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.rm{position:absolute;top:2px;right:2px;background:#0009;color:#fff;border:none;border-radius:50%;width:16px;height:16px;display:flex;align-items:center;justify-content:center;cursor:pointer}.project-ref-add{width:64px;height:64px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;background:var(--panel2);border:1px dashed var(--border);border-radius:var(--radius-xs);color:var(--muted);font-size:9px;cursor:pointer}.project-ref-add:hover{color:var(--text);border-color:var(--muted)}.project-settings-btn{padding:2px;color:var(--muted)}.modal-close{position:absolute;top:10px;right:10px;z-index:2;background:#17171a8c;border:1px solid rgba(255,255,255,.3);color:#fff;border-radius:50%;width:32px;height:32px}button.icon-btn.modal-close:hover{background:#17171abf;color:#fff}.picker-grid{padding:16px 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.version-badge:after{content:"";position:absolute;top:-13px;right:-13px;bottom:-13px;left:-13px}}@media (max-width: 768px){.mobile-menu-btn{display:flex}.sidebar{position:fixed;top:0;left:0;height:100%;z-index:70;width:80vw;max-width:300px;transform:translate(-100%);transition:transform .25s ease;box-shadow:var(--shadow-lg)}.sidebar.open{transform:translate(0)}.sidebar-backdrop{display:block;position:fixed;top:0;right:0;bottom:0;left:0;background:#17171a73;z-index:65}header{padding-top:max(12px,env(safe-area-inset-top));padding-bottom:12px;padding-left:max(16px,env(safe-area-inset-left));padding-right:max(16px,env(safe-area-inset-right))}.brand img{width:28px;height:28px}header h1{font-size:var(--text-lg)}header .sub{display:none}.gear-btn span,.header-actions .gear-btn,.header-actions .admin-btn,.header-actions .user-badge,.header-actions .gallery-btn,.header-actions .theme-btn{display:none}.sidebar-footer{display:flex}.sidebar-footer .gear-btn span{display:inline}.sidebar{padding-left:max(16px,env(safe-area-inset-left))}@media (max-width:380px){.mode-badge span{display:none}}.messages{padding:16px}.chat-input{padding-top:10px;padding-bottom:calc(16px + env(safe-area-inset-bottom));padding-left:max(16px,env(safe-area-inset-left));padding-right:max(16px,env(safe-area-inset-right))}.edit-banner{margin-left:16px;margin-right:16px}.input-row{gap:2px;padding:6px}.mode-toggle span{display:none}.input-row textarea{min-height:36px;padding:10px 4px}.settings-backdrop{display:block;position:fixed;top:0;right:0;bottom:0;left:0;background:#17171a73;z-index:50}.settings-panel{position:fixed;left:0;right:0;bottom:0;z-index:51;margin:0;border-radius:var(--radius-xl) 16px 0 0;max-height:75vh;overflow-y:auto;padding-bottom:calc(20px + env(safe-area-inset-bottom));box-shadow:var(--shadow-lg)}.settings-panel:before{content:"";display:block;width:36px;height:4px;background:var(--border);border-radius:var(--radius-full);margin:0 auto 14px}.context-popover{width:min(260px,calc(100vw - 32px));right:-8px}.msg-user .msg-bubble{max-width:88%}.msg-thumb-wrap{max-width:180px}.msg-thumb,.msg-thumb img{max-width:180px;max-height:180px}.thumb-action-btn{width:24px;height:24px}.image-modal-backdrop{padding:0}.image-modal{width:100%;height:100%;max-width:100%;max-height:100%;border-radius:0;padding:16px;padding-top:calc(16px + env(safe-area-inset-top));padding-bottom:calc(16px + env(safe-area-inset-bottom));justify-content:center}.image-modal-viewport{height:auto;flex:1}}@media (min-width:769px) and (max-width:1200px){header .sub{display:none}.gear-btn span{display:none}.header-actions{gap:6px}}@media (max-width:900px) and (max-height:500px){.sidebar{position:fixed;top:0;left:0;height:100%;z-index:70;width:80vw;max-width:300px;transform:translate(-100%);transition:transform .25s ease;box-shadow:var(--shadow-lg)}.sidebar.open{transform:translate(0)}.mobile-menu-btn{display:flex}.sidebar-backdrop{display:block;position:fixed;top:0;right:0;bottom:0;left:0;background:#17171a73;z-index:65}header .sub{display:none}.header-actions .gear-btn,.header-actions .admin-btn,.header-actions .user-badge,.header-actions .gallery-btn,.header-actions .theme-btn{display:none}.sidebar-footer{display:flex}.settings-backdrop{display:block;position:fixed;top:0;right:0;bottom:0;left:0;background:#17171a73;z-index:50}.settings-panel{position:fixed;left:0;right:0;bottom:0;z-index:51;margin:0;border-radius:var(--radius-xl) 16px 0 0;max-height:75vh;overflow-y:auto;padding-bottom:calc(20px + env(safe-area-inset-bottom));box-shadow:var(--shadow-lg)}.settings-panel:before{content:"";display:block;width:36px;height:4px;background:var(--border);border-radius:var(--radius-full);margin:0 auto 14px}}