*,:before,:after{box-sizing:border-box}html,body{height:100%;margin:0;padding:0}:root{--primary:#2563eb;--primary-hover:#1d4ed8;--primary-light:#3b82f6;--on-primary:#fff;--primary-container:#dbeafe;--on-primary-container:#1e40af;--secondary:#64748b;--on-secondary:#fff;--secondary-container:#f1f5f9;--on-secondary-container:#475569;--surface:#fff;--surface-alt:#f8fafc;--on-surface:#0f172a;--on-surface-muted:#64748b;--surface-variant:#f1f5f9;--on-surface-variant:#475569;--outline:#cbd5e1;--outline-variant:#e2e8f0;--bg-soft:#f8fafc;--primary-gradient:linear-gradient(135deg,#2563eb 0%,#3b82f6 50%,#60a5fa 100%);--border-subtle:#e2e8f0;--border-strong:#cbd5e1;--radius-lg:12px;--radius-md:8px;--radius-sm:6px;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f;--shadow-lg:0 10px 15px -3px #0000001a,0 4px 6px -2px #0000000d;--shadow-soft:0 18px 40px #0f172a14;--transition-fast:.15s cubic-bezier(.4,0,.2,1);--transition-base:.25s cubic-bezier(.4,0,.2,1);--transition-slow:.35s cubic-bezier(.4,0,.2,1);--transition-bounce:.4s cubic-bezier(.68,-.55,.265,1.55)}body{background-color:var(--surface);color:var(--on-surface);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;transition:background-color var(--transition-base),color var(--transition-base);font-family:system-ui,-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,sans-serif}main{min-height:100vh}button{cursor:pointer;background:0 0;border:none;padding:0;font-family:inherit}.login-root{background:linear-gradient(135deg,#2563eb0d 0%,#3b82f608 50%,#93c5fd0d 100%);background-color:var(--surface);justify-content:center;align-items:center;min-height:100vh;padding:32px 16px;display:flex}.login-card{background:var(--surface);border-radius:var(--radius-lg);width:100%;max-width:420px;box-shadow:var(--shadow-lg);border:1px solid var(--border-subtle);transition:all var(--transition-base);flex-direction:column;gap:20px;padding:32px 28px 28px;display:flex}.login-card:hover{box-shadow:var(--shadow-soft);border-color:var(--primary);transform:translateY(-2px)}.login-header{align-items:center;gap:16px;display:flex}.login-logo-mark{width:48px;height:48px;transition:all var(--transition-base);background:0 0;border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;display:flex;overflow:hidden}.login-logo-mark img{object-fit:contain;width:100%;height:100%}.login-header h1{letter-spacing:.02em;color:var(--on-surface);transition:color var(--transition-base);margin:0;font-size:19px;font-weight:600}.login-header p{color:var(--on-surface-muted);transition:color var(--transition-base);margin:4px 0 0;font-size:13px}.login-error{color:#dc2626;border-radius:var(--radius-md);transition:all var(--transition-base);background:#dc26261a;border:1px solid #dc262633;padding:12px 14px;font-size:13px}.login-form{flex-direction:column;gap:12px;margin-top:4px;display:flex}.field{flex-direction:column;gap:6px;display:flex}.field-label{color:var(--on-surface);transition:color var(--transition-base);font-size:13px;font-weight:500}.field-input{border-radius:var(--radius-md);border:1.5px solid var(--outline);transition:all var(--transition-base);background-color:var(--surface);color:var(--on-surface);outline:none;padding:12px 16px;font-size:14px}.field-input:hover{border-color:var(--border-strong);background-color:var(--surface-variant)}.field-input:focus{border-color:var(--primary);background-color:var(--surface);box-shadow:0 0 0 3px #2563eb26}.remember-row{color:var(--on-surface);transition:color var(--transition-base);align-items:center;gap:6px;margin-top:6px;font-size:13px;display:inline-flex}.remember-row input{width:16px;height:16px}.primary-button{border-radius:var(--radius-md);background-color:var(--primary);height:44px;color:var(--on-primary);box-shadow:var(--shadow-sm);transition:all