.btn-primary,.card-header{font-weight:600;color:#fff}.row.justify-content-center{display:flex;align-items:center;justify-content:center;padding:20px}.col-md-8{width:500px}.card{width:100%;max-width:440px;border:none;border-radius:16px;overflow:hidden;background:#fff;box-shadow:0 12px 24px rgba(0,0,0,.08),0 24px 48px rgba(0,0,0,.05)}.card-header{background:linear-gradient(135deg,#2563eb,#1e40af);font-size:20px;text-align:center;padding:20px;border:none}.card-body{padding:28px}.form-group.row{display:block;margin-bottom:18px}.col-md-4,.col-md-6,.offset-md-4{width:100%;max-width:100%;margin:0;text-align:left}.form-group label{font-size:14px;font-weight:500;color:#374151;margin-bottom:6px;display:block}.form-control{width:100%;padding:12px 14px;font-size:15px;border-radius:12px;border:1px solid #d1d5db;transition:.25s}.form-control:focus{border-color:#2563eb;box-shadow:0 0 0 4px rgba(37,99,235,.15);outline:0}.btn-primary{width:100%;padding:14px;border-radius:14px;background:linear-gradient(135deg,#2563eb,#1d4ed8);border:none;font-size:15px;transition:.3s}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(37,99,235,.35)}.btn-primary:active{transform:scale(.98)}.invalid-feedback{display:block;margin-top:10px;padding:12px 14px;border-radius:12px;background:linear-gradient(135deg,#fee2e2,#fecaca);border:1px solid #fca5a5;color:#991b1b;font-size:14px;font-weight:500;box-shadow:0 6px 14px rgba(220,38,38,.15);animation:.25s fadeSlide}.invalid-feedback strong{display:flex;align-items:center;gap:8px}.invalid-feedback strong::before{content:"⚠️";font-size:16px}@keyframes fadeSlide{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.alert.alert-success{max-width:620px;margin:20px auto;padding:16px 18px 16px 52px;border-radius:12px;background:linear-gradient(135deg,#ecfdf3,#f0fdf4);border:1px solid #bbf7d0;color:#065f46;font-size:15px;font-weight:500;line-height:1.5;position:relative;box-shadow:0 8px 20px rgba(16,185,129,.12);animation:.4s alertFadeIn}.alert.alert-success::before{content:"✔";position:absolute;left:16px;top:50%;transform:translateY(-50%);width:28px;height:28px;border-radius:50%;background:#dcfce7;color:#16a34a;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700}@keyframes alertFadeIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}@media(max-width:480px){.card-header{font-size:18px}.alert.alert-success{font-size:14px;padding:14px 14px 14px 48px;border-radius:10px}}