body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    background: linear-gradient(135deg, #546D46, #E46713);
    font-family: 'Segoe UI', sans-serif;
    display: flex;
    align-items: center;
    justify-content: center;
}
.login-card {
    background: rgba(255, 255, 255, 0.97);
    border-radius: 16px;
    box-shadow: 0 12px 40px rgba(0,0,0,0.25);
    width: 100%;
    max-width: 420px;
    padding: 40px 30px;
    text-align: center;
}
.logo {
    width: 140px;
    height: auto;
    margin-bottom: 20px;
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.2));
}
h2 {
    color: #1a1a1a;
    font-weight: 800;
    margin-bottom: 8px;
    font-size: 1.8rem;
}
.subtitle {
    color: #555;
    font-size: 1.1rem;
    margin-bottom: 30px;
}
.page-title {
    color: #1a1a1a;
    font-weight: 700;
    font-size: 1.5rem;
    margin-bottom: 12px;
}
.form-control {
    border-radius: 10px;
    padding: 12px 16px;
    font-size: 1rem;
    border: 1.5px solid #ddd;
}
.form-control:focus {
    border-color: #E46713;
    box-shadow: 0 0 0 0.2rem rgba(228,103,19,0.25);
}
.btn-login {
    background: linear-gradient(135deg, #E46713, #d35400);
    border: none;
    border-radius: 10px;
    padding: 14px;
    font-weight: bold;
    font-size: 1.1rem;
    transition: all 0.3s;
}
.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(228,103,19,0.4);
}
.btn-back {
    background: transparent;
    color: #E46713;
    border: 2px solid #E46713;
    margin-top: 20px;
    border-radius: 10px;
    padding: 14px;
    font-weight: bold;
}
.btn-back:hover {
    background: #E46713;
    color: white;
}
.alert {
    border-radius: 10px;
    font-size: 0.95rem;
}

.toast-custom {
    border-radius: 12px;
    padding: 15px 20px;
    font-size: 0.95rem;
    color: white;
    opacity: 0.95;
}
.toast-success {
    background: linear-gradient(135deg, #4CAF50, #2E7D32);
}
.toast-error {
    background: linear-gradient(135deg, #D32F2F, #B71C1C);
}