:root{--bg-color:#e0e5ec;--text-color:#333;--text-muted:#8b8b8b;--accent-color:#007bff;--shadow-light:#fff;--shadow-dark:#a3b1c6;--neumorphic-out:9px 9px 16px var(--shadow-dark), -9px -9px 16px var(--shadow-light);--neumorphic-in:inset 6px 6px 10px var(--shadow-dark), inset -6px -6px 10px var(--shadow-light);--neumorphic-hover:12px 12px 20px var(--shadow-dark), -12px -12px 20px var(--shadow-light);--radius-small:8px;--radius-medium:15px;--radius-large:25px}*{box-sizing:border-box;margin:0;padding:0;font-family:Segoe UI,Roboto,Helvetica,Arial,sans-serif}body{background-color:var(--bg-color);color:var(--text-color);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;flex-direction:column;min-height:100vh;display:flex}.neu-card{background-color:var(--bg-color);border-radius:var(--radius-medium);box-shadow:var(--neumorphic-out);padding:25px}.neu-input{background-color:var(--bg-color);border-radius:var(--radius-small);box-shadow:var(--neumorphic-in);color:var(--text-color);border:none;outline:none;width:100%;padding:14px 18px;font-size:1rem;transition:all .2s ease-in-out}.neu-input::placeholder{color:var(--text-muted)}.neu-input:focus{box-shadow:inset 8px 8px 14px var(--shadow-dark), inset -8px -8px 14px var(--shadow-light)}.neu-btn{background-color:var(--bg-color);border-radius:var(--radius-small);box-shadow:var(--neumorphic-out);color:var(--text-color);cursor:pointer;border:none;width:100%;padding:14px 24px;font-size:1rem;font-weight:600;transition:all .2s ease-in-out}.neu-btn:hover{box-shadow:var(--neumorphic-hover)}.neu-btn:active{box-shadow:var(--neumorphic-in)}.auth-container{justify-content:center;align-items:center;min-height:100vh;padding:20px;display:flex}.auth-box{text-align:center;width:100%;max-width:400px}.auth-box h2{color:var(--text-color);margin-bottom:30px}.input-group{text-align:left;margin-bottom:20px}