:root{--color-bg: #f1f5f9;--color-surface: #ffffff;--color-surface-2: #f8fafc;--color-border: #e2e8f0;--color-border-focus: #1e40af;--color-text: #0f172a;--color-text-muted: #475569;--color-text-hint: #94a3b8;--color-primary: #1e40af;--color-primary-hover: #1e3a8a;--color-primary-light: #eff6ff;--color-success: #047857;--color-success-hover: #065f46;--color-warning: #b45309;--color-warning-bg: #fef3c7;--color-danger: #b91c1c;--color-danger-hover: #991b1b;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 12px;--radius-full: 9999px;--shadow-sm: 0 1px 2px rgba(15, 23, 42, .04);--shadow-md: 0 4px 6px -1px rgba(15, 23, 42, .06), 0 2px 4px -2px rgba(15, 23, 42, .04);--shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, .06), 0 4px 6px -4px rgba(15, 23, 42, .04);--transition: .2s ease}*,*:before,*:after{box-sizing:border-box}body{margin:0;font-family:PingFang SC,Hiragino Sans GB,Microsoft YaHei,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--color-bg);color:var(--color-text);line-height:1.5;-webkit-font-smoothing:antialiased}.app{max-width:960px;margin:0 auto;padding:16px 16px 72px;min-height:100vh}.app-header{padding:20px 0 16px}.app-header-inner{display:flex;justify-content:space-between;align-items:center;width:100%;max-width:960px;margin:0 auto}.app-header h1{margin:0;font-size:1.5rem;font-weight:700;letter-spacing:-.02em;color:var(--color-text);display:inline-flex;align-items:center;gap:10px}.app-header h1:before{content:"";display:inline-block;width:28px;height:28px;background:var(--color-primary);border-radius:var(--radius-md);box-shadow:var(--shadow-md)}.guide-btn{padding:8px 16px;background:var(--color-primary);color:#fff;border:none;border-radius:var(--radius-md);font-size:13px;font-weight:500;cursor:pointer;box-shadow:var(--shadow-sm);transition:background var(--transition),box-shadow var(--transition)}.guide-btn:hover{background:var(--color-primary-hover);box-shadow:var(--shadow-md)}.guide-btn:active{transform:translateY(0)}.tabs{display:flex;margin:0 0 16px;background:var(--color-surface);border-radius:var(--radius-lg);padding:4px;box-shadow:var(--shadow-sm);border:1px solid var(--color-border)}.tab{flex:1;border:none;background:transparent;padding:10px 12px;border-radius:var(--radius-md);font-size:13px;font-weight:500;color:var(--color-text-muted);cursor:pointer;transition:color var(--transition),background var(--transition)}.tab:hover{color:var(--color-text);background:var(--color-surface-2)}.tab.active{background:var(--color-primary);color:#fff;box-shadow:var(--shadow-sm)}.app-main{margin-top:0}.panel{background:var(--color-surface);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-sm);border:1px solid var(--color-border);transition:box-shadow var(--transition)}.panel:hover{box-shadow:var(--shadow-md)}.panel h2{margin:0 0 8px;font-size:1.25rem;font-weight:600;color:var(--color-text);letter-spacing:-.01em}.panel h3{margin:0 0 12px;font-size:1rem;font-weight:600;color:var(--color-text)}.app-footer{position:fixed;left:0;right:0;bottom:0;text-align:center;padding:10px 16px;font-size:12px;color:var(--color-text-hint);background:#ffffffeb;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-top:1px solid var(--color-border)}.form{display:flex;flex-direction:column;gap:16px;margin-bottom:16px}.form-row{display:flex;flex-direction:column;gap:6px}.form-row label{font-size:13px;font-weight:500;color:var(--color-text-muted)}input,textarea{border-radius:var(--radius-sm);border:1px solid var(--color-border);padding:10px 12px;font-size:14px;outline:none;transition:border-color var(--transition),box-shadow var(--transition);background:var(--color-surface)}select{border-radius:var(--radius-sm);border:1px solid var(--color-border);padding:10px 12px;font-size:14px;background:var(--color-surface);cursor:pointer;transition:border-color var(--transition)}input:focus,textarea:focus,select:focus{border-color:var(--color-border-focus);box-shadow:0 0 0 3px #3b82f626}.primary-btn,.secondary-btn{border-radius:var(--radius-md);padding:10px 20px;font-size:14px;font-weight:500;border:none;cursor:pointer;transition:background var(--transition),color var(--transition),box-shadow