.guest-gate-scrim{position:fixed;inset:0;z-index:10000;display:grid;place-items:center;padding:24px;background:color-mix(in srgb,var(--chat-text) 32%,transparent);backdrop-filter:blur(3px);animation:guest-gate-fade .2s ease both}.guest-gate-dialog{position:relative;width:420px;max-width:100%;max-height:calc(100dvh - 48px);overflow-y:auto;padding:28px 28px 22px;border:1px solid var(--chat-border);border-radius:18px;background:var(--chat-canvas);color:var(--chat-text);text-align:center;box-shadow:0 24px 60px -18px rgb(0 0 0/35%);animation:guest-gate-rise .3s cubic-bezier(.16,1,.3,1) both}.guest-gate-close{position:absolute;top:10px;right:10px;display:grid;width:32px;height:32px;place-items:center;border:0;border-radius:8px;background:transparent;color:var(--chat-muted);cursor:pointer}.guest-gate-close:hover{background:var(--chat-surface-hover);color:var(--chat-text)}.guest-gate-back svg,.guest-gate-close svg,.guest-gate-draft svg{fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.guest-gate-close svg{width:16px;height:16px}.guest-gate-mark{display:block;width:34px;height:34px;margin:0 auto 14px;color:var(--chat-text)}.guest-gate-title{margin:0;font-family:var(--font-source-serif),"Noto Serif",Georgia,serif;font-size:25px;font-weight:500;line-height:1.25;letter-spacing:-.01em}.guest-gate-lede{margin:8px 0 16px;color:var(--chat-muted);font-size:13.5px;line-height:1.55}.guest-gate-draft{display:flex;gap:10px;align-items:flex-start;margin:0 0 16px;padding:10px 12px;border:1px solid var(--chat-border);border-radius:12px;background:var(--chat-surface-raised);font-size:13px;text-align:left}.guest-gate-draft svg{flex:none;width:15px;height:15px;margin-top:2px;color:var(--chat-accent)}.guest-gate-draft small{display:block;margin-bottom:1px;color:var(--chat-subtle);font-size:11.5px}.guest-gate-draft span{display:-webkit-box;overflow:hidden;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow-wrap:anywhere}.guest-gate-stack{display:grid;gap:8px}.guest-gate-btn{display:inline-flex;width:100%;height:42px;align-items:center;justify-content:center;gap:10px;border:1px solid transparent;border-radius:10px;font-size:14px;font-weight:500;text-decoration:none;cursor:pointer;transition:background .15s,border-color .15s,opacity .15s}.guest-gate-btn svg{flex:none;width:18px;height:18px}.guest-gate-btn:disabled{cursor:not-allowed;opacity:.5}.guest-gate-back:focus-visible,.guest-gate-btn:focus-visible,.guest-gate-close:focus-visible{outline:2px solid var(--chat-focus);outline-offset:2px}.guest-gate-btn.is-sm{height:38px;font-size:13.5px}.guest-gate-btn.is-outline{border-color:var(--chat-border);background:var(--chat-surface);color:var(--chat-text)}.guest-gate-btn.is-outline:not(:disabled):hover{border-color:var(--chat-border-strong);background:var(--chat-surface-hover)}.guest-gate-btn.is-solid{background:var(--chat-text);color:var(--chat-canvas)}.guest-gate-btn.is-solid:not(:disabled):hover{opacity:.9}.guest-gate-btn.is-ghost{height:36px;background:transparent;color:var(--chat-muted);font-size:13px}.guest-gate-btn.is-ghost:hover{background:var(--chat-surface-hover);color:var(--chat-text)}.guest-gate-divider{display:flex;align-items:center;gap:12px;margin:14px 0;color:var(--chat-subtle);font-size:12px}.guest-gate-divider:after,.guest-gate-divider:before{content:"";flex:1;height:1px;background:var(--chat-border)}.guest-gate-form{text-align:left}.guest-gate-back{display:inline-flex;align-items:center;gap:4px;margin-bottom:10px;padding:0;border:0;background:none;color:var(--chat-muted);font-size:13px;cursor:pointer}.guest-gate-back:hover{color:var(--chat-text)}.guest-gate-back svg{width:14px;height:14px}.guest-gate-field{display:grid;gap:6px;margin-bottom:10px;font-size:13px;font-weight:500}.guest-gate-field-row{display:flex;justify-content:space-between;align-items:baseline}.guest-gate-field-row a{color:var(--chat-accent);font-size:12.5px;font-weight:400}.guest-gate-input{width:100%;height:42px;padding:0 12px;border:1px solid