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ease;outline:none}.ui-theme-toggle__thumb{position:relative;width:1.4rem;height:1.4rem;border-radius:50%;background:radial-gradient(circle at 30% 30%,#f8fafc,#cbd5f5 70%,#94a3b8);box-shadow:0 6px 20px #3b82f659;transition:transform .35s cubic-bezier(.4,0,.2,1),box-shadow .35s ease}.ui-theme-toggle--light .ui-theme-toggle__thumb{transform:translate(1.35rem);box-shadow:0 6px 20px #3b82f626}.ui-theme-toggle:focus-visible{box-shadow:0 0 0 2px #0f1216e6,0 0 0 4px #3b82f6b3}@media (prefers-reduced-motion: reduce){.ui-send-button,.ui-theme-toggle__thumb{transition-duration:0s}}:root{color-scheme:dark;--bg: #05070f;--bg-muted: rgba(9, 13, 23, .85);--panel: rgba(13, 17, 27, .85);--panel-solid: #0f1729;--surface-border: rgba(148, 163, 184, .18);--surface-glow: rgba(99, 102, 241, .38);--border: rgba(148, 163, 184, .18);--border-strong: rgba(96, 165, 250, .35);--accent: #7c3aed;--accent-strong: #60a5fa;--accent-soft: rgba(94, 234, 212, .4);--foreground: #f8fafc;--muted-foreground: 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640px){.page-shell{width:calc(100vw - 2rem)}}@media (max-width: 420px){.page-shell{width:calc(100vw - 1.5rem)}}.btn-primary{position:relative;display:inline-flex;align-items:center;justify-content:center;padding:.85rem 2.75rem;border-radius:9999px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:#fff;background:linear-gradient(120deg,#7c3aedf2,#3b82f6f2);box-shadow:0 18px 45px -25px #3b82f6cc,0 10px 30px -24px #ec489999;border:1px solid rgba(148,163,184,.18);overflow:hidden;transition:transform .25s ease,box-shadow .35s ease,filter .35s ease}.btn-primary:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(circle at 20% 20%,#ffffff59,#fff0);opacity:0;transition:opacity .35s ease}.btn-primary:hover,.btn-primary:focus-visible{transform:translateY(-2px) scale(1.01);box-shadow:0 22px 55px -22px #3b82f6f2,0 14px 38px -18px 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#f8717199}.icon-button{display:inline-flex;align-items:center;justify-content:center;width:2.75rem;height:2.75rem;border-radius:9999px;background:linear-gradient(135deg,#7c3aedeb,#3b82f6eb);border:1px solid rgba(96,165,250,.35);color:#fff;box-shadow:0 18px 40px -24px #3b82f6a6;transition:transform .3s ease,box-shadow .35s ease}.icon-button:hover,.icon-button:focus-visible{transform:translateY(-1px) scale(1.02);box-shadow:0 24px 50px -20px #3b82f6bf}.ghost-icon-button{display:inline-flex;align-items:center;justify-content:center;width:2.75rem;height:2.75rem;border-radius:9999px;border:1px solid rgba(148,163,184,.25);background:#0f172a8c;color:#94a3b8cc;transition:all .3s ease}.ghost-icon-button:hover,.ghost-icon-button:focus-visible{background:#1e293bbf;color:#fff;border-color:#60a5fa59;box-shadow:0 18px 40px -26px #3b82f673}.input-field{width:100%;border-radius:.9rem;border:1px solid rgba(148,163,184,.18);background:#080b15d9;padding:.9rem 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