var(--transition),border-color var(--transition)}.primary-btn{background:var(--color-success);color:#fff;box-shadow:var(--shadow-sm)}.primary-btn:hover{background:var(--color-success-hover);box-shadow:var(--shadow-md)}.primary-btn:active,.secondary-btn:active{opacity:.95}.secondary-btn{background:var(--color-surface-2);color:var(--color-text);border:1px solid var(--color-border)}.secondary-btn:hover{background:var(--color-border);border-color:var(--color-text-hint)}.list-header{display:flex;align-items:center;justify-content:space-between;margin-top:12px}.list{list-style:none;padding:0;margin:16px 0 0;display:flex;flex-direction:column;gap:10px}.card{background:var(--color-surface-2);border-radius:var(--radius-md);padding:14px 16px;display:flex;justify-content:space-between;gap:12px;border:1px solid var(--color-border);transition:border-color var(--transition),box-shadow var(--transition)}.card:hover{border-color:var(--color-border-focus);box-shadow:var(--shadow-sm)}.card-followup{border-color:var(--color-warning);border-left-width:3px;background:var(--color-surface-2);box-shadow:var(--shadow-sm)}.card-main{flex:1;min-width:0}.card-title{font-size:15px;font-weight:600;margin-bottom:4px;color:var(--color-text)}.card-meta{display:flex;flex-wrap:wrap;gap:8px;font-size:12px;color:var(--color-text-muted)}.tags{margin-top:8px;display:flex;flex-wrap:wrap;gap:6px}.tag{background:var(--color-primary-light);color:var(--color-primary);border-radius:var(--radius-sm);padding:3px 10px;font-size:11px;font-weight:500}.note{margin-top:6px;font-size:13px;color:var(--color-text-muted)}.followup-note{color:var(--color-warning);font-weight:500}.badge{font-size:11px;font-weight:500;padding:3px 8px;border-radius:var(--radius-full);background:var(--color-surface-2);color:var(--color-text-muted);border:1px solid var(--color-border)}.empty{text-align:center;font-size:14px;color:var(--color-text-hint);padding:32px 16px;background:var(--color-surface-2);border-radius:var(--radius-md);border:1px dashed var(--color-border)}.copy-content{margin:8px 0 0;padding:12px 14px;background:var(--color-surface);border-radius:var(--radius-sm);font-size:13px;white-space:pre-wrap;border:1px solid var(--color-border)}.card-actions{display:flex;align-items:center;gap:4px}.hint{font-size:13px;color:var(--color-text-muted);margin-top:0;line-height:1.5}.sub-hint{font-size:12px;color:var(--color-text-hint);margin:0}.filters{margin-top:12px;display:flex;flex-direction:column;gap:8px}.filter-actions{display:flex;flex-wrap:wrap;gap:8px}.upload-btn{position:relative;overflow:hidden}.filter-input{width:100%;border-radius:var(--radius-full);padding:10px 16px}.filter-tags{display:flex;flex-wrap:wrap;gap:8px}.tag-chip{border-radius:var(--radius-full);border:1px solid var(--color-border);padding:6px 14px;font-size:12px;background:var(--color-surface);color:var(--color-text);cursor:pointer;transition:background var(--transition),border-color var(--transition),color var(--transition)}.tag-chip:hover{background:var(--color-surface-2);border-color:var(--color-primary);color:var(--color-primary)}.tag-chip.active{background:var(--color-primary-light);border-color:var(--color-primary);color:var(--color-primary)}.filter-row{font-size:12px;color:var(--color-text-muted)}.checkbox{display:inline-flex;align-items:center;gap:6px;cursor:pointer;font-size:13px;color:var(--color-text-muted)}.dashboard-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:16px}.stat-card{background:var(--color-surface);border-radius:var(--radius-md);padding:16px;text-align:center;border:1px solid var(--color-border);box-shadow:var(--shadow-sm);transition:box-shadow var(--transition),transform .05s ease}.stat-card:hover{box-shadow:var(--shadow-md)}.stat-label{font-size:12px;font-weight:500;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.03em}.stat-value{font-size:1.75rem;font-weight:700;margin-top:6px;color:var(--color-text);letter-spacing:-.02em}.stat-value.highlight{color:var(--color-primary)}.stat-desc{margin-top:4px;font-size:11px;color:var(--color-text-hint)}.ai-panel{background:var(--color-primary-light);border:1px solid