var(--transition-base);justify-content:center;align-items:center;gap:8px;margin-top:8px;padding:0 24px;font-size:14px;font-weight:500;display:inline-flex}.primary-button:hover{background-color:var(--primary-hover);box-shadow:var(--shadow-md)}.primary-button:active{box-shadow:var(--shadow-sm);transform:scale(.98)}.primary-button:disabled{opacity:.7;box-shadow:none;cursor:default;transform:none}.spinner{border:2px solid #ffffff4d;border-top-color:#ffffffe6;border-radius:999px;flex-shrink:0;width:16px;height:16px;animation:.9s linear infinite spin}.primary-button .spinner{border-color:#fff #fff6 #fff6}.spinner-lg{border-width:3px;border-color:#2563eb40;border-top-color:var(--primary);width:32px;height:32px}@keyframes spin{to{transform:rotate(360deg)}}.login-footer{color:var(--on-surface-muted);transition:color var(--transition-base);justify-content:center;align-items:center;gap:8px;margin-top:8px;font-size:11px;display:flex}.divider{background-color:var(--border-subtle);width:1px;height:10px;transition:background-color var(--transition-base)}.app-root{background-color:var(--surface);flex-direction:column;min-height:100vh;display:flex}.app-header{background:var(--primary-gradient);height:60px;color:var(--on-primary);box-shadow:var(--shadow-sm);transition:all var(--transition-base);justify-content:space-between;align-items:center;padding:0 18px;display:flex}.app-brand{align-items:center;gap:10px;display:flex}.brand-mark{border-radius:var(--radius-md);width:32px;height:32px;transition:all var(--transition-base);background:0 0;flex-shrink:0;justify-content:center;align-items:center;display:flex;overflow:hidden}.brand-mark img{object-fit:contain;width:100%;height:100%}.brand-text{flex-direction:column;display:flex}.brand-title{color:var(--on-primary);transition:color var(--transition-base);font-size:15px;font-weight:600}.brand-sub{opacity:.9;color:var(--on-primary);transition:color var(--transition-base);font-size:11px}.ghost-button{border-radius:var(--radius-md);border:1px solid var(--border-subtle);color:var(--on-surface);background:var(--surface);transition:all var(--transition-base);cursor:pointer;padding:6px 14px;font-size:13px}.ghost-button:hover{background:var(--surface-variant);border-color:var(--border-strong);box-shadow:var(--shadow-sm);transform:translateY(-1px)}.app-header .ghost-button{color:var(--on-primary);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#ffffff1a;border:1px solid #ffffff4d}.app-header .ghost-button:hover{background:#fff3;border-color:#ffffff80}.app-body{min-height:0;transition:grid-template-columns var(--transition-base);flex:1;grid-template-columns:230px minmax(0,1fr);display:grid}.app-body.sidebar-collapsed{grid-template-columns:0 minmax(0,1fr)}.app-body.sidebar-collapsed .sidebar{border-right:none;width:0;overflow:hidden}.sidebar{background:var(--surface);border-right:1px solid var(--border-subtle);transition:width var(--transition-base),border var(--transition-base);flex-direction:column;display:flex;position:relative;overflow:hidden}.sidebar-toggle{border-radius:var(--radius-md);background:var(--surface-variant);border:1px solid var(--border-subtle);cursor:pointer;width:32px;height:32px;transition:all var(--transition-base);color:var(--on-surface);flex-shrink:0;justify-content:center;align-items:center;font-size:14px;display:inline-flex}.sidebar-toggle:hover{background:var(--surface);border-color:var(--border-strong);box-shadow:var(--shadow-sm);transform:translateY(-1px)}.sidebar-toggle:active{transform:translateY(0)}.sidebar-header{color:var(--on-surface-muted);transition:color var(--transition-base);padding:20px 20px 10px;font-size:16px;font-weight:500}.sidebar-list{flex:1;padding:10px 0;overflow-y:auto}.sidebar-item{width:100%;color:var(--on-surface);transition:all