@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";:root{--bg-color: #0a0c10;--bg-color-secondary: rgba(22, 27, 34, .6);--bg-color-tertiary: rgba(32, 38, 48, .7);--text-color: #e5e7eb;--text-color-secondary: #9ca3af;--accent-color: #3b82f6;--accent-color-hover: #2563eb;--accent-color-glow: rgba(59, 130, 246, .4);--border-color: rgba(255, 255, 255, .08);--msg-user-bg: rgba(30, 41, 59, .5);--msg-ai-bg: transparent;--sidebar-width: 260px;--font-base: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--glass-bg: rgba(255, 255, 255, .04);--glass-border: rgba(255, 255, 255, .1);--glass-blur: 20px;--glass-shadow: 0 8px 32px rgba(0, 0, 0, .3), inset 0 1px 0 rgba(255, 255, 255, .06);--glass-hover-shadow: 0 12px 40px rgba(0, 0, 0, .4), inset 0 1px 0 rgba(255, 255, 255, .1);--glass-highlight: linear-gradient(135deg, rgba(255, 255, 255, .08) 0%, rgba(255, 255, 255, 0) 50%)}.light-theme{--bg-color: #f0f2f5;--bg-color-secondary: rgba(255, 255, 255, .7);--bg-color-tertiary: rgba(243, 244, 246, .8);--text-color: #111827;--text-color-secondary: #4b5563;--border-color: rgba(0, 0, 0, .06);--msg-user-bg: rgba(243, 244, 246, .6);--msg-ai-bg: transparent;--glass-bg: rgba(255, 255, 255, .5);--glass-border: rgba(0, 0, 0, .08);--glass-blur: 24px;--glass-shadow: 0 8px 32px rgba(0, 0, 0, .08), inset 0 1px 0 rgba(255, 255, 255, .8);--glass-hover-shadow: 0 12px 40px rgba(0, 0, 0, .12), inset 0 1px 0 rgba(255, 255, 255, .9);--glass-highlight: linear-gradient(135deg, rgba(255, 255, 255, .6) 0%, rgba(255, 255, 255, 0) 50%)}.light-theme .brand-name{background:linear-gradient(90deg,#111827,#4b5563);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.light-theme .package-card,.light-theme .about-content,.light-theme .auth-box,.light-theme .settings-card{background:var(--glass-bg);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));box-shadow:var(--glass-shadow)}.light-theme .view-title,.light-theme .package-card h3,.light-theme .pkg-price,.light-theme .markdown-body h1,.light-theme .markdown-body h2,.light-theme .markdown-body h3{color:#111827}.light-theme .markdown-body pre{background-color:#f3f4f6cc}.light-theme .google-btn{border:1px solid var(--glass-border)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-base);background-color:var(--bg-color);color:var(--text-color);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.6;overscroll-behavior-y:none}#root{display:flex;height:100vh;width:100vw;overflow:hidden}@keyframes slideUpFade{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@keyframes pulseGlow{0%{box-shadow:0 0 10px var(--accent-color-glow)}50%{box-shadow:0 0 25px var(--accent-color-glow)}to{box-shadow:0 0 10px var(--accent-color-glow)}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}button{background:none;border:none;color:inherit;font:inherit;cursor:pointer}input,textarea{font-family:var(--font-base);background:none;border:none;color:inherit}input:focus,textarea:focus{outline:none}.markdown-body{font-size:.95rem;line-height:1.7}.markdown-body p{margin-bottom:1rem}.markdown-body p:last-child{margin-bottom:0}.markdown-body pre{background-color:#0d1117;padding:1rem;border-radius:8px;overflow-x:auto;border:1px solid var(--border-color);margin-bottom:1rem}.markdown-body code{font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,Courier,monospace;background-color:#1a1f28;padding:.2rem .4rem;border-radius:4px;font-size:.9em}.markdown-body pre code{background-color:transparent;padding:0}.markdown-body ul,.markdown-body ol{margin-left:1.5rem;margin-bottom:1rem}.markdown-body h1,.markdown-body h2,.markdown-body h3{margin-top:1.5rem;margin-bottom:.75rem;font-weight:600;color:#fff}.app-container{display:flex;width:100vw;height:100vh;background-color:var(--bg-color)}.sidebar{width:var(--sidebar-width);background:var(--glass-bg);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));display:flex;flex-direction:column;padding:12px;border-right:1px solid var(--glass-border);transition:transform .3s