/* ===== Tampilan halaman login admin ===== */
body { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: linear-gradient(120deg, #6c63ff, #007bff); }
.login-box { width: 350px; padding: 32px 28px; border-radius: 18px; background: #fff; box-shadow: 0 6px 24px #6c63ff22; }
.login-title { margin-bottom: 18px; color: #6c63ff; text-align: center; font-weight: 700; }
.form-control { border-radius: 10px; }
.btn-primary { border: 0; background: linear-gradient(90deg, #6c63ff, #007bff); font-weight: 700; }
.error-msg { margin-top: 10px; color: #d32f2f; text-align: center; }