:root{--bg:#f8f9fd;--panel:#fff;--card:#fff;--white:#fff;--text:#111827;--muted:#6b7280;--radius-xl:24px;--radius-lg:20px;--radius-md:16px;--radius-sm:12px;--primary-brand:#5245e5;--secondary-brand:#4b2ecf;--gradient-main:linear-gradient(135deg,var(--primary-brand),var(--secondary-brand));--gradient-soft:linear-gradient(135deg,#f0efff,#e6e4fd);--gradient-action:linear-gradient(135deg,#5a4ef5,#5534e4);--shadow-soft:0 8px 30px rgba(0,0,0,.04),0 4px 10px rgba(0,0,0,.02);--shadow-hover:0 12px 40px rgba(0,0,0,.08),0 6px 15px rgba(0,0,0,.04);--border:rgba(0,0,0,.08)}.app.dark,.dark{--bg:#050505;--panel:#141414;--card:#141414;--white:#141414;--text:#f8fafc;--muted:#94a3b8;--border:hsla(0,0%,100%,.1);--shadow-soft:0 10px 30px rgba(0,0,0,.5);--shadow-hover:0 12px 40px rgba(0,0,0,.6),0 6px 15px rgba(0,0,0,.4)}.dark body,.dark html{background-color:var(--bg);color:var(--text)}.app.dark .input,.app.dark .input-card .input,.app.dark select,.app.dark 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20px;border-radius:999px;font-size:14px;font-weight:600;cursor:pointer;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);display:flex;align-items:center;gap:8px;opacity:0;transition:opacity .3s ease}.exit-preview-btn:hover{opacity:1}.app:hover .exit-preview-btn{opacity:.3}.exit-preview-btn:hover{opacity:1!important}.logo{background:transparent;border:none;cursor:pointer;padding:0;transition:all .2s cubic-bezier(.4,0,.2,1);display:flex;align-items:center;-webkit-user-select:none;-moz-user-select:none;user-select:none}.logo:hover{transform:scale(1.02);filter:brightness(1.1)}.logo:active{transform:scale(.98)}.tabs{background:var(--panel);padding:6px;display:flex;gap:6px}.tab,.tabs{border-radius:999px}.tab{padding:10px 22px;border:none;background:transparent;font-weight:600;cursor:pointer;color:var(--muted);transition:all .2s cubic-bezier(.4,0,.2,1)}.tab:hover:not(.active){background:hsla(0,0%,50%,.1)}.tab.active{background:var(--gradient-main);color:#fff;box-shadow:0 4px 12px 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