ease}.sidebar-header{padding:8px;display:flex;align-items:center;gap:12px;margin-bottom:24px}.brand-name{font-weight:700;font-size:1.2rem;background:linear-gradient(90deg,#fff,#9ca3af);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.new-chat-btn{display:flex;align-items:center;justify-content:space-between;width:100%;padding:12px;background:linear-gradient(135deg,var(--accent-color),#6366f1);border-radius:12px;color:#fff;font-weight:500;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 4px 16px var(--accent-color-glow)}.new-chat-btn:hover{background-color:var(--accent-color-hover)}.new-chat-btn:active{transform:scale(.98)}.chat-history{flex:1;overflow-y:auto;margin-top:16px}.chat-area{flex:1;display:flex;flex-direction:column;position:relative}.chat-header{padding:16px 24px;border-bottom:1px solid var(--glass-border);display:flex;align-items:center;justify-content:center;font-weight:500;color:var(--text-color-secondary);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}.messages{flex:1;overflow-y:auto;padding:24px 0;display:flex;flex-direction:column}.message{display:flex;padding:24px;gap:16px;max-width:800px;margin:0 auto;width:100%;animation:slideUpFade .3s ease forwards}.message.user{background-color:var(--msg-user-bg);border-radius:8px}.message.ai{background-color:var(--msg-ai-bg)}.avatar{width:36px;height:36px;border-radius:8px;display:flex;align-items:center;justify-content:center;flex-shrink:0;position:relative}.avatar.user{background-color:var(--accent-color)}.avatar.ai,.avatar.assistant{background-color:#10b981;transform-origin:center bottom}@keyframes shakeRobot{0%{transform:translateY(0) rotate(0)}25%{transform:translateY(-2px) rotate(-5deg)}50%{transform:translateY(2px) rotate(5deg)}75%{transform:translateY(-2px) rotate(-5deg)}to{transform:translateY(0) rotate(0)}}.avatar.shaking{animation:shakeRobot .5s infinite ease-in-out}@keyframes sparkAnim1{0%{transform:scale(0) translate(0) rotate(0);opacity:1}50%{opacity:1}to{transform:scale(1.5) translate(-15px,-15px) rotate(-45deg);opacity:0}}@keyframes sparkAnim2{0%{transform:scale(0) translate(0) rotate(0);opacity:1}50%{opacity:1}to{transform:scale(2) translate(15px,-10px) rotate(45deg);opacity:0}}@keyframes sparkAnim3{0%{transform:scale(0) translate(0) rotate(0);opacity:1}50%{opacity:1}to{transform:scale(1.2) translateY(-20px);opacity:0}}.avatar.shaking:before,.avatar.shaking:after{content:"✦";position:absolute;color:#fbbf24;font-size:14px;line-height:1;text-shadow:0 0 6px #fbbf24,0 0 12px #fbbf24;pointer-events:none;z-index:10}.avatar.shaking:before{top:-5px;left:-5px;animation:sparkAnim1 .6s infinite ease-out}.avatar.shaking:after{top:-5px;right:-5px;animation:sparkAnim2 .7s infinite ease-out}.message-content{flex:1;color:var(--text-color)}.input-container{padding:24px;max-width:800px;margin:0 auto;width:100%;position:relative}.input-box{background-color:var(--bg-color-secondary);border:1px solid var(--border-color);border-radius:12px;padding:12px 16px;display:flex;align-items:flex-end;gap:12px;box-shadow:0 4px 6px -1px #0000001a;transition:border-color .2s}.input-box:focus-within{border-color:var(--accent-color)}textarea{flex:1;resize:none;min-height:72px;max-height:250px;padding:8px 0;color:var(--text-color);font-size:1rem;background:transparent;border:none;outline:none}.attach-btn,.web-search-btn{background:transparent;color:var(--text-color-secondary);padding:8px;border-radius:8px;transition:all .2s;display:flex;align-items:center;justify-content:center}.attach-btn:hover,.web-search-btn:hover{background-color:var(--bg-color-tertiary);color:var(--text-color)}.web-search-btn.active{background-color:#10b9811a;color:#10b981}.file-preview{display:flex;align-items:center;gap:8px;background-color:var(--bg-color-tertiary);padding:6px 12px;border-radius:8px;width:fit-content;margin-bottom:8px;border:1px solid var(--border-color);font-size:.85rem;color:var(--text-color);animation:slideUpFade .2s ease}.file-preview button{color:var(--text-color-secondary);transition:color .2s}.file-preview button:hover{color:#ef4444}.web-search-indicator{display:flex;align-items:center;gap:8px;background-color:#10b9811a;color:#10b981;padding:6px 12px;border-radius:8px;width:fit-content;margin-bottom:8px;font-size:.8125rem;font-weight:500;animation:fadeInUp .3s ease-out}@keyframes fadeInUp{0%{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}.send-btn{background-color:var(--accent-color);width:36px;height:36px;border-radius:8px;display:flex;align-items:center;justify-content:center;color:#fff;transition:opacity .2s,background-color .2s}.send-btn:hover:not(:disabled){background-color:var(--accent-color-hover)}.send-btn:disabled{opacity:.5;cursor:not-allowed}.welcome-screen{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;text-align:center}.welcome-logo{width:80px;height:80px;background:linear-gradient(135deg,var(--accent-color),#8b5cf6);border-radius:20px;display:flex;align-items:center;justify-content:center;animation:pulseGlow 4s infinite;margin-bottom:24px}.welcome-title{font-size:2rem;font-weight:700}.welcome-subtitle{color:var(--text-color-secondary);font-size:1.1rem;max-width:500px}.sidebar-nav{margin-top:24px;display:flex;flex-direction:column;gap:8px;flex:1}.nav-item{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:8px;color:var(--text-color-secondary);transition:background-color .2s,color .2s;text-align:left}.nav-item:hover{background-color:var(--border-color);color:var(--text-color)}.nav-item.active{background-color:var(--msg-user-bg);color:var(--text-color);font-weight:500}.sidebar-footer{margin-top:auto;display:flex;flex-direction:column;gap:12px;border-top:1px solid var(--border-color);padding:16px 8px 40px}.national-flags-row{display:flex;justify-content:space-between;gap:8px;margin-bottom:4px}.national-flags-row button{font-size:1.4rem;padding:6px;border-radius:10px;transition:all .2s cubic-bezier(.4,0,.2,1);background-color:var(--bg-color-secondary);border:1px solid var(--border-color);flex:1;display:flex;align-items:center;justify-content:center;cursor:pointer}.national-flags-row button:hover{background-color:var(--bg-color-tertiary);transform:translateY(-2px);border-color:var(--accent-color)}.national-flags-row button.active{background-color:var(--bg-color-tertiary);border-color:var(--accent-color);box-shadow:0 0 10px var(--accent-color-glow)}.lang-switcher-wrapper{display:flex;align-items:center;gap:10px;padding:10px 14px;background-color:var(--bg-color-secondary);border:1px solid var(--border-color);border-radius:10px;color:var(--text-color);transition:border-color .2s;position:relative}.lang-switcher-wrapper:focus-within{border-color:var(--accent-color)}.lang-select{background:none;border:none;color:inherit;font-size:.9rem;font-weight:600;flex:1;outline:none;cursor:pointer;appearance:none;padding-right:20px}.lang-switcher-wrapper:after{content:"";position:absolute;right:14px;top:50%;transform:translateY(-50%);width:10px;height:6px;background-color:var(--text-color-secondary);clip-path:polygon(0 0,100% 0,50% 100%);pointer-events:none}.auth-nav-btn{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:8px;color:var(--text-color);background-color:transparent;border:1px solid var(--border-color);transition:all .2s}.auth-nav-btn:hover{background-color:var(--msg-user-bg)}.page-view{flex:1;overflow-y:auto;padding:48px;max-width:1000px;margin:0 auto;width:100%;animation:slideUpFade .3s ease forwards}.view-title{font-size:2rem;font-weight:700;margin-bottom:32px;color:#fff}.packages-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}.package-card{background:var(--glass-bg);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border:1px solid var(--glass-border);border-radius:20px;padding:40px 24px;text-align:center;cursor:pointer;transition:all .4s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden;display:flex;flex-direction:column;align-items:center;box-shadow:var(--glass-shadow)}.pricing-toggle-container{display:flex;flex-direction:column;align-items:center;gap:16px;margin-bottom:40px}.pricing-toggle{display:flex;background:var(--glass-bg);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--glass-border);padding:4px;border-radius:14px;gap:4px;width:fit-content;box-shadow:var(--glass-shadow)}.pricing-toggle button{padding:10px 24px;border-radius:8px;font-size:.9375rem;font-weight:600;transition:all .2s;white-space:nowrap;min-width:130px}.pricing-toggle button.active{background-color:var(--accent-color);color:#fff;box-shadow:0 4px 12px var(--accent-color-glow)}.promo-badge{background:linear-gradient(135deg,#10b981,#059669);color:#fff;padding:2px 8px;border-radius:6px;font-size:.7rem;font-weight:700;text-transform:uppercase;margin-left:8px;vertical-align:middle}.package-card:hover{transform:translateY(-6px);box-shadow:var(--glass-hover-shadow);border-color:var(--accent-color)}.package-card.recommended{border-color:#3b82f64d;background:linear-gradient(180deg,rgba(59,130,246,.08),var(--glass-bg))}.recommended-badge{position:absolute;top:0;left:50%;transform:translate(-50%);background-color:var(--accent-color);color:#fff;padding:4px 12px;font-size:.75rem;font-weight:700;border-bottom-left-radius:8px;border-bottom-right-radius:8px;letter-spacing:1px}.package-card.premium{border-color:#8b5cf6}.package-card h3{font-size:1.5rem;margin-top:12px;margin-bottom:8px;color:#fff}.pkg-quota{color:var(--text-color-secondary);margin-bottom:24px}.pkg-price-display{display:flex;align-items:baseline;justify-content:center;flex-wrap:wrap;gap:4px;margin-bottom:8px}.pkg-main-price{font-size:2.2rem;font-weight:700;color:#fff;white-space:nowrap}.pkg-price-period{color:var(--text-color-secondary);font-size:.9rem}.total-yearly-label{font-size:.875rem;color:#10b981;margin-bottom:24px;font-weight:500;text-align:center}.pkg-btn{width:100%;padding:12px;border-radius:8px;background-color:var(--msg-user-bg);color:#fff;font-weight:600;transition:background-color .2s;margin-top:auto}.package-card.recommended .pkg-btn{background-color:var(--accent-color)}.package-card.premium .pkg-btn{background-color:#8b5cf6}.pkg-btn.subscribed{background:linear-gradient(135deg,#10b981,#059669)!important;cursor:default;opacity:1!important;font-size:1rem;letter-spacing:.5px}.pkg-btn:disabled:not(.subscribed){opacity:.5;cursor:not-allowed}.about-content{font-size:1.2rem;line-height:1.8;color:var(--text-color-secondary);max-width:800px}.about-content p{margin-bottom:24px}.about-contact-section{display:flex;flex-direction:column;gap:32px;margin-top:48px;padding-top:32px;border-top:1px solid var(--border-color)}.contact-group h3{font-size:1.1rem;font-weight:600;color:var(--text-color);margin-bottom:8px}.contact-link{color:var(--accent-color);text-decoration:none;font-weight:500;font-size:1.1rem;transition:all .2s;display:inline-block}.contact-link:hover{color:var(--accent-color-hover);text-decoration:underline}.auth-view{display:flex;align-items:center;justify-content:center;height:100%;padding:20px}.auth-box{background:var(--glass-bg);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border:1px solid var(--glass-border);border-radius:24px;padding:40px;width:100%;max-width:450px;box-shadow:var(--glass-shadow);text-align:center}.auth-form{text-align:left;margin-top:30px;display:flex;flex-direction:column;gap:16px}.input-group{margin-bottom:20px;display:flex;flex-direction:column;gap:8px}.input-group label{font-size:.9rem;color:var(--text-color-secondary)}.input-group input{width:100%;padding:12px 16px;background:var(--bg-color);border:1px solid var(--border-color);border-radius:8px;color:#fff;font-size:1rem}.primary-btn{width:100%;padding:14px;background:var(--accent-color);color:#000;border:none;border-radius:8px;font-weight:600;font-size:1rem;cursor:pointer;margin-top:10px;transition:all .2s}.primary-btn:hover{background-color:var(--accent-color-hover)}.auth-divider{margin:20px 0;position:relative;text-align:center}.auth-divider:before{content:"";position:absolute;top:50%;left:0;right:0;height:1px;background:var(--border-color)}.auth-divider span{background:var(--bg-color-secondary);padding:0 10px;position:relative;font-size:.8rem;color:var(--text-color-secondary)}.google-btn{width:100%;padding:12px;background:#fff;color:#000;border:none;border-radius:8px;display:flex;align-items:center;justify-content:center;gap:10px;font-weight:500;cursor:pointer;margin-bottom:20px;transition:background .2s}.google-btn:hover{background:#f1f5f9}.auth-footer-toggle{margin-top:20px;font-size:.9rem;color:var(--text-color-secondary)}.auth-footer-toggle