@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&display=swap');
* { box-sizing: border-box; margin: 0; padding: 0; font-family: 'DM Sans', sans-serif; }
body { background: linear-gradient(135deg, #F5F3FF 0%, #FBF8FF 100%); display: flex; align-items: center; justify-content: center; min-height: 100vh; color: #2C3E50; }
.login-box { background: #FFFFFF; padding: 40px; border-radius: 24px; box-shadow: 0 8px 30px rgba(107, 155, 209, 0.12); width: 100%; max-width: 400px; text-align: center; border: 1px solid rgba(107, 155, 209, 0.1); }
.login-box h2 { font-size: 22px; color: #6B9BD1; margin-bottom: 8px; font-weight: 700; }
.login-box p { font-size: 14px; color: #6B7280; margin-bottom: 24px; }
.form-group { margin-bottom: 20px; text-align: left; }
.form-group label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 8px; }
.form-control { width: 100%; padding: 14px; border-radius: 12px; border: 1px solid rgba(107, 155, 209, 0.2); font-size: 14px; background: #F8FAFC; transition: 0.3s; }
.form-control:focus { border-color: #6B9BD1; outline: none; background: #FFF; box-shadow: 0 0 0 3px rgba(107, 155, 209, 0.15); }
.btn-login { width: 100%; background: linear-gradient(135deg, #6B9BD1, #5BB3A0); color: #FFF; padding: 14px; border: none; border-radius: 12px; font-weight: 700; font-size: 15px; cursor: pointer; transition: 0.3s; box-shadow: 0 4px 15px rgba(91, 179, 160, 0.2); }
.btn-login:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(91, 179, 160, 0.4); }
.alert { background: #FEE2E2; color: #DC2626; padding: 12px; border-radius: 10px; font-size: 13px; margin-bottom: 20px; font-weight: 500; border-left: 4px solid #DC2626; text-align: left;}
.back-link { display: inline-block; margin-top: 20px; font-size: 13px; color: #6B9BD1; text-decoration: none; font-weight: 600; }