:root{--primary: #16c79a;--primary-hover: #19d3ae;--background: #1a1a2e;--surface: #16213e;--text: #eee;--text-secondary: #aaa;--error: #f07167;--success: #06ffa5;--font-family: "Inter", system-ui, Avenir, Helvetica, Arial, sans-serif}body{margin:0;padding:0;font-family:var(--font-family);background-color:var(--background);color:var(--text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}a{color:var(--primary);text-decoration:none;transition:color .2s}a:hover{color:var(--primary-hover)}button{cursor:pointer;border:none;outline:none;font-family:inherit}.container{max-width:1200px;margin:0 auto;padding:2rem}.card{background-color:var(--surface);border-radius:12px;padding:2rem;box-shadow:0 4px 6px #0000001a}.btn{background-color:var(--primary);color:#fff;padding:.75rem 1.5rem;border-radius:8px;font-weight:600;transition:transform .1s,background-color .2s}.btn:hover{background-color:var(--primary-hover);transform:translateY(-1px)}.btn:active{transform:translateY(0)}input{background-color:var(--background);border:1px solid #333;color:var(--text);padding:.75rem;border-radius:8px;width:100%;margin-bottom:1rem;font-size:1rem}input:focus{border-color:var(--primary);outline:none}h1,h2,h3{margin-top:0}