button{background:none;border:none;color:var(--accent-color);cursor:pointer;font-weight:500;text-decoration:underline;margin-left:5px}.admin-stats-grid{overflow-x:auto;background:var(--bg-color-secondary);border:1px solid var(--border-color);border-radius:12px;padding:20px}.admin-table{width:100%;border-collapse:collapse;text-align:left}.admin-table th{padding:12px;border-bottom:1px solid var(--border-color);color:var(--text-color-secondary);font-size:.85rem;text-transform:uppercase}.admin-table td{padding:16px 12px;border-bottom:1px solid var(--border-color);font-size:.95rem}.package-card.active-subscription{border:2px solid var(--accent-color)!important;position:relative}.current-plan-badge{background:var(--accent-color);color:#000;font-size:.75rem;font-weight:700;padding:6px 12px;border-radius:0 0 12px 12px;position:absolute;top:0;left:50%;transform:translate(-50%);width:90%;text-align:center;box-shadow:0 4px 10px #0000004d}.user-profile-nav{display:flex;align-items:center;gap:12px;padding:12px;background:#ffffff0d;border-radius:12px;cursor:pointer;margin-top:15px;transition:background .2s}.user-profile-nav:hover{background:#ffffff1a}.user-avatar{width:32px;height:32px;background:var(--accent-color);color:#000;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700}.user-info-mini{display:flex;flex-direction:column;overflow:hidden}.user-email-mini{font-size:.85rem;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.user-role-mini{font-size:.7rem;color:var(--text-color-secondary)}.subscription-status-badge{margin-top:10px;border-radius:10px;padding:10px 12px;font-size:.85rem;font-weight:700;text-align:center;border:1px solid var(--border-color)}.subscription-status-banner{border-radius:12px;padding:14px 16px;font-size:1rem;font-weight:700;text-align:center}.subscription-status-badge.subscribed,.subscription-status-banner.subscribed{background:#10b98133;color:#34d399;border-color:#10b98166}.subscription-status-badge.not-subscribed,.subscription-status-banner.not-subscribed{background:#ef444429;color:#f87171;border-color:#ef444466}.settings-grid{display:flex;flex-direction:column;gap:24px}.settings-card{background:var(--glass-bg);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border:1px solid var(--glass-border);border-radius:20px;padding:32px;box-shadow:var(--glass-shadow)}.settings-card h3{margin-bottom:24px;font-size:1.25rem;color:#fff}.light-theme .settings-card h3{color:#111827}.settings-item{display:flex;justify-content:space-between;align-items:center;padding:16px 0;border-bottom:1px solid var(--border-color)}.settings-item:last-child{border-bottom:none}.settings-label{display:flex;flex-direction:column;gap:4px}.settings-label span:first-child{font-weight:500;color:var(--text-color)}.settings-label span:last-child{font-size:.875rem;color:var(--text-color-secondary)}.settings-value{font-weight:600;color:var(--accent-color)}.theme-toggle{display:flex;background-color:var(--bg-color-tertiary);padding:4px;border-radius:8px;gap:4px}.theme-toggle button{padding:6px 12px;border-radius:6px;font-size:.875rem;transition:all .2s}.theme-toggle button.active{background-color:var(--accent-color);color:#fff}.cancel-btn{color:#ef4444;font-weight:500;padding:8px 16px;border:1px solid #ef4444;border-radius:8px;transition:all .2s}.cancel-btn:hover{background-color:#ef4444;color:#fff}.mobile-header{display:none;padding:12px 16px;background-color:var(--bg-color-tertiary);border-bottom:1px solid var(--border-color);align-items:center;gap:12px}@media(max-width:768px){.sidebar{position:fixed;top:0;left:0;height:100%;z-index:100;transform:translate(-100%)}.sidebar.open{transform:translate(0)}.mobile-header{display:flex}.app-container{flex-direction:column}.page-view{padding:24px 16px}.message{padding:16px}}.sidebar-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background-color:#00000080;z-index:90}.sidebar-overlay.visible{display:block}@media(max-width:768px){.mobile-close{display:flex!important;background:none;border:none;color:var(--text-color);padding:8px}.sidebar-header{padding-right:8px}}