:root{--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;--text-xs: 12px;--text-sm: 13px;--text-md: 14px;--text-lg: 16px;--text-xl: 20px;--text-2xl: 24px;--color-bg: #f5f6f8;--color-surface: #ffffff;--color-border: #e4e7ec;--color-border-strong: #cbd2dc;--color-text: #1b2430;--color-text-muted: #5c6b7f;--color-primary: #2f6beb;--color-primary-hover: #2456c4;--color-primary-soft: #e9f0fe;--color-danger: #d03c40;--color-danger-soft: #fdeeee;--color-success: #1e8a4e;--color-success-soft: #e7f6ed;--color-warning: #b26b0f;--color-warning-soft: #fdf3e2;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--shadow-sm: 0 1px 2px rgba(16, 24, 40, .06);--shadow-md: 0 6px 20px rgba(16, 24, 40, .1);--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 24px;--space-6: 32px;--space-7: 48px;--topbar-height: 56px;--sidebar-width: 220px;--transition-fast: .12s ease}*,*:before,*:after{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:var(--font-sans);font-size:var(--text-md);color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased}h1,h2,h3,p{margin:0}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}.muted{color:var(--color-text-muted);font-size:var(--text-sm)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:8px 14px;border:1px solid transparent;border-radius:var(--radius-sm);font:inherit;font-weight:600;cursor:pointer;background:none;color:inherit;transition:background var(--transition-fast),border-color var(--transition-fast);text-decoration:none}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--color-primary-hover);text-decoration:none}.btn-ghost{color:var(--color-text)}.btn-ghost:hover:not(:disabled){background:var(--color-primary-soft)}.btn-block{width:100%}.stack{display:flex;flex-direction:column;gap:var(--space-4)}.field{display:flex;flex-direction:column;gap:var(--space-1)}.field-label{font-size:var(--text-sm);font-weight:600}.input{padding:9px 12px;font:inherit;color:inherit;border:1px solid var(--color-border-strong);border-radius:var(--radius-sm);background:var(--color-surface);transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-soft)}.input-error{border-color:var(--color-danger)}.field-hint{font-size:var(--text-xs);color:var(--color-text-muted)}.field-error{font-size:var(--text-xs);color:var(--color-danger)}.error-banner{padding:var(--space-3) var(--space-4);border:1px solid var(--color-danger);border-radius:var(--radius-sm);background:var(--color-danger-soft);color:var(--color-danger);font-size:var(--text-sm)}.lang-select{padding:6px 8px;font:inherit;font-size:var(--text-sm);color:inherit;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface)}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}.auth-page{min-height:100%;display:flex;align-items:center;justify-content:center;padding:var(--space-5);position:relative}.auth-lang{position:absolute;top:var(--space-4);right:var(--space-4)}.auth-card{width:100%;max-width:400px;padding:var(--space-6);display:flex;flex-direction:column;gap:var(--space-4)}.auth-logo{font-size:var(--text-lg);font-weight:800;letter-spacing:-.02em;color:var(--color-primary)}.auth-title{font-size:var(--text-2xl);font-weight:700}.auth-alt{text-align:center}.full-page-center{min-height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-3);padding:var(--space-6);text-align:center}.spinner{width:28px;height:28px;border:3px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.app-shell{min-height:100%;display:flex;flex-direction:column}.topbar{height:var(--topbar-height);flex:0 0 auto;display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);padding:0 var(--space-4);background:var(--color-surface);border-bottom:1px solid var(--color-border);position:sticky;top:0;z-index:20}.topbar-left,.topbar-right{display:flex;align-items:center;gap:var(--space-3)}.logo{font-size:var(--text-lg);font-weight:800;letter-spacing:-.02em;color:var(--color-primary)}.logo:hover{text-decoration:none}.app-body{flex:1;display:flex;min-height:0}.sidebar{width:var(--sidebar-width);flex:0 0 auto;padding:var(--space-4) var(--space-3);display:flex;flex-direction:column;gap:var(--space-1);border-right:1px solid var(--color-border);background:var(--color-surface)}.nav-link{display:block;padding:8px 12px;border-radius:var(--radius-sm);color:var(--color-text-muted);font-weight:500;transition:background var(--transition-fast),color var(--transition-fast)}.nav-link:hover{background:var(--color-bg);color:var(--color-text);text-decoration:none}.nav-link-active,.nav-link-active:hover{background:var(--color-primary-soft);color:var(--color-primary);font-weight:600}.content{flex:1;min-width:0;padding:var(--space-6)}.dropdown{position:relative}.dropdown-menu{position:absolute;top:calc(100% + 6px);left:0;min-width:220px;padding:var(--space-2);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-md);z-index:30;display:flex;flex-direction:column}.dropdown-menu-right{left:auto;right:0}.menu-item{display:flex;flex-direction:column;align-items:flex-start;gap:2px;width:100%;padding:8px 10px;border:0;border-radius:var(--radius-sm);background:none;font:inherit;color:inherit;text-align:left;cursor:pointer}.menu-item:hover{background:var(--color-bg)}.menu-item-active{background:var(--color-primary-soft)}.menu-item-label{font-weight:600}.menu-item-sub{font-size:var(--text-xs);color:var(--color-text-muted)}.menu-item-danger{color:var(--color-danger)}.menu-header{padding:8px 10px;display:flex;flex-direction:column;gap:2px}.menu-divider{height:1px;margin:var(--space-1) 0;background:var(--color-border)}.org-switcher-trigger{font-weight:600;border:1px solid var(--color-border)}.org-switcher-name{max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chevron{font-size:10px;color:var(--color-text-muted)}.user-menu-trigger{padding:4px;border-radius:50%}.avatar{width:32px;height:32px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;background:var(--color-primary);color:#fff;font-weight:700;font-size:var(--text-sm)}.page{display:flex;flex-direction:column;gap:var(--space-5);max-width:1040px}.page-header{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--space-4);flex-wrap:wrap}.page-title{font-size:var(--text-2xl);font-weight:700;margin-bottom:var(--space-1)}.plan-summary{display:flex;align-items:center;gap:var(--space-2);flex-wrap:wrap}.plan-badge{display:inline-flex;align-items:center;padding:2px 10px;border-radius:999px;font-size:var(--text-xs);font-weight:700;text-transform:uppercase;letter-spacing:.04em}.plan-badge-free{background:var(--color-bg);color:var(--color-text-muted);border:1px solid var(--color-border-strong)}.plan-badge-plus{background:var(--color-primary-soft);color:var(--color-primary)}.plan-badge-pro{background:var(--color-success-soft);color:var(--color-success)}.cards-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:var(--space-4)}.stat-card{padding:var(--space-4) var(--space-5);display:flex;flex-direction:column;gap:var(--space-2)}.stat-label{font-size:var(--text-sm);color:var(--color-text-muted);font-weight:600}.stat-value{font-size:28px;font-weight:700}.empty-state{display:flex;flex-direction:column;align-items:center;gap:var(--space-3);padding:var(--space-7) var(--space-5);text-align:center}.empty-state-icon{width:56px;height:56px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-lg);background:var(--color-primary-soft);color:var(--color-primary);font-size:var(--text-2xl)}.empty-state-title{font-size:var(--text-xl);font-weight:700}.badge{display:inline-flex;padding:2px 10px;border-radius:999px;background:var(--color-warning-soft);color:var(--color-warning);font-size:var(--text-xs);font-weight:700}@media(max-width:720px){.sidebar{display:none}.content{padding:var(--space-4)}}