:root{--ds-color-brand: #3964FE;--ds-color-brand-soft: #EDF3FE;--ds-color-brand-border: #B7C8FE;--ds-color-focus: #3B82F6;--ds-color-bg: #FFFFFF;--ds-color-bg-sidebar: #F9FAFB;--ds-color-text: #0F1115;--ds-color-text-secondary: #81858C;--ds-color-border-subtle: rgba(0, 0, 0, .1);--ds-color-overlay: rgba(0, 0, 0, .4);--ds-radius-panel: 24px;--ds-radius-pill: 120px;--ds-radius-button: 18px;--ds-radius-circle: 50%;--ds-font-family: quote-cjk-patch, Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;--ds-shadow-panel: rgba(0, 0, 0, .02) 0 4px 12px, rgba(72, 104, 178, .01) 0 2px 2px, rgba(72, 104, 178, .03) 0 30px 60px;--ds-shadow-selected: #B7C8FE 0 0 0 1px, rgba(0, 0, 0, .04) 0 4px 8px;--ds-shadow-btn: rgba(72, 104, 178, .04) 0 -2px 2px, rgba(106, 111, 117, .09) 0 2px 2px, rgba(72, 104, 178, .08) 0 1px 2px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--ds-font-family);background:var(--ds-color-bg);color:var(--ds-color-text);height:100vh;height:100dvh;overflow:hidden}button,input,textarea,select{font:inherit}button{cursor:pointer}.app{display:flex;height:100vh;height:100dvh}.sidebar{width:261px;background:var(--ds-color-bg-sidebar);border-right:.8px solid var(--ds-color-border-subtle);display:flex;flex-direction:column;flex-shrink:0;transition:transform .3s ease}.sidebar-inner{padding:6px 12px 10px;display:flex;flex-direction:column;height:100%}.sidebar-header{display:flex;align-items:center;gap:10px;padding:12px 8px}.sidebar-logo{height:25px;width:auto}.sidebar-title{font-size:16px;font-weight:600;color:var(--ds-color-brand)}.new-task-btn{width:100%;height:40px;border-radius:100px;border:.8px solid rgba(103,158,254,0);background:var(--ds-color-bg);color:var(--ds-color-text);font-size:14px;font-weight:500;display:flex;align-items:center;justify-content:center;gap:6px;margin-bottom:12px;box-shadow:var(--ds-shadow-btn);transition:all .15s}.new-task-btn:hover{border-color:var(--ds-color-brand-border);box-shadow:var(--ds-shadow-selected)}.task-list{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:4px}.task-item{width:100%;border:none;background:transparent;text-align:left;padding:10px 12px;border-radius:12px;transition:background .15s;color:var(--ds-color-text);display:flex;flex-direction:column;gap:2px}.task-item:hover{background:#0000000a}.task-item-type{font-size:11px;font-weight:500;color:var(--ds-color-text-secondary)}.task-item-prompt{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px}.task-item-status{display:inline-flex;align-items:center;gap:4px;font-size:11px;color:var(--ds-color-text-secondary)}.task-item-status.processing{color:var(--ds-color-brand)}.task-item-status.error{color:#b91c1c}.empty-history{display:flex;flex-direction:column;align-items:center;justify-content:center;flex:1;color:var(--ds-color-text-secondary);gap:8px;padding:32px 0}.empty-history p{font-size:12px;font-weight:500}.sidebar-overlay{display:none;position:fixed;top:0;right:0;bottom:0;left:0;background:var(--ds-color-overlay);z-index:99}.main{flex:1;display:flex;flex-direction:column;min-width:0;min-height:0}.top-bar{display:flex;align-items:center;justify-content:space-between;padding:8px 16px;border-bottom:.8px solid var(--ds-color-border-subtle);height:56px;flex-shrink:0}.top-bar-brand{display:flex;align-items:center;gap:8px}.top-bar-logo{height:22px;width:auto}.top-bar-title{font-size:16px;font-weight:600;color:var(--ds-color-brand)}.icon-btn,.icon-btn-sm{width:34px;height:34px;border-radius:var(--ds-radius-circle);border:none;background:transparent;display:flex;align-items:center;justify-content:center;color:var(--ds-color-text);transition:background .15s}.icon-btn:hover,.icon-btn-sm:hover{background:#0000000a}.icon-btn:focus-visible,.icon-btn-sm:focus-visible{outline:2px solid var(--ds-color-focus);outline-offset:2px}.store-error{margin:12px 32px 0;padding:10px 14px;border-radius:12px;background:#fef2f2;color:#991b1b;font-size:13px}.feed{flex:1;min-height:0;overflow-y:auto;padding:24px 32px;display:flex;flex-direction:column;align-items:center}.welcome{display:flex;align-items:center;justify-content:center;min-height:60vh;width:100%}.welcome-inner{text-align:center;max-width:520px}.welcome-logo{width:60px;height:auto;margin-bottom:16px}.welcome-title{font-size:24px;font-weight:600;margin-bottom:8px;color:var(--ds-color-text)}.welcome-desc{font-size:14px;color:var(--ds-color-text-secondary);margin-bottom:24px}.welcome-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.welcome-card{min-height:106px;padding:16px 12px;border-radius:16px;border:.8px solid var(--ds-color-border-subtle);background:var(--ds-color-bg);color:var(--ds-color-text-secondary);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;text-align:center;transition:all .15s}.welcome-card:hover{border-color:var(--ds-color-brand-border);background:var(--ds-color-brand-soft);color:var(--ds-color-brand);box-shadow:var(--ds-shadow-selected)}.welcome-card span{font-size:12px;line-height:1.4}.task-card{width:100%;max-width:776px;margin-bottom:24px;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.task-card-header{display:flex;align-items:center;gap:8px;margin-bottom:12px}.task-badge{display:inline-flex;align-items:center;padding:2px 10px;border-radius:100px;font-size:12px;font-weight:500;background:var(--ds-color-brand-soft);color:var(--ds-color-brand)}.task-provider-badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:100px;font-size:12px;font-weight:500;color:var(--ds-color-text-secondary);background:var(--ds-color-bg-sidebar)}.task-card-meta{font-size:12px;color:var(--ds-color-text-secondary)}.task-card-prompt{font-size:15px;line-height:1.6;margin-bottom:12px;padding:12px 16px;background:var(--ds-color-bg-sidebar);border-radius:16px;white-space:pre-wrap}.task-card-text-output{margin-bottom:12px;padding:10px 12px;border-radius:12px;border:.8px solid var(--ds-color-border-subtle);background:var(--ds-color-bg);color:var(--ds-color-text-secondary);font-size:13px;line-height:1.6}.task-card-text-output summary{cursor:pointer;color:var(--ds-color-text);font-weight:500}.task-card-text-output div{margin-top:8px;white-space:pre-wrap}.task-card-status{display:flex;align-items:center;gap:8px;padding:16px;color:var(--ds-color-text-secondary);font-size:14px}.spin-icon{animation:spin .8s linear infinite;color:var(--ds-color-brand)}@keyframes spin{to{transform:rotate(360deg)}}.task-card-error{padding:12px 16px;background:#fef2f2;border-radius:12px;color:#991b1b;font-size:13px;line-height:1.5;white-space:pre-wrap}.task-card-image-wrap{position:relative;display:inline-block;border-radius:16px;overflow:hidden;border:.8px solid var(--ds-color-border-subtle);max-width:100%}.task-card-image-wrap img{display:block;max-width:100%;max-height:70vh;border-radius:16px}.task-card-image-overlay{position:absolute;right:8px;bottom:8px;display:flex;gap:6px;opacity:0;transition:opacity .2s}.task-card-image-wrap:hover .task-card-image-overlay{opacity:1}.streaming-preview img{filter:saturate(.96)}.streaming-preview-badge{position:absolute;left:10px;bottom:10px;padding:5px 