:root{--color-primary: #2ECC71;--color-primary-dark: #27ae60;--color-secondary: #3498DB;--color-warning: #F1C40F;--color-danger: #E74C3C;--color-text: #2C3E50;--color-bg: #FFFFFF;--color-input-bg: #ECF0F1;--color-gray-light: #BDC3C7;--radius-md: 6px;--shadow-sm: 0 1px 3px rgba(0,0,0,.12), 0 1px 2px rgba(0,0,0,.24);--shadow-long: 1px 1px 0px rgba(0,0,0,.1), 2px 2px 0px rgba(0,0,0,.1), 3px 3px 0px rgba(0,0,0,.1);--font-sans: "Inter", system-ui, Avenir, Helvetica, Arial, sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--color-input-bg);color:var(--color-text);line-height:1.5;-webkit-font-smoothing:antialiased}button{cursor:pointer;border:none;font-family:inherit;font-weight:600;transition:all .2s}h1,h2,h3,h4,h5,h6{font-weight:700;margin-bottom:.5em;color:var(--color-text)}.btn{padding:.75rem 1.5rem;border-radius:var(--radius-md);display:inline-flex;align-items:center;gap:.5rem;font-size:1rem;text-decoration:none}.btn-primary{background-color:var(--color-primary);color:#fff;border-bottom:3px solid var(--color-primary-dark)}.btn-primary:active{transform:translateY(2px);border-bottom-width:0;margin-top:3px}.btn-danger{background-color:var(--color-danger);color:#fff}.card{background:#fff;padding:2rem;border-radius:var(--radius-md);box-shadow:var(--shadow-sm)}.input{width:100%;padding:.75rem;background-color:var(--color-input-bg);border:2px solid transparent;border-radius:var(--radius-md);font-size:1rem;color:var(--color-text);transition:border-color .2s}.input:focus{outline:none;background-color:#fff;border-color:var(--color-secondary)}.label{display:block;margin-bottom:.5rem;font-weight:600;color:var(--color-text)}