-radius:var(--border-radius-xl);box-shadow:var(--shadow-md);border:1px solid var(--color-slate-200);transition:box-shadow var(--transition-normal)}.feature-card:hover{box-shadow:var(--shadow-lg)}.feature-card__icon{padding:var(--spacing-sm);border-radius:9999px;width:fit-content;margin:0 auto var(--spacing-md)}.feature-card__icon--blue{background:var(--color-primary-light);color:var(--color-primary-hover)}.feature-card__icon--green{background:var(--color-success-light);color:var(--color-success)}.feature-card__icon--purple{background:var(--color-purple-light);color:var(--color-purple)}.feature-card__title{font-size:1.25rem;font-weight:600;color:var(--color-slate-800);margin-bottom:var(--spacing-sm)}.feature-card__description{color:var(--color-slate-600)}.pricing{padding:var(--spacing-4xl) 0;text-align:center}.pricing__title{font-size:2rem;font-weight:700;color:var(--color-slate-900);margin-bottom:var(--spacing-md)}.pricing__subtitle{font-size:1.125rem;color:var(--color-slate-600);max-width:32rem;margin:0 auto var(--spacing-3xl)}.pricing__grid{display:grid;grid-template-columns:1fr;gap:var(--spacing-xl);max-width:1000px;margin:0 auto}@media (min-width: 768px){.pricing__grid{grid-template-columns:repeat(3,1fr)}}.pricing-card{background:var(--color-white);border-radius:var(--border-radius-2xl);box-shadow:var(--shadow-lg);border:1px solid var(--color-slate-200);padding:var(--spacing-xl);display:flex;flex-direction:column;text-align:left;transition:transform .2s,box-shadow .2s;position:relative}.pricing-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-xl)}.pricing-card.popular{border-color:var(--color-primary);transform:scale(1.05)}.pricing-card.popular .pricing-card__button{background:var(--color-primary);color:var(--color-white)}.pricing-card.popular .pricing-card__button:hover{background:var(--color-primary-hover)}.pricing-card .popular-badge{position:absolute;top:-15px;left:50%;transform:translate(-50%);background:var(--color-primary);color:var(--color-white);padding:5px 15px;border-radius:20px;font-size:.8rem;font-weight:700}.pricing-card__header{margin-bottom:var(--spacing-lg);border-bottom:1px solid var(--color-slate-200);padding-bottom:var(--spacing-lg);text-align:center}.pricing-card__title{font-size:1.25rem;font-weight:600}.pricing-card__price{font-size:2.5rem;font-weight:700;color:var(--color-slate-900);margin-top:var(--spacing-sm)}.pricing-card__body{flex-grow:1}.pricing-card__analyses{text-align:center;font-size:1rem;color:var(--color-slate-600);margin-bottom:var(--spacing-lg)}.pricing-card__features{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:var(--spacing-md)}.pricing-card__features li{display:flex;align-items:center;gap:var(--spacing-sm);color:var(--color-slate-700)}.pricing-card__features svg{color:var(--color-success);flex-shrink:0}.pricing-card__footer{margin-top:var(--spacing-xl)}.pricing-card__button{display:block;width:100%;text-align:center;padding:var(--spacing-md) 0;border:2px solid var(--color-primary);color:var(--color-primary);background:transparent;border-radius:var(--border-radius-lg);font-weight:600;text-decoration:none;transition:all .2s}.pricing-card__button:hover{background:var(--color-primary-light)}.footer{background:var(--color-white);border-top:1px solid var(--color-slate-200)}.footer__content{padding:var(--spacing-xl) 0;text-align:center;color:var(--color-slate-600);font-size:.9rem}.result-section{background:var(--color-slate-50);border-radius:var(--border-radius-2xl);box-shadow:0 4px 12px #0000000d;margin-top:20px;display:none;flex-direction:column;transition:all .25s ease;width:100%}.result-section.active{display:flex;animation:slideInUp .4s ease}@media (max-width: 768px){.result-section{border-radius:0;box-shadow:none;margin:0;display:none;z-index:1000;transition:transform .25s ease}.result-section.active{transform:translateY(0)}.result-section.fullscreen{position:fixed;inset:0;z-index:2000;border-radius:0;transform:translateY(0);animation:zoomIn .4s ease;max-height:100%}.result-section.fullscreen .result-header{border-radius:0}}@media (min-width: 769px){.result-section{flex:1;margin-top:0}.result-section.fullscreen{position:fixed;inset:0;z-index:2000;border-radius:0;animation:zoomIn .4s ease}.result-section.fullscreen .result-header{border-radius:0}}@keyframes slideInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes zoomIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.result-header{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-lg) var(--spacing-xl);border-bottom:1px