rgba(30,64,175,.15);border-radius:var(--radius-md);padding:16px;margin-top:16px;margin-bottom:16px}.ai-panel h3{margin:0 0 10px;font-size:15px;color:var(--color-text)}.ai-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}.link-btn{background:none;border:none;color:var(--color-primary);cursor:pointer;font-size:13px;font-weight:500;padding:0;transition:color var(--transition)}.link-btn:hover{color:var(--color-primary-hover);text-decoration:underline}.generated-image{margin-top:16px;text-align:center}.generated-image img{max-width:100%;border-radius:var(--radius-md);margin-bottom:10px;box-shadow:var(--shadow-md);border:1px solid var(--color-border)}.recharge-box{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:14px;margin-bottom:10px}.simple-ai-box{background:var(--color-primary-light);border:1px solid rgba(30,64,175,.15);border-radius:var(--radius-md);padding:14px;margin-top:10px}.toast-wrap{position:fixed;left:50%;transform:translate(-50%);bottom:88px;z-index:9999;pointer-events:none}.toast{padding:12px 20px;background:#1e293beb;color:#fff;border-radius:var(--radius-full);font-size:14px;font-weight:500;white-space:nowrap;opacity:0;transform:translateY(8px);transition:opacity .25s ease,transform .25s ease;box-shadow:var(--shadow-lg)}.toast.toast-visible{opacity:1;transform:translateY(0)}.banner{position:sticky;top:0;z-index:9998;padding:12px 20px;font-size:14px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;box-shadow:var(--shadow-sm)}.banner-warning{background:var(--color-warning);color:#fff}.banner-error{background:var(--color-danger);color:#fff;justify-content:center;text-align:center}.banner code{background:#0003;padding:3px 8px;border-radius:var(--radius-sm);font-size:12px}.banner-btn{padding:6px 14px;background:#ffffff40;border:1px solid rgba(255,255,255,.4);border-radius:var(--radius-sm);color:#fff;cursor:pointer;font-size:13px;font-weight:500;transition:background var(--transition)}.banner-btn:hover{background:#ffffff59}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--color-primary);padding:24px}.login-box{background:var(--color-surface);border-radius:var(--radius-lg);padding:32px;max-width:400px;width:100%;box-shadow:var(--shadow-lg);border:1px solid var(--color-border)}.login-box h2{margin:0 0 8px;text-align:center;font-size:1.35rem;font-weight:600;color:var(--color-text)}.login-desc{font-size:13px;color:var(--color-text-muted);text-align:center;margin-bottom:24px;line-height:1.5}.login-error{padding:12px 14px;background:#fef2f2;color:var(--color-danger);border-radius:var(--radius-sm);margin-bottom:16px;font-size:14px;border:1px solid #fecaca}.login-box .form-row{margin-bottom:12px}.login-box .form-row:last-of-type{margin-bottom:16px}.login-submit{width:100%;padding:12px;background:var(--color-primary);color:#fff;border:none;border-radius:var(--radius-md);font-size:16px;font-weight:500;cursor:pointer;box-shadow:var(--shadow-sm);transition:background var(--transition),opacity var(--transition)}.login-submit:hover:not(:disabled){background:var(--color-primary-hover);opacity:.98}.login-submit:disabled{opacity:.7;cursor:not-allowed}.login-switch{text-align:center;margin-top:20px;font-size:14px;color:var(--color-text-muted)}.login-switch button{background:none;border:none;color:var(--color-primary);cursor:pointer;font-weight:500;text-decoration:underline;padding:0;margin-left:4px}.login-switch button:hover{color:var(--color-primary-hover)}@media(max-width:768px){.app{padding:12px 12px 68px}.app-header{padding:16px 0 12px}.app-header h1{font-size:1.25rem}.app-header h1:before{width:24px;height:24px}.tabs{overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;padding:3px}.tabs::-webkit-scrollbar{display:none}.tab{min-width:72px;font-size:12px;padding:10px 8px;flex-shrink:0}.panel{padding:16px;border-radius:var(--radius-md)}.panel h2{font-size:1.1rem}.primary-btn,.secondary-btn{padding:12px 20px;font-size:15px;min-height:48px;touch-action:manipulation}input,textarea,select{font-size:16px;padding:12px}.dashboard-grid{grid-template-columns:1fr;gap:10px}.stat-value{font-size:1.5rem}}@media(min-width:769px){.app{padding:20px 24px 80px}.app-header h1{font-size:1.6rem}}