:root{--primary: #FF6A00;--dark: #1C1C1C;--gray: #5F5F5F;--background: #F5F5F5;--success: #2ECC71;--danger: #E74C3C}body{margin:0;font-family:Segoe UI,Roboto,sans-serif;background-color:var(--background);color:var(--dark)}button{cursor:pointer;border:none;padding:8px 14px;border-radius:6px;font-weight:600}.btn-primary{background-color:var(--primary);color:#fff}.btn-danger{background-color:var(--danger);color:#fff}.btn-disabled{background-color:#ccc;cursor:not-allowed}.card{background:#fff;border-radius:8px;padding:16px;box-shadow:0 4px 8px #0000000d}body{margin:0}.content{padding-top:24px}