var(--transition-base);text-align:left;border-left:3px solid #0000;border-radius:0;align-items:center;gap:12px;padding:14px 20px;display:flex}.sidebar-item:hover:not(.sidebar-item-active){background-color:var(--surface-variant)}.sidebar-item-active{background-color:var(--primary-container);color:var(--on-primary-container);border-left:3px solid var(--primary);padding-left:17px;transform:none}.sidebar-item-active .sidebar-title{color:var(--on-primary-container);font-weight:500}.sidebar-item-active .sidebar-desc{color:var(--on-primary-container);opacity:.85}.sidebar-icon{border-radius:var(--radius-md);width:36px;height:36px;transition:all var(--transition-base);flex-shrink:0;justify-content:center;align-items:center;font-size:18px;display:flex}.sidebar-icon img{object-fit:contain;filter:none;opacity:1;border-radius:4px;width:24px;height:24px;display:block}.sidebar-meta{text-align:left;flex-direction:column;align-items:flex-start;gap:4px;display:flex}.sidebar-title{color:var(--on-surface);transition:color var(--transition-base);font-size:14px;font-weight:500;line-height:1.3}.sidebar-desc{color:var(--on-surface-muted);transition:color var(--transition-base);font-size:12px;line-height:1.3}.main{flex-direction:column;min-height:0;display:flex}.main-toolbar{border-bottom:1px solid var(--border-subtle);background:var(--surface);transition:all var(--transition-base);box-shadow:var(--shadow-sm);justify-content:space-between;align-items:center;padding:14px 20px;display:flex}.main-toolbar h2{color:var(--on-surface);transition:color var(--transition-base);margin:0;font-size:16px}.main-toolbar p{color:var(--on-surface-muted);transition:color var(--transition-base);margin:4px 0 0;font-size:12px}.toolbar-actions{align-items:center;gap:6px;display:flex}.icon-button{border-radius:var(--radius-md);background:var(--surface-variant);border:1px solid var(--border-subtle);width:32px;height:32px;color:var(--on-surface);transition:all var(--transition-base);cursor:pointer;justify-content:center;align-items:center;font-size:14px;display:inline-flex}.icon-button:hover{background:var(--surface);border-color:var(--border-strong);box-shadow:var(--shadow-sm);transform:translateY(-1px)}.icon-button:active{transform:translateY(0)}.main-content{background:var(--surface);transition:padding var(--transition-base),background var(--transition-base);flex:1;padding:14px 16px;position:relative;overflow:auto}.main-content:has(.iframe-shell){padding:0}.iframe-shell{background:var(--surface);box-shadow:none;border:none;border-radius:0;flex-direction:column;display:flex;position:absolute;inset:0;overflow:hidden}.iframe-loading{background:var(--surface);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:10;color:var(--on-surface);transition:all var(--transition-base);flex-direction:column;justify-content:center;align-items:center;gap:10px;font-size:13px;display:flex;position:absolute;inset:0}.module-iframe{border:none;width:100%;height:100%;min-height:0;display:block}.empty-state{border-radius:var(--radius-lg);background:var(--surface);border:1px dashed var(--border-subtle);min-height:260px;color:var(--on-surface-muted);transition:all var(--transition-base);justify-content:center;align-items:center;font-size:14px;display:flex}.app-footer{border-top:1px solid var(--border-subtle);color:var(--on-surface-muted);background:var(--surface);transition:all var(--transition-base);justify-content:center;align-items:center;gap:8px;padding:10px 18px;font-size:11px;display:flex}.batch-root{flex-direction:column;gap:12px;display:flex}.batch-header h3{color:var(--on-surface);transition:color var(--transition-base);margin:0;font-size:16px}.batch-header p{color:var(--on-surface-muted);transition:color var(--transition-base);margin:4px 0 