10px;border-radius:var(--ds-radius-pill);background:#ffffffe6;color:var(--ds-color-brand);font-size:12px;font-weight:500;box-shadow:0 2px 8px #00000014}.image-action-btn{width:36px;height:36px;border-radius:var(--ds-radius-circle);border:none;background:#ffffffe6;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;color:var(--ds-color-text);transition:all .15s;box-shadow:0 2px 8px #0000001f}.image-action-btn:hover{background:#fff;box-shadow:0 4px 12px #00000029}.task-card-actions{display:flex;gap:8px;margin-top:10px}.task-action-btn{padding:6px 14px;border-radius:var(--ds-radius-button);border:.8px solid var(--ds-color-border-subtle);background:var(--ds-color-bg);color:var(--ds-color-text);font-size:13px;font-weight:500;display:flex;align-items:center;gap:6px;transition:all .15s}.task-action-btn:hover{border-color:var(--ds-color-brand-border);background:var(--ds-color-brand-soft);color:var(--ds-color-brand)}.task-action-btn.danger{color:#b91c1c;border-color:#b91c1c2e}.task-action-btn.danger:hover{color:#991b1b;border-color:#b91c1c52;background:#fef2f2}.task-card-source{margin-bottom:12px}.task-card-source-label{font-size:12px;color:var(--ds-color-text-secondary);margin-bottom:6px}.task-card-source-list{display:flex;flex-wrap:wrap;gap:8px}.task-card-source-item{position:relative;display:inline-flex}.task-card-source-item img{max-height:120px;max-width:160px;border-radius:10px;border:.8px solid var(--ds-color-border-subtle);object-fit:cover}.task-card-source-index{position:absolute;left:6px;bottom:6px;padding:3px 8px;border-radius:var(--ds-radius-pill);background:#ffffffeb;color:var(--ds-color-brand);font-size:12px;font-weight:500;box-shadow:0 2px 6px #00000014}.input-area{padding:0 32px 24px;flex-shrink:0}.edit-indicator{display:flex;align-items:center;gap:8px;padding:8px 16px;margin-bottom:8px;background:var(--ds-color-brand-soft);border-radius:12px;border:.8px solid var(--ds-color-brand-border)}.edit-preview-img{width:40px;height:40px;border-radius:8px;object-fit:cover}.edit-label{font-size:13px;font-weight:500;color:var(--ds-color-brand);flex:1}.edit-cancel-btn{width:24px;height:24px;border-radius:var(--ds-radius-circle);border:none;background:transparent;color:var(--ds-color-brand);display:flex;align-items:center;justify-content:center}.edit-cancel-btn:hover{background:#3964fe1a}.upload-preview{display:flex;gap:8px;padding:8px 0;flex-wrap:wrap}.upload-preview-item{position:relative;width:64px;height:64px;border-radius:10px;overflow:hidden;border:.8px solid var(--ds-color-border-subtle)}.upload-preview-item img{width:100%;height:100%;object-fit:cover}.upload-preview-item .remove-btn{position:absolute;top:2px;right:2px;width:20px;height:20px;border-radius:var(--ds-radius-circle);border:none;background:#0009;color:#fff;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .15s}.upload-preview-item:hover .remove-btn{opacity:1}.input-panel{background:var(--ds-color-bg);border-radius:var(--ds-radius-panel);border:.8px solid var(--ds-color-border-subtle);box-shadow:var(--ds-shadow-panel);padding:4px}.input-panel-inner{display:flex;flex-direction:column}.prompt-input{width:100%;border:none;outline:none;resize:none;font-family:var(--ds-font-family);font-size:16px;line-height:24px;padding:12px 16px;color:var(--ds-color-text);background:transparent;min-height:48px;max-height:200px}.prompt-input::placeholder{color:#a9b2c0}.toolbar{display:flex;align-items:center;gap:6px;padding:6px 