var(--chat-border);border-radius:10px;background:var(--chat-surface);color:var(--chat-text);font-size:14px;font-weight:400}.guest-gate-input:focus{border-color:var(--chat-accent);outline:none;box-shadow:0 0 0 3px color-mix(in srgb,var(--chat-accent) 18%,transparent)}.guest-gate-input[aria-invalid=true]{border-color:var(--chat-error)}.guest-gate-form .guest-gate-btn.is-solid{margin-top:4px}.guest-gate-error{margin:8px 0 0;color:var(--chat-error);font-size:12.5px;text-align:left}.guest-gate-legal{margin:14px 0 0;color:var(--chat-subtle);font-size:12px}.guest-gate-legal a{color:var(--chat-muted);text-decoration:underline;text-underline-offset:2px}.guest-gate-spin{width:14px;height:14px;border:2px solid;border-right:2px solid transparent;border-radius:50%;animation:guest-gate-spin .8s linear infinite}.guest-gate-grab{display:none}.guest-nudge{position:fixed;right:16px;bottom:16px;z-index:60;width:300px;padding:20px 18px 16px;border:1px solid var(--chat-border);border-radius:16px;background:var(--chat-surface);color:var(--chat-text);text-align:center;box-shadow:0 24px 60px -18px rgb(0 0 0/30%);animation:guest-gate-rise .35s cubic-bezier(.16,1,.3,1) both}.guest-nudge .guest-gate-close{top:8px;right:8px}.guest-nudge-mark{display:block;width:30px;height:30px;margin:0 auto 10px}.guest-nudge h3{margin:0;font-size:15.5px;font-weight:600}.guest-nudge p{margin:4px 0 14px}.chat-guest-history,.guest-nudge p{color:var(--chat-muted);font-size:12.5px}.chat-guest-history{margin:10px 4px 0;padding:14px 12px;border:1px dashed var(--chat-border-strong);border-radius:10px;line-height:1.55}.chat-guest-history b{display:block;margin-bottom:2px;color:var(--chat-text);font-size:13px;font-weight:600}.chat-guest-history button{margin-top:8px;padding:0;border:0;background:none;color:var(--chat-accent);font-size:12.5px;font-weight:600;cursor:pointer}.chat-guest-history button:hover{text-decoration:underline;text-underline-offset:2px}.chat-guest-history-spacer{flex:1;min-height:0}.chat-guest-account{display:grid;gap:6px}.chat-guest-account .guest-gate-btn{height:36px;font-size:13px}.chat-guest-header-login{display:none}@media (max-width:799px){.chat-guest-header-login{display:inline-flex;flex:none;width:auto;height:32px;padding:0 14px;border-radius:999px;font-size:13px}.guest-gate-scrim{place-items:end stretch;padding:0}.guest-gate-dialog{width:100%;max-height:92dvh;padding:22px 18px calc(18px + env(safe-area-inset-bottom));border-bottom:0;border-radius:18px 18px 0 0;animation-name:guest-gate-sheet}.guest-gate-title{font-size:21px}.guest-gate-mark{display:none}.guest-gate-grab{display:block;width:36px;height:4px;margin:-8px auto 14px;border-radius:4px;background:var(--chat-border-strong)}.guest-nudge{right:12px;bottom:12px;left:12px;width:auto}}.model-dropdown-locked-cta{display:flex;width:calc(100% - 8px);align-items:center;gap:8px;margin:0 4px 4px;padding:9px 10px;border:0;border-radius:8px;background:var(--model-dropdown-accent-soft,var(--chat-accent-soft));color:var(--model-dropdown-accent);font-size:13px;font-weight:600;text-align:left;cursor:pointer}.model-dropdown-lock,.model-dropdown-locked-cta svg{flex:none;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.model-dropdown-locked-cta svg{width:15px;height:15px;margin-left:auto}.model-dropdown-locked-cta.is-highlighted,.model-dropdown-locked-cta:hover{filter:brightness(.97);outline:2px solid var(--model-dropdown-accent);outline-offset:-2px}.model-dropdown-lock{width:14px;height:14px;margin-left:auto;color:var(--model-dropdown-muted)}.model-dropdown-default-tag{flex:none;padding:1px 6px;border-radius:999px;background:var(--chat-success-soft);color:var(--chat-success);font-size:10px;font-weight:600;line-height:1.4}@keyframes guest-gate-fade{0%{opacity:0}}@keyframes guest-gate-rise{0%{opacity:0;transform:translateY(8px)}}@keyframes guest-gate-sheet{0%{transform:translateY(100%)}}@keyframes guest-gate-spin{to{transform:rotate(1turn)}}@media (prefers-reduced-motion:reduce){.guest-gate-dialog,.guest-gate-scrim,.guest-gate-spin,.guest-nudge{animation:none}}