body {
    background-color: #f8f9fa;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.login-container {
    max-width: 450px;
    width: 100%;
    padding: 15px;
}

.login-card {
    background: white;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    border: 1px solid #dee2e6;
}

.login-header {
    background-color: #556B2F;
    color: white;
    padding: 40px 30px 30px;
    text-align: center;
}

.login-header h1 {
    margin: 0 0 5px;
    font-size: 28px;
    font-weight: 600;
}

.login-header i {
    font-size: 56px;
    margin-bottom: 15px;
    opacity: 0.95;
}

.login-header p {
    margin: 0;
    font-size: 16px;
    opacity: 0.9;
}

.login-logo {
    max-height: 72px;
    margin-bottom: 15px;
}

.login-body {
    padding: 35px 30px;
}

.form-label {
    font-weight: 600;
    color: #495057;
    margin-bottom: 8px;
}

.form-control {
    border-radius: 6px;
    border: 1px solid #ced4da;
    padding: 12px 16px;
    font-size: 15px;
}

.form-control:focus {
    border-color: #6B8E23;
    box-shadow: 0 0 0 0.25rem rgba(107, 142, 35, 0.25);
}

.btn-login {
    background-color: #556B2F;
    border: none;
    padding: 12px;
    font-weight: 600;
    font-size: 16px;
    border-radius: 6px;
    transition: background-color 0.2s;
}

.btn-login:hover {
    background-color: #4B5320;
}

.alert {
    border-radius: 6px;
    font-size: 14px;
}

.form-check-input:checked {
    background-color: #556B2F;
    border-color: #556B2F;
}

.login-remember {
    display: flex;
    align-items: center;
    padding-left: 0;
}

.login-remember label {
    display: flex;
    align-items: center;
    gap: 8px;
}

.login-remember input[type="checkbox"] {
    margin-left: 0;
    margin-top: 0;
    float: none;
    cursor: pointer;
}

.form-check-label {
    color: #6c757d;
    font-size: 14px;
    margin-bottom: 0;
    cursor: pointer;
}

.form-check-input {
    cursor: pointer;
}

.login-footer {
    text-align: center;
    margin-top: 20px;
    color: #6c757d;
    font-size: 14px;
}