12px}.toolbar-btn{width:34px;height:34px;border-radius:var(--ds-radius-circle);border:none;background:transparent;display:flex;align-items:center;justify-content:center;color:var(--ds-color-text-secondary);transition:all .15s}.toolbar-btn:hover{background:#0000000a;color:var(--ds-color-text)}.send-btn{width:34px;height:34px;border-radius:var(--ds-radius-circle);border:none;background:var(--ds-color-brand);display:flex;align-items:center;justify-content:center;color:#fff;margin-left:auto;transition:opacity .15s}.send-btn:disabled{opacity:.4;cursor:default}.send-btn:not(:disabled):hover{opacity:.9}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:var(--ds-color-overlay);display:flex;align-items:center;justify-content:center;z-index:200}.modal-content{background:var(--ds-color-bg);border-radius:20px;padding:24px;width:90%;max-width:480px;max-height:85vh;overflow-y:auto;box-shadow:0 20px 60px #00000026}.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.modal-header h2{font-size:18px;font-weight:600}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:13px;font-weight:500;margin-bottom:6px}.form-group input,.form-group select{width:100%;height:42px;padding:0 12px;border-radius:10px;border:.8px solid var(--ds-color-border-subtle);color:var(--ds-color-text);background:var(--ds-color-bg);transition:border-color .15s}.form-group input:focus,.form-group select:focus{outline:none;border-color:var(--ds-color-brand);box-shadow:0 0 0 3px var(--ds-color-brand-soft)}.custom-size-input,.custom-model-input,.custom-api-url-input{margin-top:8px}.form-hint{font-size:12px;color:var(--ds-color-text-secondary);margin-top:4px}.form-error{font-size:12px;color:#b91c1c;margin-bottom:12px}.form-row{display:flex;gap:12px}.form-row .form-group{flex:1}.key-input-wrap{display:flex;gap:8px}.key-input-wrap input{flex:1}.btn-primary{width:100%;height:42px;border-radius:10px;border:none;background:var(--ds-color-brand);color:#fff;font-size:14px;font-weight:500;transition:opacity .15s}.btn-primary:hover{opacity:.9}.api-key-hint-dialog{max-width:520px}.hint-title-wrap{display:flex;align-items:center;gap:10px}.hint-icon{width:36px;height:36px;border-radius:var(--ds-radius-circle);background:var(--ds-color-brand-soft);color:var(--ds-color-brand);display:inline-flex;align-items:center;justify-content:center}.hint-message{display:flex;flex-direction:column;gap:12px;color:var(--ds-color-text);font-size:14px;line-height:1.7}.hint-message a{color:var(--ds-color-brand);font-weight:600;text-decoration:none;margin:0 3px}.hint-message a:hover{text-decoration:underline}.hint-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:22px}.hint-primary-btn{width:auto;min-width:120px;padding:0 18px}.image-modal-content{position:relative;max-width:90vw;max-height:90vh}.image-modal-close{position:absolute;top:-40px;right:0;background:#fffc;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.image-modal-img{max-width:90vw;max-height:90vh;border-radius:12px;display:block}@media(max-width:768px){.sidebar{position:fixed;left:0;top:0;bottom:0;z-index:100;transform:translate(-100%)}.app:has(.sidebar-overlay.open) .sidebar{transform:translate(0)}.sidebar-overlay.open{display:block}.feed{padding:16px 16px 144px}.input-area{position:fixed;left:0;right:0;bottom:0;z-index:50;padding:8px 16px calc(16px + env(safe-area-inset-bottom));background:linear-gradient(180deg,rgba(255,255,255,0),var(--ds-color-bg) 18px)}.welcome-title{font-size:20px;font-weight:500}.welcome-cards{grid-template-columns:1fr}.top-bar{height:60px}.icon-btn{width:44px;height:44px}.form-row{flex-direction:column;gap:0}}