solid var(--color-slate-200);background:var(--color-slate-50);border-radius:var(--border-radius-2xl) var(--border-radius-2xl) 0 0}.result-header__controls{display:flex;align-items:center;gap:var(--spacing-sm)}.result-header__controls .analyze-btn{border-radius:var(--border-radius-md);height:2.5rem}.result-header .loading-indicator{display:inline-flex;align-items:center;gap:4px}.result-header .loading-indicator span{width:8px;height:8px;background-color:#888;border-radius:50%;animation:blink 1.4s infinite both}.result-header .loading-indicator span:nth-child(2){animation-delay:.2s}.result-header .loading-indicator span:nth-child(3){animation-delay:.4s}@keyframes blink{0%{opacity:.2}20%{opacity:1}to{opacity:.2}}.result-content{flex:1;overflow-y:auto;padding:20px;background:#fff;border-radius:0 0 var(--border-radius-xl) var(--border-radius-xl)}@media (max-width: 768px){.result-content{max-height:calc(100vh - 120px);padding:20px 16px}}@media (min-width: 769px){.result-content{max-height:100%}}.markdown-body{font-size:1rem;line-height:1.7;color:var(--color-slate-800)}.markdown-body h1,.markdown-body h2,.markdown-body h3,.markdown-body h4,.markdown-body h5,.markdown-body h6{margin-top:1.5rem;margin-bottom:1rem;font-weight:700;line-height:1.3;color:var(--color-slate-900)}.markdown-body h1{font-size:1.5rem;border-bottom:2px solid var(--color-primary-light);padding-bottom:.5rem}.markdown-body h2{font-size:1.3rem;border-bottom:1px solid var(--color-slate-200);padding-bottom:.3rem}.markdown-body h3{font-size:1.15rem}.markdown-body p{font-weight:600;margin-top:0;margin-bottom:1rem;color:var(--color-slate-700)}.markdown-body ul,.markdown-body ol{padding-left:1.5rem;margin-top:0;margin-bottom:1rem}.markdown-body li{margin-bottom:.5rem;color:var(--color-slate-700)}.markdown-body blockquote{margin:1.5rem 0;padding:1rem 1.5rem;color:var(--color-slate-700);border-left:4px solid var(--color-primary-light);background:var(--color-primary-light);border-radius:var(--border-radius-md);font-style:italic}.markdown-body code{font-size:.9rem;padding:.2em .4em;background-color:var(--color-slate-200);border-radius:var(--border-radius-sm);color:var(--color-primary-hover)}.markdown-body pre{font-size:.9rem;line-height:1.5;background-color:var(--color-slate-900);color:var(--color-slate-200);border-radius:var(--border-radius-lg);padding:16px;overflow-x:auto;margin:1.5rem 0;border:1px solid var(--color-slate-700)}.markdown-body pre code{background-color:transparent;padding:0;color:inherit}.markdown-body a{color:var(--color-primary);text-decoration:none;font-weight:500}.markdown-body a:hover{text-decoration:underline;color:var(--color-primary-hover)}.markdown-body table{border-collapse:collapse;margin:1.5rem 0;width:100%;font-size:.95rem;overflow-x:auto;display:block}.markdown-body th,.markdown-body td{border:1px solid var(--color-slate-200);padding:12px;text-align:left}.markdown-body th{background:var(--color-slate-100);font-weight:600;color:var(--color-primary-hover)}.markdown-body hr{border:0;border-top:1px solid var(--color-slate-200);margin:2rem 0}.fullscreen-toggle{display:flex;align-items:center;justify-content:center;width:2.5rem;height:2.5rem;border:none;background:var(--color-white);border-radius:var(--border-radius-md);cursor:pointer;transition:all var(--transition-fast);box-shadow:var(--shadow-sm)}.fullscreen-toggle:hover{background:var(--color-slate-100);box-shadow:var(--shadow-md)}.fullscreen-toggle__icon{color:var(--color-slate-600);transition:transform var(--transition-normal)}.error-message{background:#fef2f2;border:1px solid #fecaca;color:#dc2626;padding:16px;border-radius:var(--border-radius-2xl);margin:20px 0;display:none}.app-layout.logged-out .sidebar,.app-layout.logged-out .sidebar-toggle-btn{display:none!important}.app-layout{display:flex;min-height:100vh}.sidebar{width:260px;background-color:var(--color-slate-800);color:var(--color-slate-200);display:flex;flex-direction:column;flex-shrink:0;border-right:1px solid var(--color-slate-700)}@media (max-width: 1024px){.sidebar{display:none}}.sidebar__header{padding:var(--spacing-md);border-bottom:1px solid var(--color-slate-700);height:4rem;display:flex}.sidebar__content{flex:1;overflow-y:auto;padding:var(--spacing-md)}.content-wrapper{flex:1;display:flex;flex-direction:column;background:linear-gradient(135deg,var(--color-slate-50) 0%,var(--color-primary-light) 50%,var(--color-slate-100) 