0;font-size:12px}.card{background:var(--surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);border:1px solid var(--border-subtle);transition:all var(--transition-base);flex-direction:column;gap:12px;padding:16px 16px 12px;display:flex}.card:hover{box-shadow:var(--shadow-lg)}.card-header-row{justify-content:space-between;align-items:flex-start;gap:10px;display:flex}.card-header-row h4{color:var(--on-surface);transition:color var(--transition-base);margin:0;font-size:15px}.card-header-row p{color:var(--on-surface-muted);transition:color var(--transition-base);margin:4px 0 0;font-size:12px}.list{border-radius:var(--radius-md);border:1px solid var(--border-subtle);background:var(--surface);max-height:360px;transition:all var(--transition-base);padding:8px 8px 4px;overflow:auto}.list-item{text-align:left;border-radius:var(--radius-sm);background:var(--surface);width:100%;transition:all var(--transition-base);cursor:pointer;flex-direction:column;gap:2px;margin-bottom:4px;padding:7px 8px;display:flex}.list-item:hover{background:var(--surface-variant);transform:translate(2px)}.list-title{color:var(--on-surface);transition:color var(--transition-base);font-size:13px;font-weight:500}.list-sub{color:var(--on-surface-muted);transition:color var(--transition-base);flex-wrap:wrap;gap:8px;font-size:11px;display:flex}.file-toolbar{color:var(--on-surface);transition:color var(--transition-base);justify-content:space-between;align-items:center;font-size:12px;display:flex}.file-select-all{align-items:center;gap:6px;display:inline-flex}.file-item{border-radius:var(--radius-sm);background:var(--surface);transition:all var(--transition-base);cursor:pointer;align-items:flex-start;gap:8px;margin-bottom:4px;padding:7px 8px;display:flex}.file-item:hover{background:var(--surface-variant);transform:translate(2px)}.file-item.readonly{padding-left:4px}.file-meta{flex-direction:column;gap:2px;display:flex}.file-name{word-break:break-all;color:var(--on-surface);transition:color var(--transition-base);font-size:13px;font-weight:500}.file-sub{color:var(--on-surface-muted);transition:color var(--transition-base);flex-wrap:wrap;gap:8px;font-size:11px;display:flex}.muted{color:var(--on-surface-muted);transition:color var(--transition-base);padding:8px 6px;font-size:12px}.danger{color:#dc2626;border-radius:var(--radius-sm);transition:all var(--transition-base);background:#fef2f2;border:1px solid #fecaca;padding:8px 12px;font-size:12px}.card-footer-row{transition:all var(--transition-base);justify-content:space-between;align-items:center;gap:8px;margin-top:4px;display:flex}.hint{color:var(--on-surface-muted);background:var(--primary-container);border-radius:var(--radius-sm);border:1px solid var(--border-subtle);transition:all var(--transition-base);padding:8px 12px;font-size:12px}.loading-screen{justify-content:center;align-items:center;min-height:100vh;display:flex}@media (max-width:900px){.app-body{grid-template-columns:0 minmax(0,1fr)}.app-body:not(.sidebar-collapsed){grid-template-columns:70px minmax(0,1fr)}.sidebar{width:70px}.sidebar-header,.sidebar-meta{display:none}.sidebar-item{justify-content:center;padding:10px}.sidebar-icon{margin:0}.toolbar-actions{gap:6px}.main-content{padding:10px}.main-toolbar{padding:12px 16px}.main-toolbar h2{font-size:15px}.main-toolbar p{font-size:11px}}@media (max-width:640px){.login-card{padding:24px 20px 20px}.main-content{padding:8px}.card{padding:14px 12px 10px}.app-body:not(.sidebar-collapsed){grid-template-columns:70px minmax(0,1fr)}.sidebar{width:70px}.sidebar-item{justify-content:center;padding:10px}.sidebar-icon{width:36px;height:36px;font-size:18px}.sidebar-item{padding:12px 10px}.main-toolbar{padding:10px 12px}.main-toolbar h2{font-size:14px}.main-toolbar p{font-size:11px}.icon-button,.sidebar-toggle{width:32px;height:32px;font-size:14px}}