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ease}.input-wrapper:focus-within{border-color:var(--muted-dim)}.input-wrapper textarea{width:100%;background:transparent;border:none;color:var(--white);padding:14px 16px 48px;font-size:14px;font-family:var(--font-body);font-weight:300;resize:none;outline:none;min-height:132px;line-height:1.6}.input-wrapper textarea::placeholder{color:var(--muted-dim);font-weight:300}.input-toolbar{position:absolute;bottom:0;left:0;right:0;display:flex;align-items:center;justify-content:space-between;padding:8px 12px}.input-hint{font-size:11px;color:var(--muted-dim);letter-spacing:.01em}.input-actions{display:flex;gap:6px}.image-preview{display:flex;align-items:center;gap:10px;padding:8px 12px;border-top:1px solid var(--border);animation:msg-in .15s ease-out}.image-preview img{width:48px;height:48px;object-fit:cover;border:1px solid var(--border-light);flex-shrink:0}.image-preview-info{flex:1;min-width:0;display:flex;flex-direction:column;gap:1px}.image-preview-name{font-size:12px;color:var(--white);font-weight:400;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.image-preview-size{font-size:10px;color:var(--muted-dim);letter-spacing:.02em}.image-preview-remove{background:transparent;border:1px solid var(--border-light);color:var(--muted);width:32px;height:32px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;font-size:14px;line-height:1;transition:all .15s ease;flex-shrink:0;padding:6px}.image-preview-remove:hover{color:var(--danger);border-color:var(--danger)}.input-wrapper.drag-over{border-color:var(--white);background:var(--surface-raised)}.welcome{padding:0;animation:msg-in .3s ease-out}.welcome-heading{font-family:var(--font-heading);font-size:22px;font-weight:500;letter-spacing:-.03em;line-height:1.2;margin-bottom:8px}.welcome-sub{color:var(--muted);font-size:13px;font-weight:300;line-height:1.6}@media(max-width:768px){:root{--header-h: 48px}header{padding:0 16px}.header-label,.header-sep{display:none}.mobile-tabs{display:flex}.split-container{flex-direction:column}.chat-panel{width:100%!important;max-width:100%;min-width:100%;border-right:none}.resize-handle{display:none}.preview-panel,.audit-panel-wrap{position:absolute;top:0;right:0;bottom:0;left:0;z-index:15}.split-container[data-tab=chat] .chat-panel{display:flex}.split-container[data-tab=chat] .preview-panel,.split-container[data-tab=chat] .audit-panel-wrap,.split-container[data-tab=preview] .chat-panel{display:none}.split-container[data-tab=preview] .preview-panel{display:flex}.split-container[data-tab=preview] .audit-panel-wrap,.split-container[data-tab=log] .chat-panel,.split-container[data-tab=log] .preview-panel{display:none}.split-container[data-tab=log] .audit-panel-wrap{display:flex}#messages{padding:20px 16px}#input-area{padding:12px 16px}.welcome-heading{font-size:20px}}.audit-panel-wrap{flex:1;display:flex;flex-direction:column;min-width:0;min-height:0}.iframe-overlay{position:absolute;top:0;right:0;bottom:0;left:0;z-index:5;display:none}.iframe-overlay.active{display:block}#login-view{display:flex;align-items:center;justify-content:center;position:fixed;top:0;right:0;bottom:0;left:0;background:var(--black);z-index:100;opacity:1;transition:opacity .2s ease}#login-view.hidden{opacity:0;pointer-events:none}.login-card{width:100%;max-width:360px;padding:0 20px}.login-brand{font-family:var(--font-heading);font-size:22px;font-weight:500;letter-spacing:-.03em;text-align:center;margin-bottom:6px}.login-label{font-size:12px;color:var(--muted);letter-spacing:.04em;text-transform:uppercase;text-align:center;margin-bottom:32px}.login-field{width:100%;background:var(--surface);border:1px solid var(--border-light);color:var(--white);padding:12px 14px;font-size:14px;font-family:var(--font-body);font-weight:300;margin-bottom:10px;outline:none;transition:border-color .15s ease}.login-field:focus{border-color:var(--muted-dim)}.login-field::placeholder{color:var(--muted-dim);font-weight:300}.login-submit{width:100%;padding:12px;font-size:13px;font-weight:400;font-family:var(--font-body);letter-spacing:.02em;background:var(--white);color:var(--black);border:none;cursor:pointer;margin-top:4px;transition:opacity .15s ease}.login-submit:hover{opacity:.85}.login-submit:disabled{background:var(--border-light);color:var(--muted-dim);cursor:wait}.login-error{font-size:12px;color:var(--danger);text-align:center;margin-top:12px;min-height:18px}.user-info{display:flex;align-items:center;gap:10px}.user-name{font-size:11px;color:var(--muted);letter-spacing:.02em}.signout-btn{font-size:11px;font-family:var(--font-body);color:var(--muted-dim);background:transparent;border:none;cursor:pointer;padding:2px 0;transition:color .15s ease}.signout-btn:hover{color:var(--white)}.login-field:focus-visible,.login-submit:focus-visible,.action-btn:focus-visible,.preview-action-btn:focus-visible,.mobile-tab:focus-visible,.signout-btn:focus-visible,.tag-btn:focus-visible,.image-preview-remove:focus-visible{outline:2px solid var(--muted-dim);outline-offset:2px}