*{margin:0;padding:0;box-sizing:border-box}
:root{--bg:#F0F2F5;--card:#FFFFFF;--primary:#059669;--primary-dark:#047857;--text:#1a1a2e;--muted:#6B7280;--border:#E5E7EB;--danger:#EF4444}
body{font-family:'Plus Jakarta Sans',system-ui,-apple-system,sans-serif;background:linear-gradient(135deg,#059669 0%,#0D9488 50%,#0891B2 100%);min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}
.auth-container{width:100%;max-width:440px}
.auth-card{background:var(--card);border-radius:24px;padding:40px;box-shadow:0 20px 60px rgba(0,0,0,0.15)}
.auth-header{text-align:center;margin-bottom:32px}
.auth-header svg{margin-bottom:12px}
.auth-header h1{font-size:24px;font-weight:800;margin-bottom:4px}
.auth-header p{color:var(--muted);font-size:14px}
.auth-form .form-group{margin-bottom:20px}
.auth-form label{display:block;font-size:13px;font-weight:700;margin-bottom:6px;color:var(--text)}
.auth-form input{width:100%;padding:12px 16px;border:2px solid var(--border);border-radius:12px;font-size:15px;outline:none;transition:border-color .2s;font-family:inherit}
.auth-form input:focus{border-color:var(--primary)}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 24px;border-radius:12px;font-size:15px;font-weight:700;cursor:pointer;border:none;text-decoration:none;transition:all .2s}
.btn-primary{background:linear-gradient(135deg,#059669 0%,#0D9488 100%);color:#fff;box-shadow:0 4px 14px rgba(5,150,105,0.3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(5,150,105,0.4)}
.btn-block{width:100%}
.alert{padding:12px 16px;border-radius:12px;margin-bottom:20px;font-size:14px;font-weight:600}
.alert-error{background:rgba(239,68,68,0.1);color:var(--danger);border:1px solid rgba(239,68,68,0.2)}
.alert-success{background:rgba(5,150,105,0.1);color:var(--primary);border:1px solid rgba(5,150,105,0.2)}
.auth-footer{text-align:center;margin-top:24px;padding-top:20px;border-top:1px solid var(--border)}
.auth-footer p{font-size:13px;color:var(--muted);margin-bottom:4px}
.auth-footer a{color:var(--primary);text-decoration:none;font-weight:600}
.auth-footer a:hover{text-decoration:underline}