100%);min-width:0}.new-analysis-btn{display:flex;align-items:center;gap:var(--spacing-sm);width:100%;padding:var(--spacing-sm) var(--spacing-md);border:1px solid var(--color-slate-600);border-radius:var(--border-radius-md);background-color:transparent;color:var(--color-slate-200);font-size:.9rem;font-weight:500;text-align:left;cursor:pointer;transition:all .25s ease}.new-analysis-btn:hover{background-color:var(--color-slate-700)}.history-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:var(--spacing-xs)}.history-item a{display:block;padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--border-radius-md);color:var(--color-slate-300);text-decoration:none;font-size:.9rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:all .25s ease}.history-item a:hover{background-color:var(--color-slate-700);color:var(--color-white)}.history-item.active a{background-color:var(--color-primary);color:var(--color-white)}.sidebar-toggle-btn{display:none;flex-direction:column;justify-content:space-around;width:30px;height:30px;background:transparent;border:none;cursor:pointer;padding:0;z-index:2000;margin-right:var(--spacing-md)}.sidebar-toggle-btn span{width:30px;height:3px;background:var(--color-slate-800);border-radius:10px;transition:all .3s linear;position:relative;transform-origin:1px}.sidebar-toggle-btn.active span:nth-child(1){transform:rotate(45deg)}.sidebar-toggle-btn.active span:nth-child(2){opacity:0;transform:translate(20px)}.sidebar-toggle-btn.active span:nth-child(3){transform:rotate(-45deg)}.sidebar-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#00000080;opacity:0;visibility:hidden;z-index:2900;transition:opacity .3s ease-in-out,visibility .3s ease-in-out}.sidebar-overlay--active{opacity:1;visibility:visible}@media (max-width: 1024px){.sidebar-toggle-btn{display:flex}.sidebar{position:fixed;top:0;left:0;height:100%;transform:translate(-100%);transition:transform .3s ease-in-out;z-index:3000;border-right:1px solid var(--color-slate-600)}.sidebar--open{transform:translate(0);box-shadow:var(--shadow-xl)}.sidebar__close-btn{display:block;position:absolute;top:10px;right:10px;background:none;border:none;color:var(--color-slate-400);cursor:pointer;padding:5px}.sidebar__header{position:relative}.sidebar{display:flex!important}}.sidebar__close-btn{display:none}.lang-switcher-dropdown{position:relative}.lang-switcher-dropdown__current{display:flex;align-items:center;gap:var(--spacing-xs);background-color:transparent;border:none;border-radius:var(--border-radius-md);padding:8px 12px;cursor:pointer;font-weight:500;font-size:.9rem;color:var(--color-slate-600);transition:all var(--transition-fast)}.lang-switcher-dropdown__current:hover{background-color:var(--color-slate-100);color:var(--color-slate-800)}.lang-switcher-dropdown__current svg{color:var(--color-slate-400);transition:transform var(--transition-fast)}.lang-switcher-dropdown__menu{position:absolute;top:calc(100% + 8px);right:0;background-color:var(--color-white);border-radius:var(--border-radius-lg);border:1px solid var(--color-slate-200);box-shadow:var(--shadow-lg);padding:var(--spacing-xs);width:140px;z-index:20;opacity:0;visibility:hidden;transform:translateY(10px);transition:all var(--transition-fast)}.lang-switcher-dropdown.active .lang-switcher-dropdown__current{background-color:var(--color-slate-100);color:var(--color-slate-800)}.lang-switcher-dropdown.active .lang-switcher-dropdown__current svg{transform:rotate(180deg)}.lang-switcher-dropdown.active .lang-switcher-dropdown__menu{opacity:1;visibility:visible;transform:translateY(0)}.lang-switcher-dropdown .lang-btn{display:block;width:100%;text-align:left;padding:var(--spacing-sm) var(--spacing-md);border:none;background:transparent;border-radius:var(--border-radius-sm);cursor:pointer;color:var(--color-slate-800);font-weight:500;font-size:.9rem}.lang-switcher-dropdown .lang-btn:hover{background-color:var(--color-slate-100)}.lang-switcher-dropdown .lang-btn.active{background-color:var(--color-primary-light);color:var(--color-primary-hover);font-weight:600}.content-section{padding:var(--spacing-4xl) 0;text-align:left;max-width:800px;margin:0 auto;color:var(--color-slate-700)}.content-section__title{font-size:1.75rem;font-weight:700;color:var(--color-slate-900);margin-bottom:var(--spacing-md)}.content-section__subtitle{font-size:1.25rem;font-weight:600;color:var(--color-slate-800);margin-top:var(--spacing-xl);margin-bottom:var(--spacing-sm)}.content-section__text{font-size:1.1rem;line-height:1.7;margin-bottom:var(--spacing-md)}