:root{--primary-gradient:linear-gradient(135deg,rgba(31,41,55,.95),rgba(17,24,39,.95));--secondary-gradient:linear-gradient(135deg,rgba(59,130,246,.9),rgba(147,51,234,.9));--white-transparent:hsla(0,0%,100%,.95);--white-semi:hsla(0,0%,100%,.85);--white-light:hsla(0,0%,100%,.7);--white-very-light:hsla(0,0%,100%,.4);--white-minimal:hsla(0,0%,100%,.25);--white-bg:hsla(0,0%,100%,.08);--dark-text:#1f2937;--blue-accent:#3b82f6;--blue-hover:#2563eb;--purple-accent:#8b5cf6;--purple-hover:#7c3aed;--spacing-xs:4px;--spacing-sm:8px;--spacing-md:12px;--spacing-lg:16px;--spacing-xl:20px;--spacing-2xl:24px;--spacing-3xl:30px;--radius-sm:10px;--radius-md:15px;--radius-lg:20px;--radius-xl:25px;--radius-2xl:30px;--radius-full:50%;--shadow-sm:0 2px 8px rgba(0,0,0,.1);--shadow-md:0 4px 12px rgba(0,0,0,.15);--shadow-lg:0 8px 24px rgba(0,0,0,.2);--shadow-xl:0 10px 30px rgba(0,0,0,.3);--shadow-neon:0 0 20px var(--purple-accent),0 0 40px var(--purple-accent);--z-base:1;--z-content:5;--z-overlay:10;--z-header:15;--z-button:20;--z-dropdown:100;--z-modal:1002;--z-toast:10000;--transition-fast:.2s ease;--transition-normal:.3s ease;--transition-slow:.5s ease;--chat-width:420px;--chat-height:660px;--toggle-size:60px;--button-size:48px;--header-height:60px;--input-height:60px}@media (min-width:481px){:root{--chat-width:420px;--chat-height:660px;--toggle-size:60px;--button-size:48px}}@media (min-width:769px){:root{--chat-width:420px;--chat-height:660px;--toggle-size:60px;--button-size:48px}}.chat-header[dir=rtl] .header-left{justify-content:flex-end}.chat-header[dir=rtl] .header-right{justify-content:flex-start}.chat-header[dir=rtl] .header-content{flex-direction:row-reverse}.chat-header[dir=rtl] .header-left{justify-content:flex-end!important}.chat-header[dir=rtl] .header-right{justify-content:flex-start!important}.chat-header[dir=rtl] .expand-btn{margin-left:0!important;margin-right:12px!important}.chat-header[dir=rtl] .close-btn{margin-left:12px!important;margin-right:0!important}@keyframes spin{to{transform:rotate(1turn)}}@keyframes typing{0%,80%,to{opacity:.5;transform:scale(.8)}40%{opacity:1;transform:scale(1)}}@keyframes slideIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.chat-window{backdrop-filter:blur(20px);background:linear-gradient(145deg,#000000d9,#1f2937e6);border:1px solid rgba(59,130,246,.2);border-radius:var(--radius-lg);bottom:calc(var(--spacing-xl) + 80px);box-shadow:0 20px 60px #0006,0 0 0 1px #3b82f626,0 0 30px #3b82f61a;display:none;flex-direction:column;height:var(--chat-height);opacity:0;overflow:hidden;position:fixed;right:var(--spacing-xl);transform:translateY(20px) scale(.9);transition:all var(--transition-normal);width:var(--chat-width);z-index:var(--z-modal)}.chat-window.open{display:flex;opacity:1;transform:translateY(0) 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scale(2)}}.chat-input{align-items:flex-end;backdrop-filter:blur(20px);background:linear-gradient(145deg,#ffffff14,#ffffff08);border:none;border-top:1px solid hsla(0,0%,100%,.1);box-shadow:0 -2px 8px #0003,0 0 0 1px #ffffff0d;direction:rtl;display:flex;flex-direction:row-reverse;flex-shrink:0;gap:var(--spacing-md);margin-right:24px;min-height:var(--input-height);padding:var(--spacing-lg) var(--spacing-xl);position:relative;z-index:var(--z-content)}.chat-input textarea{backdrop-filter:blur(10px);background:linear-gradient(145deg,#ffffff1f,#ffffff14);border:1px solid hsla(0,0%,100%,.15);border-radius:var(--radius-lg);box-shadow:0 2px 8px #0003,0 0 0 1px #ffffff0d;color:#fff;direction:rtl;flex:1;font-family:inherit;font-size:14px;max-height:120px;min-height:44px;outline:none;padding:var(--spacing-md) var(--spacing-lg);resize:none;text-align:right;transition:all var(--transition-fast)}.chat-input textarea:focus{box-shadow:0 0 0 2px var(--white-light)}.chat-input 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slideInUp{0%{opacity:0;transform:translateY(100%)}to{opacity:1;transform:translateY(0)}}@media (max-width:768px){.pwa-install-prompt{bottom:80px;left:10px;max-width:none;right:10px}.pwa-install-content{flex-direction:column;gap:var(--spacing-sm)}.pwa-install-text{text-align:center}}.site-logo-icon{align-items:center;display:flex;height:100%;justify-content:center;position:relative;width:100%}.site-logo-icon svg{filter:drop-shadow(0 0 8px rgba(99,102,241,.6));transition:all .3s ease}.chat-toggle:hover .site-logo-icon svg{filter:drop-shadow(0 0 12px rgba(99,102,241,.8))}@keyframes autoOpenPulse{0%{box-shadow:0 8px 32px #3b82f666,0 0 0 1px #ffffff1a,inset 0 1px #fff3;transform:scale(1)}50%{box-shadow:0 12px 40px #3b82f6cc,0 0 0 1px #ffffff4d,inset 0 1px #fff6,0 0 30px #3b82f699;transform:scale(1.1)}to{box-shadow:0 8px 32px #3b82f666,0 0 0 1px #ffffff1a,inset 0 1px #fff3;transform:scale(1)}}.chat-toggle.auto-opening{animation:autoOpenPulse .6s ease-in-out}.chat-toggle:hover .site-logo-icon svg{filter:drop-shadow(0 0 12px rgba(99,102,241,.8)) drop-shadow(0 0 20px rgba(168,85,247,.6));transform:scale(1.1)}