/* ফাইল: /assets/css/bf_style.css */
.bf-wrapper {
    font-family: 'Segoe UI', Arial, sans-serif;
    background-color: #f4f7f6;
    color: #333;
    margin: 0;
    padding: 20px;
    min-height: 100vh;
}
.bf-container {
    background-color: #ffffff;
    max-width: 700px;
    margin: 0 auto;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    border-top: 5px solid #0056b3; /* SBI Blue */
}
.bf-container h2 {
    color: #0056b3;
    text-align: center;
    margin-bottom: 5px;
}
.bf-container p.subtitle {
    text-align: center;
    color: #666;
    font-size: 14px;
    margin-bottom: 20px;
}
.bf-form-group {
    margin-bottom: 15px;
}
.bf-form-group label {
    display: block;
    font-weight: bold;
    margin-bottom: 5px;
    color: #444;
}
.bf-form-control {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 16px;
    box-sizing: border-box;
    transition: 0.3s;
}
.bf-form-control:focus {
    border-color: #0056b3;
    outline: none;
    box-shadow: 0 0 5px rgba(0,86,179,0.3);
}
.bf-btn {
    background-color: #0056b3;
    color: white;
    border: none;
    padding: 12px 20px;
    font-size: 16px;
    border-radius: 4px;
    cursor: pointer;
    width: 100%;
    font-weight: bold;
    transition: 0.3s;
}
.bf-btn:hover { background-color: #004494; }
.bf-btn:disabled { background-color: #999; cursor: not-allowed; }
.bf-security-badge {
    text-align: center;
    font-size: 12px;
    color: #28a745;
    margin-top: 15px;
    font-weight: bold;
}
.bf-error { border-color: #dc3545 !important; }