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button{cursor:pointer;border:1px solid var(--line);background:var(--surface);color:var(--purple-800)}.new-chat-dialog button:disabled{cursor:not-allowed;opacity:.5}.new-chat-dialog :focus-visible{outline:3px solid var(--cyan);outline-offset:3px}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.chat-mode-options{display:grid;grid-template-columns:1fr 1fr;gap:12px;border:0}.chat-mode-card{position:relative;display:flex;flex-direction:column;gap:6px;padding:18px;border:1px solid var(--line);border-radius:10px;cursor:pointer;background:var(--surface-soft)}.chat-mode-card.selected{border-color:var(--purple-700);background:var(--purple-100);box-shadow:inset 0 0 0 1px var(--purple-700)}.chat-mode-card input{position:absolute;right:16px;top:18px;accent-color:var(--purple-700);width:17px;height:17px}.chat-mode-card 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12px}.new-chat-actions{display:flex;flex-shrink:0;justify-content:flex-end;gap:10px;padding:16px 28px;border-top:1px solid var(--line);background:var(--surface-soft)}.new-chat-actions button{padding:11px 18px;font-size:.88rem;font-weight:700}.new-chat-actions .new-chat-start{background:var(--purple-700);color:#fff;border-color:var(--purple-700)}@media(max-width:540px){.new-chat-heading{padding:20px 18px 16px}.new-chat-heading h2{font-size:1.25rem}.new-chat-close{flex-basis:44px;height:44px}.new-chat-body{padding:0 18px 18px}.chat-mode-card{padding:14px}.chat-mode-card input{right:12px;top:14px}.new-chat-actions{padding:14px 18px}.new-chat-actions button{min-height:44px;padding:11px 14px}}*{box-sizing:border-box}.app{--purple-900: #2f145f;--purple-800: #45208b;--purple-700: #6230c7;--purple-600: #7d4ee5;--purple-100: #f2edff;--ink: #12131a;--muted: #626977;--line: #e7e4ee;--surface: #ffffff;--surface-soft: #f8f7fb;--cyan: #16b8d4;--gold: #c69b48;--shadow: 0 24px 70px rgba(47, 20, 95, .13);--shadow-luxe: 0 34px 90px rgba(47, 20, 95, .18);position:relative;display:flex;height:100vh;width:100vw;overflow:hidden;color:var(--ink);background:linear-gradient(90deg,rgba(98,48,199,.025) 1px,transparent 1px),linear-gradient(180deg,#fff,#fbfaff 44%,#fff);background-size:72px 72px,auto;font-family:Inter,Segoe UI,Arial,sans-serif;letter-spacing:0}.app:before,.app:after{content:"";position:fixed;z-index:0;pointer-events:none}.app:before{inset:0;background:radial-gradient(circle at 82% 16%,rgba(125,78,229,.14),transparent 30%),radial-gradient(circle at 12% 90%,rgba(22,184,212,.12),transparent 24%),linear-gradient(110deg,#fff0,#ffffffdb 46%,#fff0 62%)}.app:after{top:12%;right:-12%;width:48vw;min-width:420px;aspect-ratio:1.6 / 1;opacity:.16;background:linear-gradient(135deg,#6230c729,#16b8d414),repeating-linear-gradient(90deg,rgba(98,48,199,.13) 0 1px,transparent 1px 18px);clip-path:polygon(8% 24%,62% 2%,100% 34%,82% 88%,28% 100%,0 62%)}.sidebar,.chat-interface{position:relative;z-index:1}.mobile-app-header{display:none}.app-warning-toast{position:fixed;top:18px;left:50%;z-index:40;width:min(520px,calc(100vw - 32px));padding:13px 16px;color:#6f2d00;background:#fff9ebf5;border:1px solid rgba(198,155,72,.36);border-radius:8px;box-shadow:0 18px 44px #2f145f24;font-size:.9rem;font-weight:800;line-height:1.35;text-align:center;transform:translate(-50%);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}::selection{color:#fff;background:var(--purple-700)}button,textarea{font:inherit}button{border-radius:8px}@media(max-width:760px){.app{flex-direction:column;height:100dvh;width:100%;max-width:100%;padding-top:calc(56px + env(safe-area-inset-top));overflow:hidden}.app:after{display:none}.mobile-app-header{position:fixed;top:0;right:0;left:0;z-index:8;display:grid;grid-template-columns:44px minmax(0,1fr) 44px;align-items:center;flex:0 0 auto;width:100%;min-width:0;min-height:calc(56px + env(safe-area-inset-top));padding:calc(6px + env(safe-area-inset-top)) 12px 6px;background:#ffffffdb;border-bottom:1px solid rgba(231,228,238,.92);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.mobile-app-title{min-width:0;overflow:hidden;color:var(--ink);font-size:.98rem;font-weight:850;text-align:center;text-overflow:ellipsis;white-space:nowrap}.mobile-menu-btn,.mobile-config-btn{display:grid;place-items:center;width:44px;height:44px;padding:0;background:#ffffffc2;border:1px solid rgba(231,228,238,.92);border-radius:8px;cursor:pointer}.mobile-menu-btn{justify-self:start;align-content:center;gap:3px}.mobile-config-btn{justify-self:end}.mobile-menu-btn span{display:block;width:16px;height:1.5px;background:var(--ink);border-radius:999px}.mobile-menu-btn span:nth-child(2){width:19px}.mobile-config-btn img{width:27px;height:27px;object-fit:contain;filter:drop-shadow(0 7px 12px rgba(98,48,199,.2))}.app-warning-toast{top:66px;width:calc(100vw - 24px);padding:12px 14px;font-size:.84rem}.app .sidebar-backdrop{position:fixed;z-index:20}.app .sidebar{position:fixed;z-index:21}}