:root{--color-bg: #F6F7F9;--color-surface: #FFFFFF;--color-border: #E5E7EB;--color-text-primary: #111827;--color-text-secondary: #6B7280;--color-accent: #2563EB;--color-accent-hover: #1D4ED8;--color-accent-light: #EFF6FF;--color-success: #16A34A;--color-warning: #D97706;--color-danger: #DC2626;--color-neutral: #6B7280;--font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--shadow-sm: 0 1px 2px rgba(0,0,0,.05);--shadow-md: 0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -2px rgba(0,0,0,.1);--shadow-lg: 0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -4px rgba(0,0,0,.1)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);font-size:14px;font-weight:400;line-height:1.5;color:var(--color-text-primary);background:var(--color-bg);-webkit-font-smoothing:antialiased}a{color:var(--color-accent);text-decoration:none}a:hover{color:var(--color-accent-hover)}h1{font-size:24px;font-weight:700;margin-bottom:16px}h2{font-size:20px;font-weight:700;margin-bottom:12px}h3{font-size:16px;font-weight:600;margin-bottom:8px}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:20px;box-shadow:var(--shadow-sm)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;font-size:14px;font-weight:500;border:none;border-radius:var(--radius-md);cursor:pointer;transition:all .15s ease;line-height:1.4}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--color-accent);color:#fff}.btn-primary:hover:not(:disabled){background:var(--color-accent-hover)}.btn-secondary{background:var(--color-surface);color:var(--color-text-primary);border:1px solid var(--color-border)}.btn-secondary:hover:not(:disabled){background:var(--color-bg)}.btn-danger{background:var(--color-danger);color:#fff}.btn-danger:hover:not(:disabled){background:#b91c1c}.btn-sm{padding:6px 12px;font-size:12px}.btn-full{width:100%}.input{width:100%;padding:10px 12px;font-size:14px;font-family:var(--font-family);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface);color:var(--color-text-primary);transition:border-color .15s;outline:none}.input:focus{border-color:var(--color-accent);box-shadow:0 0 0 3px var(--color-accent-light)}.input::placeholder{color:var(--color-text-secondary)}.input[readonly]{background:var(--color-bg);cursor:default}.select{width:100%;padding:10px 36px 10px 12px;font-size:14px;font-family:var(--font-family);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface);color:var(--color-text-primary);cursor:pointer;outline:none;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%236B7280' viewBox='0 0 16 16'%3E%3Cpath d='M4.5 6l3.5 4 3.5-4z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center}.select:focus{border-color:var(--color-accent)}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:13px;font-weight:500;margin-bottom:6px;color:var(--color-text-primary)}.badge{display:inline-flex;align-items:center;padding:2px 8px;font-size:12px;font-weight:500;border-radius:var(--radius-sm)}.badge-success{background:#dcfce7;color:var(--color-success)}.badge-warning{background:#fef3c7;color:var(--color-warning)}.badge-danger{background:#fee2e2;color:var(--color-danger)}.badge-neutral{background:var(--color-bg);color:var(--color-neutral)}.toast{position:fixed;top:20px;right:20px;padding:12px 20px;border-radius:var(--radius-md);font-size:14px;font-weight:500;z-index:9999;animation:slideIn .3s ease;max-width:360px}.toast-info{background:var(--color-accent-light);color:var(--color-accent);border:1px solid var(--color-accent)}.toast-warning{background:#fef3c7;color:var(--color-warning);border:1px solid var(--color-warning)}.toast-error{background:#fee2e2;color:var(--color-danger);border:1px solid var(--color-danger)}.toast-success{background:#dcfce7;color:var(--color-success);border:1px solid var(--color-success)}@keyframes slideIn{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.divider{height:1px;background:var(--color-border);margin:16px 0}.empty-state{text-align:center;padding:40px 20px;color:var(--color-text-secondary)}.tabs{display:flex;gap:4px;margin-bottom:20px;border-bottom:1px solid var(--color-border);padding-bottom:0}.tab{padding:10px 16px;font-size:14px;font-weight:500;color:var(--color-text-secondary);cursor:pointer;border:none;background:none;border-bottom:2px solid transparent;transition:all .15s}.tab:hover{color:var(--color-text-primary)}.tab.active{color:var(--color-accent);border-bottom-color:var(--color-accent)}@media (max-width: 768px){.grid-4{grid-template-columns:1fr 1fr}.hide-mobile{display:none!important}}@media (max-width: 480px){.grid-2,.grid-4{grid-template-columns:1fr}}@media (max-width: 480px){body{font-size:14px}.btn{min-height:44px;font-size:15px}.btn-sm{min-height:36px}.card{padding:14px}.tabs{overflow-x:auto;-webkit-overflow-scrolling:touch}.tab{padding:8px 12px;font-size:13px;white-space:nowrap}.toast{left:12px;right:12px;max-width:none;top:auto;bottom:80px}}@media (max-width: 768px){.input,.select{font-size:16px}}